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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.570 by root, Wed May 4 07:41:14 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	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;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	123	our $NEXT_TICK;
50	our $NOW;	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
51		132
52	our %CFG;	133	our %CFG;
53		134
54	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
56		138
57	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	141	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		142
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	143	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $REALLY_UNLOOP; # never set to true, please :)
64		155
65	binmode STDOUT;	156	binmode STDOUT;
66	binmode STDERR;	157	binmode STDERR;
67		158
68	# read virtual server time, if available	159	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
73	}	164	}
74		165
75	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		167
81	# a special map that is always available	168	mkdir $_
82	our $LINK_MAP;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		170
83	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
		172
		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::"} };
84		189
85	#############################################################################	190	#############################################################################
86		191
87	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
88		193
…		…
95	=item $cf::RUNTIME	200	=item $cf::RUNTIME
96		201
97	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
98	every server tick.	203	every server tick.
99		204
100	=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
101		208
102	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		213
105	=item $cf::NOW	214	=item $cf::NOW
106		215
107	The time of the last (current) server tick.	216	The time of the last (current) server tick.
108		217
109	=item $cf::TICK	218	=item $cf::TICK
110		219
111	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
112		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
113	=item %cf::CFG	232	=item %cf::CFG
114		233
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	235	from wherever your confdir points to.
117		236
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		238
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
122	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
124		259
125	=back	260	=back
126		261
127	=cut	262	=cut
128		263
129	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
130	*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 {
131	my $msg = join "", @_;	271	my $msg = join "", @_;
132	utf8::encode $msg;
133		272
134	$msg .= "\n"	273	$msg .= "\n"
135	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
136		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
137	LOG llevError, $msg;	278	LOG llevWarn, $msg;
138	};	279	};
139	}	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	};
140		294
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		302
148	# 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
149	# within the Safe compartment.	304	# within the Safe compartment.
150	for my $pkg (qw(	305	for my $pkg (qw(
151	cf::global cf::attachable	306	cf::global cf::attachable
152	cf::object cf::object::player	307	cf::object cf::object::player
153	cf::client cf::player	308	cf::client cf::player
154	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
155	cf::map cf::party cf::region	311	cf::party cf::region
156	)) {	312	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	314	}
160		315
161	$Event::DIED = sub {	316	$EV::DIED = sub {
162	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
163	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
164		326
165	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
166		328
167	=over 4	329	=over 4
168		330
…		…
187	$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;
188	$d	350	$d
189	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
190	}	352	}
191		353
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
193		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
194	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
195		369
196	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
197		371
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
206		373
207	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
208		375
209	=cut	376	=cut
210		377
211	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
213	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
214	}	443	}
215		444
216	=item cf::lock_wait $string	445	=item cf::lock_wait $string
217		446
218	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
219		448
220	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
221		450
222	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
223	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,
224	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
225	returned.	454	returned.
226		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
227	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
228	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
229		461
230	=cut	462	=item $locked = cf::lock_active $string
231		463
232	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;
233		469
234	sub lock_wait($) {	470	sub lock_wait($) {
235	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	472	}
243		473
244	sub lock_acquire($) {	474	sub lock_acquire($) {
245	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
246		477
247	# wait, to be sure we are not locked	478	sub lock_active($) {
248	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	480	}
257		481
258	sub freeze_mainloop {	482	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
260		484
261	my $guard = Coro::guard { $TICK_WATCHER->start };	485	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	486	}
263	$guard	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	$busy = 0;
		554	Coro::schedule;
		555	}
		556	}
		557	};
		558
		559	sub get_slot($;$$) {
		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;
264	}	572	}
265		573
266	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
267		575
268	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		581
274	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
275		583
276	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
277		585
278	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
279	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
280	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.
281		590
282	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
283	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
284	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
285	fast or be very important.	594	fast or be very important.
…		…
287	=cut	596	=cut
288		597
289	sub sync_job(&) {	598	sub sync_job(&) {
290	my ($job) = @_;	599	my ($job) = @_;
291		600
292	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
293	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
295		606
296	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	608
298	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
299		610
300	my $busy = 1;	611	my $busy = 1;
301	my @res;	612	my @res;
302		613
303	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	616	@res = eval { $job->() };
305	warn $@ if $@;	617	error $@ if $@;
306	undef $busy;	618	undef $busy;
307	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
308		620
309	while ($busy) {	621	while ($busy) {
310	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
311	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
312		632
313	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
314	} else {	634	} else {
315	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
316		636
…		…
336	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
337		657
338	$coro	658	$coro
339	}	659	}
340		660
341	sub write_runtime {	661	=item fork_call { }, @args
342	my $runtime = cf::localdir . "/runtime";
343		662
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
345	or return;	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
346		667
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	668	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		669
351	aio_fsync $fh	670	sub post_fork {
352	and return;	671	reset_signals;
		672	}
353		673
354	close $fh	674	sub fork_call(&@) {
355	or return;	675	my ($cb, @args) = @_;
356		676
357	aio_rename "$runtime~", $runtime	677	# we seemingly have to make a local copy of the whole thing,
358	and return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
359		680
		681	my @res = Coro::Util::fork_eval {
		682	cf::post_fork;
		683	&$cb
		684	} @args;
		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
360	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	864	}
362		865
363	=back	866	=back
364		867
365	=cut	868	=cut
366		869
367	#############################################################################	870	#############################################################################
368		871
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522
523	#############################################################################
524
525	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
526		873
527	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
528	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")
529	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
530		877
531	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>
532	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
533	crossfire+).	880	Deliantra).
534		881
535	=over 4	882	=over 4
536		883
537	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
538		885
…		…
582	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
583		930
584	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
585	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
586		933
587	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
588	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.
589		936
590	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
591		938
592	=over 4	939	=over 4
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	999	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	1000	our @CB_MAP = ();
654		1001
655	my %attachment;	1002	my %attachment;
656		1003
		1004	sub cf::attachable::thawer_merge {
		1005	# simply override everything except _meta
		1006	local $_[0]{_meta};
		1007	%{$_[0]} = %{$_[1]};
		1008	}
		1009
657	sub _attach_cb($$$$) {	1010	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	1011	my ($registry, $event, $prio, $cb) = @_;
659		1012
660	use sort 'stable';	1013	use sort 'stable';
661		1014
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
696		1049
697	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		1054
702	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
704		1057
705	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
710		1063
711	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
712	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
713		1066
714	} elsif (ref $type) {	1067	} elsif (ref $type) {
715	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
716		1069
717	} else {	1070	} else {
718	shift @arg;	1071	shift @arg;
719	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
720	}	1073	}
721	}	1074	}
722	}	1075	}
723		1076
724	sub _object_attach {	1077	sub _object_attach {
…		…
734	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
735	}	1088	}
736		1089
737	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
738	} else {	1091	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
740	}	1093	}
741		1094
742	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
743	}	1096	}
744		1097
…		…
746	if (ref $_[0]) {	1099	if (ref $_[0]) {
747	_object_attach @_;	1100	_object_attach @_;
748	} else {	1101	} else {
749	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
750	}	1103	}
		1104	_recalc_want;
751	};	1105	};
752		1106
753	# all those should be optimised	1107	# all those should be optimised
754	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
759	reattach ($obj);	1113	reattach ($obj);
760	} else {	1114	} else {
761	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
762	}	1116	}
		1117	_recalc_want;
763	};	1118	};
764		1119
765	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
767		1122
…		…
782	";	1137	";
783	die if $@;	1138	die if $@;
784	}	1139	}
785		1140
786	our $override;	1141	our $override;
787	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?
788		1143
789	sub override {	1144	sub override {
790	$override = 1;	1145	$override = 1;
791	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
792	}	1147	}
793		1148
794	sub do_invoke {	1149	sub do_invoke {
795	my $event = shift;	1150	my $event = shift;
796	my $callbacks = shift;	1151	my $callbacks = shift;
797		1152
798	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
799		1154
800	local $override;	1155	local $override;
801		1156
802	for (@$callbacks) {	1157	for (@$callbacks) {
803	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
804		1159
805	if ($@) {	1160	if ($@) {
806	warn "$@";
807	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
808	override;	1162	override;
809	}	1163	}
810		1164
811	return 1 if $override;	1165	return 1 if $override;
812	}	1166	}
813		1167
814	0	1168	0
815	}	1169	}
816		1170
817	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
818		1172
819	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
820		1174
821	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
822		1176
823	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
824	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
825	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		1180
827	=back	1181	=back
828		1182
829	=cut	1183	=cut
830		1184
831	#############################################################################	1185	#############################################################################
832	# 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	}
833		1229
834	sub reattach {	1230	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	1232	my ($obj) = @_;
		1233
		1234	# no longer needed after getting rid of delete_package?
		1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		1236
838	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
839		1238
840	@$registry = ();	1239	@$registry = ();
841		1240
…		…
846	for (@$attach) {	1245	for (@$attach) {
847	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
848	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
849	}	1248	}
850	} else {	1249	} else {
851	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
852	}	1251	}
853	}	1252	}
854	}	1253	}
855		1254
856	cf::attachable->attach (	1255	cf::attachable->attach (
857	prio => -1000000,	1256	prio => -1000000,
858	on_instantiate => sub {	1257	on_instantiate => sub {
859	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
860		1259
861	$data = from_json $data;	1260	$data = decode_json $data;
862		1261
863	for (@$data) {	1262	for (@$data) {
864	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
865		1264
866	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
882	sub object_freezer_save {	1281	sub object_freezer_save {
883	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
884		1283
885	sync_job {	1284	sync_job {
886	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
887	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
888	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
889		1290
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
893	aio_fsync $fh;	1296	aio_fsync $fh;
		1297	}
894	close $fh;	1298	aio_close $fh;
895		1299
896	if (@$objs) {	1300	if (@$objs) {
897	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) {
898	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
		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;
901	aio_fsync $fh;	1307	aio_fsync $fh;
		1308	}
902	close $fh;	1309	aio_close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
904	}	1311	}
905	} else {	1312	} else {
906	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
907	}	1314	}
908		1315
909	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
910	} else {	1320	} else {
911	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
912	}	1322	}
913	} else {	1323	} else {
914	aio_unlink $filename;	1324	aio_unlink $filename;
915	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
916	}	1326	}
917	}	1327	};
918	}	1328	}
919		1329
920	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
921	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
922		1332
…		…
934	or return;	1344	or return;
935		1345
936	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
937	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
938	or return;	1348	or return;
		1349
939	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
940	}	1352	}
941		1353
		1354	utf8::decode (my $decname = $filename);
942	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
944	return ($data, $av);	1359	($data, $av)
945	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
946		1367
947	#############################################################################	1368	#############################################################################
948	# command handling &c	1369	# command handling &c
949		1370
950	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1385	}
965		1386
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1388
968	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.
969		1394
970	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
971	called.	1396	called.
972		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
973	=cut	1409	=cut
974		1410
975	sub register_extcmd {	1411	sub register_extcmd {
976	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
977		1413
978	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
979	}	1415	}
980		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
981	cf::player->attach (	1425	cf::player->attach (
982	on_command => sub {	1426	on_unknown_command => sub {
983	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
984		1428
985	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
986	or return;	1430	or return;
987		1431
…		…
992	cf::override;	1436	cf::override;
993	},	1437	},
994	on_extcmd => sub {	1438	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
996		1440
997	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1442
999	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
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1002	$pl->ext_reply ($msg->{msgid}, %reply);
1003	}
1004	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1005	} else {	1458	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1460	}
1008		1461
1009	cf::override;	1462	cf::override;
1010	},	1463	},
1011	);	1464	);
1012		1465
		1466	# "readahead" all extensions
1013	sub load_extension {	1467	sub cache_extensions {
1014	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
1015		1469
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1017	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
1018	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1019	$pkg =~ s/[^[:word:]]/_/g;	1473	}
1020	$pkg = "ext::$pkg";	1474	};
1021		1475
1022	warn "... loading '$path' into '$pkg'\n";	1476	$grp
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}	1477	}
1039		1478
1040	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
1041	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1486	next unless -r $path;
1043	eval {	1487
1044	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	}
1045	1	1551	}
1046	} 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	}
1047	}	1564	};
1048	}	1565	}
1049		1566
1050	#############################################################################	1567	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1568
1053	*cf::mapsupport::on_clean = sub {	1569	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1570
1066	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1067		1572
1068	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1069		1574
1070	=cut	1575	=cut
1071		1576
1072	package cf::player;	1577	package cf::player;
1073		1578
…		…
1075		1580
1076	=head3 cf::player	1581	=head3 cf::player
1077		1582
1078	=over 4	1583	=over 4
1079		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
1080	=item cf::player::find $login	1599	=item cf::player::find $login
1081		1600
1082	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1083		1602
1084	=cut	1603	=cut
1085		1604
1086	sub playerdir($) {	1605	sub playerdir($) {
1087	cf::localdir	1606	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1608	}
1093		1609
1094	sub path($) {	1610	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1612
1097	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
1098	}	1614	}
1099		1615
1100	sub find_active($) {	1616	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
1105		1621
1106	sub exists($) {	1622	sub exists($) {
1107	my ($login) = @_;	1623	my ($login) = @_;
1108		1624
1109	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1626	or !aio_stat path $login
1111	}	1627	}
1112		1628
1113	sub find($) {	1629	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1631	my $login = $_[0];
1116		1632
1117	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
1118		1634
1119	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
1120	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
1121	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;
1122	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1123	}	1652	}
1124	}	1653	}
1125	}	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	);
1126		1668
1127	sub save($) {	1669	sub save($) {
1128	my ($pl) = @_;	1670	my ($pl) = @_;
1129		1671
1130	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1135	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1136		1678
1137	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1138	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1139		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
1140	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1141	Coro::cede;	1688	cf::cede_to_tick;
1142	}	1689	}
1143		1690
1144	sub new($) {	1691	sub new($) {
1145	my ($login) = @_;	1692	my ($login) = @_;
1146		1693
…		…
1152	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1153		1700
1154	$self	1701	$self
1155	}	1702	}
1156		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
1157	=item $pl->quit_character	1714	=item $pl->quit_character
1158		1715
1159	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
1160	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1161		1718
1162	=cut	1719	=cut
1163		1720
1164	sub quit_character {	1721	sub quit_character {
1165	my ($pl) = @_;	1722	my ($pl) = @_;
1166		1723
		1724	my $name = $pl->ob->name;
		1725
1167	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1168	$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
1169		1728
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1171	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1172	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1173	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1174		1737
1175	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1742	$pl->destroy;
		1743
		1744	my $prefix = qr<^~\Q$name\E/>;
		1745
		1746	# nuke player maps
		1747	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1748
1180	IO::AIO::aio_rmtree $temp;	1749	IO::AIO::aio_rmtree $temp;
		1750	}
		1751
		1752	=item $pl->kick
		1753
		1754	Kicks a player out of the game. This destroys the connection.
		1755
		1756	=cut
		1757
		1758	sub kick {
		1759	my ($pl, $kicker) = @_;
		1760
		1761	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1762	$pl->killer ("kicked");
		1763	$pl->ns->destroy;
1181	}	1764	}
1182		1765
1183	=item cf::player::list_logins	1766	=item cf::player::list_logins
1184		1767
1185	Returns am arrayref of all valid playernames in the system, can take a	1768	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1187		1770
1188	=cut	1771	=cut
1189		1772
1190	sub list_logins {	1773	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1775	or return [];
1193		1776
1194	my @logins;	1777	my @logins;
1195		1778
1196	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") {
1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1199	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1200		1789
1201	utf8::decode $login;	1790	utf8::decode $login;
1202	push @logins, $login;	1791	push @logins, $login;
1203	}	1792	}
1204		1793
1205	\@logins	1794	\@logins
1206	}	1795	}
1207		1796
1208	=item $player->maps	1797	=item $player->maps
1209		1798
		1799	=item cf::player::maps $login
		1800
1210	Returns an arrayref of cf::path's of all maps that are private for this	1801	Returns an arrayref of map paths that are private for this
1211	player. May block.	1802	player. May block.
1212		1803
1213	=cut	1804	=cut
1214		1805
1215	sub maps($) {	1806	sub maps($) {
1216	my ($pl) = @_;	1807	my ($pl) = @_;
		1808
		1809	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1810
1218	my $files = aio_readdir playerdir $pl	1811	my $files = aio_readdir playerdir $pl
1219	or return;	1812	or return;
1220		1813
1221	my @paths;	1814	my @paths;
…		…
1223	for (@$files) {	1816	for (@$files) {
1224	utf8::decode $_;	1817	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1227		1820
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1821	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1822	}
1230		1823
1231	\@paths	1824	\@paths
1232	}	1825	}
1233		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1235		1832
1236	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1237		1834
1238	=cut	1835	=cut
1239		1836
1240	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1242		1839
1243	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1841	}
1247		1842
1248	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1249		1885
1250	=back	1886	=back
1251
1252		1887
1253	=head3 cf::map	1888	=head3 cf::map
1254		1889
1255	=over 4	1890	=over 4
1256		1891
…		…
1259	package cf::map;	1894	package cf::map;
1260		1895
1261	use Fcntl;	1896	use Fcntl;
1262	use Coro::AIO;	1897	use Coro::AIO;
1263		1898
		1899	use overload
		1900	'""' => \&as_string,
		1901	fallback => 1;
		1902
1264	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1266		1905
1267	sub generate_random_map {	1906	sub generate_random_map {
		1907	my ($self, $rmp) = @_;
		1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
		1911	$self->_create_random_map ($rmp);
		1912	}
		1913
		1914	=item cf::map->register ($regex, $prio)
		1915
		1916	Register a handler for the map path matching the given regex at the
		1917	givne priority (higher is better, built-in handlers have priority 0, the
		1918	default).
		1919
		1920	=cut
		1921
		1922	sub register {
		1923	my (undef, $regex, $prio) = @_;
		1924	my $pkg = caller;
		1925
		1926	push @{"$pkg\::ISA"}, __PACKAGE__;
		1927
		1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1929	}
		1930
		1931	# also paths starting with '/'
		1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1933
		1934	sub thawer_merge {
		1935	my ($self, $merge) = @_;
		1936
		1937	# we have to keep some variables in memory intact
		1938	local $self->{path};
		1939	local $self->{load_path};
		1940
		1941	$self->SUPER::thawer_merge ($merge);
		1942	}
		1943
		1944	sub normalise {
1268	my ($path, $rmp) = @_;	1945	my ($path, $base) = @_;
1269		1946
1270	# mit "rum" bekleckern, nicht	1947	$path = "$path"; # make sure it's a string
1271	cf::map::_create_random_map (	1948
		1949	$path =~ s/\.map$//;
		1950
		1951	# map plan:
		1952	#
		1953	# /! non-realised random map exit (special hack!)
		1954	# {... are special paths that are not being touched
		1955	# ?xxx/... are special absolute paths
		1956	# ?random/... random maps
		1957	# /... normal maps
		1958	# ~user/... per-player map of a specific user
		1959
		1960	$path =~ s/$PATH_SEP/\//go;
		1961
		1962	# treat it as relative path if it starts with
		1963	# something that looks reasonable
		1964	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1965	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1966
		1967	$base =~ s{[^/]+/?$}{};
		1968	$path = "$base/$path";
		1969	}
		1970
		1971	for ($path) {
		1972	redo if s{/\.?/}{/};
		1973	redo if s{/[^/]+/\.\./}{/};
		1974	}
		1975
1272	$path,	1976	$path
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1977	}
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1978
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1979	sub new_from_path {
1276	$rmp->{exit_on_final_map},	1980	my (undef, $path, $base) = @_;
1277	$rmp->{xsize}, $rmp->{ysize},	1981
1278	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1982	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1279	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1983
1280	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1984	$path = normalise $path, $base;
1281	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1985
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1986	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1987	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1988	my $self = bless cf::map::new, $pkg;
		1989	$self->{path} = $path; $self->path ($path);
		1990	$self->init; # pass $1 etc.
		1991	return $self;
		1992	}
		1993	}
		1994
		1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1284	)	1996	()
1285	}	1997	}
1286		1998
1287	# and all this just because we cannot iterate over	1999	# may re-bless or do other evil things
1288	# all maps in C++...	2000	sub init {
1289	sub change_all_map_light {
1290	my ($change) = @_;	2001	my ($self) = @_;
1291		2002
1292	$_->change_map_light ($change)	2003	$self
1293	for grep $_->outdoor, values %cf::MAP;
1294	}	2004	}
1295		2005
		2006	sub as_string {
		2007	my ($self) = @_;
		2008
		2009	"$self->{path}"
		2010	}
		2011
		2012	# the displayed name, this is a one way mapping
		2013	sub visible_name {
		2014	&as_string
		2015	}
		2016
		2017	# the original (read-only) location
		2018	sub load_path {
		2019	my ($self) = @_;
		2020
		2021	"$MAPDIR/$self->{path}.map"
		2022	}
		2023
		2024	# the temporary/swap location
		2025	sub save_path {
		2026	my ($self) = @_;
		2027
		2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2029	"$TMPDIR/$path.map"
		2030	}
		2031
		2032	# the unique path, undef == no special unique path
		2033	sub uniq_path {
		2034	my ($self) = @_;
		2035
		2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2037	"$UNIQUEDIR/$path"
		2038	}
		2039
		2040	sub decay_objects {
		2041	my ($self) = @_;
		2042
		2043	return if $self->{deny_reset};
		2044
		2045	$self->do_decay_objects;
		2046	}
		2047
		2048	sub unlink_save {
		2049	my ($self) = @_;
		2050
		2051	utf8::encode (my $save = $self->save_path);
		2052	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2053	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2054	}
		2055
1296	sub load_map_header($) {	2056	sub load_header_from($) {
1297	my ($path) = @_;	2057	my ($self, $path) = @_;
1298		2058
1299	utf8::encode $path;	2059	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1301	or return;	2061	or return;
1302		2062
1303	my $map = cf::map::new	2063	$self->_load_header ($f)
1304	or return;	2064	or return;
1305		2065
1306	# for better error messages only, will be overwritten later	2066	local $MAP_LOADING{$self->{path}} = $self;
1307	$map->path ($path);	2067	$f->resolve_delayed_derefs;
1308		2068
1309	$map->load_header ($path)	2069	$self->{load_path} = $path;
		2070
		2071	1
		2072	}
		2073
		2074	# used to laod the header of an original map
		2075	sub load_header_orig {
		2076	my ($self) = @_;
		2077
		2078	$self->load_header_from ($self->load_path)
		2079	}
		2080
		2081	# used to laod the header of an instantiated map
		2082	sub load_header_temp {
		2083	my ($self) = @_;
		2084
		2085	$self->load_header_from ($self->save_path)
		2086	}
		2087
		2088	# called after loading the header from an instantiated map
		2089	sub prepare_temp {
		2090	my ($self) = @_;
		2091
		2092	$self->last_access ((delete $self->{last_access})
		2093	|| $cf::RUNTIME); #d#
		2094	# safety
		2095	$self->{instantiate_time} = $cf::RUNTIME
		2096	if $self->{instantiate_time} > $cf::RUNTIME;
		2097	}
		2098
		2099	# called after loading the header from an original map
		2100	sub prepare_orig {
		2101	my ($self) = @_;
		2102
		2103	$self->{load_original} = 1;
		2104	$self->{instantiate_time} = $cf::RUNTIME;
		2105	$self->last_access ($cf::RUNTIME);
		2106	$self->instantiate;
		2107	}
		2108
		2109	sub load_header {
		2110	my ($self) = @_;
		2111
		2112	if ($self->load_header_temp) {
		2113	$self->prepare_temp;
		2114	} else {
		2115	$self->load_header_orig
1310	or return;	2116	or return;
		2117	$self->prepare_orig;
		2118	}
1311		2119
1312	$map->{load_path} = $path;	2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
1313		2122
1314	$map	2123	$self->default_region (cf::region::find_by_path $self->{path})
		2124	unless $self->default_region;
		2125
		2126	1
1315	}	2127	}
1316		2128
1317	sub find;	2129	sub find;
1318	sub find {	2130	sub find {
1319	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1320		2132
1321	#warn "find<$path,$origin>\n";#d#	2133	cf::cede_to_tick;
1322		2134
1323	$path = new cf::path $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1324	my $key = $path->as_string;
1325		2136
1326	cf::lock_wait "map_find:$key";	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1327
1328	$cf::MAP{$key} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1330		2139
1331	# do it the slow way	2140	$cf::MAP{$path} || do {
1332	my $map = $path->load_temp;	2141	my $map = new_from_path cf::map $path
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	2142	or return;
1345		2143
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1358		2145
1359	Coro::cede;	2146	$map->load_header
		2147	or return;
1360		2148
1361	if ($map->should_reset) {	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2150	# doing this can freeze the server in a sync job, obviously
		2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1362	$map->reset;	2154	$map->reset;
1363	undef $guard;
1364	$map = find $path	2155	return find $path;
1365	or return;
1366	}	2156	}
1367		2157
1368	$cf::MAP{$key} = $map	2158	$cf::MAP{$path} = $map
1369	}	2159	}
1370	}	2160	}
		2161
		2162	sub pre_load { }
		2163	#sub post_load { } # XS
1371		2164
1372	sub load {	2165	sub load {
1373	my ($self) = @_;	2166	my ($self) = @_;
1374		2167
		2168	local $self->{deny_reset} = 1; # loading can take a long time
		2169
1375	my $path = $self->{path};	2170	my $path = $self->{path};
		2171
		2172	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2173	my $guard = cf::lock_acquire "map_data:$path";
1377		2174
1378	return if $self->in_memory != cf::MAP_SWAPPED;	2175	return unless $self->valid;
		2176	return unless $self->state == cf::MAP_SWAPPED;
1379		2177
1380	$self->in_memory (cf::MAP_LOADING);
1381
1382	$self->alloc;	2178	$self->alloc;
1383	$self->load_objects ($self->{load_path}, 1)	2179
		2180	$self->pre_load;
		2181	cf::cede_to_tick;
		2182
		2183	if (exists $self->{load_path}) {
		2184	my $f = new_from_file cf::object::thawer $self->{load_path};
		2185	$f->skip_block;
		2186	$self->_load_objects ($f)
1384	or return;	2187	or return;
1385		2188
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1387	if delete $self->{load_original};	2190	if delete $self->{load_original};
1388		2191
1389	if (my $uniq = $path->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	2193	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	2194	unless (aio_stat $uniq) {
		2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1392	$self->clear_unique_items;	2196	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	2197	$self->_load_objects ($f);
		2198	$f->resolve_delayed_derefs;
		2199	}
		2200	}
1394	}	2201	}
1395	}
1396		2202
1397	Coro::cede;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
1398		2208
		2209	$self->state (cf::MAP_INACTIVE);
		2210
		2211	cf::cede_to_tick;
1399	# now do the right thing for maps	2212	# now do the right thing for maps
1400	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	2215	unless $self->difficulty;
1412	$self->activate;	2216	cf::cede_to_tick;
		2217
		2218	unless ($self->{deny_activate}) {
		2219	$self->decay_objects;
		2220	$self->fix_auto_apply;
		2221	$self->update_buttons;
		2222	cf::cede_to_tick;
		2223	#$self->activate; # no longer activate maps automatically
		2224	}
		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
		2228	}
		2229
		2230	$self->post_load;
		2231
1413	}	2232	1
		2233	}
1414		2234
1415	Coro::cede;	2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
		2238	sub customise_for {
		2239	my ($self, $ob) = @_;
1416		2240
1417	$self->in_memory (cf::MAP_IN_MEMORY);	2241	return find "~" . $ob->name . "/" . $self->{path}
		2242	if $self->per_player;
		2243
		2244	# return find "?party/" . $ob->name . "/" . $self->{path}
		2245	# if $self->per_party;
		2246
		2247	$self
1418	}	2248	}
1419		2249
1420	# find and load all maps in the 3x3 area around a map	2250	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	2251	sub load_neighbours {
1422	my ($map) = @_;	2252	my ($map) = @_;
1423		2253
1424	my @diag; # diagonal neighbours	2254	my @neigh; # diagonal neighbours
1425		2255
1426	for (0 .. 3) {	2256	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	2257	my $neigh = $map->tile_path ($_)
1428	or next;	2258	or next;
1429	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
1430	or next;	2260	or next;
1431	$neigh->load;	2261	$neigh->load;
1432		2262
		2263	# now find the diagonal neighbours
		2264	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	2267	}
1436		2268
1437	for (@diag) {	2269	for (grep defined $_->[0], @neigh) {
		2270	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	2271	my $neigh = find $path, $origin
1439	or next;	2272	or next;
1440	$neigh->load;	2273	$neigh->load;
1441	}	2274	}
1442	}	2275	}
1443		2276
1444	sub find_sync {	2277	sub find_sync {
1445	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
1446		2279
1447	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
1448	}	2285	}
1449		2286
1450	sub do_load_sync {	2287	sub do_load_sync {
1451	my ($map) = @_;	2288	my ($map) = @_;
1452		2289
1453	cf::sync_job { $map->load };	2290	# it's a bug to call this from the main context
		2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1454	}	2295	}
1455		2296
1456	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
		2298	our $MAP_PREFETCHER = undef;
		2299
		2300	sub find_async {
		2301	my ($path, $origin, $load) = @_;
		2302
		2303	$path = normalise $path, $origin;
		2304
		2305	if (my $map = $cf::MAP{$path}) {
		2306	return $map if !$load || $map->linkable;
		2307	}
		2308
		2309	$MAP_PREFETCH{$path} |= $load;
		2310
1457	our $MAP_PREFETCHER = Coro::async {	2311	$MAP_PREFETCHER ||= cf::async {
1458	while () {	2312	$Coro::current->{desc} = "map prefetcher";
		2313
1459	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	or next;	2316	if (my $map = find $k) {
		2317	$map->load if $v;
		2318	}
		2319
1462	my $path = delete $MAP_PREFETCH{$key};	2320	delete $MAP_PREFETCH{$k};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}	2321	}
1468	Coro::schedule;	2322	}
		2323	undef $MAP_PREFETCHER;
1469	}	2324	};
1470	};
1471
1472	sub find_async {
1473	my ($path, $origin) = @_;
1474
1475	$path = new cf::path $path, $origin && $origin->path;
1476	my $key = $path->as_string;
1477
1478	if (my $map = $cf::MAP{$key}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}
1481
1482	$MAP_PREFETCH{$key} = $path;
1483	$MAP_PREFETCHER->ready;	2325	$MAP_PREFETCHER->prio (6);
1484		2326
1485	()	2327	()
		2328	}
		2329
		2330	# common code, used by both ->save and ->swapout
		2331	sub _save {
		2332	my ($self) = @_;
		2333
		2334	$self->{last_save} = $cf::RUNTIME;
		2335
		2336	return unless $self->dirty;
		2337
		2338	my $save = $self->save_path; utf8::encode $save;
		2339	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2340
		2341	$self->{load_path} = $save;
		2342
		2343	return if $self->{deny_save};
		2344
		2345	local $self->{last_access} = $self->last_access;#d#
		2346
		2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
		2349	$_->contr->save for $self->players;
		2350	};
		2351
		2352	cf::get_slot 0.02;
		2353
		2354	if ($uniq) {
		2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2357	} else {
		2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2359	}
1486	}	2360	}
1487		2361
1488	sub save {	2362	sub save {
1489	my ($self) = @_;	2363	my ($self) = @_;
1490		2364
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2366
1493	$self->{last_save} = $cf::RUNTIME;	2367	$self->_save;
1494
1495	return unless $self->dirty;
1496
1497	my $save = $self->{path}->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1499
1500	$self->{load_path} = $save;
1501
1502	return if $self->{deny_save};
1503
1504	local $self->{last_access} = $self->last_access;#d#
1505
1506	cf::async {
1507	$_->contr->save for $self->players;
1508	};
1509
1510	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}
1516	}	2368	}
1517		2369
1518	sub swap_out {	2370	sub swap_out {
1519	my ($self) = @_;	2371	my ($self) = @_;
1520		2372
1521	# save first because save cedes
1522	$self->save;
1523
1524	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1525		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
1526	return if $self->players;	2377	return if $self->players;
1527	return if $self->in_memory != cf::MAP_IN_MEMORY;
1528	return if $self->{deny_save};
1529		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->state (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1530	$self->clear;	2388	$self->clear;
1531	$self->in_memory (cf::MAP_SWAPPED);
1532	}	2389	}
1533		2390
1534	sub reset_at {	2391	sub reset_at {
1535	my ($self) = @_;	2392	my ($self) = @_;
1536		2393
1537	# TODO: safety, remove and allow resettable per-player maps	2394	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2395	return 1e99 if $self->{deny_reset};
1540		2396
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2399
…		…
1548	my ($self) = @_;	2404	my ($self) = @_;
1549		2405
1550	$self->reset_at <= $cf::RUNTIME	2406	$self->reset_at <= $cf::RUNTIME
1551	}	2407	}
1552		2408
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2409	sub reset {
1575	my ($self) = @_;	2410	my ($self) = @_;
1576		2411
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2413
1579	return if $self->players;	2414	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2415
1582	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
		2417
		2418	$self->state (cf::MAP_SWAPPED);
		2419
		2420	# need to save uniques path
		2421	unless ($self->{deny_save}) {
		2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2423
		2424	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2425	if $uniq;
		2426	}
1583		2427
1584	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1585		2429
		2430	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
		2432	$self->clear;
1587		2433
1588	$self->unlink_save;	2434	$self->unlink_save;
1589	$self->destroy;	2435	$self->destroy;
1590	}	2436	}
1591		2437
1592	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1593		2439
1594	sub nuke {	2440	sub nuke {
1595	my ($self) = @_;	2441	my ($self) = @_;
1596		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
		2446	delete $cf::MAP{$self->path};
		2447
		2448	$self->unlink_save;
		2449
		2450	bless $self, "cf::map::wrap";
		2451	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2455
		2456	$cf::MAP{$self->path} = $self;
		2457	}
		2458
1600	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
1601	}	2460	}
1602		2461
1603	sub customise_for {	2462	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2463
1606	if ($map->per_player) {	2464	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2465	maps. May block.
		2466
		2467	=cut
		2468
		2469	sub tmp_maps() {
1608	}	2470	[
		2471	map {
		2472	utf8::decode $_;
		2473	/\.map$/
		2474	? normalise $_
		2475	: ()
		2476	} @{ aio_readdir $TMPDIR or [] }
		2477	]
		2478	}
1609		2479
1610	$map	2480	=item $maps = cf::map::random_maps
		2481
		2482	Returns an arrayref with all map paths of currently instantiated and saved
		2483	random maps. May block.
		2484
		2485	=cut
		2486
		2487	sub random_maps() {
		2488	[
		2489	map {
		2490	utf8::decode $_;
		2491	/\.map$/
		2492	? normalise "?random/$_"
		2493	: ()
		2494	} @{ aio_readdir $RANDOMDIR or [] }
		2495	]
1611	}	2496	}
1612		2497
1613	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1614		2499
1615	Returns an arrayref of cf::path's of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2501	instantiated unique items. May block.
1617		2502
1618	=cut	2503	=cut
1619		2504
1620	sub unique_maps() {	2505	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2506	[
1622	or return;	2507	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2508	utf8::decode $_;
1628	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2511	? ()
1631	push @paths, new cf::path $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2514	]
1633
1634	\@paths
1635	}	2515	}
1636		2516
1637	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1638		2548
1639	=back	2549	=back
1640		2550
1641	=head3 cf::object	2551	=head3 cf::object
1642		2552
…		…
1646		2556
1647	=over 4	2557	=over 4
1648		2558
1649	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1650		2560
1651	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
1652		2563
1653	=cut	2564	=cut
1654		2565
1655	sub inv_recursive_;	2566	sub inv_recursive_;
1656	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1659		2570
1660	sub inv_recursive {	2571	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1662	}	2573	}
1663		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
1664	package cf;	2603	package cf;
1665		2604
1666	=back	2605	=back
1667		2606
1668	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1677		2616
1678	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
1679		2632
1680	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2634	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1685		2638
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2640
1688	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1690	} else {	2644	} else {
		2645	my $pl = $self->contr;
		2646
		2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2648	my $dialog = $pl->{npc_dialog};
		2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2650
		2651	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1693	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
1694	}	2666	}
1695		2667
1696	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1697		2669
1698	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1711		2683
1712	=item $player_object->enter_link	2684	=item $player_object->enter_link
1713		2685
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2687
1716	The player should be reaosnably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
		2692
		2693	Will never block.
1718		2694
1719	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1720		2696
1721	Moves the player out of the specila link map onto the given map. If the	2697	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2698	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2699	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2700	fails, to the emergency map position.
1725		2701
1726	Might block.	2702	Might block.
1727		2703
1728	=cut	2704	=cut
		2705
		2706	sub link_map {
		2707	unless ($LINK_MAP) {
		2708	$LINK_MAP = cf::map::find "{link}"
		2709	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2710	$LINK_MAP->load;
		2711	}
		2712
		2713	$LINK_MAP
		2714	}
1729		2715
1730	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2717	my ($self) = @_;
1732		2718
1733	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1734		2720
1735	return if $self->map == $LINK_MAP;	2721	++$self->{_link_recursion};
		2722
		2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2724
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1739		2727
1740	$self->enter_map ($LINK_MAP, 20, 20);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2729	}
1742		2730
1743	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1745		2735
1746	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1747		2737
1748	unless ($map) {	2738	unless ($map) {
1749	# restore original map position	2739	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1762		2752
1763	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1766		2756
1767	$map->load;	2757	$map->load;
1768	$map->load_diag;	2758	$map->load_neighbours;
1769		2759
1770	return unless $self->contr->active;	2760	return unless $self->contr->active;
		2761
		2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2763	if ($self->enter_map ($map, $x, $y)) {
		2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2767	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}
1774
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},	2768	}
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2769
1789	# try to abort aborted map switching on player login :)	2770	}
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2771
1807	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1808		2773
		2774	Moves the player to the given map-path and coordinates by first freezing
		2775	her, loading and preparing them map, calling the provided $check callback
		2776	that has to return the map if sucecssful, and then unfreezes the player on
		2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
1809	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1810		2786
1811	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2789
1814	$path = new cf::path $path;	2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
		2796	# do generation counting so two concurrent goto's will be executed in-order
		2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2798
1816	$self->enter_link;	2799	$self->enter_link;
1817		2800
1818	(async {	2801	(async {
1819	my $map = cf::map::find $path->as_string;	2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
		2823	my $map = eval {
		2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2825
		2826	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2827	$map = $map->customise_for ($self);
1821		2828	$map = $check->($map, $x, $y, $self) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2829	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	}
1826		2832
		2833	$map
		2834	};
		2835
		2836	if ($@) {
		2837	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2838	LOG llevError | logBacktrace, Carp::longmess $@;
		2839	}
		2840
		2841	if ($gen == $self->{_goto_generation}) {
		2842	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1828	})->prio (1);	2847	})->prio (1);
1829	}	2848	}
1830		2849
1831	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
1832		2851
…		…
1834		2853
1835	sub parse_random_map_params {	2854	sub parse_random_map_params {
1836	my ($spec) = @_;	2855	my ($spec) = @_;
1837		2856
1838	my $rmp = { # defaults	2857	my $rmp = { # defaults
1839	xsize => 10,	2858	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2859	ysize => (cf::rndm 15, 40),
		2860	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2861	#layout => string,
1841	};	2862	};
1842		2863
1843	for (split /\n/, $spec) {	2864	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2865	my ($k, $v) = split /\s+/, $_, 2;
1845		2866
…		…
1857	# that depends on the exit object	2878	# that depends on the exit object
1858		2879
1859	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
1860		2881
1861	if ($exit->map) {	2882	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2883	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
1866	}	2889	}
1867		2890
1868	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
1869		2892
1870	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
		2895	my $meta = "$RANDOMDIR/$md5.meta";
1872		2896
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
		2899	undef $fh;
		2900	aio_rename "$meta~", $meta;
1875		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
1876	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
1878	}	2908	}
1879	}	2909	}
1880		2910
1881	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
…		…
1884	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
1885		2915
1886	$self->enter_link;	2916	$self->enter_link;
1887		2917
1888	(async {	2918	(async {
1889	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
1890	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
1891	prepare_random_map $exit	2935	prepare_random_map $exit
		2936	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
1892	if $exit->slaying eq "/!";	2938	$map = $exit->slaying;
1893		2939
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2940	} elsif ($slaying eq '!up') {
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
1896		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
		2951	$self->goto ($map, $x, $y);
		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
1897	1;	2957	1
1898	}) {	2958	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
1900	. "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. "
1901	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2963
1904	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
1905	$self->leave_link;	2965	$self->leave_link;
1906	}	2966	}
1907	})->prio (1);	2967	})->prio (1);
1908	}	2968	}
1909		2969
…		…
1920		2980
1921	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
1923		2983
1924	utf8::encode $text;	2984	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2986	}
1927		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
		3175	=item $client->ext_msg ($type, @msg)
		3176
		3177	Sends an ext event to the client.
		3178
		3179	=cut
		3180
		3181	sub cf::client::ext_msg($$@) {
		3182	my ($self, $type, @msg) = @_;
		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
		3187	push @msg, msgtype => "event_$type";
		3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		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	}
		3208	}
1928		3209
1929	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
1930		3211
1931	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
1932	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>,
1933	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>.
1934		3215
1935	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
1936	reliable at some point in the future.	3217	become reliable at some point in the future.
1937		3218
1938	=cut	3219	=cut
1939		3220
1940	sub cf::client::query {	3221	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	3230	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		3232
1952	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
1954	}	3237	}
1955		3238
1956	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
1957	on_reply => sub {	3245	on_reply => sub {
1958	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
1959		3247
1960	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
1961	# get handled first	3249	# get handled first
1962	my $queue = delete $ns->{query_queue}	3250	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	3251	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		3252
1965	(shift @$queue)->[1]->($msg);	3253	(shift @$queue)->[1]->($msg);
		3254	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		3255
1967	push @{ $ns->{query_queue} }, @$queue;	3256	push @{ $ns->{query_queue} }, @$queue;
1968		3257
1969	if (@{ $ns->{query_queue} } == @$queue) {	3258	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	3259	if (@$queue) {
…		…
1972	} else {	3261	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	3263	}
1975	}	3264	}
1976	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($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	},
1977	);	3292	);
1978		3293
1979	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
1980		3295
1981	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
1997		3312
1998	$coro	3313	$coro
1999	}	3314	}
2000		3315
2001	cf::client->attach (	3316	cf::client->attach (
2002	on_destroy => sub {	3317	on_client_destroy => sub {
2003	my ($ns) = @_;	3318	my ($ns) = @_;
2004		3319
2005	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2006	},	3321	},
2007	);	3322	);
…		…
2022	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2024		3339
2025	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2026		3341
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2028		3347
2029	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2030		3349
2031	=pod	3350	=pod
2032		3351
2033	The following fucntions and emthods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2034		3353
2035	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2036	cf::object::player player	3359	cf::object::player
2037	cf::player peaceful	3360	player
2038	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2039		3367
2040	=cut	3368	=cut
2041		3369
2042	for (	3370	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2044	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2046	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2047	) {	3377	) {
2048	no strict 'refs';
2049	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2050	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2051	for @funs;	3380	for @funs;
2052	}	3381	}
2053		3382
…		…
2068		3397
2069	my $qcode = $code;	3398	my $qcode = $code;
2070	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2071	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2072		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2073	local $_;	3405	local $_;
2074	local @safe::cf::_safe_eval_args = values %vars;
2075		3406
2076	my $eval =	3407	my $eval =
2077	"do {\n"	3408	"do {\n"
2078	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2079	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2080	. $code	3411	. $code
2081	. "\n}"	3412	. "\n}"
2082	;	3413	;
2083		3414
		3415	if ($CFG{safe_eval}) {
2084	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2085	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2086	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2087		3424
2088	if ($@) {	3425	if ($@) {
2089	warn "$@";	3426	warn "$@",
2090	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2091	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2092	}	3429	}
2093		3430
2094	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2095	}	3432	}
2096		3433
…		…
2110	=cut	3447	=cut
2111		3448
2112	sub register_script_function {	3449	sub register_script_function {
2113	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2114		3451
2115	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2116	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2117	}	3454	}
2118		3455
2119	=back	3456	=back
2120		3457
2121	=cut	3458	=cut
2122		3459
2123	#############################################################################	3460	#############################################################################
		3461	# the server's init and main functions
2124		3462
2125	=head2 EXTENSION DATABASE SUPPORT	3463	sub load_facedata($) {
		3464	my ($path) = @_;
2126		3465
2127	Crossfire maintains a very simple database for extension use. It can	3466	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3467	# for this (global event?)
2129	excludes objects.	3468	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3469
2131	The parameter C<$family> should best start with the name of the extension	3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3471
2134	=over 4	3472	trace "loading facedata from $path\n";
2135		3473
2136	=item $hashref = cf::db_get $family	3474	my $facedata = decode_storable load_file $path;
2137		3475
2138	Return a hashref for use by the extension C<$family>, which can be	3476	$facedata->{version} == 2
2139	modified. After modifications, you have to call C<cf::db_dirty> or	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140	C<cf::db_sync>.
2141		3478
2142	=item $value = cf::db_get $family => $key	3479	# patch in the exptable
2143		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2144	Returns a single value from the database	3481	$facedata->{resource}{"res/exp_table"} = {
2145		3482	type => FT_RSRC,
2146	=item cf::db_put $family => $hashref	3483	data => $exp_table,
2147		3484	hash => (Digest::MD5::md5 $exp_table),
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3485	};
		3486	cf::cede_to_tick;
2197		3487
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3488	{
		3489	my $faces = $facedata->{faceinfo};
2202		3490
2203	sub db_get($;$) {	3491	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3493
2209	sub db_put($$;$) {	3494	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3495	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2212	} else {	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2213	$DB->{$_[0]} = $_[1];	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2214	}
2215	db_dirty;
2216	}
2217		3499
2218	cf::global->attach (	3500	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3501	}
2223	);
2224	}
2225		3502
2226	#############################################################################	3503	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3504	next unless $info->{smooth};
2228		3505
2229	sub cfg_load {	3506	my $idx = cf::face::find $face
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3507	or next;
2231	or return;
2232		3508
2233	local $/;	3509	if (my $smooth = cf::face::find $info->{smooth}) {
2234	*CFG = YAML::Syck::Load <$fh>;	3510	cf::face::set_smooth $idx, $smooth;
		3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3512	} else {
		3513	error "smooth face '$info->{smooth}' not found for face '$face'";
		3514	}
2235		3515
		3516	cf::cede_to_tick;
		3517	}
		3518	}
		3519
		3520	{
		3521	my $anims = $facedata->{animinfo};
		3522
		3523	while (my ($anim, $info) = each %$anims) {
		3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3525	cf::cede_to_tick;
		3526	}
		3527
		3528	cf::anim::invalidate_all; # d'oh
		3529	}
		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
		3550	1
		3551	}
		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
		3585	sub reload_facedata {
		3586	load_facedata "$DATADIR/facedata"
		3587	or die "unable to load facedata\n";
		3588	}
		3589
		3590	sub reload_archetypes {
		3591	load_resource_file "$DATADIR/archetypes"
		3592	or die "unable to load archetypes\n";
		3593	}
		3594
		3595	sub reload_treasures {
		3596	load_resource_file "$DATADIR/treasures"
		3597	or die "unable to load treasurelists\n";
		3598	}
		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
		3620	sub reload_resources {
		3621	trace "reloading resource files...\n";
		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
		3628	reload_regions;
		3629	reload_treasures;
		3630
		3631	trace "finished reloading resource files\n";
		3632	}
		3633
		3634	sub reload_config {
		3635	trace "reloading config file...\n";
		3636
		3637	my $config = load_file "$CONFDIR/config";
		3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
		3640
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2237		3642
2238	$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};
2239	$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};
2240		3645
2241	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2245	};	3650	};
2246	warn $@ if $@;	3651	warn $@ if $@;
2247	}	3652	}
2248	}	3653	}
2249		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
2250	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
2251	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2253	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#
2254	async { Event::one_event };	3696	(async {
		3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
		3699	})->prio (Coro::PRIO_MAX);
2255	};	3700	};
2256		3701
2257	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
2258	db_load;	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;
		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
2259	load_extensions;	3725	load_extensions;
2260	Event::loop;	3726
		3727	utime time, time, $RUNTIMEFILE;
		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;
2261	}	3745	}
2262		3746
2263	#############################################################################	3747	#############################################################################
2264	# initialisation and cleanup	3748	# initialisation and cleanup
2265		3749
2266	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2267	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2274	},
2275	);	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
2276	}	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 };
2277	}	3846	}
2278		3847
2279	sub emergency_save() {	3848	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2281		3850
2282	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;
2283		3857
2284	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2285	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2289	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3869	$pl->save;
2293	}	3870	}
2294	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2295		3872
2296	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";
2297	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2298	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3878	$map->valid or next;
2300	$map->save;	3879	$map->save;
2301	}	3880	}
2302	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
		3886	BDB::db_env_txn_checkpoint $DB_ENV;
		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
2303	};	3911	};
2304		3912
2305	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2306	}	3914	}
2307		3915
		3916	sub post_cleanup {
		3917	my ($make_core) = @_;
		3918
		3919	IO::AIO::flush;
		3920
		3921	error Carp::longmess "post_cleanup backtrace"
		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	}
		3951	}
		3952
2308	sub reload() {	3953	sub do_reload_perl() {
2309	# can/must only be called in main	3954	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2311	warn "can only reload from main coroutine\n";	3956	error "can only reload from main coroutine";
2312	return;	3957	return;
2313	}	3958	}
2314		3959
2315	warn "reloading...";	3960	return if $RELOAD++;
2316		3961
2317	warn "freezing server";	3962	my $t1 = AE::time;
2318	my $guard = freeze_mainloop;	3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
		3970	cf::sync_job {
2319	cf::emergency_save;	3971	#cf::emergency_save;
2320		3972
2321	warn "sync database to disk";	3973	trace "perl_reload: cancelling all extension coros";
2322	cf::db_sync;
2323	IO::AIO::flush;
2324
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved
2327
2328	warn "cancel all watchers";
2329	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}
2332
2333	warn "cancel all extension coros";
2334	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3975	%EXT_CORO = ();
2336		3976
2337	warn "remove commands";	3977	trace "perl_reload: removing commands";
2338	%COMMAND = ();	3978	%COMMAND = ();
2339		3979
2340	warn "remove ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2341	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2342		3983
2343	warn "unload/nuke all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2346		3987
2347	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3989	eval {
2349	$cb->($pkg);	3990	$cb->($pkg);
2350	1	3991	1
2351	} 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;
2352	}	3997	}
2353		3998
2354	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;
2356	}
2357
2358	warn "unload all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		4002
2362	warn "removing <$k>";	4003	trace "... unloading $k";
2363	delete $INC{$k};	4004	delete $INC{$k};
2364		4005
2365	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2367		4008
2368	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2369	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2370	}	4014	}
2371		4015
2372	Symbol::delete_package $k;
2373	}
2374
2375	warn "get rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2377	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);
2378		4019
2379	warn "unload cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
		4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2381		4023
2382	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2383	# and global variables created in xs	4025	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2385		4027
2386	warn "reloading cf.pm";	4028	info "perl_reload: unload completed, starting to reload now";
		4029
		4030	trace "perl_reload: reloading cf.pm";
2387	require cf;	4031	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2389		4033
2390	warn "load config and database again";	4034	trace "perl_reload: loading config and database again";
2391	cf::cfg_load;	4035	cf::reload_config;
2392	cf::db_load;
2393		4036
2394	warn "load extensions";	4037	trace "perl_reload: loading extensions";
2395	cf::load_extensions;	4038	cf::load_extensions;
2396		4039
		4040	if ($REATTACH_ON_RELOAD) {
2397	warn "reattach attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2398	_global_reattach;	4042	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2400	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
		4045	trace "perl_reload: reattaching attachments to players";
		4046	reattach $_ for values %PLAYER;
		4047	}
		4048
		4049	cf::_post_init 1;
		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
		4053	1
		4054	} or do {
		4055	error $@;
		4056	cf::cleanup "perl_reload: error, exiting.";
		4057	};
		4058
		4059	--$RELOAD;
		4060	}
		4061
		4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
		4064	};
		4065
		4066	our $RELOAD_WATCHER; # used only during reload
		4067
		4068	sub reload_perl() {
		4069	# doing reload synchronously and two reloads happen back-to-back,
		4070	# coro crashes during coro_state_free->destroy here.
		4071
		4072	$RELOAD_WATCHER ||= cf::async {
		4073	Coro::AIO::aio_wait cache_extensions;
		4074
		4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4076	do_reload_perl;
		4077	undef $RELOAD_WATCHER;
		4078	};
2401	};	4079	};
2402
2403	if ($@) {
2404	warn $@;
2405	warn "error while reloading, exiting.";
2406	exit 1;
2407	}
2408
2409	warn "reloaded";
2410	};
2411
2412	#############################################################################
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	4080	}
2454		4081
2455	register_command "reload" => sub {	4082	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2457		4084
2458	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
		4089	reload_perl;
		4090	};
2462	}	4091	}
2463	};	4092	};
2464		4093
2465	unshift @INC, $LIBDIR;	4094	#############################################################################
2466		4095
2467	$TICK_WATCHER = Event->timer (	4096	my $bug_warning = 0;
2468	reentrant => 0,
2469	prio => 0,
2470	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,
2472	cb => sub {
2473	$NOW = Event::time;
2474		4097
		4098	our @WAIT_FOR_TICK;
		4099	our @WAIT_FOR_TICK_BEGIN;
		4100
		4101	sub wait_for_tick() {
		4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4103
		4104	my $signal = new Coro::Signal;
		4105	push @WAIT_FOR_TICK, $signal;
		4106	$signal->wait;
		4107	}
		4108
		4109	sub wait_for_tick_begin() {
		4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4111
		4112	my $signal = new Coro::Signal;
		4113	push @WAIT_FOR_TICK_BEGIN, $signal;
		4114	$signal->wait;
		4115	}
		4116
		4117	sub tick {
		4118	if ($Coro::current != $Coro::main) {
		4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4120	unless ++$bug_warning > 10;
		4121	return;
		4122	}
		4123
2475	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;
2478		4125
2479	$WAIT_FOR_TICK->broadcast;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2481		4127
2482	# if we are delayed by four ticks or more, skip them all	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2484		4130	Coro::async_pool {
2485	$TICK_WATCHER->at ($NEXT_TICK);	4131	$Coro::current->{desc} = "runtime saver";
2486	$TICK_WATCHER->start;
2487	},
2488	);
2489
2490	IO::AIO::max_poll_time $TICK * 0.2;
2491
2492	Event->io (
2493	fd => IO::AIO::poll_fileno,
2494	poll => 'r',
2495	prio => 5,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,
2502	after => 0,
2503	interval => 10,
2504	cb => sub {
2505	(Coro::unblock_sub {
2506	write_runtime	4132	write_runtime_sync
2507	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2508	})->();	4134	};
2509	},	4135	}
2510	);	4136
		4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4138	$sig->send;
		4139	}
		4140	while (my $sig = shift @WAIT_FOR_TICK) {
		4141	$sig->send;
		4142	}
		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	}
		4155
		4156	{
		4157	# configure BDB
		4158
		4159	BDB::min_parallel 16;
		4160	BDB::max_poll_reqs $TICK * 0.1;
		4161	$AnyEvent::BDB::WATCHER->priority (1);
		4162
		4163	unless ($DB_ENV) {
		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);
		4170
		4171	cf::sync_job {
		4172	eval {
		4173	BDB::db_env_open
		4174	$DB_ENV,
		4175	$BDBDIR,
		4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4178	0666;
		4179
		4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4181	};
		4182
		4183	cf::cleanup "db_env_open(db): $@" if $@;
		4184	};
		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	};
		4196	}
		4197
		4198	{
		4199	# configure IO::AIO
		4200
		4201	IO::AIO::min_parallel 8;
		4202	IO::AIO::max_poll_time $TICK * 0.1;
		4203	undef $AnyEvent::AIO::WATCHER;
		4204	}
		4205
		4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
		4208
		4209	sub _log_backtrace {
		4210	my ($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] $msg\n";
		4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4250	}
		4251	}
		4252
		4253	# load additional modules
		4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
2511		4256
2512	END { cf::emergency_save }	4257	END { cf::emergency_save }
2513		4258
2514	1	4259	1
2515		4260

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