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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.566 by root, Sun May 1 16:58:16 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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 = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	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
45	our $NEXT_TICK;	123	our $NEXT_TICK;
46	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);
47		132
48	our %CFG;	133	our %CFG;
49		134
50	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
52		138
53	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	141	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		142
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	143	# used to convert map paths into valid unix filenames by replacing / by ∕
60	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 $REALLY_UNLOOP; # never set to true, please :)
61		155
62	binmode STDOUT;	156	binmode STDOUT;
63	binmode STDERR;	157	binmode STDERR;
64		158
65	# read virtual server time, if available	159	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
70	}	164	}
71		165
72	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		167
78	# a special map that is always available	168	mkdir $_
79	our $LINK_MAP;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		170
80	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::"} };
81		189
82	#############################################################################	190	#############################################################################
83		191
84	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
85		193
…		…
92	=item $cf::RUNTIME	200	=item $cf::RUNTIME
93		201
94	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
95	every server tick.	203	every server tick.
96		204
97	=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
98		208
99	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		213
102	=item $cf::NOW	214	=item $cf::NOW
103		215
104	The time of the last (current) server tick.	216	The time of the last (current) server tick.
105		217
106	=item $cf::TICK	218	=item $cf::TICK
107		219
108	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
109		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
110	=item %cf::CFG	232	=item %cf::CFG
111		233
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	235	from wherever your confdir points to.
114		236
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		238
117	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
118	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
119	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.
120	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.
121		259
122	=back	260	=back
123		261
124	=cut	262	=cut
125		263
126	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
127	*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 {
128	my $msg = join "", @_;	271	my $msg = join "", @_;
129	utf8::encode $msg;
130		272
131	$msg .= "\n"	273	$msg .= "\n"
132	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
133		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
134	LOG llevError, $msg;	278	LOG llevWarn, $msg;
135	};	279	};
136	}	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	};
137		294
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		302
145	# 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
146	# within the Safe compartment.	304	# within the Safe compartment.
147	for my $pkg (qw(	305	for my $pkg (qw(
148	cf::global cf::attachable	306	cf::global cf::attachable
149	cf::object cf::object::player	307	cf::object cf::object::player
150	cf::client cf::player	308	cf::client cf::player
151	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
152	cf::map cf::party cf::region	311	cf::party cf::region
153	)) {	312	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	314	}
157		315
158	$Event::DIED = sub {	316	$EV::DIED = sub {
159	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
160	};	318	};
161		319
162	my %ext_pkg;	320	#############################################################################
163	my @exts;	321
164	my @hook;	322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
165		326
166	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
167		328
168	=over 4	329	=over 4
169		330
…		…
188	$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;
189	$d	350	$d
190	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
191	}	352	}
192		353
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
194		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
195	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
196		369
197	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
198		371
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
207		373
208	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
209		375
210	=cut	376	=cut
211		377
212	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
214	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	}
215	}	443	}
216		444
217	=item cf::lock_wait $string	445	=item cf::lock_wait $string
218		446
219	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
220		448
221	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
222		450
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
226	returned.	454	returned.
227		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
228	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
229	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
230		461
231	=cut	462	=item $locked = cf::lock_active $string
232		463
233	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;
234		469
235	sub lock_wait($) {	470	sub lock_wait($) {
236	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	472	}
244		473
245	sub lock_acquire($) {	474	sub lock_acquire($) {
246	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
247		477
248	# wait, to be sure we are not locked	478	sub lock_active($) {
249	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	480	}
258		481
259	sub freeze_mainloop {	482	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
261		484
262	my $guard = Coro::guard { $TICK_WATCHER->start };	485	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	486	}
264	$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;
265	}	572	}
266		573
267	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
268		575
269	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		581
275	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
276		583
277	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
278		585
279	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
280	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
281	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.
282		590
283	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
284	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
285	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
286	fast or be very important.	594	fast or be very important.
…		…
288	=cut	596	=cut
289		597
290	sub sync_job(&) {	598	sub sync_job(&) {
291	my ($job) = @_;	599	my ($job) = @_;
292		600
293	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
294	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
296		606
297	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	608
299	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
300		610
301	my $busy = 1;	611	my $busy = 1;
302	my @res;	612	my @res;
303		613
304	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	616	@res = eval { $job->() };
306	warn $@ if $@;	617	error $@ if $@;
307	undef $busy;	618	undef $busy;
308	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
309		620
310	while ($busy) {	621	while ($busy) {
311	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
312	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
313		632
314	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
315	} else {	634	} else {
316	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
317		636
…		…
319	}	638	}
320	}	639	}
321		640
322	=item $coro = cf::async_ext { BLOCK }	641	=item $coro = cf::async_ext { BLOCK }
323		642
324	Like async, but this coro is automcatially being canceled when the	643	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	644	extension calling this is being unloaded.
326		645
327	=cut	646	=cut
328		647
329	sub async_ext(&) {	648	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
338		657
339	$coro	658	$coro
340	}	659	}
341		660
342	sub write_runtime {	661	=item fork_call { }, @args
343	my $runtime = cf::localdir . "/runtime";
344		662
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
346	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.
347		667
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	668	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		669
352	aio_fsync $fh	670	sub post_fork {
353	and return;	671	reset_signals;
		672	}
354		673
355	close $fh	674	sub fork_call(&@) {
356	or return;	675	my ($cb, @args) = @_;
357		676
358	aio_rename "$runtime~", $runtime	677	# we seemingly have to make a local copy of the whole thing,
359	and return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
360		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 {
361	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 });
362	}	864	}
363		865
364	=back	866	=back
365		867
366	=cut	868	=cut
367		869
368	#############################################################################	870	#############################################################################
369		871
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
493		873
494	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
495	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")
496	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
497		877
498	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>
499	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
500	crossfire+).	880	Deliantra).
501		881
502	=over 4	882	=over 4
503		883
504	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
505		885
…		…
549	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
550		930
551	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
552	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
553		933
554	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
555	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.
556		936
557	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
558		938
559	=over 4	939	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	999	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	1000	our @CB_MAP = ();
621		1001
622	my %attachment;	1002	my %attachment;
623		1003
		1004	sub cf::attachable::thawer_merge {
		1005	# simply override everything except _meta
		1006	local $_[0]{_meta};
		1007	%{$_[0]} = %{$_[1]};
		1008	}
		1009
624	sub _attach_cb($$$$) {	1010	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	1011	my ($registry, $event, $prio, $cb) = @_;
626		1012
627	use sort 'stable';	1013	use sort 'stable';
628		1014
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
663		1049
664	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		1054
669	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
671		1057
672	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
677		1063
678	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
679	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
680		1066
681	} elsif (ref $type) {	1067	} elsif (ref $type) {
682	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
683		1069
684	} else {	1070	} else {
685	shift @arg;	1071	shift @arg;
686	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
687	}	1073	}
688	}	1074	}
689	}	1075	}
690		1076
691	sub _object_attach {	1077	sub _object_attach {
…		…
701	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
702	}	1088	}
703		1089
704	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
705	} else {	1091	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
707	}	1093	}
708		1094
709	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
710	}	1096	}
711		1097
…		…
713	if (ref $_[0]) {	1099	if (ref $_[0]) {
714	_object_attach @_;	1100	_object_attach @_;
715	} else {	1101	} else {
716	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
717	}	1103	}
		1104	_recalc_want;
718	};	1105	};
719		1106
720	# all those should be optimised	1107	# all those should be optimised
721	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1113	reattach ($obj);
727	} else {	1114	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
729	}	1116	}
		1117	_recalc_want;
730	};	1118	};
731		1119
732	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
734		1122
…		…
749	";	1137	";
750	die if $@;	1138	die if $@;
751	}	1139	}
752		1140
753	our $override;	1141	our $override;
754	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?
755		1143
756	sub override {	1144	sub override {
757	$override = 1;	1145	$override = 1;
758	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
759	}	1147	}
760		1148
761	sub do_invoke {	1149	sub do_invoke {
762	my $event = shift;	1150	my $event = shift;
763	my $callbacks = shift;	1151	my $callbacks = shift;
764		1152
765	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
766		1154
767	local $override;	1155	local $override;
768		1156
769	for (@$callbacks) {	1157	for (@$callbacks) {
770	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
771		1159
772	if ($@) {	1160	if ($@) {
773	warn "$@";
774	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
775	override;	1162	override;
776	}	1163	}
777		1164
778	return 1 if $override;	1165	return 1 if $override;
779	}	1166	}
780		1167
781	0	1168	0
782	}	1169	}
783		1170
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1172
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1174
788	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
789		1176
790	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
791	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
792	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1180
794	=back	1181	=back
795		1182
796	=cut	1183	=cut
797		1184
798	#############################################################################	1185	#############################################################################
799	# 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	}
800		1229
801	sub reattach {	1230	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
803	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
804		1236
805	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
806		1238
807	@$registry = ();	1239	@$registry = ();
808		1240
…		…
813	for (@$attach) {	1245	for (@$attach) {
814	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
815	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
816	}	1248	}
817	} else {	1249	} else {
818	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
819	}	1251	}
820	}	1252	}
821	}	1253	}
822		1254
823	cf::attachable->attach (	1255	cf::attachable->attach (
824	prio => -1000000,	1256	prio => -1000000,
825	on_instantiate => sub {	1257	on_instantiate => sub {
826	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
827		1259
828	$data = from_json $data;	1260	$data = decode_json $data;
829		1261
830	for (@$data) {	1262	for (@$data) {
831	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
832		1264
833	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1281	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
851		1283
852	sync_job {	1284	sync_job {
853	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
856		1290
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$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;
860	aio_fsync $fh;	1296	aio_fsync $fh;
		1297	}
861	close $fh;	1298	aio_close $fh;
862		1299
863	if (@$objs) {	1300	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	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;
868	aio_fsync $fh;	1307	aio_fsync $fh;
		1308	}
869	close $fh;	1309	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
871	}	1311	}
872	} else {	1312	} else {
873	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
874	}	1314	}
875		1315
876	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1320	} else {
878	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
879	}	1322	}
880	} else {	1323	} else {
881	aio_unlink $filename;	1324	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
883	}	1326	}
884	}	1327	};
885	}	1328	}
886		1329
887	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
889		1332
…		…
901	or return;	1344	or return;
902		1345
903	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
905	or return;	1348	or return;
		1349
906	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
907	}	1352	}
908		1353
		1354	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
911	return ($data, $av);	1359	($data, $av)
912	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
913		1367
914	#############################################################################	1368	#############################################################################
915	# command handling &c	1369	# command handling &c
916		1370
917	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1385	}
932		1386
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1388
935	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.
936		1394
937	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
938	called.	1396	called.
939		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
940	=cut	1409	=cut
941		1410
942	sub register_extcmd {	1411	sub register_extcmd {
943	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
944		1413
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1414	$EXTCMD{$name} = $cb;
949	}	1415	}
		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
950		1424
951	cf::player->attach (	1425	cf::player->attach (
952	on_command => sub {	1426	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
954		1428
955	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
956	or return;	1430	or return;
957		1431
…		…
962	cf::override;	1436	cf::override;
963	},	1437	},
964	on_extcmd => sub {	1438	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
966		1440
967	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1442
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
975	} else {	1458	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1460	}
978		1461
979	cf::override;	1462	cf::override;
980	},	1463	},
981	);	1464	);
982		1465
983	sub register {	1466	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1467	sub cache_extensions {
990	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
991		1469
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1473	}
1042	}	1474	};
1043		1475
1044	# remove extcmds	1476	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1477	}
1058		1478
1059	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
1060	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1486	next unless -r $path;
1062	eval {	1487
1063	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	}
1064	1	1551	}
1065	} 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	}
1066	}	1564	};
1067	}	1565	}
1068		1566
1069	#############################################################################	1567	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1568
1072	*cf::mapsupport::on_clean = sub {	1569	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1570
1085	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1086		1572
1087	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1088		1574
1089	=cut	1575	=cut
1090		1576
1091	package cf::player;	1577	package cf::player;
1092		1578
…		…
1094		1580
1095	=head3 cf::player	1581	=head3 cf::player
1096		1582
1097	=over 4	1583	=over 4
1098		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
1099	=item cf::player::find $login	1599	=item cf::player::find $login
1100		1600
1101	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1102		1602
1103	=cut	1603	=cut
1104		1604
1105	sub playerdir($) {	1605	sub playerdir($) {
1106	cf::localdir	1606	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1608	}
1112		1609
1113	sub path($) {	1610	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1612
1116	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
1117	}	1614	}
1118		1615
1119	sub find_active($) {	1616	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
1124		1621
1125	sub exists($) {	1622	sub exists($) {
1126	my ($login) = @_;	1623	my ($login) = @_;
1127		1624
1128	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1626	or !aio_stat path $login
1130	}	1627	}
1131		1628
1132	sub find($) {	1629	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1631	my $login = $_[0];
1135		1632
1136	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
1137		1634
1138	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
1139	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
1140	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;
1141	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1142	}	1652	}
1143	}	1653	}
1144	}	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	);
1145		1668
1146	sub save($) {	1669	sub save($) {
1147	my ($pl) = @_;	1670	my ($pl) = @_;
1148		1671
1149	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1155		1678
1156	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1158		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
1159	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1160	Coro::cede;	1688	cf::cede_to_tick;
1161	}	1689	}
1162		1690
1163	sub new($) {	1691	sub new($) {
1164	my ($login) = @_;	1692	my ($login) = @_;
1165		1693
…		…
1171	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1172		1700
1173	$self	1701	$self
1174	}	1702	}
1175		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
1176	=item $pl->quit_character	1714	=item $pl->quit_character
1177		1715
1178	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
1179	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1180		1718
1181	=cut	1719	=cut
1182		1720
1183	sub quit_character {	1721	sub quit_character {
1184	my ($pl) = @_;	1722	my ($pl) = @_;
1185		1723
		1724	my $name = $pl->ob->name;
		1725
1186	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1187	$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
1188		1728
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1190	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1192	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1193		1737
1194	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1764	}
1201		1765
1202	=item cf::player::list_logins	1766	=item cf::player::list_logins
1203		1767
1204	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
1205	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1206		1770
1207	=cut	1771	=cut
1208		1772
1209	sub list_logins {	1773	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1775	or return [];
1212		1776
1213	my @logins;	1777	my @logins;
1214		1778
1215	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") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1219		1789
1220	utf8::decode $login;	1790	utf8::decode $login;
1221	push @logins, $login;	1791	push @logins, $login;
1222	}	1792	}
1223		1793
1224	\@logins	1794	\@logins
1225	}	1795	}
1226		1796
1227	=item $player->maps	1797	=item $player->maps
1228		1798
		1799	=item cf::player::maps $login
		1800
1229	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
1230	player. May block.	1802	player. May block.
1231		1803
1232	=cut	1804	=cut
1233		1805
1234	sub maps($) {	1806	sub maps($) {
1235	my ($pl) = @_;	1807	my ($pl) = @_;
		1808
		1809	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1810
1237	my $files = aio_readdir playerdir $pl	1811	my $files = aio_readdir playerdir $pl
1238	or return;	1812	or return;
1239		1813
1240	my @paths;	1814	my @paths;
1241		1815
1242	for (@$files) {	1816	for (@$files) {
1243	utf8::decode $_;	1817	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1819	next unless /^$PATH_SEP/o;
1246		1820
1247	s/$PATH_SEP/\//g;	1821	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
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	# !up !down for quad maps, or other maps with up/down layers
		1960
		1961	$path =~ s/$PATH_SEP/\//go;
		1962
		1963	# treat it as relative path if it starts with
		1964	# something that looks reasonable
		1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1967
		1968	$base =~ s{[^/]+/?$}{};
		1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
		1984	}
		1985
		1986	for ($path) {
		1987	redo if s{/\.?/}{/};
		1988	redo if s{/[^/]+/\.\./}{/};
		1989	}
		1990
1292	$path,	1991	$path
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})
1304	}	1992	}
1305		1993
1306	# and all this just because we cannot iterate over	1994	sub new_from_path {
1307	# all maps in C++...	1995	my (undef, $path, $base) = @_;
1308	sub change_all_map_light {	1996
		1997	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1998
		1999	$path = normalise $path, $base;
		2000
		2001	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		2002	if ($path =~ $EXT_MAP{$pkg}[1]) {
		2003	my $self = bless cf::map::new, $pkg;
		2004	$self->{path} = $path; $self->path ($path);
		2005	$self->init; # pass $1 etc.
		2006	return $self;
		2007	}
		2008	}
		2009
		2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
		2011	()
		2012	}
		2013
		2014	# may re-bless or do other evil things
		2015	sub init {
1309	my ($change) = @_;	2016	my ($self) = @_;
1310		2017
1311	$_->change_map_light ($change)	2018	$self
1312	for grep $_->outdoor, values %cf::MAP;
1313	}	2019	}
1314		2020
		2021	sub as_string {
		2022	my ($self) = @_;
		2023
		2024	"$self->{path}"
		2025	}
		2026
		2027	# the displayed name, this is a one way mapping
		2028	sub visible_name {
		2029	&as_string
		2030	}
		2031
		2032	# the original (read-only) location
		2033	sub load_path {
		2034	my ($self) = @_;
		2035
		2036	"$MAPDIR/$self->{path}.map"
		2037	}
		2038
		2039	# the temporary/swap location
		2040	sub save_path {
		2041	my ($self) = @_;
		2042
		2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2044	"$TMPDIR/$path.map"
		2045	}
		2046
		2047	# the unique path, undef == no special unique path
		2048	sub uniq_path {
		2049	my ($self) = @_;
		2050
		2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2052	"$UNIQUEDIR/$path"
		2053	}
		2054
		2055	sub decay_objects {
		2056	my ($self) = @_;
		2057
		2058	return if $self->{deny_reset};
		2059
		2060	$self->do_decay_objects;
		2061	}
		2062
		2063	sub unlink_save {
		2064	my ($self) = @_;
		2065
		2066	utf8::encode (my $save = $self->save_path);
		2067	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2068	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2069	}
		2070
1315	sub try_load_header($) {	2071	sub load_header_from($) {
1316	my ($path) = @_;	2072	my ($self, $path) = @_;
1317		2073
1318	utf8::encode $path;	2074	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1320	or return;	2076	or return;
1321		2077
1322	my $map = cf::map::new	2078	$self->_load_header ($f)
1323	or return;	2079	or return;
1324		2080
1325	# for better error messages only, will be overwritten	2081	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	2082	$f->resolve_delayed_derefs;
1327		2083
1328	$map->load_header ($path)	2084	$self->{load_path} = $path;
		2085
		2086	1
		2087	}
		2088
		2089	# used to laod the header of an original map
		2090	sub load_header_orig {
		2091	my ($self) = @_;
		2092
		2093	$self->load_header_from ($self->load_path)
		2094	}
		2095
		2096	# used to laod the header of an instantiated map
		2097	sub load_header_temp {
		2098	my ($self) = @_;
		2099
		2100	$self->load_header_from ($self->save_path)
		2101	}
		2102
		2103	# called after loading the header from an instantiated map
		2104	sub prepare_temp {
		2105	my ($self) = @_;
		2106
		2107	$self->last_access ((delete $self->{last_access})
		2108	|| $cf::RUNTIME); #d#
		2109	# safety
		2110	$self->{instantiate_time} = $cf::RUNTIME
		2111	if $self->{instantiate_time} > $cf::RUNTIME;
		2112	}
		2113
		2114	# called after loading the header from an original map
		2115	sub prepare_orig {
		2116	my ($self) = @_;
		2117
		2118	$self->{load_original} = 1;
		2119	$self->{instantiate_time} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121	$self->instantiate;
		2122	}
		2123
		2124	sub load_header {
		2125	my ($self) = @_;
		2126
		2127	if ($self->load_header_temp) {
		2128	$self->prepare_temp;
		2129	} else {
		2130	$self->load_header_orig
1329	or return;	2131	or return;
		2132	$self->prepare_orig;
		2133	}
1330		2134
1331	$map->{load_path} = $path;	2135	$self->{deny_reset} = 1
		2136	if $self->no_reset;
1332		2137
1333	$map	2138	$self->default_region (cf::region::find_by_path $self->{path})
		2139	unless $self->default_region;
		2140
		2141	1
1334	}	2142	}
1335		2143
1336	sub find;	2144	sub find;
1337	sub find {	2145	sub find {
1338	my ($path, $origin) = @_;	2146	my ($path, $origin) = @_;
1339		2147
1340	#warn "find<$path,$origin>\n";#d#	2148	cf::cede_to_tick;
1341		2149
1342	$path = new cf::path $path, $origin && $origin->path;	2150	$path = normalise $path, $origin;
1343	my $key = $path->as_string;
1344		2151
1345	cf::lock_wait "map_find:$key";	2152	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	2153	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2154
1350	# do it the slow way	2155	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2156	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2157	or return;
1369		2158
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2159	$map->{last_save} = $cf::RUNTIME;
1382		2160
1383	Coro::cede;	2161	$map->load_header
		2162	or return;
1384		2163
1385	if ($map->should_reset) {	2164	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2165	# doing this can freeze the server in a sync job, obviously
		2166	#$cf::WAIT_FOR_TICK->wait;
		2167	undef $guard2;
		2168	undef $guard1;
1386	$map->reset;	2169	$map->reset;
1387	undef $guard;
1388	$map = find $path	2170	return find $path;
1389	or return;
1390	}	2171	}
1391		2172
1392	$cf::MAP{$key} = $map	2173	$cf::MAP{$path} = $map
1393	}	2174	}
1394	}	2175	}
		2176
		2177	sub pre_load { }
		2178	#sub post_load { } # XS
1395		2179
1396	sub load {	2180	sub load {
1397	my ($self) = @_;	2181	my ($self) = @_;
1398		2182
		2183	local $self->{deny_reset} = 1; # loading can take a long time
		2184
1399	my $path = $self->{path};	2185	my $path = $self->{path};
		2186
		2187	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2188	my $guard = cf::lock_acquire "map_data:$path";
1401		2189
		2190	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2191	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2192
1404	$self->in_memory (cf::MAP_LOADING);	2193	$self->in_memory (cf::MAP_LOADING);
1405		2194
1406	$self->alloc;	2195	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2196
		2197	$self->pre_load;
		2198	cf::cede_to_tick;
		2199
		2200	if (exists $self->{load_path}) {
		2201	my $f = new_from_file cf::object::thawer $self->{load_path};
		2202	$f->skip_block;
		2203	$self->_load_objects ($f)
1408	or return;	2204	or return;
1409		2205
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2206	$self->post_load_original
1411	if delete $self->{load_original};	2207	if delete $self->{load_original};
1412		2208
1413	if (my $uniq = $path->uniq_path) {	2209	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2210	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2211	unless (aio_stat $uniq) {
		2212	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2213	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2214	$self->_load_objects ($f);
		2215	$f->resolve_delayed_derefs;
		2216	}
		2217	}
1418	}	2218	}
1419	}
1420		2219
1421	Coro::cede;	2220	$f->resolve_delayed_derefs;
		2221	} else {
		2222	$self->post_load_original
		2223	if delete $self->{load_original};
		2224	}
1422		2225
		2226	cf::cede_to_tick;
1423	# now do the right thing for maps	2227	# now do the right thing for maps
1424	$self->link_multipart_objects;	2228	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2229	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2230	unless $self->difficulty;
		2231	cf::cede_to_tick;
		2232
		2233	unless ($self->{deny_activate}) {
		2234	$self->decay_objects;
		2235	$self->fix_auto_apply;
		2236	$self->update_buttons;
		2237	cf::cede_to_tick;
1436	$self->activate;	2238	$self->activate;
1437	}	2239	}
1438		2240
1439	Coro::cede;	2241	$self->{last_save} = $cf::RUNTIME;
		2242	$self->last_access ($cf::RUNTIME);
1440		2243
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2244	$self->in_memory (cf::MAP_ACTIVE);
		2245	}
		2246
		2247	$self->post_load;
		2248
		2249	1
		2250	}
		2251
		2252	# customize the map for a given player, i.e.
		2253	# return the _real_ map. used by e.g. per-player
		2254	# maps to change the path to ~playername/mappath
		2255	sub customise_for {
		2256	my ($self, $ob) = @_;
		2257
		2258	return find "~" . $ob->name . "/" . $self->{path}
		2259	if $self->per_player;
		2260
		2261	# return find "?party/" . $ob->name . "/" . $self->{path}
		2262	# if $self->per_party;
		2263
		2264	$self
		2265	}
		2266
		2267	# find and load all maps in the 3x3 area around a map
		2268	sub load_neighbours {
		2269	my ($map) = @_;
		2270
		2271	my @neigh; # diagonal neighbours
		2272
		2273	for (0 .. 3) {
		2274	my $neigh = $map->tile_path ($_)
		2275	or next;
		2276	$neigh = find $neigh, $map
		2277	or next;
		2278	$neigh->load;
		2279
		2280	# now find the diagonal neighbours
		2281	push @neigh,
		2282	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2283	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2284	}
		2285
		2286	for (grep defined $_->[0], @neigh) {
		2287	my ($path, $origin) = @$_;
		2288	my $neigh = find $path, $origin
		2289	or next;
		2290	$neigh->load;
		2291	}
1442	}	2292	}
1443		2293
1444	sub find_sync {	2294	sub find_sync {
1445	my ($path, $origin) = @_;	2295	my ($path, $origin) = @_;
1446		2296
1447	cf::sync_job { cf::map::find $path, $origin }	2297	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2298	if $Coro::current == $Coro::main;
		2299
		2300	find $path, $origin
1448	}	2301	}
1449		2302
1450	sub do_load_sync {	2303	sub do_load_sync {
1451	my ($map) = @_;	2304	my ($map) = @_;
1452		2305
1453	cf::sync_job { $map->load };	2306	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2307	if $Coro::current == $Coro::main;
		2308
		2309	$map->load;
		2310	}
		2311
		2312	our %MAP_PREFETCH;
		2313	our $MAP_PREFETCHER = undef;
		2314
		2315	sub find_async {
		2316	my ($path, $origin, $load) = @_;
		2317
		2318	$path = normalise $path, $origin;
		2319
		2320	if (my $map = $cf::MAP{$path}) {
		2321	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2322	}
		2323
		2324	$MAP_PREFETCH{$path} |= $load;
		2325
		2326	$MAP_PREFETCHER ||= cf::async {
		2327	$Coro::current->{desc} = "map prefetcher";
		2328
		2329	while (%MAP_PREFETCH) {
		2330	while (my ($k, $v) = each %MAP_PREFETCH) {
		2331	if (my $map = find $k) {
		2332	$map->load if $v;
		2333	}
		2334
		2335	delete $MAP_PREFETCH{$k};
		2336	}
		2337	}
		2338	undef $MAP_PREFETCHER;
		2339	};
		2340	$MAP_PREFETCHER->prio (6);
		2341
		2342	()
		2343	}
		2344
		2345	# common code, used by both ->save and ->swapout
		2346	sub _save {
		2347	my ($self) = @_;
		2348
		2349	$self->{last_save} = $cf::RUNTIME;
		2350
		2351	return unless $self->dirty;
		2352
		2353	my $save = $self->save_path; utf8::encode $save;
		2354	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2355
		2356	$self->{load_path} = $save;
		2357
		2358	return if $self->{deny_save};
		2359
		2360	local $self->{last_access} = $self->last_access;#d#
		2361
		2362	cf::async {
		2363	$Coro::current->{desc} = "map player save";
		2364	$_->contr->save for $self->players;
		2365	};
		2366
		2367	cf::get_slot 0.02;
		2368
		2369	if ($uniq) {
		2370	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2371	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2372	} else {
		2373	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2374	}
1454	}	2375	}
1455		2376
1456	sub save {	2377	sub save {
1457	my ($self) = @_;	2378	my ($self) = @_;
1458		2379
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	2380	my $lock = cf::lock_acquire "map_data:$self->{path}";
1460		2381
1461	$self->{last_save} = $cf::RUNTIME;	2382	$self->_save;
1462
1463	return unless $self->dirty;
1464
1465	my $save = $self->{path}->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1467
1468	$self->{load_path} = $save;
1469
1470	return if $self->{deny_save};
1471
1472	local $self->{last_access} = $self->last_access;#d#
1473
1474	cf::async {
1475	$_->contr->save for $self->players;
1476	};
1477
1478	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}
1484	}	2383	}
1485		2384
1486	sub swap_out {	2385	sub swap_out {
1487	my ($self) = @_;	2386	my ($self) = @_;
1488		2387
1489	# save first because save cedes
1490	$self->save;
1491
1492	my $lock = cf::lock_acquire "map_data:" . $self->path;	2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
1493		2389
		2390	return if $self->in_memory != cf::MAP_ACTIVE;
		2391	return if $self->{deny_save};
1494	return if $self->players;	2392	return if $self->players;
1495	return if $self->in_memory != cf::MAP_IN_MEMORY;
1496	return if $self->{deny_save};
1497		2393
		2394	# first deactivate the map and "unlink" it from the core
		2395	$self->deactivate;
		2396	$_->clear_links_to ($self) for values %cf::MAP;
		2397	$self->in_memory (cf::MAP_SWAPPED);
		2398
		2399	# then atomically save
		2400	$self->_save;
		2401
		2402	# then free the map
1498	$self->clear;	2403	$self->clear;
1499	$self->in_memory (cf::MAP_SWAPPED);
1500	}	2404	}
1501		2405
1502	sub reset_at {	2406	sub reset_at {
1503	my ($self) = @_;	2407	my ($self) = @_;
1504		2408
1505	# TODO: safety, remove and allow resettable per-player maps	2409	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2410	return 1e99 if $self->{deny_reset};
1508		2411
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2412	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2413	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2414
…		…
1516	my ($self) = @_;	2419	my ($self) = @_;
1517		2420
1518	$self->reset_at <= $cf::RUNTIME	2421	$self->reset_at <= $cf::RUNTIME
1519	}	2422	}
1520		2423
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2424	sub reset {
1543	my ($self) = @_;	2425	my ($self) = @_;
1544		2426
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2427	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2428
1547	return if $self->players;	2429	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2430
1550	warn "resetting map ", $self->path;#d#	2431	cf::trace "resetting map ", $self->path, "\n";
		2432
		2433	$self->in_memory (cf::MAP_SWAPPED);
		2434
		2435	# need to save uniques path
		2436	unless ($self->{deny_save}) {
		2437	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2438
		2439	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2440	if $uniq;
		2441	}
1551		2442
1552	delete $cf::MAP{$self->path};	2443	delete $cf::MAP{$self->path};
1553		2444
		2445	$self->deactivate;
1554	$_->clear_links_to ($self) for values %cf::MAP;	2446	$_->clear_links_to ($self) for values %cf::MAP;
		2447	$self->clear;
1555		2448
1556	$self->unlink_save;	2449	$self->unlink_save;
1557	$self->destroy;	2450	$self->destroy;
1558	}	2451	}
1559		2452
1560	my $nuke_counter = "aaaa";	2453	my $nuke_counter = "aaaa";
1561		2454
1562	sub nuke {	2455	sub nuke {
1563	my ($self) = @_;	2456	my ($self) = @_;
1564		2457
		2458	{
		2459	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2460
		2461	delete $cf::MAP{$self->path};
		2462
		2463	$self->unlink_save;
		2464
		2465	bless $self, "cf::map::wrap";
		2466	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2467	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2468	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2469	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2470
		2471	$cf::MAP{$self->path} = $self;
		2472	}
		2473
1568	$self->reset; # polite request, might not happen	2474	$self->reset; # polite request, might not happen
1569	}	2475	}
1570		2476
1571	sub customise_for {	2477	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2478
1574	if ($map->per_player) {	2479	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2480	maps. May block.
		2481
		2482	=cut
		2483
		2484	sub tmp_maps() {
1576	}	2485	[
		2486	map {
		2487	utf8::decode $_;
		2488	/\.map$/
		2489	? normalise $_
		2490	: ()
		2491	} @{ aio_readdir $TMPDIR or [] }
		2492	]
		2493	}
1577		2494
		2495	=item $maps = cf::map::random_maps
		2496
		2497	Returns an arrayref with all map paths of currently instantiated and saved
		2498	random maps. May block.
		2499
		2500	=cut
		2501
		2502	sub random_maps() {
		2503	[
		2504	map {
		2505	utf8::decode $_;
		2506	/\.map$/
		2507	? normalise "?random/$_"
		2508	: ()
		2509	} @{ aio_readdir $RANDOMDIR or [] }
		2510	]
		2511	}
		2512
		2513	=item cf::map::unique_maps
		2514
		2515	Returns an arrayref of paths of all shared maps that have
		2516	instantiated unique items. May block.
		2517
		2518	=cut
		2519
		2520	sub unique_maps() {
		2521	[
		2522	map {
		2523	utf8::decode $_;
		2524	s/\.map$//; # TODO future compatibility hack
		2525	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2526	? ()
		2527	: normalise $_
		2528	} @{ aio_readdir $UNIQUEDIR or [] }
		2529	]
		2530	}
		2531
		2532	=item cf::map::static_maps
		2533
		2534	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2535	file in the shared directory excluding F</styles> and F</editor>). May
		2536	block.
		2537
		2538	=cut
		2539
		2540	sub static_maps() {
		2541	my @dirs = "";
		2542	my @maps;
		2543
		2544	while (@dirs) {
		2545	my $dir = shift @dirs;
		2546
		2547	next if $dir eq "/styles" || $dir eq "/editor";
		2548
		2549	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2550	or return;
		2551
		2552	for (@$files) {
		2553	s/\.map$// or next;
		2554	utf8::decode $_;
		2555	push @maps, "$dir/$_";
		2556	}
		2557
		2558	push @dirs, map "$dir/$_", @$dirs;
		2559	}
		2560
1578	$map	2561	\@maps
1579	}	2562	}
1580
1581	package cf;
1582		2563
1583	=back	2564	=back
1584		2565
1585	=head3 cf::object	2566	=head3 cf::object
1586		2567
…		…
1590		2571
1591	=over 4	2572	=over 4
1592		2573
1593	=item $ob->inv_recursive	2574	=item $ob->inv_recursive
1594		2575
1595	Returns the inventory of the object _and_ their inventories, recursively.	2576	Returns the inventory of the object I<and> their inventories, recursively,
		2577	but I<not> the object itself.
1596		2578
1597	=cut	2579	=cut
1598		2580
1599	sub inv_recursive_;	2581	sub inv_recursive_;
1600	sub inv_recursive_ {	2582	sub inv_recursive_ {
…		…
1603		2585
1604	sub inv_recursive {	2586	sub inv_recursive {
1605	inv_recursive_ inv $_[0]	2587	inv_recursive_ inv $_[0]
1606	}	2588	}
1607		2589
		2590	=item $ref = $ob->ref
		2591
		2592	Creates and returns a persistent reference to an object that can be stored as a string.
		2593
		2594	=item $ob = cf::object::deref ($refstring)
		2595
		2596	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2597	even if the object actually exists. May block.
		2598
		2599	=cut
		2600
		2601	sub deref {
		2602	my ($ref) = @_;
		2603
		2604	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2605	my ($uuid, $name) = ($1, $2);
		2606	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2607	or return;
		2608	$pl->ob->uuid eq $uuid
		2609	or return;
		2610
		2611	$pl->ob
		2612	} else {
		2613	warn "$ref: cannot resolve object reference\n";
		2614	undef
		2615	}
		2616	}
		2617
1608	package cf;	2618	package cf;
1609		2619
1610	=back	2620	=back
1611		2621
1612	=head3 cf::object::player	2622	=head3 cf::object::player
…		…
1618	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1619	can be C<undef>. Does the right thing when the player is currently in a	2629	can be C<undef>. Does the right thing when the player is currently in a
1620	dialogue with the given NPC character.	2630	dialogue with the given NPC character.
1621		2631
1622	=cut	2632	=cut
		2633
		2634	our $SAY_CHANNEL = {
		2635	id => "say",
		2636	title => "Map",
		2637	reply => "say ",
		2638	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2639	};
		2640
		2641	our $CHAT_CHANNEL = {
		2642	id => "chat",
		2643	title => "Chat",
		2644	reply => "chat ",
		2645	tooltip => "Player chat and shouts, global to the server.",
		2646	};
1623		2647
1624	# rough implementation of a future "reply" method that works	2648	# rough implementation of a future "reply" method that works
1625	# with dialog boxes.	2649	# with dialog boxes.
1626	#TODO: the first argument must go, split into a $npc->reply_to ( method	2650	#TODO: the first argument must go, split into a $npc->reply_to ( method
1627	sub cf::object::player::reply($$$;$) {	2651	sub cf::object::player::reply($$$;$) {
…		…
1629		2653
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2655
1632	if ($self->{record_replies}) {	2656	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2658
1634	} else {	2659	} else {
		2660	my $pl = $self->contr;
		2661
		2662	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2663	my $dialog = $pl->{npc_dialog};
		2664	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2665
		2666	} else {
1635	$msg = $npc->name . " says: $msg" if $npc;	2667	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2668	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2669	}
1637	}	2670	}
		2671	}
		2672
		2673	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2674
		2675	=cut
		2676
		2677	sub cf::object::send_msg {
		2678	my $pl = shift->contr
		2679	or return;
		2680	$pl->send_msg (@_);
1638	}	2681	}
1639		2682
1640	=item $player_object->may ("access")	2683	=item $player_object->may ("access")
1641		2684
1642	Returns wether the given player is authorized to access resource "access"	2685	Returns wether the given player is authorized to access resource "access"
…		…
1655		2698
1656	=item $player_object->enter_link	2699	=item $player_object->enter_link
1657		2700
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2701	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2702
1660	The player should be reaosnably safe there for short amounts of time. You	2703	The player should be reasonably safe there for short amounts of time (e.g.
1661	I<MUST> call C<leave_link> as soon as possible, though.	2704	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2705	though, as the player cannot control the character while it is on the link
		2706	map.
		2707
		2708	Will never block.
1662		2709
1663	=item $player_object->leave_link ($map, $x, $y)	2710	=item $player_object->leave_link ($map, $x, $y)
1664		2711
1665	Moves the player out of the specila link map onto the given map. If the	2712	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2713	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2714	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2715	fails, to the emergency map position.
1669		2716
1670	Might block.	2717	Might block.
1671		2718
1672	=cut	2719	=cut
		2720
		2721	sub link_map {
		2722	unless ($LINK_MAP) {
		2723	$LINK_MAP = cf::map::find "{link}"
		2724	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2725	$LINK_MAP->load;
		2726	}
		2727
		2728	$LINK_MAP
		2729	}
1673		2730
1674	sub cf::object::player::enter_link {	2731	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2732	my ($self) = @_;
1676		2733
1677	$self->deactivate_recursive;	2734	$self->deactivate_recursive;
1678		2735
1679	return if $self->map == $LINK_MAP;	2736	++$self->{_link_recursion};
		2737
		2738	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2739
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2740	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2741	if $self->map && $self->map->{path} ne "{link}";
1683		2742
1684	$self->enter_map ($LINK_MAP, 20, 20);	2743	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1685	}	2744	}
1686		2745
1687	sub cf::object::player::leave_link {	2746	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2747	my ($self, $map, $x, $y) = @_;
		2748
		2749	return unless $self->contr->active;
1689		2750
1690	my $link_pos = delete $self->{_link_pos};	2751	my $link_pos = delete $self->{_link_pos};
1691		2752
1692	unless ($map) {	2753	unless ($map) {
1693	# restore original map position	2754	# restore original map position
…		…
1704	($x, $y) = (-1, -1)	2765	($x, $y) = (-1, -1)
1705	unless (defined $x) && (defined $y);	2766	unless (defined $x) && (defined $y);
1706		2767
1707	# use -1 or undef as default coordinates, not 0, 0	2768	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2769	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2770	if $x <= 0 && $y <= 0;
1710		2771
1711	$map->load;	2772	$map->load;
		2773	$map->load_neighbours;
1712		2774
1713	return unless $self->contr->active;	2775	return unless $self->contr->active;
		2776
		2777	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2778	if ($self->enter_map ($map, $x, $y)) {
		2779	# entering was successful
		2780	delete $self->{_link_recursion};
		2781	# only activate afterwards, to support waiting in hooks
1714	$self->activate_recursive;	2782	$self->activate_recursive;
1715	$self->enter_map ($map, $x, $y);
1716	}
1717
1718	cf::player->attach (
1719	on_logout => sub {
1720	my ($pl) = @_;
1721
1722	# abort map switching before logout
1723	if ($pl->ob->{_link_pos}) {
1724	cf::sync_job {
1725	$pl->ob->leave_link
1726	};
1727	}
1728	},	2783	}
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2784
1732	# try to abort aborted map switching on player login :)	2785	}
1733	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749		2786
1750	=item $player_object->goto ($path, $x, $y)	2787	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1751		2788
		2789	Moves the player to the given map-path and coordinates by first freezing
		2790	her, loading and preparing them map, calling the provided $check callback
		2791	that has to return the map if sucecssful, and then unfreezes the player on
		2792	the new (success) or old (failed) map position. In either case, $done will
		2793	be called at the end of this process.
		2794
		2795	Note that $check will be called with a potentially non-loaded map, so if
		2796	it needs a loaded map it has to call C<< ->load >>.
		2797
1752	=cut	2798	=cut
		2799
		2800	our $GOTOGEN;
1753		2801
1754	sub cf::object::player::goto {	2802	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2803	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2804
1757	$path = new cf::path $path;	2805	if ($self->{_link_recursion} >= $MAX_LINKS) {
1758	$path ne "/" or Carp::cluck ("oy");#d#	2806	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2807	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2808	($path, $x, $y) = @$EMERGENCY_POSITION;
		2809	}
		2810
		2811	# do generation counting so two concurrent goto's will be executed in-order
		2812	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2813
1760	$self->enter_link;	2814	$self->enter_link;
1761		2815
1762	(async {	2816	(async {
1763	my $map = cf::map::find $path->as_string;	2817	$Coro::current->{desc} = "player::goto $path $x $y";
		2818
		2819	# *tag paths override both path and x|y
		2820	if ($path =~ /^\*(.*)$/) {
		2821	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2822	my $ob = $obs[rand @obs];
		2823
		2824	# see if we actually can go there
		2825	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2826	$ob = $obs[rand @obs];
		2827	} else {
		2828	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	}
		2830	# else put us there anyways for now #d#
		2831
		2832	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2833	} else {
		2834	($path, $x, $y) = (undef, undef, undef);
		2835	}
		2836	}
		2837
		2838	my $map = eval {
		2839	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2840
		2841	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2842	$map = $map->customise_for ($self);
1765		2843	$map = $check->($map, $x, $y, $self) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2844	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2845	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	}
1770		2847
		2848	$map
		2849	};
		2850
		2851	if ($@) {
		2852	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	LOG llevError | logBacktrace, Carp::longmess $@;
		2854	}
		2855
		2856	if ($gen == $self->{_goto_generation}) {
		2857	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2858	$self->leave_link ($map, $x, $y);
		2859	}
		2860
		2861	$done->($self) if $done;
1772	})->prio (1);	2862	})->prio (1);
1773	}	2863	}
1774		2864
1775	=item $player_object->enter_exit ($exit_object)	2865	=item $player_object->enter_exit ($exit_object)
1776		2866
…		…
1778		2868
1779	sub parse_random_map_params {	2869	sub parse_random_map_params {
1780	my ($spec) = @_;	2870	my ($spec) = @_;
1781		2871
1782	my $rmp = { # defaults	2872	my $rmp = { # defaults
1783	xsize => 10,	2873	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2874	ysize => (cf::rndm 15, 40),
		2875	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2876	#layout => string,
1785	};	2877	};
1786		2878
1787	for (split /\n/, $spec) {	2879	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2880	my ($k, $v) = split /\s+/, $_, 2;
1789		2881
…		…
1801	# that depends on the exit object	2893	# that depends on the exit object
1802		2894
1803	my $rmp = parse_random_map_params $exit->msg;	2895	my $rmp = parse_random_map_params $exit->msg;
1804		2896
1805	if ($exit->map) {	2897	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2898	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2899	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2900	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2901	$rmp->{origin_y} = $exit->y;
		2902
		2903	$exit->map->touch;
1810	}	2904	}
1811		2905
1812	$rmp->{random_seed} ||= $exit->random_seed;	2906	$rmp->{random_seed} ||= $exit->random_seed;
1813		2907
1814	my $data = cf::to_json $rmp;	2908	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1815	my $md5 = Digest::MD5::md5_hex $data;	2909	my $md5 = Digest::MD5::md5_hex $data;
		2910	my $meta = "$RANDOMDIR/$md5.meta";
1816		2911
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2912	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2913	aio_write $fh, 0, (length $data), $data, 0;
		2914	undef $fh;
		2915	aio_rename "$meta~", $meta;
1819		2916
		2917	my $slaying = "?random/$md5";
		2918
		2919	if ($exit->valid) {
1820	$exit->slaying ("?random/$md5");	2920	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2921	$exit->msg (undef);
		2922	}
1822	}	2923	}
1823	}	2924	}
1824		2925
1825	sub cf::object::player::enter_exit {	2926	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2927	my ($self, $exit) = @_;
…		…
1828	return unless $self->type == cf::PLAYER;	2929	return unless $self->type == cf::PLAYER;
1829		2930
1830	$self->enter_link;	2931	$self->enter_link;
1831		2932
1832	(async {	2933	(async {
1833	$self->deactivate_recursive; # just to be sure	2934	$Coro::current->{desc} = "enter_exit";
		2935
1834	unless (eval {	2936	unless (eval {
		2937	$self->deactivate_recursive; # just to be sure
		2938
		2939	# random map handling
		2940	{
		2941	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2942
1835	prepare_random_map $exit	2943	prepare_random_map $exit
1836	if $exit->slaying eq "/!";	2944	if $exit->slaying eq "/!";
		2945	}
1837		2946
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
1840		2950
		2951	$self->goto ($map, $x, $y);
		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
1841	1;	2957	1
1842	}) {	2958	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
1844	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2961	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2963
1848	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
1849	$self->leave_link;	2965	$self->leave_link;
1850	}	2966	}
1851	})->prio (1);	2967	})->prio (1);
1852	}	2968	}
1853		2969
…		…
1864		2980
1865	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
1867		2983
1868	utf8::encode $text;	2984	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2986	}
1871		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
		3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3014
		3015	Send a drawinfo or msg packet to the client, formatting the msg for the
		3016	client if neccessary. C<$type> should be a string identifying the type of
		3017	the message, with C<log> being the default. If C<$color> is negative, suppress
		3018	the message unless the client supports the msg packet.
		3019
		3020	=cut
		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
		3136	sub cf::client::send_msg {
		3137	my ($self, $channel, $msg, $color, @extra) = @_;
		3138
		3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
		3175	=item $client->ext_msg ($type, @msg)
		3176
		3177	Sends an ext event to the client.
		3178
		3179	=cut
		3180
		3181	sub cf::client::ext_msg($$@) {
		3182	my ($self, $type, @msg) = @_;
		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
		3187	push @msg, msgtype => "event_$type";
		3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
		3208	}
1872		3209
1873	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
1874		3211
1875	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3213	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3214	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		3215
1879	Queries can fail, so check the return code. Or don't, as queries will become	3216	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	3217	become reliable at some point in the future.
1881		3218
1882	=cut	3219	=cut
1883		3220
1884	sub cf::client::query {	3221	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	3230	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		3232
1896	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
1898	}	3237	}
1899		3238
1900	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
1901	on_reply => sub {	3245	on_reply => sub {
1902	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
1903		3247
1904	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
1905	# get handled first	3249	# get handled first
1906	my $queue = delete $ns->{query_queue}	3250	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	3251	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		3252
1909	(shift @$queue)->[1]->($msg);	3253	(shift @$queue)->[1]->($msg);
		3254	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		3255
1911	push @{ $ns->{query_queue} }, @$queue;	3256	push @{ $ns->{query_queue} }, @$queue;
1912		3257
1913	if (@{ $ns->{query_queue} } == @$queue) {	3258	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	3259	if (@$queue) {
…		…
1916	} else {	3261	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	3263	}
1919	}	3264	}
1920	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($ns, $buf) = @_;
		3268
		3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3270
		3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
		3279	if (my $cb = $EXTICMD{$type}) {
		3280	@reply = $cb->($ns, @payload);
		3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
		3286	} else {
		3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3288	}
		3289
		3290	cf::override;
		3291	},
1921	);	3292	);
1922		3293
1923	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
1924		3295
1925	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
1941		3312
1942	$coro	3313	$coro
1943	}	3314	}
1944		3315
1945	cf::client->attach (	3316	cf::client->attach (
1946	on_destroy => sub {	3317	on_client_destroy => sub {
1947	my ($ns) = @_;	3318	my ($ns) = @_;
1948		3319
1949	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1950	},	3321	},
1951	);	3322	);
…		…
1966	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
1968		3339
1969	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
1970		3341
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
1972		3347
1973	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
1974		3349
1975	=pod	3350	=pod
1976		3351
1977	The following fucntions and emthods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
1978		3353
1979	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
1980	cf::object::player player	3359	cf::object::player
1981	cf::player peaceful	3360	player
1982	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
1983		3367
1984	=cut	3368	=cut
1985		3369
1986	for (	3370	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
1988	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
1990	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
1991	) {	3377	) {
1992	no strict 'refs';
1993	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
1994	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1995	for @funs;	3380	for @funs;
1996	}	3381	}
1997		3382
…		…
2012		3397
2013	my $qcode = $code;	3398	my $qcode = $code;
2014	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2015	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2016		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2017	local $_;	3405	local $_;
2018	local @safe::cf::_safe_eval_args = values %vars;
2019		3406
2020	my $eval =	3407	my $eval =
2021	"do {\n"	3408	"do {\n"
2022	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2023	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2024	. $code	3411	. $code
2025	. "\n}"	3412	. "\n}"
2026	;	3413	;
2027		3414
		3415	if ($CFG{safe_eval}) {
2028	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2029	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2030	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2031		3424
2032	if ($@) {	3425	if ($@) {
2033	warn "$@";	3426	warn "$@",
2034	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2035	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2036	}	3429	}
2037		3430
2038	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2039	}	3432	}
2040		3433
…		…
2054	=cut	3447	=cut
2055		3448
2056	sub register_script_function {	3449	sub register_script_function {
2057	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2058		3451
2059	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2060	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2061	}	3454	}
2062		3455
2063	=back	3456	=back
2064		3457
2065	=cut	3458	=cut
2066		3459
2067	#############################################################################	3460	#############################################################################
		3461	# the server's init and main functions
2068		3462
2069	=head2 EXTENSION DATABASE SUPPORT	3463	sub load_facedata($) {
		3464	my ($path) = @_;
2070		3465
2071	Crossfire maintains a very simple database for extension use. It can	3466	# HACK to clear player env face cache, we need some signal framework
2072	currently store anything that can be serialised using Storable, which	3467	# for this (global event?)
2073	excludes objects.	3468	%ext::player_env::MUSIC_FACE_CACHE = ();
2074		3469
2075	The parameter C<$family> should best start with the name of the extension	3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2076	using it, it should be unique.
2077		3471
2078	=over 4	3472	trace "loading facedata from $path\n";
2079		3473
2080	=item $hashref = cf::db_get $family	3474	my $facedata = decode_storable load_file $path;
2081		3475
2082	Return a hashref for use by the extension C<$family>, which can be	3476	$facedata->{version} == 2
2083	modified. After modifications, you have to call C<cf::db_dirty> or	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2084	C<cf::db_sync>.
2085		3478
2086	=item $value = cf::db_get $family => $key	3479	# patch in the exptable
2087		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2088	Returns a single value from the database	3481	$facedata->{resource}{"res/exp_table"} = {
2089		3482	type => FT_RSRC,
2090	=item cf::db_put $family => $hashref	3483	data => $exp_table,
2091		3484	hash => (Digest::MD5::md5 $exp_table),
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}
2118
2119	my $pid;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	3485	};
		3486	cf::cede_to_tick;
2141		3487
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}	3488	{
		3489	my $faces = $facedata->{faceinfo};
2146		3490
2147	sub db_get($;$) {	3491	while (my ($face, $info) = each %$faces) {
2148	@_ >= 2	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		3493
2153	sub db_put($$;$) {	3494	cf::face::set_visibility $idx, $info->{visibility};
2154	if (@_ >= 3) {	3495	cf::face::set_magicmap $idx, $info->{magicmap};
2155	$DB->{$_[0]}{$_[1]} = $_[2];	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2156	} else {	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2157	$DB->{$_[0]} = $_[1];	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2158	}
2159	db_dirty;
2160	}
2161		3499
2162	cf::global->attach (	3500	cf::cede_to_tick;
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	3501	}
2167	);
2168	}
2169		3502
2170	#############################################################################	3503	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	3504	next unless $info->{smooth};
2172		3505
2173	sub cfg_load {	3506	my $idx = cf::face::find $face
2174	open my $fh, "<:utf8", cf::confdir . "/config"	3507	or next;
2175	or return;
2176		3508
2177	local $/;	3509	if (my $smooth = cf::face::find $info->{smooth}) {
2178	*CFG = YAML::Syck::Load <$fh>;	3510	cf::face::set_smooth $idx, $smooth;
		3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3512	} else {
		3513	error "smooth face '$info->{smooth}' not found for face '$face'";
		3514	}
2179		3515
		3516	cf::cede_to_tick;
		3517	}
		3518	}
		3519
		3520	{
		3521	my $anims = $facedata->{animinfo};
		3522
		3523	while (my ($anim, $info) = each %$anims) {
		3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3525	cf::cede_to_tick;
		3526	}
		3527
		3528	cf::anim::invalidate_all; # d'oh
		3529	}
		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
		3550	1
		3551	}
		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
		3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
		3576	load_resource_file "$MAPDIR/regions"
		3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
		3583	}
		3584
		3585	sub reload_facedata {
		3586	load_facedata "$DATADIR/facedata"
		3587	or die "unable to load facedata\n";
		3588	}
		3589
		3590	sub reload_archetypes {
		3591	load_resource_file "$DATADIR/archetypes"
		3592	or die "unable to load archetypes\n";
		3593	}
		3594
		3595	sub reload_treasures {
		3596	load_resource_file "$DATADIR/treasures"
		3597	or die "unable to load treasurelists\n";
		3598	}
		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
		3620	sub reload_resources {
		3621	trace "reloading resource files...\n";
		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
		3628	reload_regions;
		3629	reload_treasures;
		3630
		3631	trace "finished reloading resource files\n";
		3632	}
		3633
		3634	sub reload_config {
		3635	trace "reloading config file...\n";
		3636
		3637	my $config = load_file "$CONFDIR/config";
		3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
		3640
2180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2181		3642
2182	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2183	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2184		3645
2185	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2189	};	3650	};
2190	warn $@ if $@;	3651	warn $@ if $@;
2191	}	3652	}
2192	}	3653	}
2193		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
2194	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2195	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2198	async { Event::one_event };	3696	(async {
		3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
		3699	})->prio (Coro::PRIO_MAX);
2199	};	3700	};
2200		3701
2201	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
2202	db_load;	3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
		3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2203	load_extensions;	3725	load_extensions;
2204	Event::loop;	3726
		3727	utime time, time, $RUNTIMEFILE;
		3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2205	}	3745	}
2206		3746
2207	#############################################################################	3747	#############################################################################
2208	# initialisation and cleanup	3748	# initialisation and cleanup
2209		3749
2210	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2211	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2212	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2214	data => WF_AUTOCANCEL,
2215	signal => $signal,
2216	cb => sub {
2217	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2218	},
2219	);	3756	};
		3757	}
		3758	}
		3759
		3760	sub write_runtime_sync {
		3761	my $t0 = AE::time;
		3762
		3763	# first touch the runtime file to show we are still running:
		3764	# the fsync below can take a very very long time.
		3765
		3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3767
		3768	my $guard = cf::lock_acquire "write_runtime";
		3769
		3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3771	or return;
		3772
		3773	my $value = $cf::RUNTIME + 90 + 10;
		3774	# 10 is the runtime save interval, for a monotonic clock
		3775	# 60 allows for the watchdog to kill the server.
		3776
		3777	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3778	and return;
		3779
		3780	# always fsync - this file is important
		3781	aio_fsync $fh
		3782	and return;
		3783
		3784	# touch it again to show we are up-to-date
		3785	aio_utime $fh, undef, undef;
		3786
		3787	close $fh
		3788	or return;
		3789
		3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3791	and return;
		3792
		3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3794
2220	}	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2221	}	3846	}
2222		3847
2223	sub emergency_save() {	3848	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2225		3850
2226	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2227		3857
2228	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2229	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2233	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2236	$pl->save;	3869	$pl->save;
2237	}	3870	}
2238	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2239		3872
2240	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2241	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2242	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3878	$map->valid or next;
2244	$map->save;	3879	$map->save;
2245	}	3880	}
2246	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
		3886	BDB::db_env_txn_checkpoint $DB_ENV;
		3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2247	};	3911	};
2248		3912
2249	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2250	}	3914	}
2251		3915
		3916	sub post_cleanup {
		3917	my ($make_core) = @_;
		3918
		3919	IO::AIO::flush;
		3920
		3921	error Carp::longmess "post_cleanup backtrace"
		3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
		3951	}
		3952
2252	sub reload() {	3953	sub do_reload_perl() {
2253	# can/must only be called in main	3954	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2255	warn "can only reload from main coroutine\n";	3956	error "can only reload from main coroutine";
2256	return;	3957	return;
2257	}	3958	}
2258		3959
2259	warn "reloading...";	3960	return if $RELOAD++;
2260		3961
2261	my $guard = freeze_mainloop;	3962	my $t1 = AE::time;
		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
		3970	cf::sync_job {
2262	cf::emergency_save;	3971	#cf::emergency_save;
2263		3972
2264	eval {	3973	trace "perl_reload: cancelling all extension coros";
2265	# if anything goes wrong in here, we should simply crash as we already saved
2266
2267	# cancel all watchers
2268	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}
2271
2272	# cancel all extension coros
2273	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	3975	%EXT_CORO = ();
2275		3976
2276	# unload all extensions	3977	trace "perl_reload: removing commands";
2277	for (@exts) {	3978	%COMMAND = ();
2278	warn "unloading <$_>";
2279	unload_extension $_;
2280	}
2281		3979
2282	# unload all modules loaded from $LIBDIR	3980	trace "perl_reload: removing ext/exti commands";
2283	while (my ($k, $v) = each %INC) {	3981	%EXTCMD = ();
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3982	%EXTICMD = ();
2285		3983
2286	warn "removing <$k>";	3984	trace "perl_reload: unloading/nuking all extensions";
2287	delete $INC{$k};	3985	for my $pkg (@EXTS) {
		3986	trace "... unloading $pkg";
2288		3987
2289	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;
2291
2292	if (my $cb = $k->can ("unload_module")) {	3988	if (my $cb = $pkg->can ("unload")) {
		3989	eval {
2293	$cb->();	3990	$cb->($pkg);
		3991	1
		3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2294	}	3997	}
2295		3998
2296	Symbol::delete_package $k;	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		4000	while (my ($k, $v) = each %INC) {
		4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		4002
		4003	trace "... unloading $k";
		4004	delete $INC{$k};
		4005
		4006	$k =~ s/\.pm$//;
		4007	$k =~ s/\//::/g;
		4008
		4009	if (my $cb = $k->can ("unload_module")) {
		4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2297	}	4014	}
2298		4015
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		4019
2307	# remove register_script_function callbacks	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2308	# TODO
2309
2310	# unload cf.pm "a bit"
2311	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
		4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2312		4023
2313	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2314	# and global variables created in xs	4025	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2316		4027
2317	# reload cf.pm	4028	info "perl_reload: unload completed, starting to reload now";
2318	warn "reloading cf.pm";	4029
		4030	trace "perl_reload: reloading cf.pm";
2319	require cf;	4031	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2321		4033
2322	# load config and database again	4034	trace "perl_reload: loading config and database again";
2323	cf::cfg_load;	4035	cf::reload_config;
2324	cf::db_load;
2325		4036
2326	# load extensions	4037	trace "perl_reload: loading extensions";
2327	warn "load extensions";
2328	cf::load_extensions;	4038	cf::load_extensions;
2329		4039
2330	# reattach attachments to objects	4040	if ($REATTACH_ON_RELOAD) {
2331	warn "reattach";	4041	trace "perl_reload: reattaching attachments to objects/players";
2332	_global_reattach;	4042	_global_reattach; # objects, sockets
		4043	trace "perl_reload: reattaching attachments to maps";
2333	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
		4045	trace "perl_reload: reattaching attachments to players";
		4046	reattach $_ for values %PLAYER;
		4047	}
		4048
		4049	cf::_post_init 1;
		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
		4053	1
		4054	} or do {
		4055	error $@;
		4056	cf::cleanup "perl_reload: error, exiting.";
		4057	};
		4058
		4059	--$RELOAD;
		4060	}
		4061
		4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
		4064	};
		4065
		4066	our $RELOAD_WATCHER; # used only during reload
		4067
		4068	sub reload_perl() {
		4069	# doing reload synchronously and two reloads happen back-to-back,
		4070	# coro crashes during coro_state_free->destroy here.
		4071
		4072	$RELOAD_WATCHER ||= cf::async {
		4073	Coro::AIO::aio_wait cache_extensions;
		4074
		4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4076	do_reload_perl;
		4077	undef $RELOAD_WATCHER;
		4078	};
2334	};	4079	};
2335
2336	if ($@) {
2337	warn $@;
2338	warn "error while reloading, exiting.";
2339	exit 1;
2340	}
2341
2342	warn "reloaded successfully";
2343	};
2344
2345	#############################################################################
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	4080	}
2387
2388	register "<global>", __PACKAGE__;
2389		4081
2390	register_command "reload" => sub {	4082	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2392		4084
2393	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
		4089	reload_perl;
		4090	};
2397	}	4091	}
2398	};	4092	};
2399		4093
2400	unshift @INC, $LIBDIR;	4094	#############################################################################
2401		4095
2402	$TICK_WATCHER = Event->timer (	4096	my $bug_warning = 0;
2403	reentrant => 0,	4097
2404	prio => 0,	4098	our @WAIT_FOR_TICK;
2405	at => $NEXT_TICK || $TICK,	4099	our @WAIT_FOR_TICK_BEGIN;
2406	data => WF_AUTOCANCEL,	4100
2407	cb => sub {	4101	sub wait_for_tick() {
		4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4103
		4104	my $signal = new Coro::Signal;
		4105	push @WAIT_FOR_TICK, $signal;
		4106	$signal->wait;
		4107	}
		4108
		4109	sub wait_for_tick_begin() {
		4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4111
		4112	my $signal = new Coro::Signal;
		4113	push @WAIT_FOR_TICK_BEGIN, $signal;
		4114	$signal->wait;
		4115	}
		4116
		4117	sub tick {
		4118	if ($Coro::current != $Coro::main) {
		4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4120	unless ++$bug_warning > 10;
		4121	return;
		4122	}
		4123
2408	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;
2411		4125
2412	$WAIT_FOR_TICK->broadcast;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2414		4127
2415	# if we are delayed by four ticks or more, skip them all	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2417		4130	Coro::async_pool {
2418	$TICK_WATCHER->at ($NEXT_TICK);	4131	$Coro::current->{desc} = "runtime saver";
2419	$TICK_WATCHER->start;
2420	},
2421	);
2422
2423	IO::AIO::max_poll_time $TICK * 0.2;
2424
2425	Event->io (
2426	fd => IO::AIO::poll_fileno,
2427	poll => 'r',
2428	prio => 5,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,
2435	after => 0,
2436	interval => 10,
2437	cb => sub {
2438	(Coro::unblock_sub {
2439	write_runtime	4132	write_runtime_sync
2440	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2441	})->();	4134	};
2442	},	4135	}
2443	);	4136
		4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4138	$sig->send;
		4139	}
		4140	while (my $sig = shift @WAIT_FOR_TICK) {
		4141	$sig->send;
		4142	}
		4143
		4144	$LOAD = ($NOW - $TICK_START) / $TICK;
		4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4146
		4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
		4153	}
		4154	}
		4155
		4156	{
		4157	# configure BDB
		4158
		4159	BDB::min_parallel 16;
		4160	BDB::max_poll_reqs $TICK * 0.1;
		4161	$AnyEvent::BDB::WATCHER->priority (1);
		4162
		4163	unless ($DB_ENV) {
		4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4170
		4171	cf::sync_job {
		4172	eval {
		4173	BDB::db_env_open
		4174	$DB_ENV,
		4175	$BDBDIR,
		4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4178	0666;
		4179
		4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4181	};
		4182
		4183	cf::cleanup "db_env_open(db): $@" if $@;
		4184	};
		4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
		4196	}
		4197
		4198	{
		4199	# configure IO::AIO
		4200
		4201	IO::AIO::min_parallel 8;
		4202	IO::AIO::max_poll_time $TICK * 0.1;
		4203	undef $AnyEvent::AIO::WATCHER;
		4204	}
		4205
		4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
		4208
		4209	sub _log_backtrace {
		4210	my ($msg, @addr) = @_;
		4211
		4212	$msg =~ s/\n$//;
		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4217	# limit the # of concurrent backtraces
		4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
		4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
		4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
		4225	my @bt = fork_call {
		4226	@addr = map { sprintf "%x", $_ } @addr;
		4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4229	or die "addr2line: $!";
		4230
		4231	my @funcs;
		4232	my @res = <$fh>;
		4233	chomp for @res;
		4234	while (@res) {
		4235	my ($func, $line) = splice @res, 0, 2, ();
		4236	push @funcs, "[$func] $line";
		4237	}
		4238
		4239	@funcs
		4240	};
		4241
		4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4244	LOG llevInfo, "[ABT] $_\n" for @bt;
		4245	--$_log_backtrace;
		4246	};
		4247	} else {
		4248	LOG llevInfo, "[ABT] $msg\n";
		4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4250	}
		4251	}
		4252
		4253	# load additional modules
		4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
2444		4256
2445	END { cf::emergency_save }	4257	END { cf::emergency_save }
2446		4258
2447	1	4259	1
2448		4260

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