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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 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	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542
543	#############################################################################
544
545	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
546		873
547	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
548	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")
549	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
550		877
551	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>
552	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
553	crossfire+).	880	Deliantra).
554		881
555	=over 4	882	=over 4
556		883
557	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
558		885
…		…
602	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
603		930
604	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
605	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
606		933
607	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
608	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.
609		936
610	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
611		938
612	=over 4	939	=over 4
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	999	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	1000	our @CB_MAP = ();
674		1001
675	my %attachment;	1002	my %attachment;
676		1003
		1004	sub cf::attachable::thawer_merge {
		1005	# simply override everything except _meta
		1006	local $_[0]{_meta};
		1007	%{$_[0]} = %{$_[1]};
		1008	}
		1009
677	sub _attach_cb($$$$) {	1010	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	1011	my ($registry, $event, $prio, $cb) = @_;
679		1012
680	use sort 'stable';	1013	use sort 'stable';
681		1014
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
716		1049
717	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		1054
722	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
724		1057
725	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
730		1063
731	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
732	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
733		1066
734	} elsif (ref $type) {	1067	} elsif (ref $type) {
735	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
736		1069
737	} else {	1070	} else {
738	shift @arg;	1071	shift @arg;
739	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
740	}	1073	}
741	}	1074	}
742	}	1075	}
743		1076
744	sub _object_attach {	1077	sub _object_attach {
…		…
754	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
755	}	1088	}
756		1089
757	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
758	} else {	1091	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
760	}	1093	}
761		1094
762	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
763	}	1096	}
764		1097
…		…
766	if (ref $_[0]) {	1099	if (ref $_[0]) {
767	_object_attach @_;	1100	_object_attach @_;
768	} else {	1101	} else {
769	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
770	}	1103	}
		1104	_recalc_want;
771	};	1105	};
772		1106
773	# all those should be optimised	1107	# all those should be optimised
774	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
779	reattach ($obj);	1113	reattach ($obj);
780	} else {	1114	} else {
781	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
782	}	1116	}
		1117	_recalc_want;
783	};	1118	};
784		1119
785	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
787		1122
…		…
802	";	1137	";
803	die if $@;	1138	die if $@;
804	}	1139	}
805		1140
806	our $override;	1141	our $override;
807	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?
808		1143
809	sub override {	1144	sub override {
810	$override = 1;	1145	$override = 1;
811	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
812	}	1147	}
813		1148
814	sub do_invoke {	1149	sub do_invoke {
815	my $event = shift;	1150	my $event = shift;
816	my $callbacks = shift;	1151	my $callbacks = shift;
817		1152
818	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
819		1154
820	local $override;	1155	local $override;
821		1156
822	for (@$callbacks) {	1157	for (@$callbacks) {
823	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
824		1159
825	if ($@) {	1160	if ($@) {
826	warn "$@";
827	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
828	override;	1162	override;
829	}	1163	}
830		1164
831	return 1 if $override;	1165	return 1 if $override;
832	}	1166	}
833		1167
834	0	1168	0
835	}	1169	}
836		1170
837	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
838		1172
839	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
840		1174
841	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
842		1176
843	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
844	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
845	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		1180
847	=back	1181	=back
848		1182
849	=cut	1183	=cut
850		1184
851	#############################################################################	1185	#############################################################################
852	# 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	}
853		1229
854	sub reattach {	1230	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
856	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
857		1236
858	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
859		1238
860	@$registry = ();	1239	@$registry = ();
861		1240
…		…
866	for (@$attach) {	1245	for (@$attach) {
867	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
868	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
869	}	1248	}
870	} else {	1249	} else {
871	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
872	}	1251	}
873	}	1252	}
874	}	1253	}
875		1254
876	cf::attachable->attach (	1255	cf::attachable->attach (
877	prio => -1000000,	1256	prio => -1000000,
878	on_instantiate => sub {	1257	on_instantiate => sub {
879	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
880		1259
881	$data = from_json $data;	1260	$data = decode_json $data;
882		1261
883	for (@$data) {	1262	for (@$data) {
884	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
885		1264
886	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
902	sub object_freezer_save {	1281	sub object_freezer_save {
903	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
904		1283
905	sync_job {	1284	sync_job {
906	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
907	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
908	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
909		1290
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
912	aio_write $fh, 0, (length $$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;
913	aio_fsync $fh;	1296	aio_fsync $fh;
		1297	}
914	close $fh;	1298	aio_close $fh;
915		1299
916	if (@$objs) {	1300	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
920	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;
921	aio_fsync $fh;	1307	aio_fsync $fh;
		1308	}
922	close $fh;	1309	aio_close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
924	}	1311	}
925	} else {	1312	} else {
926	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
927	}	1314	}
928		1315
929	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
930	} else {	1320	} else {
931	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
932	}	1322	}
933	} else {	1323	} else {
934	aio_unlink $filename;	1324	aio_unlink $filename;
935	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
936	}	1326	}
937	}	1327	};
938	}	1328	}
939		1329
940	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
941	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
942		1332
…		…
954	or return;	1344	or return;
955		1345
956	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
957	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
958	or return;	1348	or return;
		1349
959	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
960	}	1352	}
961		1353
		1354	utf8::decode (my $decname = $filename);
962	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
964	return ($data, $av);	1359	($data, $av)
965	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
966		1367
967	#############################################################################	1368	#############################################################################
968	# command handling &c	1369	# command handling &c
969		1370
970	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1385	}
985		1386
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1388
988	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.
989		1394
990	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
991	called.	1396	called.
992		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
993	=cut	1409	=cut
994		1410
995	sub register_extcmd {	1411	sub register_extcmd {
996	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
997		1413
998	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
999	}	1415	}
1000		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
1001	cf::player->attach (	1425	cf::player->attach (
1002	on_command => sub {	1426	on_unknown_command => sub {
1003	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1004		1428
1005	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1006	or return;	1430	or return;
1007		1431
…		…
1012	cf::override;	1436	cf::override;
1013	},	1437	},
1014	on_extcmd => sub {	1438	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1016		1440
1017	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1442
1019	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
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1025	} else {	1458	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1460	}
1028		1461
1029	cf::override;	1462	cf::override;
1030	},	1463	},
1031	);	1464	);
1032		1465
		1466	# "readahead" all extensions
1033	sub load_extension {	1467	sub cache_extensions {
1034	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
1035		1469
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1037	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
1038	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1039	$pkg =~ s/[^[:word:]]/_/g;	1473	}
1040	$pkg = "ext::$pkg";	1474	};
1041		1475
1042	warn "... loading '$path' into '$pkg'\n";	1476	$grp
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}	1477	}
1059		1478
1060	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
1061	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1486	next unless -r $path;
1063	eval {	1487
1064	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	}
1065	1	1551	}
1066	} 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	}
1067	}	1564	};
1068	}	1565	}
1069		1566
1070	#############################################################################	1567	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1568
1073	*cf::mapsupport::on_clean = sub {	1569	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1570
1086	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1087		1572
1088	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1089		1574
1090	=cut	1575	=cut
1091		1576
1092	package cf::player;	1577	package cf::player;
1093		1578
…		…
1095		1580
1096	=head3 cf::player	1581	=head3 cf::player
1097		1582
1098	=over 4	1583	=over 4
1099		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
1100	=item cf::player::find $login	1599	=item cf::player::find $login
1101		1600
1102	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1103		1602
1104	=cut	1603	=cut
1105		1604
1106	sub playerdir($) {	1605	sub playerdir($) {
1107	cf::localdir	1606	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1608	}
1113		1609
1114	sub path($) {	1610	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1612
1117	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
1118	}	1614	}
1119		1615
1120	sub find_active($) {	1616	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
1125		1621
1126	sub exists($) {	1622	sub exists($) {
1127	my ($login) = @_;	1623	my ($login) = @_;
1128		1624
1129	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1626	or !aio_stat path $login
1131	}	1627	}
1132		1628
1133	sub find($) {	1629	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1631	my $login = $_[0];
1136		1632
1137	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
1138		1634
1139	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
1140	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
1141	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;
1142	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1143	}	1652	}
1144	}	1653	}
1145	}	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	);
1146		1668
1147	sub save($) {	1669	sub save($) {
1148	my ($pl) = @_;	1670	my ($pl) = @_;
1149		1671
1150	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1155	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1156		1678
1157	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1159		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
1160	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1161	Coro::cede;	1688	cf::cede_to_tick;
1162	}	1689	}
1163		1690
1164	sub new($) {	1691	sub new($) {
1165	my ($login) = @_;	1692	my ($login) = @_;
1166		1693
…		…
1172	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1173		1700
1174	$self	1701	$self
1175	}	1702	}
1176		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
1177	=item $pl->quit_character	1714	=item $pl->quit_character
1178		1715
1179	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
1180	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1181		1718
1182	=cut	1719	=cut
1183		1720
1184	sub quit_character {	1721	sub quit_character {
1185	my ($pl) = @_;	1722	my ($pl) = @_;
1186		1723
		1724	my $name = $pl->ob->name;
		1725
1187	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1188	$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
1189		1728
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1191	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1192	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1193	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1194		1737
1195	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1764	}
1202		1765
1203	=item cf::player::list_logins	1766	=item cf::player::list_logins
1204		1767
1205	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
1206	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1207		1770
1208	=cut	1771	=cut
1209		1772
1210	sub list_logins {	1773	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1775	or return [];
1213		1776
1214	my @logins;	1777	my @logins;
1215		1778
1216	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") {
1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1218	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1219	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1220		1789
1221	utf8::decode $login;	1790	utf8::decode $login;
1222	push @logins, $login;	1791	push @logins, $login;
1223	}	1792	}
1224		1793
1225	\@logins	1794	\@logins
1226	}	1795	}
1227		1796
1228	=item $player->maps	1797	=item $player->maps
1229		1798
		1799	=item cf::player::maps $login
		1800
1230	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
1231	player. May block.	1802	player. May block.
1232		1803
1233	=cut	1804	=cut
1234		1805
1235	sub maps($) {	1806	sub maps($) {
1236	my ($pl) = @_;	1807	my ($pl) = @_;
		1808
		1809	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1810
1238	my $files = aio_readdir playerdir $pl	1811	my $files = aio_readdir playerdir $pl
1239	or return;	1812	or return;
1240		1813
1241	my @paths;	1814	my @paths;
…		…
1243	for (@$files) {	1816	for (@$files) {
1244	utf8::decode $_;	1817	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1247		1820
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1821	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1822	}
1250		1823
1251	\@paths	1824	\@paths
1252	}	1825	}
1253		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1255		1832
1256	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1257		1834
1258	=cut	1835	=cut
1259		1836
1260	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1262		1839
1263	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1841	}
1267		1842
1268	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		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	}
1269		1885
1270	=back	1886	=back
1271
1272		1887
1273	=head3 cf::map	1888	=head3 cf::map
1274		1889
1275	=over 4	1890	=over 4
1276		1891
…		…
1279	package cf::map;	1894	package cf::map;
1280		1895
1281	use Fcntl;	1896	use Fcntl;
1282	use Coro::AIO;	1897	use Coro::AIO;
1283		1898
		1899	use overload
		1900	'""' => \&as_string,
		1901	fallback => 1;
		1902
1284	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1286		1905
1287	sub generate_random_map {	1906	sub generate_random_map {
		1907	my ($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 {
1288	my ($path, $rmp) = @_;	1945	my ($path, $base) = @_;
1289		1946
1290	# mit "rum" bekleckern, nicht	1947	$path = "$path"; # make sure it's a string
1291	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
1292	$path,	1976	$path
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1977	}
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1978
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1979	sub new_from_path {
1296	$rmp->{exit_on_final_map},	1980	my (undef, $path, $base) = @_;
1297	$rmp->{xsize}, $rmp->{ysize},	1981
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1982	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1983
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1984	$path = normalise $path, $base;
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1985
1302	$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) {
1303	(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 '$base')";
1304	)	1996	()
1305	}	1997	}
1306		1998
1307	# and all this just because we cannot iterate over	1999	# may re-bless or do other evil things
1308	# all maps in C++...	2000	sub init {
1309	sub change_all_map_light {
1310	my ($change) = @_;	2001	my ($self) = @_;
1311		2002
1312	$_->change_map_light ($change)	2003	$self
1313	for grep $_->outdoor, values %cf::MAP;
1314	}	2004	}
1315		2005
		2006	sub as_string {
		2007	my ($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
1316	sub load_map_header($) {	2056	sub load_header_from($) {
1317	my ($path) = @_;	2057	my ($self, $path) = @_;
1318		2058
1319	utf8::encode $path;	2059	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1321	or return;	2061	or return;
1322		2062
1323	my $map = cf::map::new	2063	$self->_load_header ($f)
1324	or return;	2064	or return;
1325		2065
1326	# for better error messages only, will be overwritten later	2066	local $MAP_LOADING{$self->{path}} = $self;
1327	$map->path ($path);	2067	$f->resolve_delayed_derefs;
1328		2068
1329	$map->load_header ($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
1330	or return;	2116	or return;
		2117	$self->prepare_orig;
		2118	}
1331		2119
1332	$map->{load_path} = $path;	2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
1333		2122
1334	$map	2123	$self->default_region (cf::region::find_by_path $self->{path})
		2124	unless $self->default_region;
		2125
		2126	1
1335	}	2127	}
1336		2128
1337	sub find;	2129	sub find;
1338	sub find {	2130	sub find {
1339	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1340		2132
1341	#warn "find<$path,$origin>\n";#d#	2133	cf::cede_to_tick;
1342		2134
1343	$path = new cf::path $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1344	my $key = $path->as_string;
1345		2136
1346	cf::lock_wait "map_find:$key";	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1347
1348	$cf::MAP{$key} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1350		2139
1351	# do it the slow way	2140	$cf::MAP{$path} || do {
1352	my $map = $path->load_temp;	2141	my $map = new_from_path cf::map $path
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	2142	or return;
1365		2143
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1378		2145
1379	Coro::cede;	2146	$map->load_header
		2147	or return;
1380		2148
1381	if ($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;
1382	$map->reset;	2154	$map->reset;
1383	undef $guard;
1384	$map = find $path	2155	return find $path;
1385	or return;
1386	}	2156	}
1387		2157
1388	$cf::MAP{$key} = $map	2158	$cf::MAP{$path} = $map
1389	}	2159	}
1390	}	2160	}
		2161
		2162	sub pre_load { }
		2163	#sub post_load { } # XS
1391		2164
1392	sub load {	2165	sub load {
1393	my ($self) = @_;	2166	my ($self) = @_;
1394		2167
		2168	local $self->{deny_reset} = 1; # loading can take a long time
		2169
1395	my $path = $self->{path};	2170	my $path = $self->{path};
		2171
		2172	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2173	my $guard = cf::lock_acquire "map_data:$path";
1397		2174
		2175	return unless $self->valid;
1398	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1399		2177
1400	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1401		2179
1402	$self->alloc;	2180	$self->alloc;
1403	$self->load_objects ($self->{load_path}, 1)	2181
		2182	$self->pre_load;
		2183	cf::cede_to_tick;
		2184
		2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1404	or return;	2189	or return;
1405		2190
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1407	if delete $self->{load_original};	2192	if delete $self->{load_original};
1408		2193
1409	if (my $uniq = $path->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	2195	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1412	$self->clear_unique_items;	2198	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1414	}	2203	}
1415	}
1416		2204
1417	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
1418		2210
		2211	cf::cede_to_tick;
1419	# now do the right thing for maps	2212	# now do the right thing for maps
1420	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	2215	unless $self->difficulty;
		2216	cf::cede_to_tick;
		2217
		2218	unless ($self->{deny_activate}) {
		2219	$self->decay_objects;
		2220	$self->fix_auto_apply;
		2221	$self->update_buttons;
		2222	cf::cede_to_tick;
1432	$self->activate;	2223	$self->activate;
1433	}	2224	}
1434		2225
1435	Coro::cede;	2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
1436		2228
1437	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
		2230	}
		2231
		2232	$self->post_load;
		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
		2240	sub customise_for {
		2241	my ($self, $ob) = @_;
		2242
		2243	return find "~" . $ob->name . "/" . $self->{path}
		2244	if $self->per_player;
		2245
		2246	# return find "?party/" . $ob->name . "/" . $self->{path}
		2247	# if $self->per_party;
		2248
		2249	$self
1438	}	2250	}
1439		2251
1440	# find and load all maps in the 3x3 area around a map	2252	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2253	sub load_neighbours {
1442	my ($map) = @_;	2254	my ($map) = @_;
1443		2255
1444	my @diag; # diagonal neighbours	2256	my @neigh; # diagonal neighbours
1445		2257
1446	for (0 .. 3) {	2258	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2259	my $neigh = $map->tile_path ($_)
1448	or next;	2260	or next;
1449	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1450	or next;	2262	or next;
1451	$neigh->load;	2263	$neigh->load;
1452		2264
		2265	# now find the diagonal neighbours
		2266	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2269	}
1456		2270
1457	for (@diag) {	2271	for (grep defined $_->[0], @neigh) {
		2272	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2273	my $neigh = find $path, $origin
1459	or next;	2274	or next;
1460	$neigh->load;	2275	$neigh->load;
1461	}	2276	}
1462	}	2277	}
1463		2278
1464	sub find_sync {	2279	sub find_sync {
1465	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1466		2281
1467	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1468	}	2286	}
1469		2287
1470	sub do_load_sync {	2288	sub do_load_sync {
1471	my ($map) = @_;	2289	my ($map) = @_;
1472		2290
1473	cf::sync_job { $map->load };	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1474	}	2295	}
1475		2296
1476	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->in_memory == cf::MAP_ACTIVE;
		2307	}
		2308
		2309	$MAP_PREFETCH{$path} |= $load;
		2310
1477	our $MAP_PREFETCHER = Coro::async {	2311	$MAP_PREFETCHER ||= cf::async {
1478	while () {	2312	$Coro::current->{desc} = "map prefetcher";
		2313
1479	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	2316	if (my $map = find $k) {
		2317	$map->load if $v;
		2318	}
		2319
1482	my $path = delete $MAP_PREFETCH{$key};	2320	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	2321	}
1488	Coro::schedule;	2322	}
		2323	undef $MAP_PREFETCHER;
1489	}	2324	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	2325	$MAP_PREFETCHER->prio (6);
1504		2326
1505	()	2327	()
		2328	}
		2329
		2330	# common code, used by both ->save and ->swapout
		2331	sub _save {
		2332	my ($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	}
1506	}	2360	}
1507		2361
1508	sub save {	2362	sub save {
1509	my ($self) = @_;	2363	my ($self) = @_;
1510		2364
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2366
1513	$self->{last_save} = $cf::RUNTIME;	2367	$self->_save;
1514
1515	return unless $self->dirty;
1516
1517	my $save = $self->{path}->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1519
1520	$self->{load_path} = $save;
1521
1522	return if $self->{deny_save};
1523
1524	local $self->{last_access} = $self->last_access;#d#
1525
1526	cf::async {
1527	$_->contr->save for $self->players;
1528	};
1529
1530	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}
1536	}	2368	}
1537		2369
1538	sub swap_out {	2370	sub swap_out {
1539	my ($self) = @_;	2371	my ($self) = @_;
1540		2372
1541	# save first because save cedes
1542	$self->save;
1543
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
1546	return if $self->players;	2377	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;
1548	return if $self->{deny_save};
1549		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->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1550	$self->clear;	2388	$self->clear;
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	}	2389	}
1553		2390
1554	sub reset_at {	2391	sub reset_at {
1555	my ($self) = @_;	2392	my ($self) = @_;
1556		2393
1557	# TODO: safety, remove and allow resettable per-player maps	2394	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2395	return 1e99 if $self->{deny_reset};
1560		2396
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2399
…		…
1568	my ($self) = @_;	2404	my ($self) = @_;
1569		2405
1570	$self->reset_at <= $cf::RUNTIME	2406	$self->reset_at <= $cf::RUNTIME
1571	}	2407	}
1572		2408
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2409	sub reset {
1587	my ($self) = @_;	2410	my ($self) = @_;
1588		2411
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2413
1591	return if $self->players;	2414	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2415
1594	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
		2417
		2418	$self->in_memory (cf::MAP_SWAPPED);
		2419
		2420	# need to save uniques path
		2421	unless ($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	}
1595		2427
1596	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1597		2429
		2430	$self->deactivate;
1598	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
		2432	$self->clear;
1599		2433
1600	$self->{path}->unlink_save;	2434	$self->unlink_save;
1601	$self->destroy;	2435	$self->destroy;
1602	}	2436	}
1603		2437
1604	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1605		2439
1606	sub nuke {	2440	sub nuke {
1607	my ($self) = @_;	2441	my ($self) = @_;
1608		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};
1609	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2455
		2456	$cf::MAP{$self->path} = $self;
		2457	}
		2458
1612	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
1613	}	2460	}
1614		2461
		2462	=item $maps = cf::map::tmp_maps
		2463
		2464	Returns an arrayref with all map paths of currently instantiated and saved
		2465	maps. May block.
		2466
		2467	=cut
		2468
		2469	sub tmp_maps() {
		2470	[
		2471	map {
		2472	utf8::decode $_;
		2473	/\.map$/
		2474	? normalise $_
		2475	: ()
		2476	} @{ aio_readdir $TMPDIR or [] }
		2477	]
		2478	}
		2479
		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	]
		2496	}
		2497
1615	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1616		2499
1617	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
1618	instantiated unique items. May block.	2501	instantiated unique items. May block.
1619		2502
1620	=cut	2503	=cut
1621		2504
1622	sub unique_maps() {	2505	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2506	[
1624	or return;	2507	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2508	utf8::decode $_;
1630	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632		2511	? ()
1633	push @paths, new cf::path $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2514	]
1635
1636	\@paths
1637	}	2515	}
1638		2516
1639	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	}
1640		2548
1641	=back	2549	=back
1642		2550
1643	=head3 cf::object	2551	=head3 cf::object
1644		2552
…		…
1648		2556
1649	=over 4	2557	=over 4
1650		2558
1651	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1652		2560
1653	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.
1654		2563
1655	=cut	2564	=cut
1656		2565
1657	sub inv_recursive_;	2566	sub inv_recursive_;
1658	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1661		2570
1662	sub inv_recursive {	2571	sub inv_recursive {
1663	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1664	}	2573	}
1665		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
1666	package cf;	2603	package cf;
1667		2604
1668	=back	2605	=back
1669		2606
1670	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1676	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>
1677	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
1678	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1679		2616
1680	=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	};
1681		2632
1682	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1683	# with dialog boxes.	2634	# with dialog boxes.
1684	#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
1685	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1687		2638
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2640
1690	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1692	} 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 {
1693	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1695	}	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 (@_);
1696	}	2666	}
1697		2667
1698	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1699		2669
1700	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1713		2683
1714	=item $player_object->enter_link	2684	=item $player_object->enter_link
1715		2685
1716	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}>).
1717		2687
1718	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.
1719	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.
1720		2694
1721	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1722		2696
1723	Moves the player out of the specila link map onto the given map. If the	2697	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2698	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2699	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2700	fails, to the emergency map position.
1727		2701
1728	Might block.	2702	Might block.
1729		2703
1730	=cut	2704	=cut
		2705
		2706	sub link_map {
		2707	unless ($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	$LINK_MAP
		2714	}
1731		2715
1732	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2717	my ($self) = @_;
1734		2718
1735	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1736		2720
1737	return if $self->map == $LINK_MAP;	2721	++$self->{_link_recursion};
		2722
		2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2724
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1741		2727
1742	$self->enter_map ($LINK_MAP, 20, 20);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1743	}	2729	}
1744		2730
1745	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1747		2735
1748	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1749		2737
1750	unless ($map) {	2738	unless ($map) {
1751	# restore original map position	2739	# restore original map position
…		…
1762	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1763	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1764		2752
1765	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1768		2756
1769	$map->load;	2757	$map->load;
1770	$map->load_diag;	2758	$map->load_neighbours;
1771		2759
1772	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
1773	$self->activate_recursive;	2767	$self->activate_recursive;
1774	$self->enter_map ($map, $x, $y);
1775	}
1776
1777	cf::player->attach (
1778	on_logout => sub {
1779	my ($pl) = @_;
1780
1781	# abort map switching before logout
1782	if ($pl->ob->{_link_pos}) {
1783	cf::sync_job {
1784	$pl->ob->leave_link
1785	};
1786	}
1787	},	2768	}
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2769
1791	# try to abort aborted map switching on player login :)	2770	}
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808		2771
1809	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1810		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
1811	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1812		2786
1813	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2789
1816	$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;
1817		2798
1818	$self->enter_link;	2799	$self->enter_link;
1819		2800
1820	(async {	2801	(async {
1821	my $map = cf::map::find $path->as_string;	2802	$Coro::current->{desc} = "player::goto $path $x $y";
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2803
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	2804	# *tag paths override both path and x|y
		2805	if ($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
1825	# if $map;	2826	if ($map) {
1826		2827	$map = $map->customise_for ($self);
		2828	$map = $check->($map, $x, $y, $self) if $check && $map;
		2829	} else {
1827	$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	}
1828		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};
1829	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1830	})->prio (1);	2847	})->prio (1);
1831	}	2848	}
1832		2849
1833	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
1834		2851
…		…
1836		2853
1837	sub parse_random_map_params {	2854	sub parse_random_map_params {
1838	my ($spec) = @_;	2855	my ($spec) = @_;
1839		2856
1840	my $rmp = { # defaults	2857	my $rmp = { # defaults
1841	xsize => 10,	2858	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2859	ysize => (cf::rndm 15, 40),
		2860	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2861	#layout => string,
1843	};	2862	};
1844		2863
1845	for (split /\n/, $spec) {	2864	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2865	my ($k, $v) = split /\s+/, $_, 2;
1847		2866
…		…
1859	# that depends on the exit object	2878	# that depends on the exit object
1860		2879
1861	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
1862		2881
1863	if ($exit->map) {	2882	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2883	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
1868	}	2889	}
1869		2890
1870	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
1871		2892
1872	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1873	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
		2895	my $meta = "$RANDOMDIR/$md5.meta";
1874		2896
1875	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) {
1876	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;
1877		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
1878	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
1880	}	2908	}
1881	}	2909	}
1882		2910
1883	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
…		…
1886	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
1887		2915
1888	$self->enter_link;	2916	$self->enter_link;
1889		2917
1890	(async {	2918	(async {
1891	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
1892	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
1893	prepare_random_map $exit	2935	prepare_random_map $exit
1894	if $exit->slaying eq "/!";	2936	if $slaying eq "/!"; # need to re-check after getting the lock
1895		2937
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2938	} elsif ($slaying eq '!up') {
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
1898		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
		2949	$self->goto ($map, $x, $y);
		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
1899	1;	2955	1
1900	}) {	2956	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
1902	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2961
1906	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
1907	$self->leave_link;	2963	$self->leave_link;
1908	}	2964	}
1909	})->prio (1);	2965	})->prio (1);
1910	}	2966	}
1911		2967
…		…
1922		2978
1923	sub cf::client::send_drawinfo {	2979	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2980	my ($self, $text, $flags) = @_;
1925		2981
1926	utf8::encode $text;	2982	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2984	}
1929		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
		3009	}
		3010
		3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3012
		3013	Send a drawinfo or msg packet to the client, formatting the msg for the
		3014	client if neccessary. C<$type> should be a string identifying the type of
		3015	the message, with C<log> being the default. If C<$color> is negative, suppress
		3016	the message unless the client supports the msg packet.
		3017
		3018	=cut
		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
		3134	sub cf::client::send_msg {
		3135	my ($self, $channel, $msg, $color, @extra) = @_;
		3136
		3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
		3139
		3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3141
		3142	# check predefined channels, for the benefit of C
		3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
		3149	} elsif (ref $channel) {
		3150	# send meta info to client, if not yet sent
		3151	unless (exists $self->{channel}{$channel->{id}}) {
		3152	$self->{channel}{$channel->{id}} = $channel;
		3153	$self->ext_msg (channel_info => $channel);
		3154	}
		3155
		3156	$channel = $channel->{id};
		3157	}
		3158
		3159	return unless @extra || length $msg;
		3160
		3161	# default colour, mask it out
		3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3163	if $color & cf::NDI_DEF;
		3164
		3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
		3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3168	);
		3169
		3170	$self->send_big_packet ($pkt);
		3171	}
		3172
		3173	=item $client->ext_msg ($type, @msg)
		3174
		3175	Sends an ext event to the client.
		3176
		3177	=cut
		3178
		3179	sub cf::client::ext_msg($$@) {
		3180	my ($self, $type, @msg) = @_;
		3181
		3182	if ($self->extcmd == 2) {
		3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3184	} elsif ($self->extcmd == 1) { # TODO: remove
		3185	push @msg, msgtype => "event_$type";
		3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3187	}
		3188	}
		3189
		3190	=item $client->ext_reply ($msgid, @msg)
		3191
		3192	Sends an ext reply to the client.
		3193
		3194	=cut
		3195
		3196	sub cf::client::ext_reply($$@) {
		3197	my ($self, $id, @msg) = @_;
		3198
		3199	if ($self->extcmd == 2) {
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3201	} elsif ($self->extcmd == 1) {
		3202	#TODO: version 1, remove
		3203	unshift @msg, msgtype => "reply", msgid => $id;
		3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3205	}
		3206	}
1930		3207
1931	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
1932		3209
1933	Queues a query to the client, calling the given callback with	3210	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3211	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3212	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		3213
1937	Queries can fail, so check the return code. Or don't, as queries will become	3214	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	3215	become reliable at some point in the future.
1939		3216
1940	=cut	3217	=cut
1941		3218
1942	sub cf::client::query {	3219	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	3220	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	3228	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3229	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		3230
1954	$self->send_packet ($self->{query_queue}[0][0])	3231	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	3232	if @{ $self->{query_queue} } == 1;
		3233
		3234	1
1956	}	3235	}
1957		3236
1958	cf::client->attach (	3237	cf::client->attach (
		3238	on_connect => sub {
		3239	my ($ns) = @_;
		3240
		3241	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3242	},
1959	on_reply => sub {	3243	on_reply => sub {
1960	my ($ns, $msg) = @_;	3244	my ($ns, $msg) = @_;
1961		3245
1962	# this weird shuffling is so that direct followup queries	3246	# this weird shuffling is so that direct followup queries
1963	# get handled first	3247	# get handled first
1964	my $queue = delete $ns->{query_queue}	3248	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	3249	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		3250
1967	(shift @$queue)->[1]->($msg);	3251	(shift @$queue)->[1]->($msg);
		3252	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		3253
1969	push @{ $ns->{query_queue} }, @$queue;	3254	push @{ $ns->{query_queue} }, @$queue;
1970		3255
1971	if (@{ $ns->{query_queue} } == @$queue) {	3256	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	3257	if (@$queue) {
…		…
1974	} else {	3259	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3260	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	3261	}
1977	}	3262	}
1978	},	3263	},
		3264	on_exticmd => sub {
		3265	my ($ns, $buf) = @_;
		3266
		3267	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3268
		3269	if (ref $msg) {
		3270	my ($type, $reply, @payload) =
		3271	"ARRAY" eq ref $msg
		3272	? @$msg
		3273	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3274
		3275	my @reply;
		3276
		3277	if (my $cb = $EXTICMD{$type}) {
		3278	@reply = $cb->($ns, @payload);
		3279	}
		3280
		3281	$ns->ext_reply ($reply, @reply)
		3282	if $reply;
		3283
		3284	} else {
		3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3286	}
		3287
		3288	cf::override;
		3289	},
1979	);	3290	);
1980		3291
1981	=item $client->async (\&cb)	3292	=item $client->async (\&cb)
1982		3293
1983	Create a new coroutine, running the specified callback. The coroutine will	3294	Create a new coroutine, running the specified callback. The coroutine will
…		…
1999		3310
2000	$coro	3311	$coro
2001	}	3312	}
2002		3313
2003	cf::client->attach (	3314	cf::client->attach (
2004	on_destroy => sub {	3315	on_client_destroy => sub {
2005	my ($ns) = @_;	3316	my ($ns) = @_;
2006		3317
2007	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2008	},	3319	},
2009	);	3320	);
…		…
2024	our $safe = new Safe "safe";	3335	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2026		3337
2027	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2028		3339
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3340	$safe->permit_only (Opcode::opset qw(
		3341	:base_core :base_mem :base_orig :base_math :base_loop
		3342	grepstart grepwhile mapstart mapwhile
		3343	sort time
		3344	));
2030		3345
2031	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
2032		3347
2033	=pod	3348	=pod
2034		3349
2035	The following fucntions and emthods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2036		3351
2037	cf::object contr pay_amount pay_player map	3352	cf::object
		3353	contr pay_amount pay_player map x y force_find force_add destroy
		3354	insert remove name archname title slaying race decrease split
		3355	value
		3356
2038	cf::object::player player	3357	cf::object::player
2039	cf::player peaceful	3358	player
2040	cf::map trigger	3359
		3360	cf::player
		3361	peaceful
		3362
		3363	cf::map
		3364	trigger
2041		3365
2042	=cut	3366	=cut
2043		3367
2044	for (	3368	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3370	insert remove inv nrof name archname title slaying race
		3371	decrease split destroy change_exp value msg lore send_msg)],
2046	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2048	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2049	) {	3375	) {
2050	no strict 'refs';
2051	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2053	for @funs;	3378	for @funs;
2054	}	3379	}
2055		3380
…		…
2070		3395
2071	my $qcode = $code;	3396	my $qcode = $code;
2072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2073	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2074		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2075	local $_;	3403	local $_;
2076	local @safe::cf::_safe_eval_args = values %vars;
2077		3404
2078	my $eval =	3405	my $eval =
2079	"do {\n"	3406	"do {\n"
2080	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2081	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2082	. $code	3409	. $code
2083	. "\n}"	3410	. "\n}"
2084	;	3411	;
2085		3412
		3413	if ($CFG{safe_eval}) {
2086	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2087	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2088	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2089		3422
2090	if ($@) {	3423	if ($@) {
2091	warn "$@";	3424	warn "$@",
2092	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2093	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2094	}	3427	}
2095		3428
2096	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2097	}	3430	}
2098		3431
…		…
2112	=cut	3445	=cut
2113		3446
2114	sub register_script_function {	3447	sub register_script_function {
2115	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2116		3449
2117	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2118	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2119	}	3452	}
2120		3453
2121	=back	3454	=back
2122		3455
2123	=cut	3456	=cut
2124		3457
2125	#############################################################################	3458	#############################################################################
		3459	# the server's init and main functions
2126		3460
2127	=head2 EXTENSION DATABASE SUPPORT	3461	sub load_facedata($) {
		3462	my ($path) = @_;
2128		3463
2129	Crossfire maintains a very simple database for extension use. It can	3464	# HACK to clear player env face cache, we need some signal framework
2130	currently store anything that can be serialised using Storable, which	3465	# for this (global event?)
2131	excludes objects.	3466	%ext::player_env::MUSIC_FACE_CACHE = ();
2132		3467
2133	The parameter C<$family> should best start with the name of the extension	3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134	using it, it should be unique.
2135		3469
2136	=over 4	3470	trace "loading facedata from $path\n";
2137		3471
2138	=item $hashref = cf::db_get $family	3472	my $facedata = decode_storable load_file $path;
2139		3473
2140	Return a hashref for use by the extension C<$family>, which can be	3474	$facedata->{version} == 2
2141	modified. After modifications, you have to call C<cf::db_dirty> or	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2142	C<cf::db_sync>.
2143		3476
2144	=item $value = cf::db_get $family => $key	3477	# patch in the exptable
2145		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2146	Returns a single value from the database	3479	$facedata->{resource}{"res/exp_table"} = {
2147		3480	type => FT_RSRC,
2148	=item cf::db_put $family => $hashref	3481	data => $exp_table,
2149		3482	hash => (Digest::MD5::md5 $exp_table),
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	3483	};
		3484	cf::cede_to_tick;
2199		3485
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	3486	{
		3487	my $faces = $facedata->{faceinfo};
2204		3488
2205	sub db_get($;$) {	3489	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		3491
2211	sub db_put($$;$) {	3492	cf::face::set_visibility $idx, $info->{visibility};
2212	if (@_ >= 3) {	3493	cf::face::set_magicmap $idx, $info->{magicmap};
2213	$DB->{$_[0]}{$_[1]} = $_[2];	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2214	} else {	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2215	$DB->{$_[0]} = $_[1];	3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2216	}
2217	db_dirty;
2218	}
2219		3497
2220	cf::global->attach (	3498	cf::cede_to_tick;
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	3499	}
2225	);
2226	}
2227		3500
2228	#############################################################################	3501	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	3502	next unless $info->{smooth};
2230		3503
2231	sub cfg_load {	3504	my $idx = cf::face::find $face
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3505	or next;
2233	or return;
2234		3506
2235	local $/;	3507	if (my $smooth = cf::face::find $info->{smooth}) {
2236	*CFG = YAML::Syck::Load <$fh>;	3508	cf::face::set_smooth $idx, $smooth;
		3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3510	} else {
		3511	error "smooth face '$info->{smooth}' not found for face '$face'";
		3512	}
2237		3513
		3514	cf::cede_to_tick;
		3515	}
		3516	}
		3517
		3518	{
		3519	my $anims = $facedata->{animinfo};
		3520
		3521	while (my ($anim, $info) = each %$anims) {
		3522	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3523	cf::cede_to_tick;
		3524	}
		3525
		3526	cf::anim::invalidate_all; # d'oh
		3527	}
		3528
		3529	{
		3530	my $res = $facedata->{resource};
		3531
		3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
		3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3535
		3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3537	cf::face::set_type $idx, $info->{type};
		3538	} else {
		3539	$RESOURCE{$name} = $info; # unused
		3540	}
		3541
		3542	cf::cede_to_tick;
		3543	}
		3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3547
		3548	1
		3549	}
		3550
		3551	register_exticmd fx_want => sub {
		3552	my ($ns, $want) = @_;
		3553
		3554	while (my ($k, $v) = each %$want) {
		3555	$ns->fx_want ($k, $v);
		3556	}
		3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
		3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
		3574	load_resource_file "$MAPDIR/regions"
		3575	or die "unable to load regions file\n";
		3576
		3577	for (cf::region::list) {
		3578	$_->{match} = qr/$_->{match}/
		3579	if exists $_->{match};
		3580	}
		3581	}
		3582
		3583	sub reload_facedata {
		3584	load_facedata "$DATADIR/facedata"
		3585	or die "unable to load facedata\n";
		3586	}
		3587
		3588	sub reload_archetypes {
		3589	load_resource_file "$DATADIR/archetypes"
		3590	or die "unable to load archetypes\n";
		3591	}
		3592
		3593	sub reload_treasures {
		3594	load_resource_file "$DATADIR/treasures"
		3595	or die "unable to load treasurelists\n";
		3596	}
		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
		3618	sub reload_resources {
		3619	trace "reloading resource files...\n";
		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
		3626	reload_regions;
		3627	reload_treasures;
		3628
		3629	trace "finished reloading resource files\n";
		3630	}
		3631
		3632	sub reload_config {
		3633	trace "reloading config file...\n";
		3634
		3635	my $config = load_file "$CONFDIR/config";
		3636	utf8::decode $config;
		3637	*CFG = decode_yaml $config;
		3638
2238	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2239		3640
2240	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2241	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2242		3643
2243	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
2247	};	3648	};
2248	warn $@ if $@;	3649	warn $@ if $@;
2249	}	3650	}
2250	}	3651	}
2251		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
2252	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
2253	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2256	async { Event::one_event };	3694	(async {
		3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
		3697	})->prio (Coro::PRIO_MAX);
2257	};	3698	};
2258		3699
2259	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
2260	db_load;	3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
		3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
2261	load_extensions;	3723	load_extensions;
2262	Event::loop;	3724
		3725	utime time, time, $RUNTIMEFILE;
		3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
2263	}	3743	}
2264		3744
2265	#############################################################################	3745	#############################################################################
2266	# initialisation and cleanup	3746	# initialisation and cleanup
2267		3747
2268	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
2269	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
2270	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2272	data => WF_AUTOCANCEL,
2273	signal => $signal,
2274	cb => sub {
2275	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
2276	},
2277	);	3754	};
		3755	}
		3756	}
		3757
		3758	sub write_runtime_sync {
		3759	my $t0 = AE::time;
		3760
		3761	# first touch the runtime file to show we are still running:
		3762	# the fsync below can take a very very long time.
		3763
		3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3765
		3766	my $guard = cf::lock_acquire "write_runtime";
		3767
		3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3769	or return;
		3770
		3771	my $value = $cf::RUNTIME + 90 + 10;
		3772	# 10 is the runtime save interval, for a monotonic clock
		3773	# 60 allows for the watchdog to kill the server.
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	# touch it again to show we are up-to-date
		3783	aio_utime $fh, undef, undef;
		3784
		3785	close $fh
		3786	or return;
		3787
		3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3789	and return;
		3790
		3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3792
2278	}	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
2279	}	3844	}
2280		3845
2281	sub emergency_save() {	3846	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
2283		3848
2284	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
2285		3855
2286	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
2287	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
2291	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2294	$pl->save;	3867	$pl->save;
2295	}	3868	}
2296	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
2297		3870
2298	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
2299	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
2300	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3876	$map->valid or next;
2302	$map->save;	3877	$map->save;
2303	}	3878	}
2304	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
		3884	BDB::db_env_txn_checkpoint $DB_ENV;
		3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
2305	};	3909	};
2306		3910
2307	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
2308	}	3912	}
2309		3913
		3914	sub post_cleanup {
		3915	my ($make_core) = @_;
		3916
		3917	IO::AIO::flush;
		3918
		3919	error Carp::longmess "post_cleanup backtrace"
		3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
		3949	}
		3950
2310	sub reload() {	3951	sub do_reload_perl() {
2311	# can/must only be called in main	3952	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
2313	warn "can only reload from main coroutine\n";	3954	error "can only reload from main coroutine";
2314	return;	3955	return;
2315	}	3956	}
2316		3957
2317	warn "reloading...";	3958	return if $RELOAD++;
2318		3959
2319	warn "freezing server";	3960	my $t1 = AE::time;
2320	my $guard = freeze_mainloop;	3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
		3968	cf::sync_job {
2321	cf::emergency_save;	3969	#cf::emergency_save;
2322		3970
2323	warn "sync database to disk";	3971	trace "perl_reload: cancelling all extension coros";
2324	cf::db_sync;
2325	IO::AIO::flush;
2326
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved
2329
2330	warn "cancel all watchers";
2331	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}
2334
2335	warn "cancel all extension coros";
2336	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	3973	%EXT_CORO = ();
2338		3974
2339	warn "remove commands";	3975	trace "perl_reload: removing commands";
2340	%COMMAND = ();	3976	%COMMAND = ();
2341		3977
2342	warn "remove ext commands";	3978	trace "perl_reload: removing ext/exti commands";
2343	%EXTCMD = ();	3979	%EXTCMD = ();
		3980	%EXTICMD = ();
2344		3981
2345	warn "unload/nuke all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
2348		3985
2349	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
2350	eval {	3987	eval {
2351	$cb->($pkg);	3988	$cb->($pkg);
2352	1	3989	1
2353	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
2354	}	3995	}
2355		3996
2356	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;
2358	}
2359
2360	warn "unload all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		4000
2364	warn "removing <$k>";	4001	trace "... unloading $k";
2365	delete $INC{$k};	4002	delete $INC{$k};
2366		4003
2367	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
2369		4006
2370	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
2371	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
2372	}	4012	}
2373		4013
2374	Symbol::delete_package $k;
2375	}
2376
2377	warn "get rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		4017
2381	warn "unload cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
		4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2383		4021
2384	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
2385	# and global variables created in xs	4023	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
2387		4025
2388	warn "reloading cf.pm";	4026	info "perl_reload: unload completed, starting to reload now";
		4027
		4028	trace "perl_reload: reloading cf.pm";
2389	require cf;	4029	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
2391		4031
2392	warn "load config and database again";	4032	trace "perl_reload: loading config and database again";
2393	cf::cfg_load;	4033	cf::reload_config;
2394	cf::db_load;
2395		4034
2396	warn "load extensions";	4035	trace "perl_reload: loading extensions";
2397	cf::load_extensions;	4036	cf::load_extensions;
2398		4037
		4038	if ($REATTACH_ON_RELOAD) {
2399	warn "reattach attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
2400	_global_reattach;	4040	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
2402	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
		4043	trace "perl_reload: reattaching attachments to players";
		4044	reattach $_ for values %PLAYER;
		4045	}
		4046
		4047	cf::_post_init 1;
		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
		4051	1
		4052	} or do {
		4053	error $@;
		4054	cf::cleanup "perl_reload: error, exiting.";
		4055	};
		4056
		4057	--$RELOAD;
		4058	}
		4059
		4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
		4062	};
		4063
		4064	our $RELOAD_WATCHER; # used only during reload
		4065
		4066	sub reload_perl() {
		4067	# doing reload synchronously and two reloads happen back-to-back,
		4068	# coro crashes during coro_state_free->destroy here.
		4069
		4070	$RELOAD_WATCHER ||= cf::async {
		4071	Coro::AIO::aio_wait cache_extensions;
		4072
		4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4074	do_reload_perl;
		4075	undef $RELOAD_WATCHER;
		4076	};
2403	};	4077	};
2404
2405	if ($@) {
2406	warn $@;
2407	warn "error while reloading, exiting.";
2408	exit 1;
2409	}
2410
2411	warn "reloaded";
2412	};
2413
2414	#############################################################################
2415
2416	unless ($LINK_MAP) {
2417	$LINK_MAP = cf::map::new;
2418
2419	$LINK_MAP->width (41);
2420	$LINK_MAP->height (41);
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,
2429	cb => sub {
2430	$_[0]->w->cancel;
2431
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});
2450
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	4078	}
2456		4079
2457	register_command "reload" => sub {	4080	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
2459		4082
2460	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
		4087	reload_perl;
		4088	};
2464	}	4089	}
2465	};	4090	};
2466		4091
2467	unshift @INC, $LIBDIR;	4092	#############################################################################
2468		4093
2469	$TICK_WATCHER = Event->timer (	4094	my $bug_warning = 0;
2470	reentrant => 0,
2471	prio => 0,
2472	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,
2474	cb => sub {
2475	$NOW = Event::time;
2476		4095
		4096	our @WAIT_FOR_TICK;
		4097	our @WAIT_FOR_TICK_BEGIN;
		4098
		4099	sub wait_for_tick() {
		4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4101
		4102	my $signal = new Coro::Signal;
		4103	push @WAIT_FOR_TICK, $signal;
		4104	$signal->wait;
		4105	}
		4106
		4107	sub wait_for_tick_begin() {
		4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4109
		4110	my $signal = new Coro::Signal;
		4111	push @WAIT_FOR_TICK_BEGIN, $signal;
		4112	$signal->wait;
		4113	}
		4114
		4115	sub tick {
		4116	if ($Coro::current != $Coro::main) {
		4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4118	unless ++$bug_warning > 10;
		4119	return;
		4120	}
		4121
2477	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
2478	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;
2480		4123
2481	$WAIT_FOR_TICK->broadcast;	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2483		4125
2484	# if we are delayed by four ticks or more, skip them all	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2486		4128	Coro::async_pool {
2487	$TICK_WATCHER->at ($NEXT_TICK);	4129	$Coro::current->{desc} = "runtime saver";
2488	$TICK_WATCHER->start;
2489	},
2490	);
2491
2492	IO::AIO::max_poll_time $TICK * 0.2;
2493
2494	Event->io (
2495	fd => IO::AIO::poll_fileno,
2496	poll => 'r',
2497	prio => 5,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,
2504	after => 0,
2505	interval => 10,
2506	cb => sub {
2507	(Coro::unblock_sub {
2508	write_runtime	4130	write_runtime_sync
2509	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
2510	})->();	4132	};
2511	},	4133	}
2512	);	4134
		4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4136	$sig->send;
		4137	}
		4138	while (my $sig = shift @WAIT_FOR_TICK) {
		4139	$sig->send;
		4140	}
		4141
		4142	$LOAD = ($NOW - $TICK_START) / $TICK;
		4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4144
		4145	if (0) {
		4146	if ($NEXT_TICK) {
		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
		4151	}
		4152	}
		4153
		4154	{
		4155	# configure BDB
		4156
		4157	BDB::min_parallel 16;
		4158	BDB::max_poll_reqs $TICK * 0.1;
		4159	$AnyEvent::BDB::WATCHER->priority (1);
		4160
		4161	unless ($DB_ENV) {
		4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4168
		4169	cf::sync_job {
		4170	eval {
		4171	BDB::db_env_open
		4172	$DB_ENV,
		4173	$BDBDIR,
		4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4176	0666;
		4177
		4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4179	};
		4180
		4181	cf::cleanup "db_env_open(db): $@" if $@;
		4182	};
		4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
		4194	}
		4195
		4196	{
		4197	# configure IO::AIO
		4198
		4199	IO::AIO::min_parallel 8;
		4200	IO::AIO::max_poll_time $TICK * 0.1;
		4201	undef $AnyEvent::AIO::WATCHER;
		4202	}
		4203
		4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
		4206
		4207	sub _log_backtrace {
		4208	my ($msg, @addr) = @_;
		4209
		4210	$msg =~ s/\n$//;
		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4215	# limit the # of concurrent backtraces
		4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
		4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
		4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
		4223	my @bt = fork_call {
		4224	@addr = map { sprintf "%x", $_ } @addr;
		4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4227	or die "addr2line: $!";
		4228
		4229	my @funcs;
		4230	my @res = <$fh>;
		4231	chomp for @res;
		4232	while (@res) {
		4233	my ($func, $line) = splice @res, 0, 2, ();
		4234	push @funcs, "[$func] $line";
		4235	}
		4236
		4237	@funcs
		4238	};
		4239
		4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4242	LOG llevInfo, "[ABT] $_\n" for @bt;
		4243	--$_log_backtrace;
		4244	};
		4245	} else {
		4246	LOG llevInfo, "[ABT] $msg\n";
		4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4248	}
		4249	}
		4250
		4251	# load additional modules
		4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
2513		4254
2514	END { cf::emergency_save }	4255	END { cf::emergency_save }
2515		4256
2516	1	4257	1
2517		4258

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