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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.566 by root, Sun May 1 16:58:16 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98
		99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
60		120
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	123	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
71		132
72	our %CFG;	133	our %CFG;
73		134
74	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
76		138
77	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		142
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $REALLY_UNLOOP; # never set to true, please :)
		155
86	binmode STDOUT;	156	binmode STDOUT;
87	binmode STDERR;	157	binmode STDERR;
88		158
89	# read virtual server time, if available	159	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
94	}	164	}
95		165
96	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	167
98	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		170
103	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
104		172
105	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::"} };
106		189
107	#############################################################################	190	#############################################################################
108		191
109	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
110		193
…		…
117	=item $cf::RUNTIME	200	=item $cf::RUNTIME
118		201
119	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
120	every server tick.	203	every server tick.
121		204
122	=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
123		208
124	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		213
127	=item $cf::NOW	214	=item $cf::NOW
128		215
129	The time of the last (current) server tick.	216	The time of the last (current) server tick.
130		217
131	=item $cf::TICK	218	=item $cf::TICK
132		219
133	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	232	=item %cf::CFG
136		233
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	235	from wherever your confdir points to.
139		236
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		238
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		259
146	=back	260	=back
147		261
148	=cut	262	=cut
149		263
150	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	271	my $msg = join "", @_;
153		272
154	$msg .= "\n"	273	$msg .= "\n"
155	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
156		275
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		277
159	utf8::encode $msg;
160	LOG llevError, $msg;	278	LOG llevWarn, $msg;
161	};	279	};
162	}	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	};
163		294
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		302
171	# 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
172	# within the Safe compartment.	304	# within the Safe compartment.
173	for my $pkg (qw(	305	for my $pkg (qw(
174	cf::global cf::attachable	306	cf::global cf::attachable
175	cf::object cf::object::player	307	cf::object cf::object::player
176	cf::client cf::player	308	cf::client cf::player
177	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
178	cf::map cf::party cf::region	311	cf::party cf::region
179	)) {	312	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	314	}
183		315
184	$Event::DIED = sub {	316	$EV::DIED = sub {
185	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
186	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
187		326
188	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
189		328
190	=over 4	329	=over 4
191		330
…		…
210	$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;
211	$d	350	$d
212	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
213	}	352	}
214		353
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
216		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
217	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
218		369
219	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
220		371
221	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
222		373
223	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
224		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
225	=item cf::lock_wait $string	445	=item cf::lock_wait $string
226		446
227	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
228		448
229	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
230		450
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
234	returned.	454	returned.
235		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
236	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
237	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
238		461
239	=cut	462	=item $locked = cf::lock_active $string
240		463
241	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;
242		469
243	sub lock_wait($) {	470	sub lock_wait($) {
244	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	472	}
252		473
253	sub lock_acquire($) {	474	sub lock_acquire($) {
254	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
255		477
256	# wait, to be sure we are not locked	478	sub lock_active($) {
257	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	480	}
266		481
267	sub freeze_mainloop {	482	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
269		484
270	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
272	};	556	}
273	$TICK_WATCHER->stop;	557	};
274	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
275	}	572	}
276		573
277	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
278		575
279	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		581
285	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
286		583
287	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
288		585
289	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
290	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
291	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.
292		590
293	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
294	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
295	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
296	fast or be very important.	594	fast or be very important.
…		…
298	=cut	596	=cut
299		597
300	sub sync_job(&) {	598	sub sync_job(&) {
301	my ($job) = @_;	599	my ($job) = @_;
302		600
303	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
304	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
306		606
307	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	608
309	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
310		610
311	my $busy = 1;	611	my $busy = 1;
312	my @res;	612	my @res;
313		613
314	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	616	@res = eval { $job->() };
316	warn $@ if $@;	617	error $@ if $@;
317	undef $busy;	618	undef $busy;
318	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
319		620
320	while ($busy) {	621	while ($busy) {
321	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
322	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
323		632
324	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
325	} else {	634	} else {
326	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
327		636
…		…
347	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
348		657
349	$coro	658	$coro
350	}	659	}
351		660
352	sub write_runtime {	661	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		662
355	my $runtime = cf::localdir . "/runtime";	663	Executes the given code block with the given arguments in a seperate
		664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
356		667
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
358	or return;
359		669
360	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
362	# 60 allows for the watchdog to kill the server.	672	}
363		673
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
365	and return;	675	my ($cb, @args) = @_;
366		676
367	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
369	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
370		680
371	close $fh	681	my @res = Coro::Util::fork_eval {
372	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
373		685
374	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
375	and return;	687	}
376		688
		689	sub objinfo {
377	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"
378	}	853	}
379		854
380	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
381		856
382	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
383		858
384	=cut	859	=cut
385		860
386	sub datalog($@) {	861	sub datalog($@) {
387	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	864	}
390		865
391	=back	866	=back
392		867
393	=cut	868	=cut
394		869
395	#############################################################################	870	#############################################################################
396		871
397	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
398		873
399	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
400	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")
401	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
402		877
403	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>
404	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
405	crossfire+).	880	Deliantra).
406		881
407	=over 4	882	=over 4
408		883
409	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
410		885
…		…
454	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
455		930
456	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
457	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
458		933
459	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		936
462	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
463		938
464	=over 4	939	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
574		1049
575	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1054
580	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
582		1057
583	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
588		1063
589	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1066
592	} elsif (ref $type) {	1067	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
594		1069
595	} else {	1070	} else {
596	shift @arg;	1071	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
598	}	1073	}
599	}	1074	}
600	}	1075	}
601		1076
602	sub _object_attach {	1077	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
613	}	1088	}
614		1089
615	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
616	} else {	1091	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1093	}
619		1094
620	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
621	}	1096	}
622		1097
…		…
624	if (ref $_[0]) {	1099	if (ref $_[0]) {
625	_object_attach @_;	1100	_object_attach @_;
626	} else {	1101	} else {
627	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
628	}	1103	}
		1104	_recalc_want;
629	};	1105	};
630		1106
631	# all those should be optimised	1107	# all those should be optimised
632	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1113	reattach ($obj);
638	} else {	1114	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
640	}	1116	}
		1117	_recalc_want;
641	};	1118	};
642		1119
643	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
645		1122
…		…
660	";	1137	";
661	die if $@;	1138	die if $@;
662	}	1139	}
663		1140
664	our $override;	1141	our $override;
665	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?
666		1143
667	sub override {	1144	sub override {
668	$override = 1;	1145	$override = 1;
669	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
670	}	1147	}
671		1148
672	sub do_invoke {	1149	sub do_invoke {
673	my $event = shift;	1150	my $event = shift;
674	my $callbacks = shift;	1151	my $callbacks = shift;
675		1152
676	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
677		1154
678	local $override;	1155	local $override;
679		1156
680	for (@$callbacks) {	1157	for (@$callbacks) {
681	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
682		1159
683	if ($@) {	1160	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1162	override;
687	}	1163	}
688		1164
689	return 1 if $override;	1165	return 1 if $override;
690	}	1166	}
691		1167
692	0	1168	0
693	}	1169	}
694		1170
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1172
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1174
699	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
700		1176
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1180
705	=back	1181	=back
706		1182
707	=cut	1183	=cut
708		1184
709	#############################################################################	1185	#############################################################################
710	# 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	}
711		1229
712	sub reattach {	1230	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1232	my ($obj) = @_;
715		1233
		1234	# no longer needed after getting rid of delete_package?
716	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
717		1236
718	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
719		1238
720	@$registry = ();	1239	@$registry = ();
721		1240
…		…
726	for (@$attach) {	1245	for (@$attach) {
727	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
729	}	1248	}
730	} else {	1249	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1251	}
733	}	1252	}
734	}	1253	}
735		1254
736	cf::attachable->attach (	1255	cf::attachable->attach (
737	prio => -1000000,	1256	prio => -1000000,
738	on_instantiate => sub {	1257	on_instantiate => sub {
739	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
740		1259
741	$data = from_json $data;	1260	$data = decode_json $data;
742		1261
743	for (@$data) {	1262	for (@$data) {
744	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
745		1264
746	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1281	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
764		1283
765	sync_job {	1284	sync_job {
766	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
769		1290
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	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	}
774	close $fh;	1298	aio_close $fh;
775		1299
776	if (@$objs) {	1300	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
781	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	}
782	close $fh;	1309	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
784	}	1311	}
785	} else {	1312	} else {
786	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
787	}	1314	}
788		1315
789	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1320	} else {
791	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
792	}	1322	}
793	} else {	1323	} else {
794	aio_unlink $filename;	1324	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
796	}	1326	}
797	}	1327	};
798	}	1328	}
799		1329
800	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
802		1332
…		…
814	or return;	1344	or return;
815		1345
816	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
818	or return;	1348	or return;
		1349
819	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
820	}	1352	}
821		1353
		1354	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
824	return ($data, $av);	1359	($data, $av)
825	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
826		1367
827	#############################################################################	1368	#############################################################################
828	# command handling &c	1369	# command handling &c
829		1370
830	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1385	}
845		1386
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1388
848	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.
849		1394
850	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
851	called.	1396	called.
852		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
853	=cut	1409	=cut
854		1410
855	sub register_extcmd {	1411	sub register_extcmd {
856	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
857		1413
858	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
859	}	1415	}
860		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
861	cf::player->attach (	1425	cf::player->attach (
862	on_command => sub {	1426	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
864		1428
865	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
866	or return;	1430	or return;
867		1431
…		…
872	cf::override;	1436	cf::override;
873	},	1437	},
874	on_extcmd => sub {	1438	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
876		1440
877	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1442
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
885	} else {	1458	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1460	}
888		1461
889	cf::override;	1462	cf::override;
890	},	1463	},
891	);	1464	);
892		1465
		1466	# "readahead" all extensions
893	sub load_extension {	1467	sub cache_extensions {
894	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
895		1469
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1473	}
921	die $@;
922	}	1474	};
923		1475
924	push @EXTS, $pkg;	1476	$grp
925	}	1477	}
926		1478
927	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
928	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1486	next unless -r $path;
930	eval {	1487
931	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	}
932	1	1551	}
933	} 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	}
934	}	1564	};
935	}	1565	}
936		1566
937	#############################################################################	1567	#############################################################################
938		1568
		1569	=back
		1570
939	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
940		1572
941	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
942		1574
943	=cut	1575	=cut
944		1576
945	package cf::player;	1577	package cf::player;
946		1578
…		…
948		1580
949	=head3 cf::player	1581	=head3 cf::player
950		1582
951	=over 4	1583	=over 4
952		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
953	=item cf::player::find $login	1599	=item cf::player::find $login
954		1600
955	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
956		1602
957	=cut	1603	=cut
958		1604
959	sub playerdir($) {	1605	sub playerdir($) {
960	cf::localdir	1606	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1608	}
966		1609
967	sub path($) {	1610	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1621
979	sub exists($) {	1622	sub exists($) {
980	my ($login) = @_;	1623	my ($login) = @_;
981		1624
982	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
984	}	1627	}
985		1628
986	sub find($) {	1629	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1631	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
999		1642
1000	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1003	}	1652	}
1004	}	1653	}
1005	}	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	);
1006		1668
1007	sub save($) {	1669	sub save($) {
1008	my ($pl) = @_;	1670	my ($pl) = @_;
1009		1671
1010	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1016		1678
1017	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1019		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
1020	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1021	Coro::cede;	1688	cf::cede_to_tick;
1022	}	1689	}
1023		1690
1024	sub new($) {	1691	sub new($) {
1025	my ($login) = @_;	1692	my ($login) = @_;
1026		1693
…		…
1032	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1033		1700
1034	$self	1701	$self
1035	}	1702	}
1036		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
1037	=item $pl->quit_character	1714	=item $pl->quit_character
1038		1715
1039	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
1040	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1041		1718
…		…
1045	my ($pl) = @_;	1722	my ($pl) = @_;
1046		1723
1047	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1048		1725
1049	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1050	$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
1051		1728
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1055	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1056		1737
1057	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1089		1770
1090	=cut	1771	=cut
1091		1772
1092	sub list_logins {	1773	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1775	or return [];
1095		1776
1096	my @logins;	1777	my @logins;
1097		1778
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1102		1789
1103	utf8::decode $login;	1790	utf8::decode $login;
1104	push @logins, $login;	1791	push @logins, $login;
1105	}	1792	}
1106		1793
1107	\@logins	1794	\@logins
1108	}	1795	}
1109		1796
1110	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1111		1800
1112	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1113	player. May block.	1802	player. May block.
1114		1803
1115	=cut	1804	=cut
…		…
1133	}	1822	}
1134		1823
1135	\@paths	1824	\@paths
1136	}	1825	}
1137		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1138	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1139		1832
1140	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1141		1834
1142	=cut	1835	=cut
1143		1836
1144	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1146		1839
1147	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1841	}
1151		1842
1152	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1153		1844
1154	Sends an ext event to the client.	1845	Sends an ext event to the client.
1155		1846
1156	=cut	1847	=cut
1157		1848
1158	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1160		1851
1161	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1162	}	1853	}
1163		1854
1164	=head3 cf::region	1855	=head3 cf::region
1165		1856
1166	=over 4	1857	=over 4
…		…
1169		1860
1170	package cf::region;	1861	package cf::region;
1171		1862
1172	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1173		1864
1174	Tries to decuce the probable region for a map knowing only its path.	1865	Tries to decuce the likely region for a map knowing only its path.
1175		1866
1176	=cut	1867	=cut
1177		1868
1178	sub find_by_path($) {	1869	sub find_by_path($) {
1179	my ($path) = @_;	1870	my ($path) = @_;
1180		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1181	my ($match, $specificity);	1874	my ($match, $specificity);
1182		1875
1183	for my $region (list) {	1876	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1187	}	1880	}
1188	}	1881	}
1189		1882
…		…
1210	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1212		1905
1213	sub generate_random_map {	1906	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1215	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1216	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1228	)
1229	}	1912	}
1230		1913
1231	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1232		1915
1233	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
…		…
1238		1921
1239	sub register {	1922	sub register {
1240	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1924	my $pkg = caller;
1242		1925
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1927
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1929	}
1248		1930
1249	# also paths starting with '/'	1931	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1933
1252	sub thawer_merge {	1934	sub thawer_merge {
1253	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1254		1936
1255	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1256	local $self->{path};	1938	local $self->{path};
1257	local $self->{load_path};	1939	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1940
1261	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1262	}	1942	}
1263		1943
1264	sub normalise {	1944	sub normalise {
1265	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1266		1946
1267	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1268		1948
1269	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1270		1950
1271	# map plan:	1951	# map plan:
1272	#	1952	#
…		…
1274	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1275	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1276	# ?random/... random maps	1956	# ?random/... random maps
1277	# /... normal maps	1957	# /... normal maps
1278	# ~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
1279		1960
1280	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1281		1962
1282	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1283	# something that looks reasonable	1964	# something that looks reasonable
1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1285	$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'";
1286		1967
1287	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1288	$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;
1289	}	1984	}
1290		1985
1291	for ($path) {	1986	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1295	}	1989	}
1296		1990
1297	$path	1991	$path
…		…
1311	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1312	return $self;	2006	return $self;
1313	}	2007	}
1314	}	2008	}
1315		2009
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	2011	()
1318	}	2012	}
1319		2013
		2014	# may re-bless or do other evil things
1320	sub init {	2015	sub init {
1321	my ($self) = @_;	2016	my ($self) = @_;
1322		2017
1323	$self	2018	$self
1324	}	2019	}
…		…
1336		2031
1337	# the original (read-only) location	2032	# the original (read-only) location
1338	sub load_path {	2033	sub load_path {
1339	my ($self) = @_;	2034	my ($self) = @_;
1340		2035
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2036	"$MAPDIR/$self->{path}.map"
1342	}	2037	}
1343		2038
1344	# the temporary/swap location	2039	# the temporary/swap location
1345	sub save_path {	2040	sub save_path {
1346	my ($self) = @_;	2041	my ($self) = @_;
1347		2042
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2044	"$TMPDIR/$path.map"
1350	}	2045	}
1351		2046
1352	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1353	sub uniq_path {	2048	sub uniq_path {
1354	my ($self) = @_;	2049	my ($self) = @_;
1355		2050
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2052	"$UNIQUEDIR/$path"
1358	}	2053	}
1359		2054
1360	# and all this just because we cannot iterate over	2055	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	2056	my ($self) = @_;
1364		2057
1365	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1367	}	2061	}
1368		2062
1369	sub unlink_save {	2063	sub unlink_save {
1370	my ($self) = @_;	2064	my ($self) = @_;
1371		2065
…		…
1376		2070
1377	sub load_header_from($) {	2071	sub load_header_from($) {
1378	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1379		2073
1380	utf8::encode $path;	2074	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2076	or return;
1386		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
		2083
1387	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1388		2085
1389	1	2086	1
1390	}	2087	}
1391		2088
		2089	# used to laod the header of an original map
1392	sub load_header_orig {	2090	sub load_header_orig {
1393	my ($self) = @_;	2091	my ($self) = @_;
1394		2092
1395	$self->load_header_from ($self->load_path)	2093	$self->load_header_from ($self->load_path)
1396	}	2094	}
1397		2095
		2096	# used to laod the header of an instantiated map
1398	sub load_header_temp {	2097	sub load_header_temp {
1399	my ($self) = @_;	2098	my ($self) = @_;
1400		2099
1401	$self->load_header_from ($self->save_path)	2100	$self->load_header_from ($self->save_path)
1402	}	2101	}
1403		2102
		2103	# called after loading the header from an instantiated map
1404	sub prepare_temp {	2104	sub prepare_temp {
1405	my ($self) = @_;	2105	my ($self) = @_;
1406		2106
1407	$self->last_access ((delete $self->{last_access})	2107	$self->last_access ((delete $self->{last_access})
1408	|| $cf::RUNTIME); #d#	2108	|| $cf::RUNTIME); #d#
1409	# safety	2109	# safety
1410	$self->{instantiate_time} = $cf::RUNTIME	2110	$self->{instantiate_time} = $cf::RUNTIME
1411	if $self->{instantiate_time} > $cf::RUNTIME;	2111	if $self->{instantiate_time} > $cf::RUNTIME;
1412	}	2112	}
1413		2113
		2114	# called after loading the header from an original map
1414	sub prepare_orig {	2115	sub prepare_orig {
1415	my ($self) = @_;	2116	my ($self) = @_;
1416		2117
1417	$self->{load_original} = 1;	2118	$self->{load_original} = 1;
1418	$self->{instantiate_time} = $cf::RUNTIME;	2119	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1429	$self->load_header_orig	2130	$self->load_header_orig
1430	or return;	2131	or return;
1431	$self->prepare_orig;	2132	$self->prepare_orig;
1432	}	2133	}
1433		2134
		2135	$self->{deny_reset} = 1
		2136	if $self->no_reset;
		2137
1434	$self->default_region (cf::region::find_by_path $self->{path})	2138	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2139	unless $self->default_region;
1436		2140
1437	1	2141	1
1438	}	2142	}
1439		2143
1440	sub find;	2144	sub find;
1441	sub find {	2145	sub find {
1442	my ($path, $origin) = @_;	2146	my ($path, $origin) = @_;
1443		2147
		2148	cf::cede_to_tick;
		2149
1444	$path = normalise $path, $origin && $origin->path;	2150	$path = normalise $path, $origin;
1445		2151
		2152	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2153	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2154
1448	$cf::MAP{$path} || do {	2155	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2156	my $map = new_from_path cf::map $path
1451	or return;	2157	or return;
1452		2158
1453	$map->{last_save} = $cf::RUNTIME;	2159	$map->{last_save} = $cf::RUNTIME;
1454		2160
1455	$map->load_header	2161	$map->load_header
1456	or return;	2162	or return;
1457		2163
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2164	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2165	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2166	#$cf::WAIT_FOR_TICK->wait;
		2167	undef $guard2;
		2168	undef $guard1;
1461	$map->reset;	2169	$map->reset;
1462	undef $guard;
1463	return find $path;	2170	return find $path;
1464	}	2171	}
1465		2172
1466	$cf::MAP{$path} = $map	2173	$cf::MAP{$path} = $map
1467	}	2174	}
1468	}	2175	}
1469		2176
1470	sub pre_load { }	2177	sub pre_load { }
1471	sub post_load { }	2178	#sub post_load { } # XS
1472		2179
1473	sub load {	2180	sub load {
1474	my ($self) = @_;	2181	my ($self) = @_;
1475		2182
1476	local $self->{deny_reset} = 1; # loading can take a long time	2183	local $self->{deny_reset} = 1; # loading can take a long time
1477		2184
1478	my $path = $self->{path};	2185	my $path = $self->{path};
		2186
		2187	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2188	my $guard = cf::lock_acquire "map_data:$path";
1480		2189
		2190	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2191	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2192
1483	$self->in_memory (cf::MAP_LOADING);	2193	$self->in_memory (cf::MAP_LOADING);
1484		2194
1485	$self->alloc;	2195	$self->alloc;
1486		2196
1487	$self->pre_load;	2197	$self->pre_load;
1488	Coro::cede;	2198	cf::cede_to_tick;
1489		2199
1490	$self->_load_objects ($self->{load_path}, 1)	2200	if (exists $self->{load_path}) {
		2201	my $f = new_from_file cf::object::thawer $self->{load_path};
		2202	$f->skip_block;
		2203	$self->_load_objects ($f)
1491	or return;	2204	or return;
1492		2205
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2206	$self->post_load_original
1494	if delete $self->{load_original};	2207	if delete $self->{load_original};
1495		2208
1496	if (my $uniq = $self->uniq_path) {	2209	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2210	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2211	unless (aio_stat $uniq) {
		2212	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2213	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2214	$self->_load_objects ($f);
		2215	$f->resolve_delayed_derefs;
		2216	}
		2217	}
1501	}	2218	}
1502	}
1503		2219
1504	Coro::cede;	2220	$f->resolve_delayed_derefs;
		2221	} else {
		2222	$self->post_load_original
		2223	if delete $self->{load_original};
		2224	}
		2225
		2226	cf::cede_to_tick;
1505	# now do the right thing for maps	2227	# now do the right thing for maps
1506	$self->link_multipart_objects;	2228	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2229	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2230	unless $self->difficulty;
1517	Coro::cede;	2231	cf::cede_to_tick;
		2232
		2233	unless ($self->{deny_activate}) {
		2234	$self->decay_objects;
		2235	$self->fix_auto_apply;
		2236	$self->update_buttons;
		2237	cf::cede_to_tick;
1518	$self->activate;	2238	$self->activate;
1519	Coro::cede;	2239	}
		2240
		2241	$self->{last_save} = $cf::RUNTIME;
		2242	$self->last_access ($cf::RUNTIME);
		2243
		2244	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2245	}
1521		2246
1522	$self->post_load;	2247	$self->post_load;
1523	Coro::cede;
1524		2248
1525	$self->in_memory (cf::MAP_IN_MEMORY);	2249	1
1526	}	2250	}
1527		2251
		2252	# customize the map for a given player, i.e.
		2253	# return the _real_ map. used by e.g. per-player
		2254	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2255	sub customise_for {
1529	my ($self, $ob) = @_;	2256	my ($self, $ob) = @_;
1530		2257
1531	return find "~" . $ob->name . "/" . $self->{path}	2258	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2259	if $self->per_player;
1533		2260
		2261	# return find "?party/" . $ob->name . "/" . $self->{path}
		2262	# if $self->per_party;
		2263
1534	$self	2264	$self
1535	}	2265	}
1536		2266
1537	# find and load all maps in the 3x3 area around a map	2267	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2268	sub load_neighbours {
1539	my ($map) = @_;	2269	my ($map) = @_;
1540		2270
1541	my @diag; # diagonal neighbours	2271	my @neigh; # diagonal neighbours
1542		2272
1543	for (0 .. 3) {	2273	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2274	my $neigh = $map->tile_path ($_)
1545	or next;	2275	or next;
1546	$neigh = find $neigh, $map	2276	$neigh = find $neigh, $map
1547	or next;	2277	or next;
1548	$neigh->load;	2278	$neigh->load;
1549		2279
		2280	# now find the diagonal neighbours
		2281	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2282	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2283	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2284	}
1553		2285
1554	for (@diag) {	2286	for (grep defined $_->[0], @neigh) {
		2287	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2288	my $neigh = find $path, $origin
1556	or next;	2289	or next;
1557	$neigh->load;	2290	$neigh->load;
1558	}	2291	}
1559	}	2292	}
1560		2293
1561	sub find_sync {	2294	sub find_sync {
1562	my ($path, $origin) = @_;	2295	my ($path, $origin) = @_;
1563		2296
1564	cf::sync_job { find $path, $origin }	2297	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2298	if $Coro::current == $Coro::main;
		2299
		2300	find $path, $origin
1565	}	2301	}
1566		2302
1567	sub do_load_sync {	2303	sub do_load_sync {
1568	my ($map) = @_;	2304	my ($map) = @_;
1569		2305
1570	cf::sync_job { $map->load };	2306	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2307	if $Coro::current == $Coro::main;
		2308
		2309	$map->load;
1571	}	2310	}
1572		2311
1573	our %MAP_PREFETCH;	2312	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2313	our $MAP_PREFETCHER = undef;
1575		2314
1576	sub find_async {	2315	sub find_async {
1577	my ($path, $origin) = @_;	2316	my ($path, $origin, $load) = @_;
1578		2317
1579	$path = normalise $path, $origin && $origin->{path};	2318	$path = normalise $path, $origin;
1580		2319
1581	if (my $map = $cf::MAP{$path}) {	2320	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2321	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2322	}
1584		2323
1585	undef $MAP_PREFETCH{$path};	2324	$MAP_PREFETCH{$path} |= $load;
		2325
1586	$MAP_PREFETCHER ||= cf::async {	2326	$MAP_PREFETCHER ||= cf::async {
		2327	$Coro::current->{desc} = "map prefetcher";
		2328
1587	while (%MAP_PREFETCH) {	2329	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2330	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2331	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2332	$map->load if $v;
		2333	}
1592		2334
1593	delete $MAP_PREFETCH{$path};	2335	delete $MAP_PREFETCH{$k};
1594	}	2336	}
1595	}	2337	}
1596	undef $MAP_PREFETCHER;	2338	undef $MAP_PREFETCHER;
1597	};	2339	};
1598	$MAP_PREFETCHER->prio (6);	2340	$MAP_PREFETCHER->prio (6);
1599		2341
1600	()	2342	()
1601	}	2343	}
1602		2344
		2345	# common code, used by both ->save and ->swapout
1603	sub save {	2346	sub _save {
1604	my ($self) = @_;	2347	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2348
1608	$self->{last_save} = $cf::RUNTIME;	2349	$self->{last_save} = $cf::RUNTIME;
1609		2350
1610	return unless $self->dirty;	2351	return unless $self->dirty;
1611		2352
…		…
1617	return if $self->{deny_save};	2358	return if $self->{deny_save};
1618		2359
1619	local $self->{last_access} = $self->last_access;#d#	2360	local $self->{last_access} = $self->last_access;#d#
1620		2361
1621	cf::async {	2362	cf::async {
		2363	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2364	$_->contr->save for $self->players;
1623	};	2365	};
		2366
		2367	cf::get_slot 0.02;
1624		2368
1625	if ($uniq) {	2369	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2370	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2371	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2372	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2373	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2374	}
1631	}	2375	}
1632		2376
		2377	sub save {
		2378	my ($self) = @_;
		2379
		2380	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2381
		2382	$self->_save;
		2383	}
		2384
1633	sub swap_out {	2385	sub swap_out {
1634	my ($self) = @_;	2386	my ($self) = @_;
1635		2387
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2389
		2390	return if $self->in_memory != cf::MAP_ACTIVE;
		2391	return if $self->{deny_save};
1641	return if $self->players;	2392	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2393
		2394	# first deactivate the map and "unlink" it from the core
		2395	$self->deactivate;
		2396	$_->clear_links_to ($self) for values %cf::MAP;
		2397	$self->in_memory (cf::MAP_SWAPPED);
		2398
		2399	# then atomically save
		2400	$self->_save;
		2401
		2402	# then free the map
1645	$self->clear;	2403	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2404	}
1648		2405
1649	sub reset_at {	2406	sub reset_at {
1650	my ($self) = @_;	2407	my ($self) = @_;
1651		2408
1652	# TODO: safety, remove and allow resettable per-player maps	2409	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2410	return 1e99 if $self->{deny_reset};
1655		2411
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2412	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2413	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2414
…		…
1669	my ($self) = @_;	2425	my ($self) = @_;
1670		2426
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2427	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2428
1673	return if $self->players;	2429	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2430
1676	warn "resetting map ", $self->path;#d#	2431	cf::trace "resetting map ", $self->path, "\n";
1677		2432
1678	$self->in_memory (cf::MAP_SWAPPED);	2433	$self->in_memory (cf::MAP_SWAPPED);
1679		2434
1680	# need to save uniques path	2435	# need to save uniques path
1681	unless ($self->{deny_save}) {	2436	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2440	if $uniq;
1686	}	2441	}
1687		2442
1688	delete $cf::MAP{$self->path};	2443	delete $cf::MAP{$self->path};
1689		2444
		2445	$self->deactivate;
		2446	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2447	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2448
1694	$self->unlink_save;	2449	$self->unlink_save;
1695	$self->destroy;	2450	$self->destroy;
1696	}	2451	}
1697		2452
1698	my $nuke_counter = "aaaa";	2453	my $nuke_counter = "aaaa";
1699		2454
1700	sub nuke {	2455	sub nuke {
1701	my ($self) = @_;	2456	my ($self) = @_;
1702		2457
		2458	{
		2459	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2460
1703	delete $cf::MAP{$self->path};	2461	delete $cf::MAP{$self->path};
1704		2462
1705	$self->unlink_save;	2463	$self->unlink_save;
1706		2464
1707	bless $self, "cf::map";	2465	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2466	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2467	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2468	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2469	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2470
1713	$cf::MAP{$self->path} = $self;	2471	$cf::MAP{$self->path} = $self;
		2472	}
1714		2473
1715	$self->reset; # polite request, might not happen	2474	$self->reset; # polite request, might not happen
		2475	}
		2476
		2477	=item $maps = cf::map::tmp_maps
		2478
		2479	Returns an arrayref with all map paths of currently instantiated and saved
		2480	maps. May block.
		2481
		2482	=cut
		2483
		2484	sub tmp_maps() {
		2485	[
		2486	map {
		2487	utf8::decode $_;
		2488	/\.map$/
		2489	? normalise $_
		2490	: ()
		2491	} @{ aio_readdir $TMPDIR or [] }
		2492	]
		2493	}
		2494
		2495	=item $maps = cf::map::random_maps
		2496
		2497	Returns an arrayref with all map paths of currently instantiated and saved
		2498	random maps. May block.
		2499
		2500	=cut
		2501
		2502	sub random_maps() {
		2503	[
		2504	map {
		2505	utf8::decode $_;
		2506	/\.map$/
		2507	? normalise "?random/$_"
		2508	: ()
		2509	} @{ aio_readdir $RANDOMDIR or [] }
		2510	]
1716	}	2511	}
1717		2512
1718	=item cf::map::unique_maps	2513	=item cf::map::unique_maps
1719		2514
1720	Returns an arrayref of paths of all shared maps that have	2515	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2516	instantiated unique items. May block.
1722		2517
1723	=cut	2518	=cut
1724		2519
1725	sub unique_maps() {	2520	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2521	[
1727	or return;	2522	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2523	utf8::decode $_;
1733	next if /\.pst$/;	2524	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2525	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2526	? ()
1736	push @paths, cf::map::normalise $_;	2527	: normalise $_
		2528	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2529	]
1738
1739	\@paths
1740	}	2530	}
1741		2531
1742	package cf;	2532	=item cf::map::static_maps
		2533
		2534	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2535	file in the shared directory excluding F</styles> and F</editor>). May
		2536	block.
		2537
		2538	=cut
		2539
		2540	sub static_maps() {
		2541	my @dirs = "";
		2542	my @maps;
		2543
		2544	while (@dirs) {
		2545	my $dir = shift @dirs;
		2546
		2547	next if $dir eq "/styles" || $dir eq "/editor";
		2548
		2549	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2550	or return;
		2551
		2552	for (@$files) {
		2553	s/\.map$// or next;
		2554	utf8::decode $_;
		2555	push @maps, "$dir/$_";
		2556	}
		2557
		2558	push @dirs, map "$dir/$_", @$dirs;
		2559	}
		2560
		2561	\@maps
		2562	}
1743		2563
1744	=back	2564	=back
1745		2565
1746	=head3 cf::object	2566	=head3 cf::object
1747		2567
…		…
1751		2571
1752	=over 4	2572	=over 4
1753		2573
1754	=item $ob->inv_recursive	2574	=item $ob->inv_recursive
1755		2575
1756	Returns the inventory of the object _and_ their inventories, recursively.	2576	Returns the inventory of the object I<and> their inventories, recursively,
		2577	but I<not> the object itself.
1757		2578
1758	=cut	2579	=cut
1759		2580
1760	sub inv_recursive_;	2581	sub inv_recursive_;
1761	sub inv_recursive_ {	2582	sub inv_recursive_ {
…		…
1764		2585
1765	sub inv_recursive {	2586	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2587	inv_recursive_ inv $_[0]
1767	}	2588	}
1768		2589
		2590	=item $ref = $ob->ref
		2591
		2592	Creates and returns a persistent reference to an object that can be stored as a string.
		2593
		2594	=item $ob = cf::object::deref ($refstring)
		2595
		2596	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2597	even if the object actually exists. May block.
		2598
		2599	=cut
		2600
		2601	sub deref {
		2602	my ($ref) = @_;
		2603
		2604	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2605	my ($uuid, $name) = ($1, $2);
		2606	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2607	or return;
		2608	$pl->ob->uuid eq $uuid
		2609	or return;
		2610
		2611	$pl->ob
		2612	} else {
		2613	warn "$ref: cannot resolve object reference\n";
		2614	undef
		2615	}
		2616	}
		2617
1769	package cf;	2618	package cf;
1770		2619
1771	=back	2620	=back
1772		2621
1773	=head3 cf::object::player	2622	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2629	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2630	dialogue with the given NPC character.
1782		2631
1783	=cut	2632	=cut
		2633
		2634	our $SAY_CHANNEL = {
		2635	id => "say",
		2636	title => "Map",
		2637	reply => "say ",
		2638	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2639	};
		2640
		2641	our $CHAT_CHANNEL = {
		2642	id => "chat",
		2643	title => "Chat",
		2644	reply => "chat ",
		2645	tooltip => "Player chat and shouts, global to the server.",
		2646	};
1784		2647
1785	# rough implementation of a future "reply" method that works	2648	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2649	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2650	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2651	sub cf::object::player::reply($$$;$) {
…		…
1790		2653
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2655
1793	if ($self->{record_replies}) {	2656	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2658
1795	} else {	2659	} else {
		2660	my $pl = $self->contr;
		2661
		2662	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2663	my $dialog = $pl->{npc_dialog};
		2664	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2665
		2666	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2667	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2668	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2669	}
1798	}	2670	}
		2671	}
		2672
		2673	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2674
		2675	=cut
		2676
		2677	sub cf::object::send_msg {
		2678	my $pl = shift->contr
		2679	or return;
		2680	$pl->send_msg (@_);
1799	}	2681	}
1800		2682
1801	=item $player_object->may ("access")	2683	=item $player_object->may ("access")
1802		2684
1803	Returns wether the given player is authorized to access resource "access"	2685	Returns wether the given player is authorized to access resource "access"
…		…
1816		2698
1817	=item $player_object->enter_link	2699	=item $player_object->enter_link
1818		2700
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2701	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2702
1821	The player should be reasonably safe there for short amounts of time. You	2703	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2704	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2705	though, as the player cannot control the character while it is on the link
		2706	map.
1823		2707
1824	Will never block.	2708	Will never block.
1825		2709
1826	=item $player_object->leave_link ($map, $x, $y)	2710	=item $player_object->leave_link ($map, $x, $y)
1827		2711
…		…
1847	sub cf::object::player::enter_link {	2731	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2732	my ($self) = @_;
1849		2733
1850	$self->deactivate_recursive;	2734	$self->deactivate_recursive;
1851		2735
		2736	++$self->{_link_recursion};
		2737
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2738	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2739
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2740	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2741	if $self->map && $self->map->{path} ne "{link}";
1856		2742
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2743	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2744	}
1859		2745
1860	sub cf::object::player::leave_link {	2746	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2747	my ($self, $map, $x, $y) = @_;
		2748
		2749	return unless $self->contr->active;
1862		2750
1863	my $link_pos = delete $self->{_link_pos};	2751	my $link_pos = delete $self->{_link_pos};
1864		2752
1865	unless ($map) {	2753	unless ($map) {
1866	# restore original map position	2754	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2765	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2766	unless (defined $x) && (defined $y);
1879		2767
1880	# use -1 or undef as default coordinates, not 0, 0	2768	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2769	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2770	if $x <= 0 && $y <= 0;
1883		2771
1884	$map->load;	2772	$map->load;
1885	$map->load_diag;	2773	$map->load_neighbours;
1886		2774
1887	return unless $self->contr->active;	2775	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2776
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2777	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2778	if ($self->enter_map ($map, $x, $y)) {
1892	}	2779	# entering was successful
1893		2780	delete $self->{_link_recursion};
1894	cf::player->attach (	2781	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2782	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2783	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2784
1908	# try to abort aborted map switching on player login :)	2785	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2786
1926	=item $player_object->goto ($path, $x, $y)	2787	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2788
		2789	Moves the player to the given map-path and coordinates by first freezing
		2790	her, loading and preparing them map, calling the provided $check callback
		2791	that has to return the map if sucecssful, and then unfreezes the player on
		2792	the new (success) or old (failed) map position. In either case, $done will
		2793	be called at the end of this process.
		2794
		2795	Note that $check will be called with a potentially non-loaded map, so if
		2796	it needs a loaded map it has to call C<< ->load >>.
		2797
1928	=cut	2798	=cut
		2799
		2800	our $GOTOGEN;
1929		2801
1930	sub cf::object::player::goto {	2802	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2803	my ($self, $path, $x, $y, $check, $done) = @_;
		2804
		2805	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2806	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2807	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2808	($path, $x, $y) = @$EMERGENCY_POSITION;
		2809	}
		2810
		2811	# do generation counting so two concurrent goto's will be executed in-order
		2812	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2813
1933	$self->enter_link;	2814	$self->enter_link;
1934		2815
1935	(async {	2816	(async {
		2817	$Coro::current->{desc} = "player::goto $path $x $y";
		2818
		2819	# *tag paths override both path and x|y
		2820	if ($path =~ /^\*(.*)$/) {
		2821	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2822	my $ob = $obs[rand @obs];
		2823
		2824	# see if we actually can go there
		2825	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2826	$ob = $obs[rand @obs];
		2827	} else {
		2828	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	}
		2830	# else put us there anyways for now #d#
		2831
		2832	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2833	} else {
		2834	($path, $x, $y) = (undef, undef, undef);
		2835	}
		2836	}
		2837
1936	my $map = eval {	2838	my $map = eval {
1937	my $map = cf::map::find $path;	2839	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2840
		2841	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2842	$map = $map->customise_for ($self);
		2843	$map = $check->($map, $x, $y, $self) if $check && $map;
		2844	} else {
		2845	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	}
		2847
1939	$map	2848	$map
		2849	};
		2850
		2851	if ($@) {
		2852	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2854	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2855
		2856	if ($gen == $self->{_goto_generation}) {
		2857	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2858	$self->leave_link ($map, $x, $y);
		2859	}
		2860
		2861	$done->($self) if $done;
1944	})->prio (1);	2862	})->prio (1);
1945	}	2863	}
1946		2864
1947	=item $player_object->enter_exit ($exit_object)	2865	=item $player_object->enter_exit ($exit_object)
1948		2866
…		…
1968	}	2886	}
1969		2887
1970	sub prepare_random_map {	2888	sub prepare_random_map {
1971	my ($exit) = @_;	2889	my ($exit) = @_;
1972		2890
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2891	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2892	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2893	# that depends on the exit object
1978		2894
1979	my $rmp = parse_random_map_params $exit->msg;	2895	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2897	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2898	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2899	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2900	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2901	$rmp->{origin_y} = $exit->y;
		2902
		2903	$exit->map->touch;
1986	}	2904	}
1987		2905
1988	$rmp->{random_seed} ||= $exit->random_seed;	2906	$rmp->{random_seed} ||= $exit->random_seed;
1989		2907
1990	my $data = cf::to_json $rmp;	2908	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2909	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2910	my $meta = "$RANDOMDIR/$md5.meta";
1993		2911
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2912	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2913	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2914	undef $fh;
1997	aio_rename "$meta~", $meta;	2915	aio_rename "$meta~", $meta;
1998		2916
		2917	my $slaying = "?random/$md5";
		2918
		2919	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2920	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2921	$exit->msg (undef);
		2922	}
2001	}	2923	}
2002	}	2924	}
2003		2925
2004	sub cf::object::player::enter_exit {	2926	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2927	my ($self, $exit) = @_;
2006		2928
2007	return unless $self->type == cf::PLAYER;	2929	return unless $self->type == cf::PLAYER;
2008		2930
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2931	$self->enter_link;
2021		2932
2022	(async {	2933	(async {
2023	$self->deactivate_recursive; # just to be sure	2934	$Coro::current->{desc} = "enter_exit";
		2935
2024	unless (eval {	2936	unless (eval {
		2937	$self->deactivate_recursive; # just to be sure
		2938
		2939	# random map handling
		2940	{
		2941	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2942
		2943	prepare_random_map $exit
		2944	if $exit->slaying eq "/!";
		2945	}
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
2025	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2026		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2027	1;	2957	1
2028	}) {	2958	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2963
2034	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2965	$self->leave_link;
2036	}	2966	}
2037	})->prio (1);	2967	})->prio (1);
2038	}	2968	}
2039		2969
…		…
2053		2983
2054	utf8::encode $text;	2984	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2986	}
2057		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
		3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3014
		3015	Send a drawinfo or msg packet to the client, formatting the msg for the
		3016	client if neccessary. C<$type> should be a string identifying the type of
		3017	the message, with C<log> being the default. If C<$color> is negative, suppress
		3018	the message unless the client supports the msg packet.
		3019
		3020	=cut
		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
		3136	sub cf::client::send_msg {
		3137	my ($self, $channel, $msg, $color, @extra) = @_;
		3138
		3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
2058	=item $client->ext_event ($type, %msg)	3175	=item $client->ext_msg ($type, @msg)
2059		3176
2060	Sends an exti event to the client.	3177	Sends an ext event to the client.
2061		3178
2062	=cut	3179	=cut
2063		3180
2064	sub cf::client::ext_event($$%) {	3181	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3182	my ($self, $type, @msg) = @_;
2066		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3187	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
2069	}	3208	}
2070		3209
2071	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2072		3211
2073	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3213	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3214	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3215
2077	Queries can fail, so check the return code. Or don't, as queries will become	3216	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3217	become reliable at some point in the future.
2079		3218
2080	=cut	3219	=cut
2081		3220
2082	sub cf::client::query {	3221	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3230	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3232
2094	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
2096	}	3237	}
2097		3238
2098	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
2099	on_reply => sub {	3245	on_reply => sub {
2100	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
2101		3247
2102	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
2103	# get handled first	3249	# get handled first
…		…
2115	} else {	3261	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3263	}
2118	}	3264	}
2119	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($ns, $buf) = @_;
		3268
		3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3270
		3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
		3279	if (my $cb = $EXTICMD{$type}) {
		3280	@reply = $cb->($ns, @payload);
		3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
		3286	} else {
		3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3288	}
		3289
		3290	cf::override;
		3291	},
2120	);	3292	);
2121		3293
2122	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
2123		3295
2124	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3312
2141	$coro	3313	$coro
2142	}	3314	}
2143		3315
2144	cf::client->attach (	3316	cf::client->attach (
2145	on_destroy => sub {	3317	on_client_destroy => sub {
2146	my ($ns) = @_;	3318	my ($ns) = @_;
2147		3319
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3321	},
2150	);	3322	);
…		…
2165	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2167		3339
2168	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2169		3341
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2171		3347
2172	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2173		3349
2174	=pod	3350	=pod
2175		3351
2176	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2177		3353
2178	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2179	cf::object::player player	3359	cf::object::player
2180	cf::player peaceful	3360	player
2181	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2182		3367
2183	=cut	3368	=cut
2184		3369
2185	for (	3370	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2190	) {	3377	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3380	for @funs;
2195	}	3381	}
2196		3382
…		…
2211		3397
2212	my $qcode = $code;	3398	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2215		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2216	local $_;	3405	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3406
2219	my $eval =	3407	my $eval =
2220	"do {\n"	3408	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3411	. $code
2224	. "\n}"	3412	. "\n}"
2225	;	3413	;
2226		3414
		3415	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2230		3424
2231	if ($@) {	3425	if ($@) {
2232	warn "$@";	3426	warn "$@",
2233	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2235	}	3429	}
2236		3430
2237	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2238	}	3432	}
2239		3433
…		…
2253	=cut	3447	=cut
2254		3448
2255	sub register_script_function {	3449	sub register_script_function {
2256	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2257		3451
2258	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2260	}	3454	}
2261		3455
2262	=back	3456	=back
2263		3457
2264	=cut	3458	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3459
2435	#############################################################################	3460	#############################################################################
2436	# the server's init and main functions	3461	# the server's init and main functions
2437		3462
2438	sub load_facedata($) {	3463	sub load_facedata($) {
2439	my ($path) = @_;	3464	my ($path) = @_;
2440		3465
		3466	# HACK to clear player env face cache, we need some signal framework
		3467	# for this (global event?)
		3468	%ext::player_env::MUSIC_FACE_CACHE = ();
		3469
		3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3471
2441	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
2442		3473
2443	my $facedata;	3474	my $facedata = decode_storable load_file $path;
2444	0 < aio_load $path, $facedata
2445	or die "$path: $!";
2446
2447	$facedata = Coro::Storable::thaw $facedata;
2448		3475
2449	$facedata->{version} == 2	3476	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3478
		3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3481	$facedata->{resource}{"res/exp_table"} = {
		3482	type => FT_RSRC,
		3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
		3485	};
		3486	cf::cede_to_tick;
		3487
2452	{	3488	{
2453	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
2454		3490
2455	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3499
		3500	cf::cede_to_tick;
2461	}	3501	}
2462		3502
2463	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
2465	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
2466	or next;	3507	or next;
		3508
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3512	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3514	}
2472	Coro::cede;	3515
		3516	cf::cede_to_tick;
2473	}	3517	}
2474	}	3518	}
2475		3519
2476	{	3520	{
2477	my $anims = $facedata->{animinfo};	3521	my $anims = $facedata->{animinfo};
2478		3522
2479	while (my ($anim, $info) = each %$anims) {	3523	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3525	cf::cede_to_tick;
2482	}	3526	}
2483		3527
2484	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
2485	}	3529	}
2486		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
2487	1	3550	1
2488	}	3551	}
2489		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
		3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
		3576	load_resource_file "$MAPDIR/regions"
		3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
		3583	}
		3584
2490	sub reload_facedata {	3585	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3586	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3587	or die "unable to load facedata\n";
2493	}	3588	}
2494		3589
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3590	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3591	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3592	or die "unable to load archetypes\n";
2503	}	3593	}
2504		3594
2505	sub reload_treasures {	3595	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3596	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
2508	}	3598	}
2509		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
2510	sub reload_resources {	3620	sub reload_resources {
2511	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
2512		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
2513	reload_regions;	3628	reload_regions;
2514	reload_facedata;
2515	reload_archetypes;
2516	reload_treasures;	3629	reload_treasures;
2517		3630
2518	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
2519	}	3632	}
2520		3633
2521	sub init {	3634	sub reload_config {
2522	reload_resources;	3635	trace "reloading config file...\n";
2523	}
2524		3636
2525	sub cfg_load {	3637	my $config = load_file "$CONFDIR/config";
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3638	utf8::decode $config;
2527	or return;	3639	*CFG = decode_yaml $config;
2528		3640
2529	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;
2531
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2533		3642
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2536		3645
2537	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2541	};	3650	};
2542	warn $@ if $@;	3651	warn $@ if $@;
2543	}	3652	}
2544	}	3653	}
2545		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
2546	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2547	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3696	(async {
2551	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2553	};	3700	};
2554		3701
2555	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
2556	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2557	load_extensions;	3725	load_extensions;
2558		3726
2559	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2561	}	3745	}
2562		3746
2563	#############################################################################	3747	#############################################################################
2564	# initialisation and cleanup	3748	# initialisation and cleanup
2565		3749
2566	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2567	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2576	},
2577	);	3756	};
		3757	}
		3758	}
		3759
		3760	sub write_runtime_sync {
		3761	my $t0 = AE::time;
		3762
		3763	# first touch the runtime file to show we are still running:
		3764	# the fsync below can take a very very long time.
		3765
		3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3767
		3768	my $guard = cf::lock_acquire "write_runtime";
		3769
		3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3771	or return;
		3772
		3773	my $value = $cf::RUNTIME + 90 + 10;
		3774	# 10 is the runtime save interval, for a monotonic clock
		3775	# 60 allows for the watchdog to kill the server.
		3776
		3777	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3778	and return;
		3779
		3780	# always fsync - this file is important
		3781	aio_fsync $fh
		3782	and return;
		3783
		3784	# touch it again to show we are up-to-date
		3785	aio_utime $fh, undef, undef;
		3786
		3787	close $fh
		3788	or return;
		3789
		3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3791	and return;
		3792
		3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3794
2578	}	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2579	}	3846	}
2580		3847
2581	sub emergency_save() {	3848	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2583		3850
2584	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2585		3857
2586	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2587	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3869	$pl->save;
2595	}	3870	}
2596	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2597		3872
2598	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3878	$map->valid or next;
2602	$map->save;	3879	$map->save;
2603	}	3880	}
2604	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2605		3882
2606	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2609	};	3911	};
2610		3912
2611	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2612	}	3914	}
2613		3915
2614	sub post_cleanup {	3916	sub post_cleanup {
2615	my ($make_core) = @_;	3917	my ($make_core) = @_;
2616		3918
		3919	IO::AIO::flush;
		3920
2617	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
2619	}	3951	}
2620		3952
2621	sub do_reload_perl() {	3953	sub do_reload_perl() {
2622	# can/must only be called in main	3954	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2624	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2625	return;	3957	return;
2626	}	3958	}
2627		3959
2628	warn "reloading...";	3960	return if $RELOAD++;
2629		3961
2630	warn "entering sync_job";	3962	my $t1 = AE::time;
2631		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
2632	cf::sync_job {	3970	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark
2634	cf::emergency_save;	3971	#cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark
2636		3972
2637	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;
2639
2640	# if anything goes wrong in here, we should simply crash as we already saved
2641
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();	3975	%EXT_CORO = ();
2661		3976
2662	warn "removing commands";	3977	trace "perl_reload: removing commands";
2663	%COMMAND = ();	3978	%COMMAND = ();
2664		3979
2665	warn "removing ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2666	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2667		3983
2668	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2671		3987
2672	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2673	eval {	3989	eval {
2674	$cb->($pkg);	3990	$cb->($pkg);
2675	1	3991	1
2676	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2677	}	3997	}
2678		3998
2679	warn "... nuking $pkg";
2680	Symbol::delete_package $pkg;
2681	}
2682
2683	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2684	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		4002
2687	warn "... unloading $k";	4003	trace "... unloading $k";
2688	delete $INC{$k};	4004	delete $INC{$k};
2689		4005
2690	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2692		4008
2693	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2694	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2695	}	4014	}
2696		4015
2697	Symbol::delete_package $k;
2698	}
2699
2700	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		4019
2704	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
		4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2706		4023
2707	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2708	# and global variables created in xs	4025	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2710		4027
2711	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2712		4029
2713	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2714	require cf;	4031	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2716		4033
2717	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2718	cf::cfg_load;	4035	cf::reload_config;
2719		4036
2720	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2721	cf::load_extensions;	4038	cf::load_extensions;
2722		4039
		4040	if ($REATTACH_ON_RELOAD) {
2723	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2724	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
2725	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2726	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
2727	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
2728	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
2729		4048
2730	warn "leaving sync_job";	4049	cf::_post_init 1;
2731		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
2732	1	4053	1
2733	} or do {	4054	} or do {
2734	warn $@;	4055	error $@;
2735	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
2736	exit 1;	4057	};
		4058
		4059	--$RELOAD;
2737	};	4060	}
2738		4061
2739	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
2740	};	4064	};
2741		4065
2742	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
2743		4067
2744	sub reload_perl() {	4068	sub reload_perl() {
2745	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
2746	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
2747		4071
2748	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
2749	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
2750	after => 0,	4074
2751	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2752	cb => sub {
2753	do_reload_perl;	4076	do_reload_perl;
2754	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
2755	},	4078	};
2756	);	4079	};
2757	}	4080	}
2758		4081
2759	register_command "reload" => sub {	4082	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2761		4084
2762	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	4089	reload_perl;
		4090	};
2765	}	4091	}
2766	};	4092	};
2767		4093
2768	unshift @INC, $LIBDIR;	4094	#############################################################################
2769		4095
2770	my $bug_warning = 0;	4096	my $bug_warning = 0;
2771		4097
2772	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
2773	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
2774		4100
2775	sub wait_for_tick {	4101	sub wait_for_tick() {
2776	return unless $TICK_WATCHER->is_active;
2777	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2778		4103
2779	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
2780	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
2781	$signal->wait;	4106	$signal->wait;
2782	}	4107	}
2783		4108
2784	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
2785	return unless $TICK_WATCHER->is_active;
2786	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2787		4111
2788	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	4114	$signal->wait;
2791	}	4115	}
2792		4116
2793	$TICK_WATCHER = Event->timer (	4117	sub tick {
2794	reentrant => 0,
2795	parked => 1,
2796	prio => 0,
2797	at => $NEXT_TICK || $TICK,
2798	data => WF_AUTOCANCEL,
2799	cb => sub {
2800	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
2803	return;	4121	return;
2804	}	4122	}
2805		4123
2806	$NOW = Event::time;
2807
2808	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2809		4125
2810	$RUNTIME += $TICK;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2811	$NEXT_TICK += $TICK;
2812		4127
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2815	Coro::async_pool {	4130	Coro::async_pool {
		4131	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	4132	write_runtime_sync
2817	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2818	};
2819	}	4134	};
		4135	}
2820		4136
2821	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#
2823
2824	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2826
2827	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;
2829
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831	$sig->send;	4138	$sig->send;
2832	}	4139	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;	4141	$sig->send;
2835	}
2836
2837	_post_tick;
2838	},	4142	}
2839	);	4143
		4144	$LOAD = ($NOW - $TICK_START) / $TICK;
		4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4146
		4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
		4153	}
		4154	}
2840		4155
2841	{	4156	{
2842	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
2843	$BDB_POLL_WATCHER = Event->io (	4158
2844	reentrant => 0,
2845	fd => BDB::poll_fileno,
2846	poll => 'r',
2847	prio => 0,
2848	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,
2850	);
2851	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
2852		4160	BDB::max_poll_reqs $TICK * 0.1;
2853	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
2854	my $status;
2855	my $current = $Coro::current;
2856	(
2857	sub {
2858	$status = $!;
2859	$current->ready; undef $current;
2860	},
2861	sub {
2862	Coro::schedule while defined $current;
2863	$! = $status;
2864	},
2865	)
2866	};
2867		4162
2868	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2870		4170
2871	cf::sync_job {	4171	cf::sync_job {
2872	eval {	4172	eval {
2873	BDB::db_env_open	4173	BDB::db_env_open
2874	$DB_ENV,	4174	$DB_ENV,
2875	$BDB_ENV_DIR,	4175	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	4178	0666;
2879		4179
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	4181	};
2885		4182
2886	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	4184	};
2888	}	4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
2889	}	4196	}
2890		4197
2891	{	4198	{
		4199	# configure IO::AIO
		4200
2892	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
2893
2894	undef $Coro::AIO::WATCHER;
2895	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
2896	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
2897	reentrant => 0,	4204	}
2898	data => WF_AUTOCANCEL,	4205
2899	fd => IO::AIO::poll_fileno,	4206	our $_log_backtrace;
2900	poll => 'r',	4207	our $_log_backtrace_last;
2901	prio => 6,	4208
2902	cb => \&IO::AIO::poll_cb,	4209	sub _log_backtrace {
2903	);	4210	my ($msg, @addr) = @_;
		4211
		4212	$msg =~ s/\n$//;
		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4217	# limit the # of concurrent backtraces
		4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
		4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
		4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
		4225	my @bt = fork_call {
		4226	@addr = map { sprintf "%x", $_ } @addr;
		4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4229	or die "addr2line: $!";
		4230
		4231	my @funcs;
		4232	my @res = <$fh>;
		4233	chomp for @res;
		4234	while (@res) {
		4235	my ($func, $line) = splice @res, 0, 2, ();
		4236	push @funcs, "[$func] $line";
		4237	}
		4238
		4239	@funcs
		4240	};
		4241
		4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4244	LOG llevInfo, "[ABT] $_\n" for @bt;
		4245	--$_log_backtrace;
		4246	};
		4247	} else {
		4248	LOG llevInfo, "[ABT] $msg\n";
		4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4250	}
2904	}	4251	}
2905		4252
2906	# load additional modules	4253	# load additional modules
2907	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
2908		4256
2909	END { cf::emergency_save }	4257	END { cf::emergency_save }
2910		4258
2911	1	4259	1
2912		4260

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