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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.565 by root, Sat Apr 30 05:41:17 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	123	our $NEXT_TICK;
52	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);
53		132
54	our %CFG;	133	our %CFG;
55		134
56	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
58		138
59	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		142
67	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
70	binmode STDOUT;	156	binmode STDOUT;
71	binmode STDERR;	157	binmode STDERR;
72		158
73	# read virtual server time, if available	159	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
78	}	164	}
79		165
80	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	167
82	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		170
86	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
87		172
88	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
89		189
90	#############################################################################	190	#############################################################################
91		191
92	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
93		193
…		…
100	=item $cf::RUNTIME	200	=item $cf::RUNTIME
101		201
102	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
103	every server tick.	203	every server tick.
104		204
105	=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
106		208
107	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		213
110	=item $cf::NOW	214	=item $cf::NOW
111		215
112	The time of the last (current) server tick.	216	The time of the last (current) server tick.
113		217
114	=item $cf::TICK	218	=item $cf::TICK
115		219
116	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	232	=item %cf::CFG
119		233
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	235	from wherever your confdir points to.
122		236
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		238
125	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
126	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
127	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.
128	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.
129		259
130	=back	260	=back
131		261
132	=cut	262	=cut
133		263
134	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
135	*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 {
136	my $msg = join "", @_;	271	my $msg = join "", @_;
137	utf8::encode $msg;
138		272
139	$msg .= "\n"	273	$msg .= "\n"
140	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
141		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
142	LOG llevError, $msg;	278	LOG llevWarn, $msg;
143	};	279	};
144	}	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	};
145		294
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		302
153	# 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
154	# within the Safe compartment.	304	# within the Safe compartment.
155	for my $pkg (qw(	305	for my $pkg (qw(
156	cf::global cf::attachable	306	cf::global cf::attachable
157	cf::object cf::object::player	307	cf::object cf::object::player
158	cf::client cf::player	308	cf::client cf::player
159	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
160	cf::map cf::party cf::region	311	cf::party cf::region
161	)) {	312	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	314	}
165		315
166	$Event::DIED = sub {	316	$EV::DIED = sub {
167	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
168	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
169		326
170	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
171		328
172	=over 4	329	=over 4
173		330
…		…
192	$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;
193	$d	350	$d
194	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
195	}	352	}
196		353
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
198		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
199	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
200		369
201	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
202		371
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
211		373
212	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
213		375
214	=cut	376	=cut
215		377
216	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
218	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	}
219	}	443	}
220		444
221	=item cf::lock_wait $string	445	=item cf::lock_wait $string
222		446
223	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
224		448
225	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
226		450
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
230	returned.	454	returned.
231		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
232	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
233	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
234		461
235	=cut	462	=item $locked = cf::lock_active $string
236		463
237	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;
238		469
239	sub lock_wait($) {	470	sub lock_wait($) {
240	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	472	}
248		473
249	sub lock_acquire($) {	474	sub lock_acquire($) {
250	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
251		477
252	# wait, to be sure we are not locked	478	sub lock_active($) {
253	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	480	}
262		481
263	sub freeze_mainloop {	482	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
265		484
266	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	486	}
268	$WRITE_RUNTIME_WATCHER->start;	487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
269	};	556	}
270	$WRITE_RUNTIME_WATCHER->stop;	557	};
271	$TICK_WATCHER->stop;	558
272	$guard	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
273	}	572	}
274		573
275	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
276		575
277	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		581
283	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
284		583
285	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
286		585
287	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
288	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
289	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.
290		590
291	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
292	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
293	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
294	fast or be very important.	594	fast or be very important.
…		…
296	=cut	596	=cut
297		597
298	sub sync_job(&) {	598	sub sync_job(&) {
299	my ($job) = @_;	599	my ($job) = @_;
300		600
301	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
302	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
304		606
305	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	608
307	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
308		610
309	my $busy = 1;	611	my $busy = 1;
310	my @res;	612	my @res;
311		613
312	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	616	@res = eval { $job->() };
314	warn $@ if $@;	617	error $@ if $@;
315	undef $busy;	618	undef $busy;
316	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
317		620
318	while ($busy) {	621	while ($busy) {
319	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
320	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
321		632
322	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
323	} else {	634	} else {
324	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
325		636
…		…
345	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
346		657
347	$coro	658	$coro
348	}	659	}
349		660
350	sub write_runtime {	661	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		662
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
354	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.
355		667
356	my $value = $cf::RUNTIME + 90 + 10;	668	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		669
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	670	sub post_fork {
361	and return;	671	reset_signals;
		672	}
362		673
363	aio_fsync $fh	674	sub fork_call(&@) {
364	and return;	675	my ($cb, @args) = @_;
365		676
366	close $fh	677	# we seemingly have to make a local copy of the whole thing,
367	or return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
368		680
369	aio_rename "$runtime~", $runtime	681	my @res = Coro::Util::fork_eval {
370	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
371		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
372	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 });
373	}	864	}
374		865
375	=back	866	=back
376		867
377	=cut	868	=cut
378		869
379	#############################################################################	870	#############################################################################
380		871
381	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
382		873
383	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
384	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")
385	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
386		877
387	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>
388	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
389	crossfire+).	880	Deliantra).
390		881
391	=over 4	882	=over 4
392		883
393	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
394		885
…		…
438	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
439		930
440	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
441	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
442		933
443	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		936
446	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
447		938
448	=over 4	939	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
558		1049
559	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1054
564	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
566		1057
567	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
572		1063
573	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1066
576	} elsif (ref $type) {	1067	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
578		1069
579	} else {	1070	} else {
580	shift @arg;	1071	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
582	}	1073	}
583	}	1074	}
584	}	1075	}
585		1076
586	sub _object_attach {	1077	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
597	}	1088	}
598		1089
599	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
600	} else {	1091	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1093	}
603		1094
604	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
605	}	1096	}
606		1097
…		…
608	if (ref $_[0]) {	1099	if (ref $_[0]) {
609	_object_attach @_;	1100	_object_attach @_;
610	} else {	1101	} else {
611	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
612	}	1103	}
		1104	_recalc_want;
613	};	1105	};
614		1106
615	# all those should be optimised	1107	# all those should be optimised
616	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1113	reattach ($obj);
622	} else {	1114	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
624	}	1116	}
		1117	_recalc_want;
625	};	1118	};
626		1119
627	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
629		1122
…		…
644	";	1137	";
645	die if $@;	1138	die if $@;
646	}	1139	}
647		1140
648	our $override;	1141	our $override;
649	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?
650		1143
651	sub override {	1144	sub override {
652	$override = 1;	1145	$override = 1;
653	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
654	}	1147	}
655		1148
656	sub do_invoke {	1149	sub do_invoke {
657	my $event = shift;	1150	my $event = shift;
658	my $callbacks = shift;	1151	my $callbacks = shift;
659		1152
660	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
661		1154
662	local $override;	1155	local $override;
663		1156
664	for (@$callbacks) {	1157	for (@$callbacks) {
665	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
666		1159
667	if ($@) {	1160	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1162	override;
671	}	1163	}
672		1164
673	return 1 if $override;	1165	return 1 if $override;
674	}	1166	}
675		1167
676	0	1168	0
677	}	1169	}
678		1170
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1172
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1174
683	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
684		1176
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1180
689	=back	1181	=back
690		1182
691	=cut	1183	=cut
692		1184
693	#############################################################################	1185	#############################################################################
694	# 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	}
695		1229
696	sub reattach {	1230	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1232	my ($obj) = @_;
699		1233
		1234	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1236
702	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
703		1238
704	@$registry = ();	1239	@$registry = ();
705		1240
…		…
710	for (@$attach) {	1245	for (@$attach) {
711	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
713	}	1248	}
714	} else {	1249	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1251	}
717	}	1252	}
718	}	1253	}
719		1254
720	cf::attachable->attach (	1255	cf::attachable->attach (
721	prio => -1000000,	1256	prio => -1000000,
722	on_instantiate => sub {	1257	on_instantiate => sub {
723	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
724		1259
725	$data = from_json $data;	1260	$data = decode_json $data;
726		1261
727	for (@$data) {	1262	for (@$data) {
728	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
729		1264
730	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1281	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
748		1283
749	sync_job {	1284	sync_job {
750	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
753		1290
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$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;
757	aio_fsync $fh;	1296	aio_fsync $fh;
		1297	}
758	close $fh;	1298	aio_close $fh;
759		1299
760	if (@$objs) {	1300	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	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;
765	aio_fsync $fh;	1307	aio_fsync $fh;
		1308	}
766	close $fh;	1309	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
768	}	1311	}
769	} else {	1312	} else {
770	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
771	}	1314	}
772		1315
773	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1320	} else {
775	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
776	}	1322	}
777	} else {	1323	} else {
778	aio_unlink $filename;	1324	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
780	}	1326	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1327	};
788	}	1328	}
789		1329
790	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
792		1332
…		…
797		1337
798	sub object_thawer_load {	1338	sub object_thawer_load {
799	my ($filename) = @_;	1339	my ($filename) = @_;
800		1340
801	my ($data, $av);	1341	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1342
806	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
807	or return;	1344	or return;
808		1345
809	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
811	or return;	1348	or return;
		1349
812	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
813	}	1352	}
814		1353
		1354	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
817	return ($data, $av);	1359	($data, $av)
818	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
819		1367
820	#############################################################################	1368	#############################################################################
821	# command handling &c	1369	# command handling &c
822		1370
823	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1385	}
838		1386
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1388
841	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.
842		1394
843	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
844	called.	1396	called.
845		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
846	=cut	1409	=cut
847		1410
848	sub register_extcmd {	1411	sub register_extcmd {
849	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
850		1413
851	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
852	}	1415	}
853		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
854	cf::player->attach (	1425	cf::player->attach (
855	on_command => sub {	1426	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
857		1428
858	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
859	or return;	1430	or return;
860		1431
…		…
865	cf::override;	1436	cf::override;
866	},	1437	},
867	on_extcmd => sub {	1438	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
869		1440
870	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1442
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
878	} else {	1458	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1460	}
881		1461
882	cf::override;	1462	cf::override;
883	},	1463	},
884	);	1464	);
885		1465
		1466	# "readahead" all extensions
886	sub load_extension {	1467	sub cache_extensions {
887	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
888		1469
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1473	}
914	die $@;
915	}	1474	};
916		1475
917	push @EXTS, $pkg;	1476	$grp
918	}	1477	}
919		1478
920	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
921	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1486	next unless -r $path;
923	eval {	1487
924	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	}
925	1	1551	}
926	} 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	}
927	}	1564	};
928	}	1565	}
929		1566
930	#############################################################################	1567	#############################################################################
931		1568
		1569	=back
		1570
932	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
933		1572
934	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
935		1574
936	=cut	1575	=cut
937		1576
938	package cf::player;	1577	package cf::player;
939		1578
…		…
941		1580
942	=head3 cf::player	1581	=head3 cf::player
943		1582
944	=over 4	1583	=over 4
945		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
946	=item cf::player::find $login	1599	=item cf::player::find $login
947		1600
948	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
949		1602
950	=cut	1603	=cut
951		1604
952	sub playerdir($) {	1605	sub playerdir($) {
953	cf::localdir	1606	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1608	}
959		1609
960	sub path($) {	1610	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1612
963	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
964	}	1614	}
965		1615
966	sub find_active($) {	1616	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
971		1621
972	sub exists($) {	1622	sub exists($) {
973	my ($login) = @_;	1623	my ($login) = @_;
974		1624
975	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
977	}	1627	}
978		1628
979	sub find($) {	1629	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1631	my $login = $_[0];
982		1632
983	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
984		1634
985	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
989	}	1652	}
990	}	1653	}
991	}	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	);
992		1668
993	sub save($) {	1669	sub save($) {
994	my ($pl) = @_;	1670	my ($pl) = @_;
995		1671
996	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1002		1678
1003	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1005		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
1006	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1007	Coro::cede;	1688	cf::cede_to_tick;
1008	}	1689	}
1009		1690
1010	sub new($) {	1691	sub new($) {
1011	my ($login) = @_;	1692	my ($login) = @_;
1012		1693
…		…
1018	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1019		1700
1020	$self	1701	$self
1021	}	1702	}
1022		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
1023	=item $pl->quit_character	1714	=item $pl->quit_character
1024		1715
1025	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
1026	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1027		1718
1028	=cut	1719	=cut
1029		1720
1030	sub quit_character {	1721	sub quit_character {
1031	my ($pl) = @_;	1722	my ($pl) = @_;
1032		1723
		1724	my $name = $pl->ob->name;
		1725
1033	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1034	$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
1035		1728
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1039	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1040		1737
1041	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1764	}
1048		1765
1049	=item cf::player::list_logins	1766	=item cf::player::list_logins
1050		1767
1051	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
1052	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1053		1770
1054	=cut	1771	=cut
1055		1772
1056	sub list_logins {	1773	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1775	or return [];
1059		1776
1060	my @logins;	1777	my @logins;
1061		1778
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1066		1789
1067	utf8::decode $login;	1790	utf8::decode $login;
1068	push @logins, $login;	1791	push @logins, $login;
1069	}	1792	}
1070		1793
1071	\@logins	1794	\@logins
1072	}	1795	}
1073		1796
1074	=item $player->maps	1797	=item $player->maps
1075		1798
		1799	=item cf::player::maps $login
		1800
1076	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1077	player. May block.	1802	player. May block.
1078		1803
1079	=cut	1804	=cut
1080		1805
1081	sub maps($) {	1806	sub maps($) {
1082	my ($pl) = @_;	1807	my ($pl) = @_;
		1808
		1809	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1810
1084	my $files = aio_readdir playerdir $pl	1811	my $files = aio_readdir playerdir $pl
1085	or return;	1812	or return;
1086		1813
1087	my @paths;	1814	my @paths;
…		…
1089	for (@$files) {	1816	for (@$files) {
1090	utf8::decode $_;	1817	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1093		1820
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1821	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1822	}
1096		1823
1097	\@paths	1824	\@paths
1098	}	1825	}
1099		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1101		1832
1102	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1103		1834
1104	=cut	1835	=cut
1105		1836
1106	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1108		1839
1109	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1841	}
1113		1842
1114	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		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	}
1115		1885
1116	=back	1886	=back
1117
1118		1887
1119	=head3 cf::map	1888	=head3 cf::map
1120		1889
1121	=over 4	1890	=over 4
1122		1891
…		…
1134	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1136		1905
1137	sub generate_random_map {	1906	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1139	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1140	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1144	$rmp->{exit_on_final_map},
1145	$rmp->{xsize}, $rmp->{ysize},
1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1151	(cf::region::find $rmp->{region}), $rmp->{custom}
1152	)
1153	}	1912	}
1154		1913
1155	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1156		1915
1157	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1162		1921
1163	sub register {	1922	sub register {
1164	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1165	my $pkg = caller;	1924	my $pkg = caller;
1166		1925
1167	no strict;
1168	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1169		1927
1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1171	}	1929	}
1172		1930
1173	# also paths starting with '/'	1931	# also paths starting with '/'
1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1175		1933
1176	sub thawer_merge {	1934	sub thawer_merge {
1177	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1178		1936
1179	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1180	local $self->{path};	1938	local $self->{path};
1181	local $self->{load_path};	1939	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1940
1185	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1186	}	1942	}
1187		1943
1188	sub normalise {	1944	sub normalise {
1189	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1190		1946
1191	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1192		1948
1193	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1194		1950
1195	# map plan:	1951	# map plan:
1196	#	1952	#
…		…
1198	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1199	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1200	# ?random/... random maps	1956	# ?random/... random maps
1201	# /... normal maps	1957	# /... normal maps
1202	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1203		1960
1204	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1205		1962
1206	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1207	# something that looks reasonable	1964	# something that looks reasonable
1208	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1209	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1210		1967
1211	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1212	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1213	}	1984	}
1214		1985
1215	for ($path) {	1986	for ($path) {
1216	redo if s{//}{/};
1217	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1218	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1219	}	1989	}
1220		1990
1221	$path	1991	$path
…		…
1235	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1236	return $self;	2006	return $self;
1237	}	2007	}
1238	}	2008	}
1239		2009
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1241	()	2011	()
1242	}	2012	}
1243		2013
		2014	# may re-bless or do other evil things
1244	sub init {	2015	sub init {
1245	my ($self) = @_;	2016	my ($self) = @_;
1246		2017
1247	$self	2018	$self
1248	}	2019	}
…		…
1260		2031
1261	# the original (read-only) location	2032	# the original (read-only) location
1262	sub load_path {	2033	sub load_path {
1263	my ($self) = @_;	2034	my ($self) = @_;
1264		2035
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2036	"$MAPDIR/$self->{path}.map"
1266	}	2037	}
1267		2038
1268	# the temporary/swap location	2039	# the temporary/swap location
1269	sub save_path {	2040	sub save_path {
1270	my ($self) = @_;	2041	my ($self) = @_;
1271		2042
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2044	"$TMPDIR/$path.map"
1274	}	2045	}
1275		2046
1276	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1277	sub uniq_path {	2048	sub uniq_path {
1278	my ($self) = @_;	2049	my ($self) = @_;
1279		2050
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2052	"$UNIQUEDIR/$path"
1282	}	2053	}
1283		2054
1284	# and all this just because we cannot iterate over	2055	sub decay_objects {
1285	# all maps in C++...
1286	sub change_all_map_light {
1287	my ($change) = @_;	2056	my ($self) = @_;
1288		2057
1289	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1290	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1291	}	2061	}
1292		2062
1293	sub unlink_save {	2063	sub unlink_save {
1294	my ($self) = @_;	2064	my ($self) = @_;
1295		2065
1296	utf8::encode (my $save = $self->save_path);	2066	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2067	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2068	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	2069	}
1305		2070
1306	sub load_header_from($) {	2071	sub load_header_from($) {
1307	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1308		2073
1309	utf8::encode $path;	2074	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	2076	or return;
		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
1315		2083
1316	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1317		2085
1318	1	2086	1
1319	}	2087	}
…		…
1358	$self->load_header_orig	2126	$self->load_header_orig
1359	or return;	2127	or return;
1360	$self->prepare_orig;	2128	$self->prepare_orig;
1361	}	2129	}
1362		2130
		2131	$self->{deny_reset} = 1
		2132	if $self->no_reset;
		2133
		2134	$self->default_region (cf::region::find_by_path $self->{path})
		2135	unless $self->default_region;
		2136
1363	1	2137	1
1364	}	2138	}
1365		2139
1366	sub find;	2140	sub find;
1367	sub find {	2141	sub find {
1368	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1369		2143
		2144	cf::cede_to_tick;
		2145
1370	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1371		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1373		2150
1374	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";
1376	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1377	or return;	2153	or return;
1378		2154
1379	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1380		2156
1381	$map->load_header	2157	$map->load_header
1382	or return;	2158	or return;
1383		2159
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1387	$map->reset;	2165	$map->reset;
1388	undef $guard;
1389	return find $path;	2166	return find $path;
1390	}	2167	}
1391		2168
1392	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1393	}	2170	}
1394	}	2171	}
1395		2172
1396	sub pre_load { }	2173	sub pre_load { }
1397	sub post_load { }	2174	#sub post_load { } # XS
1398		2175
1399	sub load {	2176	sub load {
1400	my ($self) = @_;	2177	my ($self) = @_;
1401		2178
1402	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
1403		2180
1404	my $path = $self->{path};	2181	my $path = $self->{path};
		2182
		2183	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1406		2185
		2186	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		2188
1409	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1410		2190
1411	$self->alloc;	2191	$self->alloc;
1412		2192
1413	$self->pre_load;	2193	$self->pre_load;
		2194	cf::cede_to_tick;
1414		2195
1415	$self->_load_objects ($self->{load_path}, 1)	2196	if (exists $self->{load_path}) {
		2197	my $f = new_from_file cf::object::thawer $self->{load_path};
		2198	$f->skip_block;
		2199	$self->_load_objects ($f)
1416	or return;	2200	or return;
1417		2201
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1419	if delete $self->{load_original};	2203	if delete $self->{load_original};
1420		2204
1421	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2206	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2209	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1426	}	2214	}
1427	}
1428		2215
1429	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
1430		2218
		2219	cf::cede_to_tick;
1431	# now do the right thing for maps	2220	# now do the right thing for maps
1432	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2223	unless $self->difficulty;
1442	Coro::cede;	2224	cf::cede_to_tick;
		2225
		2226	unless ($self->{deny_activate}) {
		2227	$self->decay_objects;
		2228	$self->fix_auto_apply;
		2229	$self->update_buttons;
		2230	cf::cede_to_tick;
1443	$self->activate;	2231	$self->activate;
		2232	}
		2233
		2234	$self->{last_save} = $cf::RUNTIME;
		2235	$self->last_access ($cf::RUNTIME);
		2236
		2237	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2238	}
1445		2239
1446	$self->post_load;	2240	$self->post_load;
1447		2241
1448	$self->in_memory (cf::MAP_IN_MEMORY);	2242	1
1449	}	2243	}
1450		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1451	sub customise_for {	2248	sub customise_for {
1452	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1453		2250
1454	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2252	if $self->per_player;
1456		2253
		2254	# return find "?party/" . $ob->name . "/" . $self->{path}
		2255	# if $self->per_party;
		2256
1457	$self	2257	$self
1458	}	2258	}
1459		2259
1460	# find and load all maps in the 3x3 area around a map	2260	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2261	sub load_neighbours {
1462	my ($map) = @_;	2262	my ($map) = @_;
1463		2263
1464	my @diag; # diagonal neighbours	2264	my @neigh; # diagonal neighbours
1465		2265
1466	for (0 .. 3) {	2266	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2267	my $neigh = $map->tile_path ($_)
1468	or next;	2268	or next;
1469	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1470	or next;	2270	or next;
1471	$neigh->load;	2271	$neigh->load;
1472		2272
		2273	# now find the diagonal neighbours
		2274	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2277	}
1476		2278
1477	for (@diag) {	2279	for (grep defined $_->[0], @neigh) {
		2280	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2281	my $neigh = find $path, $origin
1479	or next;	2282	or next;
1480	$neigh->load;	2283	$neigh->load;
1481	}	2284	}
1482	}	2285	}
1483		2286
1484	sub find_sync {	2287	sub find_sync {
1485	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1486		2289
1487	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
1488	}	2294	}
1489		2295
1490	sub do_load_sync {	2296	sub do_load_sync {
1491	my ($map) = @_;	2297	my ($map) = @_;
1492		2298
1493	cf::sync_job { $map->load };	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2300	if $Coro::current == $Coro::main;
		2301
		2302	$map->load;
1494	}	2303	}
1495		2304
1496	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
1498		2307
1499	sub find_async {	2308	sub find_async {
1500	my ($path, $origin) = @_;	2309	my ($path, $origin, $load) = @_;
1501		2310
1502	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
1503		2312
1504	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2315	}
1507		2316
1508	undef $MAP_PREFETCH{$path};	2317	$MAP_PREFETCH{$path} |= $load;
		2318
1509	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
1510	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2324	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2325	$map->load if $v;
		2326	}
1515		2327
1516	delete $MAP_PREFETCH{$path};	2328	delete $MAP_PREFETCH{$k};
1517	}	2329	}
1518	}	2330	}
1519	undef $MAP_PREFETCHER;	2331	undef $MAP_PREFETCHER;
1520	};	2332	};
1521	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
1522		2334
1523	()	2335	()
1524	}	2336	}
1525		2337
		2338	# common code, used by both ->save and ->swapout
1526	sub save {	2339	sub _save {
1527	my ($self) = @_;	2340	my ($self) = @_;
1528
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1530		2341
1531	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1532		2343
1533	return unless $self->dirty;	2344	return unless $self->dirty;
1534		2345
…		…
1540	return if $self->{deny_save};	2351	return if $self->{deny_save};
1541		2352
1542	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
1543		2354
1544	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
1546	};	2358	};
		2359
		2360	cf::get_slot 0.02;
1547		2361
1548	if ($uniq) {	2362	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2365	} else {
1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1553	}	2367	}
1554	}	2368	}
1555		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
1556	sub swap_out {	2378	sub swap_out {
1557	my ($self) = @_;	2379	my ($self) = @_;
1558		2380
1559	# save first because save cedes
1560	$self->save;
1561
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
1564	return if $self->players;	2385	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};
1567		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
1568	$self->clear;	2396	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2397	}
1571		2398
1572	sub reset_at {	2399	sub reset_at {
1573	my ($self) = @_;	2400	my ($self) = @_;
1574		2401
1575	# TODO: safety, remove and allow resettable per-player maps	2402	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2403	return 1e99 if $self->{deny_reset};
1578		2404
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2405	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2406	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2407
…		…
1592	my ($self) = @_;	2418	my ($self) = @_;
1593		2419
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2421
1596	return if $self->players;	2422	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2423
1599	warn "resetting map ", $self->path;#d#	2424	cf::trace "resetting map ", $self->path, "\n";
		2425
		2426	$self->in_memory (cf::MAP_SWAPPED);
		2427
		2428	# need to save uniques path
		2429	unless ($self->{deny_save}) {
		2430	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2431
		2432	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2433	if $uniq;
		2434	}
1600		2435
1601	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
1602		2437
1603	$self->in_memory (cf::MAP_SWAPPED);	2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2440	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2441
1608	$self->unlink_save;	2442	$self->unlink_save;
1609	$self->destroy;	2443	$self->destroy;
1610	}	2444	}
1611		2445
1612	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
1613		2447
1614	sub nuke {	2448	sub nuke {
1615	my ($self) = @_;	2449	my ($self) = @_;
1616		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
1617	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
1618		2455
1619	$self->unlink_save;	2456	$self->unlink_save;
1620		2457
1621	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
1622	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2463
1627	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
1628		2466
1629	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
		2468	}
		2469
		2470	=item $maps = cf::map::tmp_maps
		2471
		2472	Returns an arrayref with all map paths of currently instantiated and saved
		2473	maps. May block.
		2474
		2475	=cut
		2476
		2477	sub tmp_maps() {
		2478	[
		2479	map {
		2480	utf8::decode $_;
		2481	/\.map$/
		2482	? normalise $_
		2483	: ()
		2484	} @{ aio_readdir $TMPDIR or [] }
		2485	]
		2486	}
		2487
		2488	=item $maps = cf::map::random_maps
		2489
		2490	Returns an arrayref with all map paths of currently instantiated and saved
		2491	random maps. May block.
		2492
		2493	=cut
		2494
		2495	sub random_maps() {
		2496	[
		2497	map {
		2498	utf8::decode $_;
		2499	/\.map$/
		2500	? normalise "?random/$_"
		2501	: ()
		2502	} @{ aio_readdir $RANDOMDIR or [] }
		2503	]
1630	}	2504	}
1631		2505
1632	=item cf::map::unique_maps	2506	=item cf::map::unique_maps
1633		2507
1634	Returns an arrayref of paths of all shared maps that have	2508	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2509	instantiated unique items. May block.
1636		2510
1637	=cut	2511	=cut
1638		2512
1639	sub unique_maps() {	2513	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2514	[
1641	or return;	2515	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2516	utf8::decode $_;
1647	next if /\.pst$/;	2517	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2519	? ()
1650	push @paths, cf::map::normalise $_;	2520	: normalise $_
		2521	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2522	]
1652
1653	\@paths
1654	}	2523	}
1655		2524
1656	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
1657		2556
1658	=back	2557	=back
1659		2558
1660	=head3 cf::object	2559	=head3 cf::object
1661		2560
…		…
1665		2564
1666	=over 4	2565	=over 4
1667		2566
1668	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
1669		2568
1670	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
1671		2571
1672	=cut	2572	=cut
1673		2573
1674	sub inv_recursive_;	2574	sub inv_recursive_;
1675	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
1678		2578
1679	sub inv_recursive {	2579	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
1681	}	2581	}
1682		2582
		2583	=item $ref = $ob->ref
		2584
		2585	Creates and returns a persistent reference to an object that can be stored as a string.
		2586
		2587	=item $ob = cf::object::deref ($refstring)
		2588
		2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2590	even if the object actually exists. May block.
		2591
		2592	=cut
		2593
		2594	sub deref {
		2595	my ($ref) = @_;
		2596
		2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2598	my ($uuid, $name) = ($1, $2);
		2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2600	or return;
		2601	$pl->ob->uuid eq $uuid
		2602	or return;
		2603
		2604	$pl->ob
		2605	} else {
		2606	warn "$ref: cannot resolve object reference\n";
		2607	undef
		2608	}
		2609	}
		2610
1683	package cf;	2611	package cf;
1684		2612
1685	=back	2613	=back
1686		2614
1687	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2621	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
1696		2624
1697	=cut	2625	=cut
		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
1698		2640
1699	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2642	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
1704		2646
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2647	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2648
1707	if ($self->{record_replies}) {	2649	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2650	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2651
1709	} else {	2652	} else {
		2653	my $pl = $self->contr;
		2654
		2655	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2656	my $dialog = $pl->{npc_dialog};
		2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2658
		2659	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2662	}
1712	}	2663	}
		2664	}
		2665
		2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2667
		2668	=cut
		2669
		2670	sub cf::object::send_msg {
		2671	my $pl = shift->contr
		2672	or return;
		2673	$pl->send_msg (@_);
1713	}	2674	}
1714		2675
1715	=item $player_object->may ("access")	2676	=item $player_object->may ("access")
1716		2677
1717	Returns wether the given player is authorized to access resource "access"	2678	Returns wether the given player is authorized to access resource "access"
…		…
1730		2691
1731	=item $player_object->enter_link	2692	=item $player_object->enter_link
1732		2693
1733	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
1734		2695
1735	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
1736	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
1737		2700
1738	Will never block.	2701	Will never block.
1739		2702
1740	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
1741		2704
…		…
1761	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
1762	my ($self) = @_;	2725	my ($self) = @_;
1763		2726
1764	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
1765		2728
		2729	++$self->{_link_recursion};
		2730
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2732
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2734	if $self->map && $self->map->{path} ne "{link}";
1770		2735
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1772	}	2737	}
1773		2738
1774	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
		2741
		2742	return unless $self->contr->active;
1776		2743
1777	my $link_pos = delete $self->{_link_pos};	2744	my $link_pos = delete $self->{_link_pos};
1778		2745
1779	unless ($map) {	2746	unless ($map) {
1780	# restore original map position	2747	# restore original map position
…		…
1791	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
1792	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
1793		2760
1794	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
1797		2764
1798	$map->load;	2765	$map->load;
1799	$map->load_diag;	2766	$map->load_neighbours;
1800		2767
1801	return unless $self->contr->active;	2768	return unless $self->contr->active;
		2769
		2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2771	if ($self->enter_map ($map, $x, $y)) {
		2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
1802	$self->activate_recursive;	2775	$self->activate_recursive;
1803	$self->enter_map ($map, $x, $y);
1804	}
1805
1806	cf::player->attach (
1807	on_logout => sub {
1808	my ($pl) = @_;
1809
1810	# abort map switching before logout
1811	if ($pl->ob->{_link_pos}) {
1812	cf::sync_job {
1813	$pl->ob->leave_link
1814	};
1815	}
1816	},	2776	}
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2777
1820	# try to abort aborted map switching on player login :)	2778	}
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2779
1838	=item $player_object->goto ($path, $x, $y)	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1839		2781
		2782	Moves the player to the given map-path and coordinates by first freezing
		2783	her, loading and preparing them map, calling the provided $check callback
		2784	that has to return the map if sucecssful, and then unfreezes the player on
		2785	the new (success) or old (failed) map position. In either case, $done will
		2786	be called at the end of this process.
		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
		2790
1840	=cut	2791	=cut
		2792
		2793	our $GOTOGEN;
1841		2794
1842	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
		2803
		2804	# do generation counting so two concurrent goto's will be executed in-order
		2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2806
1845	$self->enter_link;	2807	$self->enter_link;
1846		2808
1847	(async {	2809	(async {
		2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
		2812	# *tag paths override both path and x|y
		2813	if ($path =~ /^\*(.*)$/) {
		2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2815	my $ob = $obs[rand @obs];
		2816
		2817	# see if we actually can go there
		2818	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2819	$ob = $obs[rand @obs];
		2820	} else {
		2821	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823	# else put us there anyways for now #d#
		2824
		2825	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2826	} else {
		2827	($path, $x, $y) = (undef, undef, undef);
		2828	}
		2829	}
		2830
1848	my $map = eval {	2831	my $map = eval {
1849	my $map = cf::map::find $path;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2833
		2834	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2835	$map = $map->customise_for ($self);
		2836	$map = $check->($map, $x, $y, $self) if $check && $map;
		2837	} else {
		2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840
1851	$map	2841	$map
		2842	};
		2843
		2844	if ($@) {
		2845	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2847	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2848
		2849	if ($gen == $self->{_goto_generation}) {
		2850	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
		2852	}
		2853
		2854	$done->($self) if $done;
1856	})->prio (1);	2855	})->prio (1);
1857	}	2856	}
1858		2857
1859	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
1860		2859
…		…
1880	}	2879	}
1881		2880
1882	sub prepare_random_map {	2881	sub prepare_random_map {
1883	my ($exit) = @_;	2882	my ($exit) = @_;
1884		2883
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2886	# that depends on the exit object
1890		2887
1891	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2890	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
1898	}	2897	}
1899		2898
1900	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
1901		2900
1902	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
1905		2904
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2907	undef $fh;
1909	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
1910		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
1913	}	2916	}
1914	}	2917	}
1915		2918
1916	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
1918		2921
1919	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
1920		2923
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2924	$self->enter_link;
1931		2925
1932	(async {	2926	(async {
1933	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
1934	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
1935	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
1936		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
1937	1;	2950	1
1938	}) {	2951	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2956
1944	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
1945	$self->leave_link;	2958	$self->leave_link;
1946	}	2959	}
1947	})->prio (1);	2960	})->prio (1);
1948	}	2961	}
1949		2962
…		…
1960		2973
1961	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
1963		2976
1964	utf8::encode $text;	2977	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2979	}
1967		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
		3004	}
		3005
		3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3007
		3008	Send a drawinfo or msg packet to the client, formatting the msg for the
		3009	client if neccessary. C<$type> should be a string identifying the type of
		3010	the message, with C<log> being the default. If C<$color> is negative, suppress
		3011	the message unless the client supports the msg packet.
		3012
		3013	=cut
		3014
		3015	# non-persistent channels (usually the info channel)
		3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
		3023	"c/identify" => {
		3024	id => "infobox",
		3025	title => "Identify",
		3026	reply => undef,
		3027	tooltip => "Items recently identified",
		3028	},
		3029	"c/examine" => {
		3030	id => "infobox",
		3031	title => "Examine",
		3032	reply => undef,
		3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
		3127	);
		3128
		3129	sub cf::client::send_msg {
		3130	my ($self, $channel, $msg, $color, @extra) = @_;
		3131
		3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
		3134
		3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3136
		3137	# check predefined channels, for the benefit of C
		3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
		3144	} elsif (ref $channel) {
		3145	# send meta info to client, if not yet sent
		3146	unless (exists $self->{channel}{$channel->{id}}) {
		3147	$self->{channel}{$channel->{id}} = $channel;
		3148	$self->ext_msg (channel_info => $channel);
		3149	}
		3150
		3151	$channel = $channel->{id};
		3152	}
		3153
		3154	return unless @extra || length $msg;
		3155
		3156	# default colour, mask it out
		3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3158	if $color & cf::NDI_DEF;
		3159
		3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
		3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3163	);
		3164
		3165	$self->send_big_packet ($pkt);
		3166	}
		3167
		3168	=item $client->ext_msg ($type, @msg)
		3169
		3170	Sends an ext event to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_msg($$@) {
		3175	my ($self, $type, @msg) = @_;
		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3179	} elsif ($self->extcmd == 1) { # TODO: remove
		3180	push @msg, msgtype => "event_$type";
		3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3182	}
		3183	}
		3184
		3185	=item $client->ext_reply ($msgid, @msg)
		3186
		3187	Sends an ext reply to the client.
		3188
		3189	=cut
		3190
		3191	sub cf::client::ext_reply($$@) {
		3192	my ($self, $id, @msg) = @_;
		3193
		3194	if ($self->extcmd == 2) {
		3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3196	} elsif ($self->extcmd == 1) {
		3197	#TODO: version 1, remove
		3198	unshift @msg, msgtype => "reply", msgid => $id;
		3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3200	}
		3201	}
1968		3202
1969	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
1970		3204
1971	Queues a query to the client, calling the given callback with	3205	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3206	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3207	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		3208
1975	Queries can fail, so check the return code. Or don't, as queries will become	3209	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	3210	become reliable at some point in the future.
1977		3211
1978	=cut	3212	=cut
1979		3213
1980	sub cf::client::query {	3214	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	3215	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	3223	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3224	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		3225
1992	$self->send_packet ($self->{query_queue}[0][0])	3226	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	3227	if @{ $self->{query_queue} } == 1;
		3228
		3229	1
1994	}	3230	}
1995		3231
1996	cf::client->attach (	3232	cf::client->attach (
		3233	on_connect => sub {
		3234	my ($ns) = @_;
		3235
		3236	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3237	},
1997	on_reply => sub {	3238	on_reply => sub {
1998	my ($ns, $msg) = @_;	3239	my ($ns, $msg) = @_;
1999		3240
2000	# this weird shuffling is so that direct followup queries	3241	# this weird shuffling is so that direct followup queries
2001	# get handled first	3242	# get handled first
2002	my $queue = delete $ns->{query_queue}	3243	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3244	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3245
2005	(shift @$queue)->[1]->($msg);	3246	(shift @$queue)->[1]->($msg);
		3247	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3248
2007	push @{ $ns->{query_queue} }, @$queue;	3249	push @{ $ns->{query_queue} }, @$queue;
2008		3250
2009	if (@{ $ns->{query_queue} } == @$queue) {	3251	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3252	if (@$queue) {
…		…
2012	} else {	3254	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3255	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3256	}
2015	}	3257	}
2016	},	3258	},
		3259	on_exticmd => sub {
		3260	my ($ns, $buf) = @_;
		3261
		3262	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3263
		3264	if (ref $msg) {
		3265	my ($type, $reply, @payload) =
		3266	"ARRAY" eq ref $msg
		3267	? @$msg
		3268	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3269
		3270	my @reply;
		3271
		3272	if (my $cb = $EXTICMD{$type}) {
		3273	@reply = $cb->($ns, @payload);
		3274	}
		3275
		3276	$ns->ext_reply ($reply, @reply)
		3277	if $reply;
		3278
		3279	} else {
		3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3281	}
		3282
		3283	cf::override;
		3284	},
2017	);	3285	);
2018		3286
2019	=item $client->async (\&cb)	3287	=item $client->async (\&cb)
2020		3288
2021	Create a new coroutine, running the specified callback. The coroutine will	3289	Create a new coroutine, running the specified callback. The coroutine will
…		…
2037		3305
2038	$coro	3306	$coro
2039	}	3307	}
2040		3308
2041	cf::client->attach (	3309	cf::client->attach (
2042	on_destroy => sub {	3310	on_client_destroy => sub {
2043	my ($ns) = @_;	3311	my ($ns) = @_;
2044		3312
2045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2046	},	3314	},
2047	);	3315	);
…		…
2062	our $safe = new Safe "safe";	3330	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2064		3332
2065	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2066		3334
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3335	$safe->permit_only (Opcode::opset qw(
		3336	:base_core :base_mem :base_orig :base_math :base_loop
		3337	grepstart grepwhile mapstart mapwhile
		3338	sort time
		3339	));
2068		3340
2069	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
2070		3342
2071	=pod	3343	=pod
2072		3344
2073	The following fucntions and emthods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2074		3346
2075	cf::object contr pay_amount pay_player map	3347	cf::object
		3348	contr pay_amount pay_player map x y force_find force_add destroy
		3349	insert remove name archname title slaying race decrease split
		3350	value
		3351
2076	cf::object::player player	3352	cf::object::player
2077	cf::player peaceful	3353	player
2078	cf::map trigger	3354
		3355	cf::player
		3356	peaceful
		3357
		3358	cf::map
		3359	trigger
2079		3360
2080	=cut	3361	=cut
2081		3362
2082	for (	3363	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2084	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2086	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2087	) {	3370	) {
2088	no strict 'refs';
2089	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2091	for @funs;	3373	for @funs;
2092	}	3374	}
2093		3375
…		…
2108		3390
2109	my $qcode = $code;	3391	my $qcode = $code;
2110	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2111	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2112		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2113	local $_;	3398	local $_;
2114	local @safe::cf::_safe_eval_args = values %vars;
2115		3399
2116	my $eval =	3400	my $eval =
2117	"do {\n"	3401	"do {\n"
2118	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2119	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2120	. $code	3404	. $code
2121	. "\n}"	3405	. "\n}"
2122	;	3406	;
2123		3407
		3408	if ($CFG{safe_eval}) {
2124	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2125	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2126	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2127		3417
2128	if ($@) {	3418	if ($@) {
2129	warn "$@";	3419	warn "$@",
2130	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2131	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2132	}	3422	}
2133		3423
2134	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2135	}	3425	}
2136		3426
…		…
2150	=cut	3440	=cut
2151		3441
2152	sub register_script_function {	3442	sub register_script_function {
2153	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2154		3444
2155	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2156	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2157	}	3447	}
2158		3448
2159	=back	3449	=back
2160		3450
2161	=cut	3451	=cut
2162		3452
2163	#############################################################################	3453	#############################################################################
		3454	# the server's init and main functions
2164		3455
2165	=head2 EXTENSION DATABASE SUPPORT	3456	sub load_facedata($) {
		3457	my ($path) = @_;
2166		3458
2167	Crossfire maintains a very simple database for extension use. It can	3459	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3460	# for this (global event?)
2169	excludes objects.	3461	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3462
2171	The parameter C<$family> should best start with the name of the extension	3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3464
2174	=over 4	3465	trace "loading facedata from $path\n";
2175		3466
2176	=item $hashref = cf::db_get $family	3467	my $facedata = decode_storable load_file $path;
2177		3468
2178	Return a hashref for use by the extension C<$family>, which can be	3469	$facedata->{version} == 2
2179	modified. After modifications, you have to call C<cf::db_dirty> or	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
2180	C<cf::db_sync>.
2181		3471
2182	=item $value = cf::db_get $family => $key	3472	# patch in the exptable
2183		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2184	Returns a single value from the database	3474	$facedata->{resource}{"res/exp_table"} = {
2185		3475	type => FT_RSRC,
2186	=item cf::db_put $family => $hashref	3476	data => $exp_table,
2187		3477	hash => (Digest::MD5::md5 $exp_table),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3478	};
		3479	cf::cede_to_tick;
2214		3480
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3481	{
		3482	my $faces = $facedata->{faceinfo};
2226		3483
2227	my $dirty;	3484	while (my ($face, $info) = each %$faces) {
		3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3486
2229	sub db_sync() {	3487	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3488	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2232	}	3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2233		3492
2234	my $idle = Event->idle (	3493	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3494	}
2268	);
2269	}
2270		3495
2271	#############################################################################	3496	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3497	next unless $info->{smooth};
2273		3498
2274	sub cfg_load {	3499	my $idx = cf::face::find $face
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3500	or next;
2276	or return;
2277		3501
2278	local $/;	3502	if (my $smooth = cf::face::find $info->{smooth}) {
2279	*CFG = YAML::Syck::Load <$fh>;	3503	cf::face::set_smooth $idx, $smooth;
		3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3505	} else {
		3506	error "smooth face '$info->{smooth}' not found for face '$face'";
		3507	}
2280		3508
		3509	cf::cede_to_tick;
		3510	}
		3511	}
		3512
		3513	{
		3514	my $anims = $facedata->{animinfo};
		3515
		3516	while (my ($anim, $info) = each %$anims) {
		3517	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3518	cf::cede_to_tick;
		3519	}
		3520
		3521	cf::anim::invalidate_all; # d'oh
		3522	}
		3523
		3524	{
		3525	my $res = $facedata->{resource};
		3526
		3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
		3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3530
		3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3532	cf::face::set_type $idx, $info->{type};
		3533	} else {
		3534	$RESOURCE{$name} = $info; # unused
		3535	}
		3536
		3537	cf::cede_to_tick;
		3538	}
		3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3542
		3543	1
		3544	}
		3545
		3546	register_exticmd fx_want => sub {
		3547	my ($ns, $want) = @_;
		3548
		3549	while (my ($k, $v) = each %$want) {
		3550	$ns->fx_want ($k, $v);
		3551	}
		3552	};
		3553
		3554	sub load_resource_file($) {
		3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
		3563
		3564	sub reload_regions {
		3565	# HACK to clear player env face cache, we need some signal framework
		3566	# for this (global event?)
		3567	%ext::player_env::MUSIC_FACE_CACHE = ();
		3568
		3569	load_resource_file "$MAPDIR/regions"
		3570	or die "unable to load regions file\n";
		3571
		3572	for (cf::region::list) {
		3573	$_->{match} = qr/$_->{match}/
		3574	if exists $_->{match};
		3575	}
		3576	}
		3577
		3578	sub reload_facedata {
		3579	load_facedata "$DATADIR/facedata"
		3580	or die "unable to load facedata\n";
		3581	}
		3582
		3583	sub reload_archetypes {
		3584	load_resource_file "$DATADIR/archetypes"
		3585	or die "unable to load archetypes\n";
		3586	}
		3587
		3588	sub reload_treasures {
		3589	load_resource_file "$DATADIR/treasures"
		3590	or die "unable to load treasurelists\n";
		3591	}
		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
		3613	sub reload_resources {
		3614	trace "reloading resource files...\n";
		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
		3621	reload_regions;
		3622	reload_treasures;
		3623
		3624	trace "finished reloading resource files\n";
		3625	}
		3626
		3627	sub reload_config {
		3628	trace "reloading config file...\n";
		3629
		3630	my $config = load_file "$CONFDIR/config";
		3631	utf8::decode $config;
		3632	*CFG = decode_yaml $config;
		3633
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2282		3635
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2285		3638
2286	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
2290	};	3643	};
2291	warn $@ if $@;	3644	warn $@ if $@;
2292	}	3645	}
2293	}	3646	}
2294		3647
		3648	sub pidfile() {
		3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
		3674	}
		3675
2295	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
2296	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3689	(async {
2300	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
2302	};	3693	};
2303		3694
2304	cfg_load;	3695	evthread_start IO::AIO::poll_fileno;
2305	db_load;	3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
		3707	reload_config;
		3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
2306	load_extensions;	3718	load_extensions;
2307		3719
2308	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
2309	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2310	}	3738	}
2311		3739
2312	#############################################################################	3740	#############################################################################
2313	# initialisation and cleanup	3741	# initialisation and cleanup
2314		3742
2315	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2316	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2325	},
2326	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2327	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2328	}	3839	}
2329		3840
2330	sub emergency_save() {	3841	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2332		3843
2333	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2334		3850
2335	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2336	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2337	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2338	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2340	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3862	$pl->save;
2344	}	3863	}
2345	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2346		3865
2347	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2348	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2349	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3871	$map->valid or next;
2351	$map->save;	3872	$map->save;
2352	}	3873	}
2353	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3904	};
2355		3905
2356	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2357	}	3907	}
2358		3908
		3909	sub post_cleanup {
		3910	my ($make_core) = @_;
		3911
		3912	IO::AIO::flush;
		3913
		3914	error Carp::longmess "post_cleanup backtrace"
		3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
		3944	}
		3945
2359	sub reload() {	3946	sub do_reload_perl() {
2360	# can/must only be called in main	3947	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2362	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2363	return;	3950	return;
2364	}	3951	}
2365		3952
2366	warn "reloading...";	3953	return if $RELOAD++;
2367		3954
2368	warn "cancelling server ticker";	3955	my $t1 = AE::time;
2369	$TICK_WATCHER->cancel;
2370		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
		3963	cf::sync_job {
2371	cf::emergency_save;	3964	#cf::emergency_save;
2372		3965
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	IO::AIO::flush;
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3968	%EXT_CORO = ();
2395		3969
2396	warn "removing commands";	3970	trace "perl_reload: removing commands";
2397	%COMMAND = ();	3971	%COMMAND = ();
2398		3972
2399	warn "removing ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2400	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2401		3976
2402	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2405		3980
2406	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2407	eval {	3982	eval {
2408	$cb->($pkg);	3983	$cb->($pkg);
2409	1	3984	1
2410	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2411	}	3990	}
2412		3991
2413	warn "... nuking $pkg";
2414	Symbol::delete_package $pkg;
2415	}
2416
2417	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2418	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3995
2421	warn "... unloading $k";	3996	trace "... unloading $k";
2422	delete $INC{$k};	3997	delete $INC{$k};
2423		3998
2424	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2426		4001
2427	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2428	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2429	}	4007	}
2430		4008
2431	Symbol::delete_package $k;
2432	}
2433
2434	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		4012
2438	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
		4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2440		4016
2441	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2442	# and global variables created in xs	4018	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2444		4020
2445	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
2446		4022
2447	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
2448	require cf;	4024	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2450		4026
2451	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
2452	cf::cfg_load;	4028	cf::reload_config;
2453	cf::db_load;
2454		4029
2455	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
2456	cf::load_extensions;	4031	cf::load_extensions;
2457		4032
		4033	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2459	_global_reattach;	4035	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2461	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
		4038	trace "perl_reload: reattaching attachments to players";
		4039	reattach $_ for values %PLAYER;
		4040	}
2462		4041
2463	warn "restarting server ticker";	4042	cf::_post_init 1;
2464		4043
2465	$TICK_WATCHER->start;	4044	trace "perl_reload: leaving sync_job";
		4045
		4046	1
		4047	} or do {
		4048	error $@;
		4049	cf::cleanup "perl_reload: error, exiting.";
		4050	};
		4051
		4052	--$RELOAD;
		4053	}
		4054
		4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
		4057	};
		4058
		4059	our $RELOAD_WATCHER; # used only during reload
		4060
		4061	sub reload_perl() {
		4062	# doing reload synchronously and two reloads happen back-to-back,
		4063	# coro crashes during coro_state_free->destroy here.
		4064
		4065	$RELOAD_WATCHER ||= cf::async {
		4066	Coro::AIO::aio_wait cache_extensions;
		4067
		4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4069	do_reload_perl;
		4070	undef $RELOAD_WATCHER;
		4071	};
2466	};	4072	};
2467		4073	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		4074
2479	register_command "reload" => sub {	4075	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2481		4077
2482	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
2484		4080	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	4081	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	4082	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	4083	};
2497	}	4084	}
2498	};	4085	};
2499		4086
2500	unshift @INC, $LIBDIR;	4087	#############################################################################
2501		4088
2502	my $bug_warning = 0;	4089	my $bug_warning = 0;
2503		4090
2504	$TICK_WATCHER = Event->timer (	4091	our @WAIT_FOR_TICK;
2505	reentrant => 0,	4092	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	4093
2507	prio => 0,	4094	sub wait_for_tick() {
2508	at => $NEXT_TICK || $TICK,	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	4096
2510	cb => sub {	4097	my $signal = new Coro::Signal;
		4098	push @WAIT_FOR_TICK, $signal;
		4099	$signal->wait;
		4100	}
		4101
		4102	sub wait_for_tick_begin() {
		4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4104
		4105	my $signal = new Coro::Signal;
		4106	push @WAIT_FOR_TICK_BEGIN, $signal;
		4107	$signal->wait;
		4108	}
		4109
		4110	sub tick {
2511	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
2514	return;	4114	return;
2515	}	4115	}
2516		4116
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		4118
2523	$WAIT_FOR_TICK->broadcast;	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		4120
2526	Event::sweep;	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	Coro::cede_notself;	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4123	Coro::async_pool {
		4124	$Coro::current->{desc} = "runtime saver";
		4125	write_runtime_sync
		4126	or error "ERROR: unable to write runtime file: $!";
		4127	};
		4128	}
		4129
		4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4131	$sig->send;
		4132	}
		4133	while (my $sig = shift @WAIT_FOR_TICK) {
		4134	$sig->send;
		4135	}
		4136
		4137	$LOAD = ($NOW - $TICK_START) / $TICK;
		4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4139
		4140	if (0) {
		4141	if ($NEXT_TICK) {
		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
2528		4145	}
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	4146	}
2538	);	4147	}
2539		4148
		4149	{
		4150	# configure BDB
		4151
		4152	BDB::min_parallel 16;
		4153	BDB::max_poll_reqs $TICK * 0.1;
		4154	$AnyEvent::BDB::WATCHER->priority (1);
		4155
		4156	unless ($DB_ENV) {
		4157	$DB_ENV = BDB::db_env_create;
		4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4163
		4164	cf::sync_job {
		4165	eval {
		4166	BDB::db_env_open
		4167	$DB_ENV,
		4168	$BDBDIR,
		4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4171	0666;
		4172
		4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4174	};
		4175
		4176	cf::cleanup "db_env_open(db): $@" if $@;
		4177	};
		4178	}
		4179
		4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4182	};
		4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4185	};
		4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4188	};
		4189	}
		4190
		4191	{
		4192	# configure IO::AIO
		4193
		4194	IO::AIO::min_parallel 8;
2540	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
		4196	undef $AnyEvent::AIO::WATCHER;
		4197	}
2541		4198
2542	undef $Coro::AIO::WATCHER;	4199	our $_log_backtrace;
2543	$AIO_POLL_WATCHER = Event->io (	4200	our $_log_backtrace_last;
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551		4201
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	4202	sub _log_backtrace {
2553	reentrant => 0,	4203	my ($msg, @addr) = @_;
2554	data => WF_AUTOCANCEL,	4204
2555	after => 1,	4205	$msg =~ s/\n$//;
2556	interval => 10,	4206
2557	prio => 6, # keep it lowest so it acts like a watchdog	4207	if ($_log_backtrace_last eq $msg) {
2558	cb => Coro::unblock_sub {	4208	LOG llevInfo, "[ABT] $msg\n";
2559	write_runtime	4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2560	or warn "ERROR: unable to write runtime file: $!";	4210	# limit the # of concurrent backtraces
		4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
		4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
		4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
		4218	my @bt = fork_call {
		4219	@addr = map { sprintf "%x", $_ } @addr;
		4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4222	or die "addr2line: $!";
		4223
		4224	my @funcs;
		4225	my @res = <$fh>;
		4226	chomp for @res;
		4227	while (@res) {
		4228	my ($func, $line) = splice @res, 0, 2, ();
		4229	push @funcs, "[$func] $line";
		4230	}
		4231
		4232	@funcs
		4233	};
		4234
		4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4237	LOG llevInfo, "[ABT] $_\n" for @bt;
		4238	--$_log_backtrace;
		4239	};
		4240	} else {
		4241	LOG llevInfo, "[ABT] $msg\n";
		4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2561	},	4243	}
2562	);	4244	}
		4245
		4246	# load additional modules
		4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
2563		4249
2564	END { cf::emergency_save }	4250	END { cf::emergency_save }
2565		4251
2566	1	4252	1
2567		4253

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