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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98
		99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
60		120
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	123	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
71		132
72	our %CFG;	133	our %CFG;
73		134
74	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
76		138
77	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		142
83	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
86	binmode STDOUT;	156	binmode STDOUT;
87	binmode STDERR;	157	binmode STDERR;
88		158
89	# read virtual server time, if available	159	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
94	}	164	}
95		165
96	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	167
98	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		170
103	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
104		172
105	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
106		189
107	#############################################################################	190	#############################################################################
108		191
109	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
110		193
…		…
117	=item $cf::RUNTIME	200	=item $cf::RUNTIME
118		201
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	203	every server tick.
121		204
122	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		208
124	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
126		213
127	=item $cf::NOW	214	=item $cf::NOW
128		215
129	The time of the last (current) server tick.	216	The time of the last (current) server tick.
130		217
131	=item $cf::TICK	218	=item $cf::TICK
132		219
133	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
134		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
135	=item %cf::CFG	232	=item %cf::CFG
136		233
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	235	from wherever your confdir points to.
139		236
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		238
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
146	=back	260	=back
147		261
148	=cut	262	=cut
149		263
150	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	271	my $msg = join "", @_;
153		272
154	$msg .= "\n"	273	$msg .= "\n"
155	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
156		275
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		277
159	utf8::encode $msg;
160	LOG llevError, $msg;	278	LOG llevWarn, $msg;
161	};	279	};
162	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
163		294
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		302
171	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	304	# within the Safe compartment.
173	for my $pkg (qw(	305	for my $pkg (qw(
174	cf::global cf::attachable	306	cf::global cf::attachable
175	cf::object cf::object::player	307	cf::object cf::object::player
176	cf::client cf::player	308	cf::client cf::player
177	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
178	cf::map cf::party cf::region	311	cf::party cf::region
179	)) {	312	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	314	}
183		315
184	$Event::DIED = sub {	316	$EV::DIED = sub {
185	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
186	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
187		326
188	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
189		328
190	=over 4	329	=over 4
191		330
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	350	$d
212	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
213	}	352	}
214		353
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
216		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
217	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
218		369
219	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
220		371
221	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
222		373
223	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
224		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
225	=item cf::lock_wait $string	445	=item cf::lock_wait $string
226		446
227	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
228		448
229	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
230		450
231	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
234	returned.	454	returned.
235		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
236	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
238		461
239	=cut	462	=item $locked = cf::lock_active $string
240		463
241	our %LOCK;	464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
242		469
243	sub lock_wait($) {	470	sub lock_wait($) {
244	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	472	}
252		473
253	sub lock_acquire($) {	474	sub lock_acquire($) {
254	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
255		477
256	# wait, to be sure we are not locked	478	sub lock_active($) {
257	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	480	}
266		481
267	sub freeze_mainloop {	482	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
269		484
270	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
272	};	556	}
273	$TICK_WATCHER->stop;	557	};
274	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
275	}	572	}
276		573
277	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
278		575
279	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		581
285	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
286		583
287	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
288		585
289	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
292		590
293	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
296	fast or be very important.	594	fast or be very important.
…		…
298	=cut	596	=cut
299		597
300	sub sync_job(&) {	598	sub sync_job(&) {
301	my ($job) = @_;	599	my ($job) = @_;
302		600
303	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
304	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
306		606
307	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	608
309	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
310		610
311	my $busy = 1;	611	my $busy = 1;
312	my @res;	612	my @res;
313		613
314	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	616	@res = eval { $job->() };
316	warn $@ if $@;	617	error $@ if $@;
317	undef $busy;	618	undef $busy;
318	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
319		620
320	while ($busy) {	621	while ($busy) {
321	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
322	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
323		632
324	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
325	} else {	634	} else {
326	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
327		636
…		…
347	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
348		657
349	$coro	658	$coro
350	}	659	}
351		660
352	sub write_runtime {	661	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		662
355	my $runtime = cf::localdir . "/runtime";	663	Executes the given code block with the given arguments in a seperate
		664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
356		667
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
358	or return;
359		669
360	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
362	# 60 allows for the watchdog to kill the server.	672	}
363		673
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
365	and return;	675	my ($cb, @args) = @_;
366		676
367	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
369	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
370		680
371	close $fh	681	my @res = Coro::Util::fork_eval {
372	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
373		685
374	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
375	and return;	687	}
376		688
		689	sub objinfo {
377	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
378	}	853	}
379		854
380	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
381		856
382	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
383		858
384	=cut	859	=cut
385		860
386	sub datalog($@) {	861	sub datalog($@) {
387	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	864	}
390		865
391	=back	866	=back
392		867
393	=cut	868	=cut
394		869
395	#############################################################################	870	#############################################################################
396		871
397	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
398		873
399	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
402		877
403	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	880	Deliantra).
406		881
407	=over 4	882	=over 4
408		883
409	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
410		885
…		…
454	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
455		930
456	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
458		933
459	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
461		936
462	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
463		938
464	=over 4	939	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
574		1049
575	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1054
580	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
582		1057
583	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
588		1063
589	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1066
592	} elsif (ref $type) {	1067	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
594		1069
595	} else {	1070	} else {
596	shift @arg;	1071	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
598	}	1073	}
599	}	1074	}
600	}	1075	}
601		1076
602	sub _object_attach {	1077	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
613	}	1088	}
614		1089
615	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
616	} else {	1091	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1093	}
619		1094
620	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
621	}	1096	}
622		1097
…		…
624	if (ref $_[0]) {	1099	if (ref $_[0]) {
625	_object_attach @_;	1100	_object_attach @_;
626	} else {	1101	} else {
627	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
628	}	1103	}
		1104	_recalc_want;
629	};	1105	};
630		1106
631	# all those should be optimised	1107	# all those should be optimised
632	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1113	reattach ($obj);
638	} else {	1114	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
640	}	1116	}
		1117	_recalc_want;
641	};	1118	};
642		1119
643	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
645		1122
…		…
660	";	1137	";
661	die if $@;	1138	die if $@;
662	}	1139	}
663		1140
664	our $override;	1141	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1143
667	sub override {	1144	sub override {
668	$override = 1;	1145	$override = 1;
669	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
670	}	1147	}
671		1148
672	sub do_invoke {	1149	sub do_invoke {
673	my $event = shift;	1150	my $event = shift;
674	my $callbacks = shift;	1151	my $callbacks = shift;
675		1152
676	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
677		1154
678	local $override;	1155	local $override;
679		1156
680	for (@$callbacks) {	1157	for (@$callbacks) {
681	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
682		1159
683	if ($@) {	1160	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1162	override;
687	}	1163	}
688		1164
689	return 1 if $override;	1165	return 1 if $override;
690	}	1166	}
691		1167
692	0	1168	0
693	}	1169	}
694		1170
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1172
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1174
699	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
700		1176
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1180
705	=back	1181	=back
706		1182
707	=cut	1183	=cut
708		1184
709	#############################################################################	1185	#############################################################################
710	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
711		1229
712	sub reattach {	1230	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1232	my ($obj) = @_;
715		1233
		1234	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1236
718	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
719		1238
720	@$registry = ();	1239	@$registry = ();
721		1240
…		…
726	for (@$attach) {	1245	for (@$attach) {
727	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
729	}	1248	}
730	} else {	1249	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1251	}
733	}	1252	}
734	}	1253	}
735		1254
736	cf::attachable->attach (	1255	cf::attachable->attach (
737	prio => -1000000,	1256	prio => -1000000,
738	on_instantiate => sub {	1257	on_instantiate => sub {
739	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
740		1259
741	$data = from_json $data;	1260	$data = decode_json $data;
742		1261
743	for (@$data) {	1262	for (@$data) {
744	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
745		1264
746	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1281	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
764		1283
765	sync_job {	1284	sync_job {
766	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
769		1290
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
774	close $fh;	1298	aio_close $fh;
775		1299
776	if (@$objs) {	1300	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
782	close $fh;	1309	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
784	}	1311	}
785	} else {	1312	} else {
786	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
787	}	1314	}
788		1315
789	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1320	} else {
791	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
792	}	1322	}
793	} else {	1323	} else {
794	aio_unlink $filename;	1324	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
796	}	1326	}
797	}	1327	};
798	}	1328	}
799		1329
800	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
802		1332
…		…
814	or return;	1344	or return;
815		1345
816	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
818	or return;	1348	or return;
		1349
819	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
820	}	1352	}
821		1353
		1354	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
824	return ($data, $av);	1359	($data, $av)
825	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
826		1367
827	#############################################################################	1368	#############################################################################
828	# command handling &c	1369	# command handling &c
829		1370
830	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1385	}
845		1386
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1388
848	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
849		1394
850	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
851	called.	1396	called.
852		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
853	=cut	1409	=cut
854		1410
855	sub register_extcmd {	1411	sub register_extcmd {
856	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
857		1413
858	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
859	}	1415	}
860		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
861	cf::player->attach (	1425	cf::player->attach (
862	on_command => sub {	1426	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
864		1428
865	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
866	or return;	1430	or return;
867		1431
…		…
872	cf::override;	1436	cf::override;
873	},	1437	},
874	on_extcmd => sub {	1438	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
876		1440
877	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1442
879	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
885	} else {	1458	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1460	}
888		1461
889	cf::override;	1462	cf::override;
890	},	1463	},
891	);	1464	);
892		1465
		1466	# "readahead" all extensions
893	sub load_extension {	1467	sub cache_extensions {
894	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
895		1469
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1473	}
921	die $@;
922	}	1474	};
923		1475
924	push @EXTS, $pkg;	1476	$grp
925	}	1477	}
926		1478
927	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
928	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1486	next unless -r $path;
930	eval {	1487
931	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
932	1	1551	}
933	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560	}
		1561	}
934	}	1562	};
935	}	1563	}
936		1564
937	#############################################################################	1565	#############################################################################
938		1566
		1567	=back
		1568
939	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
940		1570
941	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
942		1572
943	=cut	1573	=cut
944		1574
945	package cf::player;	1575	package cf::player;
946		1576
…		…
948		1578
949	=head3 cf::player	1579	=head3 cf::player
950		1580
951	=over 4	1581	=over 4
952		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
		1596
953	=item cf::player::find $login	1597	=item cf::player::find $login
954		1598
955	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
956		1600
957	=cut	1601	=cut
958		1602
959	sub playerdir($) {	1603	sub playerdir($) {
960	cf::localdir	1604	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1605	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1606	}
966		1607
967	sub path($) {	1608	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1609	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1619
979	sub exists($) {	1620	sub exists($) {
980	my ($login) = @_;	1621	my ($login) = @_;
981		1622
982	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
984	}	1625	}
985		1626
986	sub find($) {	1627	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1629	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1639	aio_unlink +(playerdir $login) . "/$login.pl";
999		1640
1000	my $pl = load_pl path $login	1641	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
1003	}	1650	}
1004	}	1651	}
1005	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
1006		1666
1007	sub save($) {	1667	sub save($) {
1008	my ($pl) = @_;	1668	my ($pl) = @_;
1009		1669
1010	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1016		1676
1017	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1019		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
1020	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1021	Coro::cede;	1686	cf::cede_to_tick;
1022	}	1687	}
1023		1688
1024	sub new($) {	1689	sub new($) {
1025	my ($login) = @_;	1690	my ($login) = @_;
1026		1691
…		…
1032	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1033		1698
1034	$self	1699	$self
1035	}	1700	}
1036		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1037	=item $pl->quit_character	1712	=item $pl->quit_character
1038		1713
1039	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1041		1716
…		…
1045	my ($pl) = @_;	1720	my ($pl) = @_;
1046		1721
1047	my $name = $pl->ob->name;	1722	my $name = $pl->ob->name;
1048		1723
1049	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1726
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1055	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1056		1735
1057	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1767	while and may block, so not sync_job-capable, ever.
1089		1768
1090	=cut	1769	=cut
1091		1770
1092	sub list_logins {	1771	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1772	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1773	or return [];
1095		1774
1096	my @logins;	1775	my @logins;
1097		1776
1098	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1102		1787
1103	utf8::decode $login;	1788	utf8::decode $login;
1104	push @logins, $login;	1789	push @logins, $login;
1105	}	1790	}
1106		1791
1107	\@logins	1792	\@logins
1108	}	1793	}
1109		1794
1110	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1111		1798
1112	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1113	player. May block.	1800	player. May block.
1114		1801
1115	=cut	1802	=cut
…		…
1133	}	1820	}
1134		1821
1135	\@paths	1822	\@paths
1136	}	1823	}
1137		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
1138	=item $player->ext_reply ($msgid, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1139		1830
1140	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1141		1832
1142	=cut	1833	=cut
1143		1834
1144	sub ext_reply($$%) {	1835	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1146		1837
1147	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1839	}
1151		1840
1152	=item $player->ext_event ($type, %msg)	1841	=item $player->ext_msg ($type, @msg)
1153		1842
1154	Sends an ext event to the client.	1843	Sends an ext event to the client.
1155		1844
1156	=cut	1845	=cut
1157		1846
1158	sub ext_event($$%) {	1847	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1848	my ($self, $type, @msg) = @_;
1160		1849
1161	$self->ns->ext_event ($type, %msg);	1850	$self->ns->ext_msg ($type, @msg);
1162	}	1851	}
1163		1852
1164	=head3 cf::region	1853	=head3 cf::region
1165		1854
1166	=over 4	1855	=over 4
…		…
1169		1858
1170	package cf::region;	1859	package cf::region;
1171		1860
1172	=item cf::region::find_by_path $path	1861	=item cf::region::find_by_path $path
1173		1862
1174	Tries to decuce the probable region for a map knowing only its path.	1863	Tries to decuce the likely region for a map knowing only its path.
1175		1864
1176	=cut	1865	=cut
1177		1866
1178	sub find_by_path($) {	1867	sub find_by_path($) {
1179	my ($path) = @_;	1868	my ($path) = @_;
1180		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
		1871
1181	my ($match, $specificity);	1872	my ($match, $specificity);
1182		1873
1183	for my $region (list) {	1874	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1875	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1876	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1877	if $region->specificity > $specificity;
1187	}	1878	}
1188	}	1879	}
1189		1880
…		…
1210	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1212		1903
1213	sub generate_random_map {	1904	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1215	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1216	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1228	)
1229	}	1910	}
1230		1911
1231	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1232		1913
1233	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1238		1919
1239	sub register {	1920	sub register {
1240	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1922	my $pkg = caller;
1242		1923
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1925
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1927	}
1248		1928
1249	# also paths starting with '/'	1929	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1931
1252	sub thawer_merge {	1932	sub thawer_merge {
1253	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1254		1934
1255	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
1256	local $self->{path};	1936	local $self->{path};
1257	local $self->{load_path};	1937	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1938
1261	$self->SUPER::thawer_merge ($merge);	1939	$self->SUPER::thawer_merge ($merge);
1262	}	1940	}
1263		1941
1264	sub normalise {	1942	sub normalise {
1265	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1266		1944
1267	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1268		1946
1269	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1270		1948
1271	# map plan:	1949	# map plan:
1272	#	1950	#
…		…
1287	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	1966	$path = "$base/$path";
1289	}	1967	}
1290		1968
1291	for ($path) {	1969	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1295	}	1972	}
1296		1973
1297	$path	1974	$path
…		…
1311	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1312	return $self;	1989	return $self;
1313	}	1990	}
1314	}	1991	}
1315		1992
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	1994	()
1318	}	1995	}
1319		1996
1320	sub init {	1997	sub init {
1321	my ($self) = @_;	1998	my ($self) = @_;
…		…
1336		2013
1337	# the original (read-only) location	2014	# the original (read-only) location
1338	sub load_path {	2015	sub load_path {
1339	my ($self) = @_;	2016	my ($self) = @_;
1340		2017
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2018	"$MAPDIR/$self->{path}.map"
1342	}	2019	}
1343		2020
1344	# the temporary/swap location	2021	# the temporary/swap location
1345	sub save_path {	2022	sub save_path {
1346	my ($self) = @_;	2023	my ($self) = @_;
1347		2024
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2026	"$TMPDIR/$path.map"
1350	}	2027	}
1351		2028
1352	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1353	sub uniq_path {	2030	sub uniq_path {
1354	my ($self) = @_;	2031	my ($self) = @_;
1355		2032
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2034	"$UNIQUEDIR/$path"
1358	}	2035	}
1359		2036
1360	# and all this just because we cannot iterate over	2037	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	2038	my ($self) = @_;
1364		2039
1365	$_->change_map_light ($change)	2040	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2041
		2042	$self->do_decay_objects;
1367	}	2043	}
1368		2044
1369	sub unlink_save {	2045	sub unlink_save {
1370	my ($self) = @_;	2046	my ($self) = @_;
1371		2047
…		…
1376		2052
1377	sub load_header_from($) {	2053	sub load_header_from($) {
1378	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1379		2055
1380	utf8::encode $path;	2056	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1386		2065
1387	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1388		2067
1389	1	2068	1
1390	}	2069	}
…		…
1429	$self->load_header_orig	2108	$self->load_header_orig
1430	or return;	2109	or return;
1431	$self->prepare_orig;	2110	$self->prepare_orig;
1432	}	2111	}
1433		2112
		2113	$self->{deny_reset} = 1
		2114	if $self->no_reset;
		2115
1434	$self->default_region (cf::region::find_by_path $self->{path})	2116	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2117	unless $self->default_region;
1436		2118
1437	1	2119	1
1438	}	2120	}
1439		2121
1440	sub find;	2122	sub find;
1441	sub find {	2123	sub find {
1442	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1443		2125
		2126	cf::cede_to_tick;
		2127
1444	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1445		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2132
1448	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1451	or return;	2135	or return;
1452		2136
1453	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1454		2138
1455	$map->load_header	2139	$map->load_header
1456	or return;	2140	or return;
1457		2141
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1461	$map->reset;	2147	$map->reset;
1462	undef $guard;
1463	return find $path;	2148	return find $path;
1464	}	2149	}
1465		2150
1466	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1467	}	2152	}
1468	}	2153	}
1469		2154
1470	sub pre_load { }	2155	sub pre_load { }
1471	sub post_load { }	2156	#sub post_load { } # XS
1472		2157
1473	sub load {	2158	sub load {
1474	my ($self) = @_;	2159	my ($self) = @_;
1475		2160
1476	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1477		2162
1478	my $path = $self->{path};	2163	my $path = $self->{path};
		2164
		2165	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1480		2167
		2168	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2170
1483	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1484		2172
1485	$self->alloc;	2173	$self->alloc;
1486		2174
1487	$self->pre_load;	2175	$self->pre_load;
1488	Coro::cede;	2176	cf::cede_to_tick;
1489		2177
1490	$self->_load_objects ($self->{load_path}, 1)	2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
		2180	$self->_load_objects ($f)
1491	or return;	2181	or return;
1492		2182
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1494	if delete $self->{load_original};	2184	if delete $self->{load_original};
1495		2185
1496	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2187	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2190	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1501	}	2194	}
1502	}	2195	}
1503		2196
1504	Coro::cede;	2197	$f->resolve_delayed_derefs;
		2198
		2199	cf::cede_to_tick;
1505	# now do the right thing for maps	2200	# now do the right thing for maps
1506	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2203	unless $self->difficulty;
1517	Coro::cede;	2204	cf::cede_to_tick;
		2205
		2206	unless ($self->{deny_activate}) {
		2207	$self->decay_objects;
		2208	$self->fix_auto_apply;
		2209	$self->update_buttons;
		2210	cf::cede_to_tick;
1518	$self->activate;	2211	$self->activate;
1519	Coro::cede;	2212	}
		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
		2217	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2218	}
1521		2219
1522	$self->post_load;	2220	$self->post_load;
1523	Coro::cede;
1524		2221
1525	$self->in_memory (cf::MAP_IN_MEMORY);	2222	1
1526	}	2223	}
1527		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2228	sub customise_for {
1529	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1530		2230
1531	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2232	if $self->per_player;
1533		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
1534	$self	2237	$self
1535	}	2238	}
1536		2239
1537	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2241	sub load_neighbours {
1539	my ($map) = @_;	2242	my ($map) = @_;
1540		2243
1541	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1542		2245
1543	for (0 .. 3) {	2246	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1545	or next;	2248	or next;
1546	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1547	or next;	2250	or next;
1548	$neigh->load;	2251	$neigh->load;
1549		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2257	}
1553		2258
1554	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1556	or next;	2262	or next;
1557	$neigh->load;	2263	$neigh->load;
1558	}	2264	}
1559	}	2265	}
1560		2266
1561	sub find_sync {	2267	sub find_sync {
1562	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1563		2269
1564	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1565	}	2274	}
1566		2275
1567	sub do_load_sync {	2276	sub do_load_sync {
1568	my ($map) = @_;	2277	my ($map) = @_;
1569		2278
1570	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1571	}	2283	}
1572		2284
1573	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1575		2287
1576	sub find_async {	2288	sub find_async {
1577	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1578		2290
1579	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1580		2292
1581	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2295	}
1584		2296
1585	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1586	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1587	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2304	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2305	$map->load if $v;
		2306	}
1592		2307
1593	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1594	}	2309	}
1595	}	2310	}
1596	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1597	};	2312	};
1598	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1599		2314
1600	()	2315	()
1601	}	2316	}
1602		2317
		2318	# common code, used by both ->save and ->swapout
1603	sub save {	2319	sub _save {
1604	my ($self) = @_;	2320	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2321
1608	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1609		2323
1610	return unless $self->dirty;	2324	return unless $self->dirty;
1611		2325
…		…
1617	return if $self->{deny_save};	2331	return if $self->{deny_save};
1618		2332
1619	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1620		2334
1621	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1623	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1624		2341
1625	if ($uniq) {	2342	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2345	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2347	}
1631	}	2348	}
1632		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1633	sub swap_out {	2358	sub swap_out {
1634	my ($self) = @_;	2359	my ($self) = @_;
1635		2360
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1641	return if $self->players;	2365	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1645	$self->clear;	2376	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2377	}
1648		2378
1649	sub reset_at {	2379	sub reset_at {
1650	my ($self) = @_;	2380	my ($self) = @_;
1651		2381
1652	# TODO: safety, remove and allow resettable per-player maps	2382	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2383	return 1e99 if $self->{deny_reset};
1655		2384
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2387
…		…
1669	my ($self) = @_;	2398	my ($self) = @_;
1670		2399
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2401
1673	return if $self->players;	2402	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2403
1676	warn "resetting map ", $self->path;#d#	2404	cf::trace "resetting map ", $self->path, "\n";
1677		2405
1678	$self->in_memory (cf::MAP_SWAPPED);	2406	$self->in_memory (cf::MAP_SWAPPED);
1679		2407
1680	# need to save uniques path	2408	# need to save uniques path
1681	unless ($self->{deny_save}) {	2409	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2413	if $uniq;
1686	}	2414	}
1687		2415
1688	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1689		2417
		2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2420	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2421
1694	$self->unlink_save;	2422	$self->unlink_save;
1695	$self->destroy;	2423	$self->destroy;
1696	}	2424	}
1697		2425
1698	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1699		2427
1700	sub nuke {	2428	sub nuke {
1701	my ($self) = @_;	2429	my ($self) = @_;
1702		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
1703	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
1704		2435
1705	$self->unlink_save;	2436	$self->unlink_save;
1706		2437
1707	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2443
1713	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
1714		2446
1715	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
		2448	}
		2449
		2450	=item $maps = cf::map::tmp_maps
		2451
		2452	Returns an arrayref with all map paths of currently instantiated and saved
		2453	maps. May block.
		2454
		2455	=cut
		2456
		2457	sub tmp_maps() {
		2458	[
		2459	map {
		2460	utf8::decode $_;
		2461	/\.map$/
		2462	? normalise $_
		2463	: ()
		2464	} @{ aio_readdir $TMPDIR or [] }
		2465	]
		2466	}
		2467
		2468	=item $maps = cf::map::random_maps
		2469
		2470	Returns an arrayref with all map paths of currently instantiated and saved
		2471	random maps. May block.
		2472
		2473	=cut
		2474
		2475	sub random_maps() {
		2476	[
		2477	map {
		2478	utf8::decode $_;
		2479	/\.map$/
		2480	? normalise "?random/$_"
		2481	: ()
		2482	} @{ aio_readdir $RANDOMDIR or [] }
		2483	]
1716	}	2484	}
1717		2485
1718	=item cf::map::unique_maps	2486	=item cf::map::unique_maps
1719		2487
1720	Returns an arrayref of paths of all shared maps that have	2488	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2489	instantiated unique items. May block.
1722		2490
1723	=cut	2491	=cut
1724		2492
1725	sub unique_maps() {	2493	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2494	[
1727	or return;	2495	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2496	utf8::decode $_;
1733	next if /\.pst$/;	2497	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2499	? ()
1736	push @paths, cf::map::normalise $_;	2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2502	]
1738
1739	\@paths
1740	}	2503	}
1741		2504
1742	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
1743		2536
1744	=back	2537	=back
1745		2538
1746	=head3 cf::object	2539	=head3 cf::object
1747		2540
…		…
1751		2544
1752	=over 4	2545	=over 4
1753		2546
1754	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
1755		2548
1756	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
1757		2551
1758	=cut	2552	=cut
1759		2553
1760	sub inv_recursive_;	2554	sub inv_recursive_;
1761	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
1764		2558
1765	sub inv_recursive {	2559	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
1767	}	2561	}
1768		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
1769	package cf;	2591	package cf;
1770		2592
1771	=back	2593	=back
1772		2594
1773	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2602	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1782		2604
1783	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
1784		2620
1785	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2622	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1790		2626
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2628
1793	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1795	} else {	2632	} else {
		2633	my $pl = $self->contr;
		2634
		2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2636	my $dialog = $pl->{npc_dialog};
		2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2638
		2639	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1798	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
1799	}	2654	}
1800		2655
1801	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1802		2657
1803	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1816		2671
1817	=item $player_object->enter_link	2672	=item $player_object->enter_link
1818		2673
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2675
1821	The player should be reasonably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
1823		2680
1824	Will never block.	2681	Will never block.
1825		2682
1826	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1827		2684
…		…
1847	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2705	my ($self) = @_;
1849		2706
1850	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
1851		2708
		2709	++$self->{_link_recursion};
		2710
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2712
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2714	if $self->map && $self->map->{path} ne "{link}";
1856		2715
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2717	}
1859		2718
1860	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
		2721
		2722	return unless $self->contr->active;
1862		2723
1863	my $link_pos = delete $self->{_link_pos};	2724	my $link_pos = delete $self->{_link_pos};
1864		2725
1865	unless ($map) {	2726	unless ($map) {
1866	# restore original map position	2727	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1879		2740
1880	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1883		2744
1884	$map->load;	2745	$map->load;
1885	$map->load_diag;	2746	$map->load_neighbours;
1886		2747
1887	return unless $self->contr->active;	2748	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2749
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
1892	}	2752	# entering was successful
1893		2753	delete $self->{_link_recursion};
1894	cf::player->attach (	2754	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2755	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2756	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2757
1908	# try to abort aborted map switching on player login :)	2758	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2759
1926	=item $player_object->goto ($path, $x, $y)	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2761
		2762	Moves the player to the given map-path and coordinates by first freezing
		2763	her, loading and preparing them map, calling the provided $check callback
		2764	that has to return the map if sucecssful, and then unfreezes the player on
		2765	the new (success) or old (failed) map position. In either case, $done will
		2766	be called at the end of this process.
		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
1928	=cut	2771	=cut
		2772
		2773	our $GOTOGEN;
1929		2774
1930	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
		2784	# do generation counting so two concurrent goto's will be executed in-order
		2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2786
1933	$self->enter_link;	2787	$self->enter_link;
1934		2788
1935	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
1936	my $map = eval {	2811	my $map = eval {
1937	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
		2813
		2814	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2815	$map = $map->customise_for ($self);
		2816	$map = $check->($map, $x, $y, $self) if $check && $map;
		2817	} else {
		2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2819	}
		2820
1939	$map	2821	$map
		2822	};
		2823
		2824	if ($@) {
		2825	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2826	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2827	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2828
		2829	if ($gen == $self->{_goto_generation}) {
		2830	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
		2832	}
		2833
		2834	$done->($self) if $done;
1944	})->prio (1);	2835	})->prio (1);
1945	}	2836	}
1946		2837
1947	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1948		2839
…		…
1968	}	2859	}
1969		2860
1970	sub prepare_random_map {	2861	sub prepare_random_map {
1971	my ($exit) = @_;	2862	my ($exit) = @_;
1972		2863
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2866	# that depends on the exit object
1978		2867
1979	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2870	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
1986	}	2877	}
1987		2878
1988	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
1989		2880
1990	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
1993		2884
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2887	undef $fh;
1997	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
1998		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
2001	}	2896	}
2002	}	2897	}
2003		2898
2004	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
2006		2901
2007	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
2008		2903
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2904	$self->enter_link;
2021		2905
2022	(async {	2906	(async {
2023	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
2024	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
2025	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
2026		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
2027	1;	2930	1
2028	}) {	2931	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2936
2034	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2938	$self->leave_link;
2036	}	2939	}
2037	})->prio (1);	2940	})->prio (1);
2038	}	2941	}
2039		2942
…		…
2053		2956
2054	utf8::encode $text;	2957	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2959	}
2057		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
		2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2987
		2988	Send a drawinfo or msg packet to the client, formatting the msg for the
		2989	client if neccessary. C<$type> should be a string identifying the type of
		2990	the message, with C<log> being the default. If C<$color> is negative, suppress
		2991	the message unless the client supports the msg packet.
		2992
		2993	=cut
		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
		3109	sub cf::client::send_msg {
		3110	my ($self, $channel, $msg, $color, @extra) = @_;
		3111
		3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
		3133
		3134	return unless @extra || length $msg;
		3135
		3136	# default colour, mask it out
		3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3138	if $color & cf::NDI_DEF;
		3139
		3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
		3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3143	);
		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
2058	=item $client->ext_event ($type, %msg)	3148	=item $client->ext_msg ($type, @msg)
2059		3149
2060	Sends an exti event to the client.	3150	Sends an ext event to the client.
2061		3151
2062	=cut	3152	=cut
2063		3153
2064	sub cf::client::ext_event($$%) {	3154	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3155	my ($self, $type, @msg) = @_;
2066		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3160	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
2069	}	3181	}
2070		3182
2071	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
2072		3184
2073	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3186	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3187	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3188
2077	Queries can fail, so check the return code. Or don't, as queries will become	3189	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3190	become reliable at some point in the future.
2079		3191
2080	=cut	3192	=cut
2081		3193
2082	sub cf::client::query {	3194	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3203	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3205
2094	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
2096	}	3210	}
2097		3211
2098	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
2099	on_reply => sub {	3218	on_reply => sub {
2100	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
2101		3220
2102	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
2103	# get handled first	3222	# get handled first
…		…
2115	} else {	3234	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3236	}
2118	}	3237	}
2119	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($ns, $buf) = @_;
		3241
		3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3243
		3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
		3252	if (my $cb = $EXTICMD{$type}) {
		3253	@reply = $cb->($ns, @payload);
		3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
		3259	} else {
		3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3261	}
		3262
		3263	cf::override;
		3264	},
2120	);	3265	);
2121		3266
2122	=item $client->async (\&cb)	3267	=item $client->async (\&cb)
2123		3268
2124	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3285
2141	$coro	3286	$coro
2142	}	3287	}
2143		3288
2144	cf::client->attach (	3289	cf::client->attach (
2145	on_destroy => sub {	3290	on_client_destroy => sub {
2146	my ($ns) = @_;	3291	my ($ns) = @_;
2147		3292
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3294	},
2150	);	3295	);
…		…
2165	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2167		3312
2168	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2169		3314
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2171		3320
2172	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2173		3322
2174	=pod	3323	=pod
2175		3324
2176	The following functions and methods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2177		3326
2178	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2179	cf::object::player player	3332	cf::object::player
2180	cf::player peaceful	3333	player
2181	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2182		3340
2183	=cut	3341	=cut
2184		3342
2185	for (	3343	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2190	) {	3350	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3353	for @funs;
2195	}	3354	}
2196		3355
…		…
2211		3370
2212	my $qcode = $code;	3371	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2215		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2216	local $_;	3378	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3379
2219	my $eval =	3380	my $eval =
2220	"do {\n"	3381	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3384	. $code
2224	. "\n}"	3385	. "\n}"
2225	;	3386	;
2226		3387
		3388	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2230		3397
2231	if ($@) {	3398	if ($@) {
2232	warn "$@";	3399	warn "$@",
2233	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2235	}	3402	}
2236		3403
2237	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2238	}	3405	}
2239		3406
…		…
2253	=cut	3420	=cut
2254		3421
2255	sub register_script_function {	3422	sub register_script_function {
2256	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2257		3424
2258	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2260	}	3427	}
2261		3428
2262	=back	3429	=back
2263		3430
2264	=cut	3431	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3432
2435	#############################################################################	3433	#############################################################################
2436	# the server's init and main functions	3434	# the server's init and main functions
2437		3435
2438	sub load_facedata($) {	3436	sub load_facedata($) {
2439	my ($path) = @_;	3437	my ($path) = @_;
2440		3438
		3439	# HACK to clear player env face cache, we need some signal framework
		3440	# for this (global event?)
		3441	%ext::player_env::MUSIC_FACE_CACHE = ();
		3442
		3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3444
2441	warn "loading facedata from $path\n";	3445	trace "loading facedata from $path\n";
2442		3446
2443	my $facedata;	3447	my $facedata = decode_storable load_file $path;
2444	0 < aio_load $path, $facedata
2445	or die "$path: $!";
2446
2447	$facedata = Coro::Storable::thaw $facedata;
2448		3448
2449	$facedata->{version} == 2	3449	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3451
		3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3454	$facedata->{resource}{"res/exp_table"} = {
		3455	type => FT_RSRC,
		3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
		3458	};
		3459	cf::cede_to_tick;
		3460
2452	{	3461	{
2453	my $faces = $facedata->{faceinfo};	3462	my $faces = $facedata->{faceinfo};
2454		3463
2455	while (my ($face, $info) = each %$faces) {	3464	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3467	cf::face::set_visibility $idx, $info->{visibility};
		3468	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3472
		3473	cf::cede_to_tick;
2461	}	3474	}
2462		3475
2463	while (my ($face, $info) = each %$faces) {	3476	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3477	next unless $info->{smooth};
		3478
2465	my $idx = cf::face::find $face	3479	my $idx = cf::face::find $face
2466	or next;	3480	or next;
		3481
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3482	if (my $smooth = cf::face::find $info->{smooth}) {
		3483	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3485	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3486	error "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3487	}
2472	Coro::cede;	3488
		3489	cf::cede_to_tick;
2473	}	3490	}
2474	}	3491	}
2475		3492
2476	{	3493	{
2477	my $anims = $facedata->{animinfo};	3494	my $anims = $facedata->{animinfo};
2478		3495
2479	while (my ($anim, $info) = each %$anims) {	3496	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3497	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3498	cf::cede_to_tick;
2482	}	3499	}
2483		3500
2484	cf::anim::invalidate_all; # d'oh	3501	cf::anim::invalidate_all; # d'oh
2485	}	3502	}
2486		3503
		3504	{
		3505	my $res = $facedata->{resource};
		3506
		3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
		3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3510
		3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3512	cf::face::set_type $idx, $info->{type};
		3513	} else {
		3514	$RESOURCE{$name} = $info; # unused
		3515	}
		3516
		3517	cf::cede_to_tick;
		3518	}
		3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
2487	1	3523	1
2488	}	3524	}
2489		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
		3534	sub load_resource_file($) {
		3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
		3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
		3549	load_resource_file "$MAPDIR/regions"
		3550	or die "unable to load regions file\n";
		3551
		3552	for (cf::region::list) {
		3553	$_->{match} = qr/$_->{match}/
		3554	if exists $_->{match};
		3555	}
		3556	}
		3557
2490	sub reload_facedata {	3558	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3559	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3560	or die "unable to load facedata\n";
2493	}	3561	}
2494		3562
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3563	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3564	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3565	or die "unable to load archetypes\n";
2503	}	3566	}
2504		3567
2505	sub reload_treasures {	3568	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3569	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3570	or die "unable to load treasurelists\n";
2508	}	3571	}
2509		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
2510	sub reload_resources {	3593	sub reload_resources {
2511	warn "reloading resource files...\n";	3594	trace "reloading resource files...\n";
2512		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
2513	reload_regions;	3601	reload_regions;
2514	reload_facedata;
2515	reload_archetypes;
2516	reload_treasures;	3602	reload_treasures;
2517		3603
2518	warn "finished reloading resource files\n";	3604	trace "finished reloading resource files\n";
2519	}	3605	}
2520		3606
2521	sub init {	3607	sub reload_config {
2522	reload_resources;	3608	trace "reloading config file...\n";
2523	}
2524		3609
2525	sub cfg_load {	3610	my $config = load_file "$CONFDIR/config";
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3611	utf8::decode $config;
2527	or return;	3612	*CFG = decode_yaml $config;
2528		3613
2529	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;
2531
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2533		3615
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2536		3618
2537	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2541	};	3623	};
2542	warn $@ if $@;	3624	warn $@ if $@;
2543	}	3625	}
2544	}	3626	}
2545		3627
		3628	sub pidfile() {
		3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
2546	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2547	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3669	(async {
2551	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2553	};	3673	};
2554		3674
2555	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
		3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
2556	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2557	load_extensions;	3698	load_extensions;
2558		3699
2559	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2561	}	3718	}
2562		3719
2563	#############################################################################	3720	#############################################################################
2564	# initialisation and cleanup	3721	# initialisation and cleanup
2565		3722
2566	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2567	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
2576	},
2577	);	3729	};
		3730	}
		3731	}
		3732
		3733	sub write_runtime_sync {
		3734	my $t0 = AE::time;
		3735
		3736	# first touch the runtime file to show we are still running:
		3737	# the fsync below can take a very very long time.
		3738
		3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3740
		3741	my $guard = cf::lock_acquire "write_runtime";
		3742
		3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3744	or return;
		3745
		3746	my $value = $cf::RUNTIME + 90 + 10;
		3747	# 10 is the runtime save interval, for a monotonic clock
		3748	# 60 allows for the watchdog to kill the server.
		3749
		3750	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3751	and return;
		3752
		3753	# always fsync - this file is important
		3754	aio_fsync $fh
		3755	and return;
		3756
		3757	# touch it again to show we are up-to-date
		3758	aio_utime $fh, undef, undef;
		3759
		3760	close $fh
		3761	or return;
		3762
		3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3764	and return;
		3765
		3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3767
2578	}	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2579	}	3819	}
2580		3820
2581	sub emergency_save() {	3821	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2583		3823
2584	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2585		3830
2586	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2587	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3842	$pl->save;
2595	}	3843	}
2596	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2597		3845
2598	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3851	$map->valid or next;
2602	$map->save;	3852	$map->save;
2603	}	3853	}
2604	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
2605		3855
2606	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2609	};	3884	};
2610		3885
2611	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2612	}	3887	}
2613		3888
2614	sub post_cleanup {	3889	sub post_cleanup {
2615	my ($make_core) = @_;	3890	my ($make_core) = @_;
2616		3891
		3892	IO::AIO::flush;
		3893
2617	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
2619	}	3924	}
2620		3925
2621	sub do_reload_perl() {	3926	sub do_reload_perl() {
2622	# can/must only be called in main	3927	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2624	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2625	return;	3930	return;
2626	}	3931	}
2627		3932
2628	warn "reloading...";	3933	return if $RELOAD++;
2629		3934
2630	warn "entering sync_job";	3935	my $t1 = AE::time;
2631		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
2632	cf::sync_job {	3943	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark
2634	cf::emergency_save;	3944	#cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark
2636		3945
2637	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;
2639
2640	# if anything goes wrong in here, we should simply crash as we already saved
2641
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();	3948	%EXT_CORO = ();
2661		3949
2662	warn "removing commands";	3950	trace "perl_reload: removing commands";
2663	%COMMAND = ();	3951	%COMMAND = ();
2664		3952
2665	warn "removing ext commands";	3953	trace "perl_reload: removing ext/exti commands";
2666	%EXTCMD = ();	3954	%EXTCMD = ();
		3955	%EXTICMD = ();
2667		3956
2668	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2671		3960
2672	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2673	eval {	3962	eval {
2674	$cb->($pkg);	3963	$cb->($pkg);
2675	1	3964	1
2676	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
2677	}	3970	}
2678		3971
2679	warn "... nuking $pkg";
2680	Symbol::delete_package $pkg;
2681	}
2682
2683	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2684	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3975
2687	warn "... unloading $k";	3976	trace "... unloading $k";
2688	delete $INC{$k};	3977	delete $INC{$k};
2689		3978
2690	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2692		3981
2693	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2694	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2695	}	3987	}
2696		3988
2697	Symbol::delete_package $k;
2698	}
2699
2700	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3992
2704	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
2706	delete $INC{"cf/pod.pm"};	3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2707		3996
2708	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2709	# and global variables created in xs	3998	# and global variables created in xs
2710	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2711		4000
2712	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2713		4002
2714	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2715	require cf;	4004	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2717		4006
2718	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2719	cf::cfg_load;	4008	cf::reload_config;
2720		4009
2721	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
2722	cf::load_extensions;	4011	cf::load_extensions;
2723		4012
		4013	if ($REATTACH_ON_RELOAD) {
2724	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
2725	_global_reattach; # objects, sockets	4015	_global_reattach; # objects, sockets
2726	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
2727	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
2728	warn "reattaching attachments to players";	4018	trace "perl_reload: reattaching attachments to players";
2729	reattach $_ for values %PLAYER;	4019	reattach $_ for values %PLAYER;
		4020	}
2730		4021
2731	warn "leaving sync_job";	4022	cf::_post_init 1;
2732		4023
		4024	trace "perl_reload: leaving sync_job";
		4025
2733	1	4026	1
2734	} or do {	4027	} or do {
2735	warn $@;	4028	error $@;
2736	warn "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
2737	exit 1;	4030	};
		4031
		4032	--$RELOAD;
2738	};	4033	}
2739		4034
2740	warn "reloaded";	4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
2741	};	4037	};
2742		4038
2743	our $RELOAD_WATCHER; # used only during reload	4039	our $RELOAD_WATCHER; # used only during reload
2744		4040
2745	sub reload_perl() {	4041	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	4042	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	4043	# coro crashes during coro_state_free->destroy here.
2748		4044
2749	$RELOAD_WATCHER ||= Event->timer (	4045	$RELOAD_WATCHER ||= cf::async {
2750	reentrant => 0,	4046	Coro::AIO::aio_wait cache_extensions;
2751	after => 0,	4047
2752	data => WF_AUTOCANCEL,	4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2753	cb => sub {
2754	do_reload_perl;	4049	do_reload_perl;
2755	undef $RELOAD_WATCHER;	4050	undef $RELOAD_WATCHER;
2756	},	4051	};
2757	);	4052	};
2758	}	4053	}
2759		4054
2760	register_command "reload" => sub {	4055	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2762		4057
2763	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
		4060	async {
		4061	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	4062	reload_perl;
		4063	};
2766	}	4064	}
2767	};	4065	};
2768		4066
2769	unshift @INC, $LIBDIR;	4067	#############################################################################
2770		4068
2771	my $bug_warning = 0;	4069	my $bug_warning = 0;
2772		4070
2773	our @WAIT_FOR_TICK;	4071	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;	4072	our @WAIT_FOR_TICK_BEGIN;
2775		4073
2776	sub wait_for_tick {	4074	sub wait_for_tick() {
2777	return unless $TICK_WATCHER->is_active;
2778	return if $Coro::current == $Coro::main;	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2779		4076
2780	my $signal = new Coro::Signal;	4077	my $signal = new Coro::Signal;
2781	push @WAIT_FOR_TICK, $signal;	4078	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;	4079	$signal->wait;
2783	}	4080	}
2784		4081
2785	sub wait_for_tick_begin {	4082	sub wait_for_tick_begin() {
2786	return unless $TICK_WATCHER->is_active;
2787	return if $Coro::current == $Coro::main;	4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2788		4084
2789	my $signal = new Coro::Signal;	4085	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	4086	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	4087	$signal->wait;
2792	}	4088	}
2793		4089
2794	$TICK_WATCHER = Event->timer (	4090	sub tick {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
2804	return;	4094	return;
2805	}	4095	}
2806		4096
2807	$NOW = Event::time;
2808
2809	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2810		4098
2811	$RUNTIME += $TICK;	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2812	$NEXT_TICK += $TICK;
2813		4100
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	4103	Coro::async_pool {
		4104	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	4105	write_runtime_sync
2818	or warn "ERROR: unable to write runtime file: $!";	4106	or error "ERROR: unable to write runtime file: $!";
2819	};
2820	}	4107	};
		4108	}
2821		4109
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	4111	$sig->send;
2833	}	4112	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {	4113	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;	4114	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	4115	}
2840	);	4116
		4117	$LOAD = ($NOW - $TICK_START) / $TICK;
		4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4119
		4120	if (0) {
		4121	if ($NEXT_TICK) {
		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
		4125	}
		4126	}
		4127	}
2841		4128
2842	{	4129	{
2843	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	4131
2845	reentrant => 0,
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	4132	BDB::min_parallel 16;
2853		4133	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	4134	$AnyEvent::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		4135
2869	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
2870	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2871		4143
2872	cf::sync_job {	4144	cf::sync_job {
2873	eval {	4145	eval {
2874	BDB::db_env_open	4146	BDB::db_env_open
2875	$DB_ENV,	4147	$DB_ENV,
2876	$BDB_ENV_DIR,	4148	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	4151	0666;
2880		4152
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	4154	};
2886		4155
2887	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	4157	};
2889	}	4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
2890	}	4169	}
2891		4170
2892	{	4171	{
		4172	# configure IO::AIO
		4173
2893	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	4176	undef $AnyEvent::AIO::WATCHER;
2898	reentrant => 0,	4177	}
2899	data => WF_AUTOCANCEL,	4178
2900	fd => IO::AIO::poll_fileno,	4179	our $_log_backtrace;
2901	poll => 'r',	4180	our $_log_backtrace_last;
2902	prio => 6,	4181
2903	cb => \&IO::AIO::poll_cb,	4182	sub _log_backtrace {
2904	);	4183	my ($msg, @addr) = @_;
		4184
		4185	$msg =~ s/\n$//;
		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4190	# limit the # of concurrent backtraces
		4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
		4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
		4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
		4198	my @bt = fork_call {
		4199	@addr = map { sprintf "%x", $_ } @addr;
		4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4202	or die "addr2line: $!";
		4203
		4204	my @funcs;
		4205	my @res = <$fh>;
		4206	chomp for @res;
		4207	while (@res) {
		4208	my ($func, $line) = splice @res, 0, 2, ();
		4209	push @funcs, "[$func] $line";
		4210	}
		4211
		4212	@funcs
		4213	};
		4214
		4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4217	LOG llevInfo, "[ABT] $_\n" for @bt;
		4218	--$_log_backtrace;
		4219	};
		4220	} else {
		4221	LOG llevInfo, "[ABT] $msg\n";
		4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4223	}
2905	}	4224	}
2906		4225
2907	# load additional modules	4226	# load additional modules
2908	use cf::pod;	4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
2909		4229
2910	END { cf::emergency_save }	4230	END { cf::emergency_save }
2911		4231
2912	1	4232	1
2913		4233

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