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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC vs.
Revision 1.565 by root, Sat Apr 30 05:41:17 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	#
…		…
1211	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1212	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1213	# ?random/... random maps	1956	# ?random/... random maps
1214	# /... normal maps	1957	# /... normal maps
1215	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1216		1960
1217	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1218		1962
1219	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1220	# something that looks reasonable	1964	# something that looks reasonable
1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1223		1967
1224	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1225	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1226	}	1984	}
1227		1985
1228	for ($path) {	1986	for ($path) {
1229	redo if s{//}{/};
1230	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1231	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1232	}	1989	}
1233		1990
1234	$path	1991	$path
…		…
1248	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1249	return $self;	2006	return $self;
1250	}	2007	}
1251	}	2008	}
1252		2009
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1254	()	2011	()
1255	}	2012	}
1256		2013
		2014	# may re-bless or do other evil things
1257	sub init {	2015	sub init {
1258	my ($self) = @_;	2016	my ($self) = @_;
1259		2017
1260	$self	2018	$self
1261	}	2019	}
…		…
1273		2031
1274	# the original (read-only) location	2032	# the original (read-only) location
1275	sub load_path {	2033	sub load_path {
1276	my ($self) = @_;	2034	my ($self) = @_;
1277		2035
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2036	"$MAPDIR/$self->{path}.map"
1279	}	2037	}
1280		2038
1281	# the temporary/swap location	2039	# the temporary/swap location
1282	sub save_path {	2040	sub save_path {
1283	my ($self) = @_;	2041	my ($self) = @_;
1284		2042
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2044	"$TMPDIR/$path.map"
1287	}	2045	}
1288		2046
1289	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1290	sub uniq_path {	2048	sub uniq_path {
1291	my ($self) = @_;	2049	my ($self) = @_;
1292		2050
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2052	"$UNIQUEDIR/$path"
1295	}	2053	}
1296		2054
1297	# and all this just because we cannot iterate over	2055	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	2056	my ($self) = @_;
1301		2057
1302	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1304	}	2061	}
1305		2062
1306	sub unlink_save {	2063	sub unlink_save {
1307	my ($self) = @_;	2064	my ($self) = @_;
1308		2065
1309	utf8::encode (my $save = $self->save_path);	2066	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2067	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2068	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	}	2069	}
1318		2070
1319	sub load_header_from($) {	2071	sub load_header_from($) {
1320	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1321		2073
1322	utf8::encode $path;	2074	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2076	or return;
		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
1328		2083
1329	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1330		2085
1331	1	2086	1
1332	}	2087	}
…		…
1371	$self->load_header_orig	2126	$self->load_header_orig
1372	or return;	2127	or return;
1373	$self->prepare_orig;	2128	$self->prepare_orig;
1374	}	2129	}
1375		2130
		2131	$self->{deny_reset} = 1
		2132	if $self->no_reset;
		2133
		2134	$self->default_region (cf::region::find_by_path $self->{path})
		2135	unless $self->default_region;
		2136
1376	1	2137	1
1377	}	2138	}
1378		2139
1379	sub find;	2140	sub find;
1380	sub find {	2141	sub find {
1381	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1382		2143
		2144	cf::cede_to_tick;
		2145
1383	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1384		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2150
1387	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1390	or return;	2153	or return;
1391		2154
1392	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1393		2156
1394	$map->load_header	2157	$map->load_header
1395	or return;	2158	or return;
1396		2159
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1400	$map->reset;	2165	$map->reset;
1401	undef $guard;
1402	return find $path;	2166	return find $path;
1403	}	2167	}
1404		2168
1405	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1406	}	2170	}
1407	}	2171	}
1408		2172
1409	sub pre_load { }	2173	sub pre_load { }
1410	sub post_load { }	2174	#sub post_load { } # XS
1411		2175
1412	sub load {	2176	sub load {
1413	my ($self) = @_;	2177	my ($self) = @_;
1414		2178
1415	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
1416		2180
1417	my $path = $self->{path};	2181	my $path = $self->{path};
		2182
		2183	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1419		2185
		2186	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2188
1422	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1423		2190
1424	$self->alloc;	2191	$self->alloc;
1425		2192
1426	$self->pre_load;	2193	$self->pre_load;
		2194	cf::cede_to_tick;
1427		2195
1428	$self->_load_objects ($self->{load_path}, 1)	2196	if (exists $self->{load_path}) {
		2197	my $f = new_from_file cf::object::thawer $self->{load_path};
		2198	$f->skip_block;
		2199	$self->_load_objects ($f)
1429	or return;	2200	or return;
1430		2201
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1432	if delete $self->{load_original};	2203	if delete $self->{load_original};
1433		2204
1434	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2206	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2209	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1439	}	2214	}
1440	}
1441		2215
1442	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
1443		2218
		2219	cf::cede_to_tick;
1444	# now do the right thing for maps	2220	# now do the right thing for maps
1445	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1446
1447	unless ($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)	2222	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2223	unless $self->difficulty;
1455	Coro::cede;	2224	cf::cede_to_tick;
		2225
		2226	unless ($self->{deny_activate}) {
		2227	$self->decay_objects;
		2228	$self->fix_auto_apply;
		2229	$self->update_buttons;
		2230	cf::cede_to_tick;
1456	$self->activate;	2231	$self->activate;
		2232	}
		2233
		2234	$self->{last_save} = $cf::RUNTIME;
		2235	$self->last_access ($cf::RUNTIME);
		2236
		2237	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2238	}
1458		2239
1459	$self->post_load;	2240	$self->post_load;
1460		2241
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2242	1
1462	}	2243	}
1463		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2248	sub customise_for {
1465	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1466		2250
1467	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2252	if $self->per_player;
1469		2253
		2254	# return find "?party/" . $ob->name . "/" . $self->{path}
		2255	# if $self->per_party;
		2256
1470	$self	2257	$self
1471	}	2258	}
1472		2259
1473	# find and load all maps in the 3x3 area around a map	2260	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2261	sub load_neighbours {
1475	my ($map) = @_;	2262	my ($map) = @_;
1476		2263
1477	my @diag; # diagonal neighbours	2264	my @neigh; # diagonal neighbours
1478		2265
1479	for (0 .. 3) {	2266	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2267	my $neigh = $map->tile_path ($_)
1481	or next;	2268	or next;
1482	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1483	or next;	2270	or next;
1484	$neigh->load;	2271	$neigh->load;
1485		2272
		2273	# now find the diagonal neighbours
		2274	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2277	}
1489		2278
1490	for (@diag) {	2279	for (grep defined $_->[0], @neigh) {
		2280	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2281	my $neigh = find $path, $origin
1492	or next;	2282	or next;
1493	$neigh->load;	2283	$neigh->load;
1494	}	2284	}
1495	}	2285	}
1496		2286
1497	sub find_sync {	2287	sub find_sync {
1498	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1499		2289
1500	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
1501	}	2294	}
1502		2295
1503	sub do_load_sync {	2296	sub do_load_sync {
1504	my ($map) = @_;	2297	my ($map) = @_;
1505		2298
1506	cf::sync_job { $map->load };	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2300	if $Coro::current == $Coro::main;
		2301
		2302	$map->load;
1507	}	2303	}
1508		2304
1509	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
1511		2307
1512	sub find_async {	2308	sub find_async {
1513	my ($path, $origin) = @_;	2309	my ($path, $origin, $load) = @_;
1514		2310
1515	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
1516		2312
1517	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2315	}
1520		2316
1521	undef $MAP_PREFETCH{$path};	2317	$MAP_PREFETCH{$path} |= $load;
		2318
1522	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
1523	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2324	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2325	$map->load if $v;
		2326	}
1528		2327
1529	delete $MAP_PREFETCH{$path};	2328	delete $MAP_PREFETCH{$k};
1530	}	2329	}
1531	}	2330	}
1532	undef $MAP_PREFETCHER;	2331	undef $MAP_PREFETCHER;
1533	};	2332	};
1534	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
1535		2334
1536	()	2335	()
1537	}	2336	}
1538		2337
		2338	# common code, used by both ->save and ->swapout
1539	sub save {	2339	sub _save {
1540	my ($self) = @_;	2340	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2341
1544	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1545		2343
1546	return unless $self->dirty;	2344	return unless $self->dirty;
1547		2345
…		…
1553	return if $self->{deny_save};	2351	return if $self->{deny_save};
1554		2352
1555	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
1556		2354
1557	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
1559	};	2358	};
		2359
		2360	cf::get_slot 0.02;
1560		2361
1561	if ($uniq) {	2362	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2365	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2367	}
1567	}	2368	}
1568		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
1569	sub swap_out {	2378	sub swap_out {
1570	my ($self) = @_;	2379	my ($self) = @_;
1571		2380
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
1577	return if $self->players;	2385	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
1581	$self->clear;	2396	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2397	}
1584		2398
1585	sub reset_at {	2399	sub reset_at {
1586	my ($self) = @_;	2400	my ($self) = @_;
1587		2401
1588	# TODO: safety, remove and allow resettable per-player maps	2402	# 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};	2403	return 1e99 if $self->{deny_reset};
1591		2404
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2405	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2406	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2407
…		…
1605	my ($self) = @_;	2418	my ($self) = @_;
1606		2419
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2421
1609	return if $self->players;	2422	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2423
1612	warn "resetting map ", $self->path;#d#	2424	cf::trace "resetting map ", $self->path, "\n";
		2425
		2426	$self->in_memory (cf::MAP_SWAPPED);
		2427
		2428	# need to save uniques path
		2429	unless ($self->{deny_save}) {
		2430	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2431
		2432	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2433	if $uniq;
		2434	}
1613		2435
1614	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
1615		2437
1616	$self->in_memory (cf::MAP_SWAPPED);	2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2440	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2441
1621	$self->unlink_save;	2442	$self->unlink_save;
1622	$self->destroy;	2443	$self->destroy;
1623	}	2444	}
1624		2445
1625	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
1626		2447
1627	sub nuke {	2448	sub nuke {
1628	my ($self) = @_;	2449	my ($self) = @_;
1629		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
1630	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
1631		2455
1632	$self->unlink_save;	2456	$self->unlink_save;
1633		2457
1634	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
1635	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2463
1640	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
1641		2466
1642	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
		2468	}
		2469
		2470	=item $maps = cf::map::tmp_maps
		2471
		2472	Returns an arrayref with all map paths of currently instantiated and saved
		2473	maps. May block.
		2474
		2475	=cut
		2476
		2477	sub tmp_maps() {
		2478	[
		2479	map {
		2480	utf8::decode $_;
		2481	/\.map$/
		2482	? normalise $_
		2483	: ()
		2484	} @{ aio_readdir $TMPDIR or [] }
		2485	]
		2486	}
		2487
		2488	=item $maps = cf::map::random_maps
		2489
		2490	Returns an arrayref with all map paths of currently instantiated and saved
		2491	random maps. May block.
		2492
		2493	=cut
		2494
		2495	sub random_maps() {
		2496	[
		2497	map {
		2498	utf8::decode $_;
		2499	/\.map$/
		2500	? normalise "?random/$_"
		2501	: ()
		2502	} @{ aio_readdir $RANDOMDIR or [] }
		2503	]
1643	}	2504	}
1644		2505
1645	=item cf::map::unique_maps	2506	=item cf::map::unique_maps
1646		2507
1647	Returns an arrayref of paths of all shared maps that have	2508	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2509	instantiated unique items. May block.
1649		2510
1650	=cut	2511	=cut
1651		2512
1652	sub unique_maps() {	2513	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2514	[
1654	or return;	2515	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2516	utf8::decode $_;
1660	next if /\.pst$/;	2517	s/\.map$//; # TODO future compatibility hack
1661	next unless /^$PATH_SEP/o;	2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662		2519	? ()
1663	push @paths, cf::map::normalise $_;	2520	: normalise $_
		2521	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2522	]
1665
1666	\@paths
1667	}	2523	}
1668		2524
1669	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
1670		2556
1671	=back	2557	=back
1672		2558
1673	=head3 cf::object	2559	=head3 cf::object
1674		2560
…		…
1678		2564
1679	=over 4	2565	=over 4
1680		2566
1681	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
1682		2568
1683	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
1684		2571
1685	=cut	2572	=cut
1686		2573
1687	sub inv_recursive_;	2574	sub inv_recursive_;
1688	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
1691		2578
1692	sub inv_recursive {	2579	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
1694	}	2581	}
1695		2582
		2583	=item $ref = $ob->ref
		2584
		2585	Creates and returns a persistent reference to an object that can be stored as a string.
		2586
		2587	=item $ob = cf::object::deref ($refstring)
		2588
		2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2590	even if the object actually exists. May block.
		2591
		2592	=cut
		2593
		2594	sub deref {
		2595	my ($ref) = @_;
		2596
		2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2598	my ($uuid, $name) = ($1, $2);
		2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2600	or return;
		2601	$pl->ob->uuid eq $uuid
		2602	or return;
		2603
		2604	$pl->ob
		2605	} else {
		2606	warn "$ref: cannot resolve object reference\n";
		2607	undef
		2608	}
		2609	}
		2610
1696	package cf;	2611	package cf;
1697		2612
1698	=back	2613	=back
1699		2614
1700	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
1706	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2621	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1707	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
1708	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
1709		2624
1710	=cut	2625	=cut
		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
1711		2640
1712	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
1713	# with dialog boxes.	2642	# with dialog boxes.
1714	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
1715	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
1717		2646
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2647	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2648
1720	if ($self->{record_replies}) {	2649	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2650	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2651
1722	} else {	2652	} else {
		2653	my $pl = $self->contr;
		2654
		2655	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2656	my $dialog = $pl->{npc_dialog};
		2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2658
		2659	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2662	}
1725	}	2663	}
		2664	}
		2665
		2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2667
		2668	=cut
		2669
		2670	sub cf::object::send_msg {
		2671	my $pl = shift->contr
		2672	or return;
		2673	$pl->send_msg (@_);
1726	}	2674	}
1727		2675
1728	=item $player_object->may ("access")	2676	=item $player_object->may ("access")
1729		2677
1730	Returns wether the given player is authorized to access resource "access"	2678	Returns wether the given player is authorized to access resource "access"
…		…
1743		2691
1744	=item $player_object->enter_link	2692	=item $player_object->enter_link
1745		2693
1746	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
1747		2695
1748	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
1749	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
1750		2700
1751	Will never block.	2701	Will never block.
1752		2702
1753	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
1754		2704
…		…
1774	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
1775	my ($self) = @_;	2725	my ($self) = @_;
1776		2726
1777	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
1778		2728
		2729	++$self->{_link_recursion};
		2730
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2732
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2734	if $self->map && $self->map->{path} ne "{link}";
1783		2735
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1785	}	2737	}
1786		2738
1787	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
		2741
		2742	return unless $self->contr->active;
1789		2743
1790	my $link_pos = delete $self->{_link_pos};	2744	my $link_pos = delete $self->{_link_pos};
1791		2745
1792	unless ($map) {	2746	unless ($map) {
1793	# restore original map position	2747	# restore original map position
…		…
1804	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
1805	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
1806		2760
1807	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
1810		2764
1811	$map->load;	2765	$map->load;
1812	$map->load_diag;	2766	$map->load_neighbours;
1813		2767
1814	return unless $self->contr->active;	2768	return unless $self->contr->active;
		2769
		2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2771	if ($self->enter_map ($map, $x, $y)) {
		2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
1815	$self->activate_recursive;	2775	$self->activate_recursive;
1816	$self->enter_map ($map, $x, $y);
1817	}
1818
1819	cf::player->attach (
1820	on_logout => sub {
1821	my ($pl) = @_;
1822
1823	# abort map switching before logout
1824	if ($pl->ob->{_link_pos}) {
1825	cf::sync_job {
1826	$pl->ob->leave_link
1827	};
1828	}
1829	},	2776	}
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2777
1833	# try to abort aborted map switching on player login :)	2778	}
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850		2779
1851	=item $player_object->goto ($path, $x, $y)	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1852		2781
		2782	Moves the player to the given map-path and coordinates by first freezing
		2783	her, loading and preparing them map, calling the provided $check callback
		2784	that has to return the map if sucecssful, and then unfreezes the player on
		2785	the new (success) or old (failed) map position. In either case, $done will
		2786	be called at the end of this process.
		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
		2790
1853	=cut	2791	=cut
		2792
		2793	our $GOTOGEN;
1854		2794
1855	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
		2803
		2804	# do generation counting so two concurrent goto's will be executed in-order
		2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2806
1858	$self->enter_link;	2807	$self->enter_link;
1859		2808
1860	(async {	2809	(async {
		2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
		2812	# *tag paths override both path and x|y
		2813	if ($path =~ /^\*(.*)$/) {
		2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2815	my $ob = $obs[rand @obs];
		2816
		2817	# see if we actually can go there
		2818	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2819	$ob = $obs[rand @obs];
		2820	} else {
		2821	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823	# else put us there anyways for now #d#
		2824
		2825	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2826	} else {
		2827	($path, $x, $y) = (undef, undef, undef);
		2828	}
		2829	}
		2830
1861	my $map = eval {	2831	my $map = eval {
1862	my $map = cf::map::find $path;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2833
		2834	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2835	$map = $map->customise_for ($self);
		2836	$map = $check->($map, $x, $y, $self) if $check && $map;
		2837	} else {
		2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840
1864	$map	2841	$map
		2842	};
		2843
		2844	if ($@) {
		2845	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2847	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2848
		2849	if ($gen == $self->{_goto_generation}) {
		2850	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
		2852	}
		2853
		2854	$done->($self) if $done;
1869	})->prio (1);	2855	})->prio (1);
1870	}	2856	}
1871		2857
1872	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
1873		2859
…		…
1893	}	2879	}
1894		2880
1895	sub prepare_random_map {	2881	sub prepare_random_map {
1896	my ($exit) = @_;	2882	my ($exit) = @_;
1897		2883
1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1899
1900	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
1901	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
1902	# that depends on the exit object	2886	# that depends on the exit object
1903		2887
1904	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
1906	if ($exit->map) {	2890	if ($exit->map) {
1907	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
1908	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
1909	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
1910	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
1911	}	2897	}
1912		2898
1913	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
1914		2900
1915	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
1918		2904
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2907	undef $fh;
1922	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
1923		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
1924	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
1925	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
1926	}	2916	}
1927	}	2917	}
1928		2918
1929	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
1930	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
1931		2921
1932	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
1933		2923
1934	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
1936	cf::sync_job { prepare_random_map $exit };
1937	}
1938
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;
1942
1943	$self->enter_link;	2924	$self->enter_link;
1944		2925
1945	(async {	2926	(async {
1946	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
1947	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
1948	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
1949		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
1950	1;	2950	1
1951	}) {	2951	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
1953	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2956
1957	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
1958	$self->leave_link;	2958	$self->leave_link;
1959	}	2959	}
1960	})->prio (1);	2960	})->prio (1);
1961	}	2961	}
1962		2962
…		…
1973		2973
1974	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
1976		2976
1977	utf8::encode $text;	2977	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2979	}
1980		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
		3004	}
		3005
		3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3007
		3008	Send a drawinfo or msg packet to the client, formatting the msg for the
		3009	client if neccessary. C<$type> should be a string identifying the type of
		3010	the message, with C<log> being the default. If C<$color> is negative, suppress
		3011	the message unless the client supports the msg packet.
		3012
		3013	=cut
		3014
		3015	# non-persistent channels (usually the info channel)
		3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
		3023	"c/identify" => {
		3024	id => "infobox",
		3025	title => "Identify",
		3026	reply => undef,
		3027	tooltip => "Items recently identified",
		3028	},
		3029	"c/examine" => {
		3030	id => "infobox",
		3031	title => "Examine",
		3032	reply => undef,
		3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
		3127	);
		3128
		3129	sub cf::client::send_msg {
		3130	my ($self, $channel, $msg, $color, @extra) = @_;
		3131
		3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
		3134
		3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3136
		3137	# check predefined channels, for the benefit of C
		3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
		3144	} elsif (ref $channel) {
		3145	# send meta info to client, if not yet sent
		3146	unless (exists $self->{channel}{$channel->{id}}) {
		3147	$self->{channel}{$channel->{id}} = $channel;
		3148	$self->ext_msg (channel_info => $channel);
		3149	}
		3150
		3151	$channel = $channel->{id};
		3152	}
		3153
		3154	return unless @extra || length $msg;
		3155
		3156	# default colour, mask it out
		3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3158	if $color & cf::NDI_DEF;
		3159
		3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
		3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3163	);
		3164
		3165	$self->send_big_packet ($pkt);
		3166	}
		3167
		3168	=item $client->ext_msg ($type, @msg)
		3169
		3170	Sends an ext event to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_msg($$@) {
		3175	my ($self, $type, @msg) = @_;
		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3179	} elsif ($self->extcmd == 1) { # TODO: remove
		3180	push @msg, msgtype => "event_$type";
		3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3182	}
		3183	}
		3184
		3185	=item $client->ext_reply ($msgid, @msg)
		3186
		3187	Sends an ext reply to the client.
		3188
		3189	=cut
		3190
		3191	sub cf::client::ext_reply($$@) {
		3192	my ($self, $id, @msg) = @_;
		3193
		3194	if ($self->extcmd == 2) {
		3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3196	} elsif ($self->extcmd == 1) {
		3197	#TODO: version 1, remove
		3198	unshift @msg, msgtype => "reply", msgid => $id;
		3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3200	}
		3201	}
1981		3202
1982	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
1983		3204
1984	Queues a query to the client, calling the given callback with	3205	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3206	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3207	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		3208
1988	Queries can fail, so check the return code. Or don't, as queries will become	3209	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	3210	become reliable at some point in the future.
1990		3211
1991	=cut	3212	=cut
1992		3213
1993	sub cf::client::query {	3214	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	3215	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	3223	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3224	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		3225
2005	$self->send_packet ($self->{query_queue}[0][0])	3226	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	3227	if @{ $self->{query_queue} } == 1;
		3228
		3229	1
2007	}	3230	}
2008		3231
2009	cf::client->attach (	3232	cf::client->attach (
		3233	on_connect => sub {
		3234	my ($ns) = @_;
		3235
		3236	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3237	},
2010	on_reply => sub {	3238	on_reply => sub {
2011	my ($ns, $msg) = @_;	3239	my ($ns, $msg) = @_;
2012		3240
2013	# this weird shuffling is so that direct followup queries	3241	# this weird shuffling is so that direct followup queries
2014	# get handled first	3242	# get handled first
…		…
2026	} else {	3254	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3255	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	3256	}
2029	}	3257	}
2030	},	3258	},
		3259	on_exticmd => sub {
		3260	my ($ns, $buf) = @_;
		3261
		3262	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3263
		3264	if (ref $msg) {
		3265	my ($type, $reply, @payload) =
		3266	"ARRAY" eq ref $msg
		3267	? @$msg
		3268	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3269
		3270	my @reply;
		3271
		3272	if (my $cb = $EXTICMD{$type}) {
		3273	@reply = $cb->($ns, @payload);
		3274	}
		3275
		3276	$ns->ext_reply ($reply, @reply)
		3277	if $reply;
		3278
		3279	} else {
		3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3281	}
		3282
		3283	cf::override;
		3284	},
2031	);	3285	);
2032		3286
2033	=item $client->async (\&cb)	3287	=item $client->async (\&cb)
2034		3288
2035	Create a new coroutine, running the specified callback. The coroutine will	3289	Create a new coroutine, running the specified callback. The coroutine will
…		…
2051		3305
2052	$coro	3306	$coro
2053	}	3307	}
2054		3308
2055	cf::client->attach (	3309	cf::client->attach (
2056	on_destroy => sub {	3310	on_client_destroy => sub {
2057	my ($ns) = @_;	3311	my ($ns) = @_;
2058		3312
2059	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2060	},	3314	},
2061	);	3315	);
…		…
2076	our $safe = new Safe "safe";	3330	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2078		3332
2079	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2080		3334
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3335	$safe->permit_only (Opcode::opset qw(
		3336	:base_core :base_mem :base_orig :base_math :base_loop
		3337	grepstart grepwhile mapstart mapwhile
		3338	sort time
		3339	));
2082		3340
2083	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
2084		3342
2085	=pod	3343	=pod
2086		3344
2087	The following fucntions and emthods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2088		3346
2089	cf::object contr pay_amount pay_player map	3347	cf::object
		3348	contr pay_amount pay_player map x y force_find force_add destroy
		3349	insert remove name archname title slaying race decrease split
		3350	value
		3351
2090	cf::object::player player	3352	cf::object::player
2091	cf::player peaceful	3353	player
2092	cf::map trigger	3354
		3355	cf::player
		3356	peaceful
		3357
		3358	cf::map
		3359	trigger
2093		3360
2094	=cut	3361	=cut
2095		3362
2096	for (	3363	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2098	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2100	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2101	) {	3370	) {
2102	no strict 'refs';
2103	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2105	for @funs;	3373	for @funs;
2106	}	3374	}
2107		3375
…		…
2122		3390
2123	my $qcode = $code;	3391	my $qcode = $code;
2124	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2125	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2126		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2127	local $_;	3398	local $_;
2128	local @safe::cf::_safe_eval_args = values %vars;
2129		3399
2130	my $eval =	3400	my $eval =
2131	"do {\n"	3401	"do {\n"
2132	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2133	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2134	. $code	3404	. $code
2135	. "\n}"	3405	. "\n}"
2136	;	3406	;
2137		3407
		3408	if ($CFG{safe_eval}) {
2138	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2139	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2140	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2141		3417
2142	if ($@) {	3418	if ($@) {
2143	warn "$@";	3419	warn "$@",
2144	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2145	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2146	}	3422	}
2147		3423
2148	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2149	}	3425	}
2150		3426
…		…
2164	=cut	3440	=cut
2165		3441
2166	sub register_script_function {	3442	sub register_script_function {
2167	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2168		3444
2169	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2170	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2171	}	3447	}
2172		3448
2173	=back	3449	=back
2174		3450
2175	=cut	3451	=cut
2176
2177	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	sub db_load() {
2203	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;
2205
2206	cf::sync_job {
2207	eval {
2208	$DB->set_flags (BDB::CHKSUM);
2209
2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;
2213	};
2214	cf::cleanup "db_open(db): $@" if $@;
2215	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}
2231	}
2232
2233	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";
2235
2236	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;
2238
2239	$! ? ()
2240	: Compress::LZF::sthaw $data
2241	}
2242	}
2243
2244	sub db_put($$$) {
2245	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247	}
2248		3452
2249	#############################################################################	3453	#############################################################################
2250	# the server's init and main functions	3454	# the server's init and main functions
2251		3455
		3456	sub load_facedata($) {
		3457	my ($path) = @_;
		3458
		3459	# HACK to clear player env face cache, we need some signal framework
		3460	# for this (global event?)
		3461	%ext::player_env::MUSIC_FACE_CACHE = ();
		3462
		3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3464
		3465	trace "loading facedata from $path\n";
		3466
		3467	my $facedata = decode_storable load_file $path;
		3468
		3469	$facedata->{version} == 2
		3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3471
		3472	# patch in the exptable
		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3474	$facedata->{resource}{"res/exp_table"} = {
		3475	type => FT_RSRC,
		3476	data => $exp_table,
		3477	hash => (Digest::MD5::md5 $exp_table),
		3478	};
		3479	cf::cede_to_tick;
		3480
		3481	{
		3482	my $faces = $facedata->{faceinfo};
		3483
		3484	while (my ($face, $info) = each %$faces) {
		3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
		3487	cf::face::set_visibility $idx, $info->{visibility};
		3488	cf::face::set_magicmap $idx, $info->{magicmap};
		3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3492
		3493	cf::cede_to_tick;
		3494	}
		3495
		3496	while (my ($face, $info) = each %$faces) {
		3497	next unless $info->{smooth};
		3498
		3499	my $idx = cf::face::find $face
		3500	or next;
		3501
		3502	if (my $smooth = cf::face::find $info->{smooth}) {
		3503	cf::face::set_smooth $idx, $smooth;
		3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3505	} else {
		3506	error "smooth face '$info->{smooth}' not found for face '$face'";
		3507	}
		3508
		3509	cf::cede_to_tick;
		3510	}
		3511	}
		3512
		3513	{
		3514	my $anims = $facedata->{animinfo};
		3515
		3516	while (my ($anim, $info) = each %$anims) {
		3517	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3518	cf::cede_to_tick;
		3519	}
		3520
		3521	cf::anim::invalidate_all; # d'oh
		3522	}
		3523
		3524	{
		3525	my $res = $facedata->{resource};
		3526
		3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
		3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3530
		3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3532	cf::face::set_type $idx, $info->{type};
		3533	} else {
		3534	$RESOURCE{$name} = $info; # unused
		3535	}
		3536
		3537	cf::cede_to_tick;
		3538	}
		3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3542
		3543	1
		3544	}
		3545
		3546	register_exticmd fx_want => sub {
		3547	my ($ns, $want) = @_;
		3548
		3549	while (my ($k, $v) = each %$want) {
		3550	$ns->fx_want ($k, $v);
		3551	}
		3552	};
		3553
2252	sub load_resources {	3554	sub load_resource_file($) {
2253	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
		3563
		3564	sub reload_regions {
		3565	# HACK to clear player env face cache, we need some signal framework
		3566	# for this (global event?)
		3567	%ext::player_env::MUSIC_FACE_CACHE = ();
		3568
		3569	load_resource_file "$MAPDIR/regions"
2254	or die "unable to load regions file\n";#d#	3570	or die "unable to load regions file\n";
2255	}
2256		3571
2257	sub cfg_load {	3572	for (cf::region::list) {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3573	$_->{match} = qr/$_->{match}/
2259	or return;	3574	if exists $_->{match};
		3575	}
		3576	}
2260		3577
2261	local $/;	3578	sub reload_facedata {
2262	*CFG = YAML::Syck::Load <$fh>;	3579	load_facedata "$DATADIR/facedata"
		3580	or die "unable to load facedata\n";
		3581	}
2263		3582
		3583	sub reload_archetypes {
		3584	load_resource_file "$DATADIR/archetypes"
		3585	or die "unable to load archetypes\n";
		3586	}
		3587
		3588	sub reload_treasures {
		3589	load_resource_file "$DATADIR/treasures"
		3590	or die "unable to load treasurelists\n";
		3591	}
		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
		3613	sub reload_resources {
		3614	trace "reloading resource files...\n";
		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
		3621	reload_regions;
		3622	reload_treasures;
		3623
		3624	trace "finished reloading resource files\n";
		3625	}
		3626
		3627	sub reload_config {
		3628	trace "reloading config file...\n";
		3629
		3630	my $config = load_file "$CONFDIR/config";
		3631	utf8::decode $config;
		3632	*CFG = decode_yaml $config;
		3633
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2265		3635
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2268		3638
2269	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
2273	};	3643	};
2274	warn $@ if $@;	3644	warn $@ if $@;
2275	}	3645	}
2276	}	3646	}
2277		3647
2278	sub init {	3648	sub pidfile() {
2279	load_resources;	3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
2280	}	3674	}
2281		3675
2282	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
2283	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
2285	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2286	(async {	3689	(async {
2287	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
2288	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
2289	};	3693	};
2290		3694
2291	cfg_load;	3695	evthread_start IO::AIO::poll_fileno;
2292	db_load;	3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
		3707	reload_config;
		3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
2293	load_extensions;	3718	load_extensions;
2294		3719
2295	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
2296	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2297	}	3738	}
2298		3739
2299	#############################################################################	3740	#############################################################################
2300	# initialisation and cleanup	3741	# initialisation and cleanup
2301		3742
2302	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2303	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2304	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2305	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2306	reentrant => 0,
2307	data => WF_AUTOCANCEL,
2308	signal => $signal,
2309	prio => 0,
2310	cb => sub {
2311	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2312	},
2313	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2314	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2315	}	3839	}
2316		3840
2317	sub emergency_save() {	3841	sub emergency_save() {
2318	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2319		3843
2320	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2321		3850
2322	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2323	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2324	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2325	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2326	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2327	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2328	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2329	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2330	$pl->save;	3862	$pl->save;
2331	}	3863	}
2332	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2333		3865
2334	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2335	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2336	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2337	$map->valid or next;	3871	$map->valid or next;
2338	$map->save;	3872	$map->save;
2339	}	3873	}
2340	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2341		3875
2342	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
2343	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2344	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2345	};	3904	};
2346		3905
2347	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2348	}	3907	}
2349		3908
		3909	sub post_cleanup {
		3910	my ($make_core) = @_;
		3911
		3912	IO::AIO::flush;
		3913
		3914	error Carp::longmess "post_cleanup backtrace"
		3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
		3944	}
		3945
2350	sub reload() {	3946	sub do_reload_perl() {
2351	# can/must only be called in main	3947	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2353	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2354	return;	3950	return;
2355	}	3951	}
2356		3952
2357	warn "reloading...";	3953	return if $RELOAD++;
2358		3954
2359	warn "cancelling server ticker";	3955	my $t1 = AE::time;
2360	$TICK_WATCHER->cancel;
2361		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
		3963	cf::sync_job {
2362	cf::emergency_save;	3964	#cf::emergency_save;
2363		3965
2364	eval {
2365	# if anything goes wrong in here, we should simply crash as we already saved
2366
2367	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374
2375	warn "flushing outstanding aio requests";
2376	for (;;) {
2377	BDB::flush;
2378	IO::AIO::flush;
2379	Coro::cede;
2380	last unless IO::AIO::nreqs || BDB::nreqs;
2381	warn "iterate...";
2382	}
2383
2384	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();	3968	%EXT_CORO = ();
2387		3969
2388	warn "removing commands";	3970	trace "perl_reload: removing commands";
2389	%COMMAND = ();	3971	%COMMAND = ();
2390		3972
2391	warn "removing ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2392	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2393		3976
2394	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2395	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2396	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2397		3980
2398	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2399	eval {	3982	eval {
2400	$cb->($pkg);	3983	$cb->($pkg);
2401	1	3984	1
2402	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2403	}	3990	}
2404		3991
2405	warn "... nuking $pkg";
2406	Symbol::delete_package $pkg;
2407	}
2408
2409	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2410	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2411	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2412		3995
2413	warn "... unloading $k";	3996	trace "... unloading $k";
2414	delete $INC{$k};	3997	delete $INC{$k};
2415		3998
2416	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2417	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2418		4001
2419	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2420	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2421	}	4007	}
2422		4008
2423	Symbol::delete_package $k;
2424	}
2425
2426	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2427	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2428	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2429		4012
2430	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
		4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2432		4016
2433	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2434	# and global variables created in xs	4018	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2436		4020
2437	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
2438		4022
2439	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
2440	require cf;	4024	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2442		4026
2443	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
2444	cf::cfg_load;	4028	cf::reload_config;
2445	cf::db_load;
2446		4029
2447	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
2448	cf::load_extensions;	4031	cf::load_extensions;
2449		4032
		4033	if ($REATTACH_ON_RELOAD) {
2450	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2451	_global_reattach;	4035	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2453	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
		4038	trace "perl_reload: reattaching attachments to players";
		4039	reattach $_ for values %PLAYER;
		4040	}
2454		4041
2455	warn "loading reloadable resources";	4042	cf::_post_init 1;
2456	load_resources;
2457		4043
2458	warn "restarting server ticker";	4044	trace "perl_reload: leaving sync_job";
2459		4045
2460	$TICK_WATCHER->start;	4046	1
		4047	} or do {
		4048	error $@;
		4049	cf::cleanup "perl_reload: error, exiting.";
		4050	};
		4051
		4052	--$RELOAD;
		4053	}
		4054
		4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
		4057	};
		4058
		4059	our $RELOAD_WATCHER; # used only during reload
		4060
		4061	sub reload_perl() {
		4062	# doing reload synchronously and two reloads happen back-to-back,
		4063	# coro crashes during coro_state_free->destroy here.
		4064
		4065	$RELOAD_WATCHER ||= cf::async {
		4066	Coro::AIO::aio_wait cache_extensions;
		4067
		4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4069	do_reload_perl;
		4070	undef $RELOAD_WATCHER;
		4071	};
2461	};	4072	};
2462		4073	}
2463	if ($@) {
2464	warn $@;
2465	warn "error while reloading, exiting.";
2466	exit 1;
2467	}
2468
2469	warn "reloaded";
2470	};
2471
2472	our $RELOAD_WATCHER; # used only during reload
2473		4074
2474	register_command "reload" => sub {	4075	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2476		4077
2477	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
2479		4080	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	4081	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	4082	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	4083	};
2492	}	4084	}
2493	};	4085	};
2494		4086
2495	unshift @INC, $LIBDIR;	4087	#############################################################################
2496		4088
2497	my $bug_warning = 0;	4089	my $bug_warning = 0;
2498		4090
2499	$TICK_WATCHER = Event->timer (	4091	our @WAIT_FOR_TICK;
2500	reentrant => 0,	4092	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	4093
2502	prio => 0,	4094	sub wait_for_tick() {
2503	at => $NEXT_TICK || $TICK,	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2504	data => WF_AUTOCANCEL,	4096
2505	cb => sub {	4097	my $signal = new Coro::Signal;
		4098	push @WAIT_FOR_TICK, $signal;
		4099	$signal->wait;
		4100	}
		4101
		4102	sub wait_for_tick_begin() {
		4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4104
		4105	my $signal = new Coro::Signal;
		4106	push @WAIT_FOR_TICK_BEGIN, $signal;
		4107	$signal->wait;
		4108	}
		4109
		4110	sub tick {
2506	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
2509	return;	4114	return;
2510	}	4115	}
2511		4116
2512	$NOW = Event::time;
2513
2514	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
2515	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;
2517		4118
2518	$WAIT_FOR_TICK->broadcast;	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2520		4120
2521	Event::sweep;	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2522	Coro::cede_notself;	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4123	Coro::async_pool {
		4124	$Coro::current->{desc} = "runtime saver";
		4125	write_runtime_sync
		4126	or error "ERROR: unable to write runtime file: $!";
		4127	};
		4128	}
		4129
		4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4131	$sig->send;
		4132	}
		4133	while (my $sig = shift @WAIT_FOR_TICK) {
		4134	$sig->send;
		4135	}
		4136
		4137	$LOAD = ($NOW - $TICK_START) / $TICK;
		4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4139
		4140	if (0) {
		4141	if ($NEXT_TICK) {
		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
2523		4145	}
2524	# my $AFTER = Event::time;
2525	# warn $AFTER - $NOW;#d#
2526
2527	# if we are delayed by four ticks or more, skip them all
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2529
2530	$TICK_WATCHER->at ($NEXT_TICK);
2531	$TICK_WATCHER->start;
2532	},	4146	}
2533	);	4147	}
2534		4148
2535	{	4149	{
2536	BDB::max_poll_time $TICK * 0.1;	4150	# configure BDB
2537	$BDB_POLL_WATCHER = Event->io (	4151
2538	reentrant => 0,
2539	fd => BDB::poll_fileno,
2540	poll => 'r',
2541	prio => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => \&BDB::poll_cb,
2544	);
2545	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
2546		4153	BDB::max_poll_reqs $TICK * 0.1;
2547	BDB::set_sync_prepare {	4154	$AnyEvent::BDB::WATCHER->priority (1);
2548	my $status;
2549	my $current = $Coro::current;
2550	(
2551	sub {
2552	$status = $!;
2553	$current->ready; undef $current;
2554	},
2555	sub {
2556	Coro::schedule while defined $current;
2557	$! = $status;
2558	},
2559	)
2560	};
2561		4155
2562	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
2563	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
		4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2564		4163
2565	cf::sync_job {	4164	cf::sync_job {
2566	eval {	4165	eval {
2567	BDB::db_env_open	4166	BDB::db_env_open
2568	$DB_ENV,	4167	$DB_ENV,
2569	$BDB_ENV_DIR,	4168	$BDBDIR,
2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	4171	0666;
2573		4172
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575
2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2577	$DB_ENV->set_lk_detect;
2578	};	4174	};
2579		4175
2580	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
2581	};	4177	};
2582	}	4178	}
		4179
		4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4182	};
		4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4185	};
		4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4188	};
2583	}	4189	}
2584		4190
2585	{	4191	{
		4192	# configure IO::AIO
		4193
2586	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
2587
2588	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
2591	reentrant => 0,
2592	fd => IO::AIO::poll_fileno,
2593	poll => 'r',
2594	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,
2597	);
2598	}	4197	}
2599		4198
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	4199	our $_log_backtrace;
2601	reentrant => 0,	4200	our $_log_backtrace_last;
2602	data => WF_AUTOCANCEL,	4201
2603	after => 1,	4202	sub _log_backtrace {
2604	interval => 10,	4203	my ($msg, @addr) = @_;
2605	prio => 6, # keep it lowest so it acts like a watchdog	4204
2606	cb => Coro::unblock_sub {	4205	$msg =~ s/\n$//;
2607	write_runtime	4206
2608	or warn "ERROR: unable to write runtime file: $!";	4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4210	# limit the # of concurrent backtraces
		4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
		4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
		4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
		4218	my @bt = fork_call {
		4219	@addr = map { sprintf "%x", $_ } @addr;
		4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4222	or die "addr2line: $!";
		4223
		4224	my @funcs;
		4225	my @res = <$fh>;
		4226	chomp for @res;
		4227	while (@res) {
		4228	my ($func, $line) = splice @res, 0, 2, ();
		4229	push @funcs, "[$func] $line";
		4230	}
		4231
		4232	@funcs
		4233	};
		4234
		4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4237	LOG llevInfo, "[ABT] $_\n" for @bt;
		4238	--$_log_backtrace;
		4239	};
		4240	} else {
		4241	LOG llevInfo, "[ABT] $msg\n";
		4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2609	},	4243	}
2610	);	4244	}
		4245
		4246	# load additional modules
		4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
2611		4249
2612	END { cf::emergency_save }	4250	END { cf::emergency_save }
2613		4251
2614	1	4252	1
2615		4253

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