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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.561 by root, Fri Apr 22 06:10:33 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 Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	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;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98
59	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	123	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		132
68	our %CFG;	133	our %CFG;
69		134
70	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
72		138
73	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		142
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		155
85	binmode STDOUT;	156	binmode STDOUT;
86	binmode STDERR;	157	binmode STDERR;
87		158
88	# read virtual server time, if available	159	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
93	}	164	}
94		165
95	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	167
97	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		170
102	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
103		172
104	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::"} };
105		189
106	#############################################################################	190	#############################################################################
107		191
108	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
109		193
…		…
116	=item $cf::RUNTIME	200	=item $cf::RUNTIME
117		201
118	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
119	every server tick.	203	every server tick.
120		204
121	=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
122		208
123	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		213
126	=item $cf::NOW	214	=item $cf::NOW
127		215
128	The time of the last (current) server tick.	216	The time of the last (current) server tick.
129		217
130	=item $cf::TICK	218	=item $cf::TICK
131		219
132	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	232	=item %cf::CFG
135		233
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	235	from wherever your confdir points to.
138		236
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		238
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
145		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	utf8::encode $msg;
154		272
155	$msg .= "\n"	273	$msg .= "\n"
156	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
157		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
158	LOG llevError, $msg;	278	LOG llevWarn, $msg;
159	};	279	};
160	}	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	};
161		294
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		302
169	# 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
170	# within the Safe compartment.	304	# within the Safe compartment.
171	for my $pkg (qw(	305	for my $pkg (qw(
172	cf::global cf::attachable	306	cf::global cf::attachable
173	cf::object cf::object::player	307	cf::object cf::object::player
174	cf::client cf::player	308	cf::client cf::player
175	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
176	cf::map cf::party cf::region	311	cf::party cf::region
177	)) {	312	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	314	}
181		315
182	$Event::DIED = sub {	316	$EV::DIED = sub {
183	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
184	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
185		326
186	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
187		328
188	=over 4	329	=over 4
189		330
…		…
208	$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;
209	$d	350	$d
210	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
211	}	352	}
212		353
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
214		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
215	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
216		369
217	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
218		371
219	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
220		373
221	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
222		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
223	=item cf::lock_wait $string	445	=item cf::lock_wait $string
224		446
225	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
226		448
227	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
228		450
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
232	returned.	454	returned.
233		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
234	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
235	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
236		461
237	=cut	462	=item $locked = cf::lock_active $string
238		463
239	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;
240		469
241	sub lock_wait($) {	470	sub lock_wait($) {
242	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	472	}
250		473
251	sub lock_acquire($) {	474	sub lock_acquire($) {
252	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
253		477
254	# wait, to be sure we are not locked	478	sub lock_active($) {
255	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	480	}
264		481
265	sub freeze_mainloop {	482	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
267		484
268	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
269	$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	}
270	};	556	}
271	$TICK_WATCHER->stop;	557	};
272	$guard	558
		559	sub get_slot($;$$) {
		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;
273	}	572	}
274		573
275	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
276		575
277	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		581
283	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
284		583
285	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
286		585
287	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
290		590
291	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
294	fast or be very important.	594	fast or be very important.
…		…
296	=cut	596	=cut
297		597
298	sub sync_job(&) {	598	sub sync_job(&) {
299	my ($job) = @_;	599	my ($job) = @_;
300		600
301	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
302	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
304		606
305	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	608
307	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
308		610
309	my $busy = 1;	611	my $busy = 1;
310	my @res;	612	my @res;
311		613
312	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	616	@res = eval { $job->() };
314	warn $@ if $@;	617	error $@ if $@;
315	undef $busy;	618	undef $busy;
316	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
317		620
318	while ($busy) {	621	while ($busy) {
319	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
320	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
321		632
322	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
323	} else {	634	} else {
324	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
325		636
…		…
345	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
346		657
347	$coro	658	$coro
348	}	659	}
349		660
350	sub write_runtime {	661	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		662
353	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.
354		667
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
356	or return;
357		669
358	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
360	# 60 allows for the watchdog to kill the server.	672	}
361		673
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
363	and return;	675	my ($cb, @args) = @_;
364		676
365	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
367	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
368		680
369	close $fh	681	my @res = Coro::Util::fork_eval {
370	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
371		685
372	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
373	and return;	687	}
374		688
		689	sub objinfo {
375	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"
376	}	853	}
377		854
378	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
379		856
380	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.
381		858
382	=cut	859	=cut
383		860
384	sub datalog($@) {	861	sub datalog($@) {
385	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	864	}
388		865
389	=back	866	=back
390		867
391	=cut	868	=cut
392		869
393	#############################################################################	870	#############################################################################
394		871
395	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
396		873
397	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
398	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")
399	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
400		877
401	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>
402	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
403	crossfire+).	880	Deliantra).
404		881
405	=over 4	882	=over 4
406		883
407	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
408		885
…		…
452	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
453		930
454	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
455	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
456		933
457	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		936
460	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
461		938
462	=over 4	939	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
572		1049
573	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1054
578	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
580		1057
581	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
586		1063
587	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1066
590	} elsif (ref $type) {	1067	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
592		1069
593	} else {	1070	} else {
594	shift @arg;	1071	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
596	}	1073	}
597	}	1074	}
598	}	1075	}
599		1076
600	sub _object_attach {	1077	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
611	}	1088	}
612		1089
613	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
614	} else {	1091	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1093	}
617		1094
618	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
619	}	1096	}
620		1097
…		…
622	if (ref $_[0]) {	1099	if (ref $_[0]) {
623	_object_attach @_;	1100	_object_attach @_;
624	} else {	1101	} else {
625	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
626	}	1103	}
		1104	_recalc_want;
627	};	1105	};
628		1106
629	# all those should be optimised	1107	# all those should be optimised
630	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1113	reattach ($obj);
636	} else {	1114	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
638	}	1116	}
		1117	_recalc_want;
639	};	1118	};
640		1119
641	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
643		1122
…		…
658	";	1137	";
659	die if $@;	1138	die if $@;
660	}	1139	}
661		1140
662	our $override;	1141	our $override;
663	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?
664		1143
665	sub override {	1144	sub override {
666	$override = 1;	1145	$override = 1;
667	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
668	}	1147	}
669		1148
670	sub do_invoke {	1149	sub do_invoke {
671	my $event = shift;	1150	my $event = shift;
672	my $callbacks = shift;	1151	my $callbacks = shift;
673		1152
674	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
675		1154
676	local $override;	1155	local $override;
677		1156
678	for (@$callbacks) {	1157	for (@$callbacks) {
679	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
680		1159
681	if ($@) {	1160	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1162	override;
685	}	1163	}
686		1164
687	return 1 if $override;	1165	return 1 if $override;
688	}	1166	}
689		1167
690	0	1168	0
691	}	1169	}
692		1170
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1172
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1174
697	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
698		1176
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1180
703	=back	1181	=back
704		1182
705	=cut	1183	=cut
706		1184
707	#############################################################################	1185	#############################################################################
708	# 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	}
709		1229
710	sub reattach {	1230	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1232	my ($obj) = @_;
713		1233
		1234	# no longer needed after getting rid of delete_package?
714	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
715		1236
716	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
717		1238
718	@$registry = ();	1239	@$registry = ();
719		1240
…		…
724	for (@$attach) {	1245	for (@$attach) {
725	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
727	}	1248	}
728	} else {	1249	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1251	}
731	}	1252	}
732	}	1253	}
733		1254
734	cf::attachable->attach (	1255	cf::attachable->attach (
735	prio => -1000000,	1256	prio => -1000000,
736	on_instantiate => sub {	1257	on_instantiate => sub {
737	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
738		1259
739	$data = from_json $data;	1260	$data = decode_json $data;
740		1261
741	for (@$data) {	1262	for (@$data) {
742	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
743		1264
744	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1281	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
762		1283
763	sync_job {	1284	sync_job {
764	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
767		1290
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1298	aio_close $fh;
773		1299
774	if (@$objs) {	1300	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1309	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
782	}	1311	}
783	} else {	1312	} else {
784	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
785	}	1314	}
786		1315
787	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1320	} else {
789	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
790	}	1322	}
791	} else {	1323	} else {
792	aio_unlink $filename;	1324	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
794	}	1326	}
795	}	1327	};
796	}	1328	}
797		1329
798	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
800		1332
…		…
812	or return;	1344	or return;
813		1345
814	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
816	or return;	1348	or return;
		1349
817	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
818	}	1352	}
819		1353
		1354	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
822	return ($data, $av);	1359	($data, $av)
823	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
824		1367
825	#############################################################################	1368	#############################################################################
826	# command handling &c	1369	# command handling &c
827		1370
828	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1385	}
843		1386
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1388
846	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.
847		1394
848	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
849	called.	1396	called.
850		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
851	=cut	1409	=cut
852		1410
853	sub register_extcmd {	1411	sub register_extcmd {
854	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
855		1413
856	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
857	}	1415	}
858		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
859	cf::player->attach (	1425	cf::player->attach (
860	on_command => sub {	1426	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
862		1428
863	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
864	or return;	1430	or return;
865		1431
…		…
870	cf::override;	1436	cf::override;
871	},	1437	},
872	on_extcmd => sub {	1438	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
874		1440
875	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1442
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
883	} else {	1458	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1460	}
886		1461
887	cf::override;	1462	cf::override;
888	},	1463	},
889	);	1464	);
890		1465
		1466	# "readahead" all extensions
891	sub load_extension {	1467	sub cache_extensions {
892	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
893		1469
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1473	}
919	die $@;
920	}	1474	};
921		1475
922	push @EXTS, $pkg;	1476	$grp
923	}	1477	}
924		1478
925	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
926	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1486	next unless -r $path;
928	eval {	1487
929	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	}
930	1	1551	}
931	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
932	}	1564	};
933	}	1565	}
934		1566
935	#############################################################################	1567	#############################################################################
936		1568
		1569	=back
		1570
937	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
938		1572
939	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
940		1574
941	=cut	1575	=cut
942		1576
943	package cf::player;	1577	package cf::player;
944		1578
…		…
946		1580
947	=head3 cf::player	1581	=head3 cf::player
948		1582
949	=over 4	1583	=over 4
950		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
951	=item cf::player::find $login	1599	=item cf::player::find $login
952		1600
953	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
954		1602
955	=cut	1603	=cut
956		1604
957	sub playerdir($) {	1605	sub playerdir($) {
958	cf::localdir	1606	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1608	}
964		1609
965	sub path($) {	1610	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1621
977	sub exists($) {	1622	sub exists($) {
978	my ($login) = @_;	1623	my ($login) = @_;
979		1624
980	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
982	}	1627	}
983		1628
984	sub find($) {	1629	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1631	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
997		1642
998	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
999	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1001	}	1652	}
1002	}	1653	}
1003	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1004		1668
1005	sub save($) {	1669	sub save($) {
1006	my ($pl) = @_;	1670	my ($pl) = @_;
1007		1671
1008	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1013	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1014		1678
1015	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1017		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1018	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1019	Coro::cede;	1688	cf::cede_to_tick;
1020	}	1689	}
1021		1690
1022	sub new($) {	1691	sub new($) {
1023	my ($login) = @_;	1692	my ($login) = @_;
1024		1693
…		…
1030	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1031		1700
1032	$self	1701	$self
1033	}	1702	}
1034		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1035	=item $pl->quit_character	1714	=item $pl->quit_character
1036		1715
1037	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1039		1718
…		…
1043	my ($pl) = @_;	1722	my ($pl) = @_;
1044		1723
1045	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1046		1725
1047	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1048	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1049		1728
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1051	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1053	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1054		1737
1055	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1057	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1086	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1087		1770
1088	=cut	1771	=cut
1089		1772
1090	sub list_logins {	1773	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1775	or return [];
1093		1776
1094	my @logins;	1777	my @logins;
1095		1778
1096	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1100		1789
1101	utf8::decode $login;	1790	utf8::decode $login;
1102	push @logins, $login;	1791	push @logins, $login;
1103	}	1792	}
1104		1793
1105	\@logins	1794	\@logins
1106	}	1795	}
1107		1796
1108	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1109		1800
1110	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1111	player. May block.	1802	player. May block.
1112		1803
1113	=cut	1804	=cut
…		…
1131	}	1822	}
1132		1823
1133	\@paths	1824	\@paths
1134	}	1825	}
1135		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1136	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1137		1832
1138	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1139		1834
1140	=cut	1835	=cut
1141		1836
1142	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1144		1839
1145	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1841	}
1149		1842
1150	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1151		1844
1152	Sends an ext event to the client.	1845	Sends an ext event to the client.
1153		1846
1154	=cut	1847	=cut
1155		1848
1156	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1158		1851
1159	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1160	}	1853	}
1161		1854
1162	package cf;	1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1163		1885
1164	=back	1886	=back
1165
1166		1887
1167	=head3 cf::map	1888	=head3 cf::map
1168		1889
1169	=over 4	1890	=over 4
1170		1891
…		…
1182	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1184		1905
1185	sub generate_random_map {	1906	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1187	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1188	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1192	$rmp->{exit_on_final_map},
1193	$rmp->{xsize}, $rmp->{ysize},
1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1199	(cf::region::find $rmp->{region}), $rmp->{custom}
1200	)
1201	}	1912	}
1202		1913
1203	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1204		1915
1205	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1210		1921
1211	sub register {	1922	sub register {
1212	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1213	my $pkg = caller;	1924	my $pkg = caller;
1214		1925
1215	no strict;
1216	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1217		1927
1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1219	}	1929	}
1220		1930
1221	# also paths starting with '/'	1931	# also paths starting with '/'
1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1223		1933
1224	sub thawer_merge {	1934	sub thawer_merge {
1225	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1226		1936
1227	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1228	local $self->{path};	1938	local $self->{path};
1229	local $self->{load_path};	1939	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1940
1233	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1234	}	1942	}
1235		1943
1236	sub normalise {	1944	sub normalise {
1237	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1238		1946
1239	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1240		1948
1241	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1242		1950
1243	# map plan:	1951	# map plan:
1244	#	1952	#
…		…
1259	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1260	$path = "$base/$path";	1968	$path = "$base/$path";
1261	}	1969	}
1262		1970
1263	for ($path) {	1971	for ($path) {
1264	redo if s{//}{/};
1265	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1266	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1267	}	1974	}
1268		1975
1269	$path	1976	$path
…		…
1283	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1284	return $self;	1991	return $self;
1285	}	1992	}
1286	}	1993	}
1287		1994
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1289	()	1996	()
1290	}	1997	}
1291		1998
		1999	# may re-bless or do other evil things
1292	sub init {	2000	sub init {
1293	my ($self) = @_;	2001	my ($self) = @_;
1294		2002
1295	$self	2003	$self
1296	}	2004	}
…		…
1308		2016
1309	# the original (read-only) location	2017	# the original (read-only) location
1310	sub load_path {	2018	sub load_path {
1311	my ($self) = @_;	2019	my ($self) = @_;
1312		2020
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1314	}	2022	}
1315		2023
1316	# the temporary/swap location	2024	# the temporary/swap location
1317	sub save_path {	2025	sub save_path {
1318	my ($self) = @_;	2026	my ($self) = @_;
1319		2027
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1322	}	2030	}
1323		2031
1324	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1325	sub uniq_path {	2033	sub uniq_path {
1326	my ($self) = @_;	2034	my ($self) = @_;
1327		2035
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1330	}	2038	}
1331		2039
1332	# and all this just because we cannot iterate over	2040	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	2041	my ($self) = @_;
1336		2042
1337	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1339	}	2046	}
1340		2047
1341	sub unlink_save {	2048	sub unlink_save {
1342	my ($self) = @_;	2049	my ($self) = @_;
1343		2050
…		…
1348		2055
1349	sub load_header_from($) {	2056	sub load_header_from($) {
1350	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1351		2058
1352	utf8::encode $path;	2059	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1358		2068
1359	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1360		2070
1361	1	2071	1
1362	}	2072	}
…		…
1401	$self->load_header_orig	2111	$self->load_header_orig
1402	or return;	2112	or return;
1403	$self->prepare_orig;	2113	$self->prepare_orig;
1404	}	2114	}
1405		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
		2119	$self->default_region (cf::region::find_by_path $self->{path})
		2120	unless $self->default_region;
		2121
1406	1	2122	1
1407	}	2123	}
1408		2124
1409	sub find;	2125	sub find;
1410	sub find {	2126	sub find {
1411	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1412		2128
		2129	cf::cede_to_tick;
		2130
1413	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1414		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1416		2135
1417	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1420	or return;	2138	or return;
1421		2139
1422	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1423		2141
1424	$map->load_header	2142	$map->load_header
1425	or return;	2143	or return;
1426		2144
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1430	$map->reset;	2150	$map->reset;
1431	undef $guard;
1432	return find $path;	2151	return find $path;
1433	}	2152	}
1434		2153
1435	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1436	}	2155	}
1437	}	2156	}
1438		2157
1439	sub pre_load { }	2158	sub pre_load { }
1440	sub post_load { }	2159	#sub post_load { } # XS
1441		2160
1442	sub load {	2161	sub load {
1443	my ($self) = @_;	2162	my ($self) = @_;
1444		2163
1445	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1446		2165
1447	my $path = $self->{path};	2166	my $path = $self->{path};
		2167
		2168	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1449		2170
		2171	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2173
1452	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1453		2175
1454	$self->alloc;	2176	$self->alloc;
1455		2177
1456	$self->pre_load;	2178	$self->pre_load;
		2179	cf::cede_to_tick;
1457		2180
1458	$self->_load_objects ($self->{load_path}, 1)	2181	my $f = new_from_file cf::object::thawer $self->{load_path};
		2182	$f->skip_block;
		2183	$self->_load_objects ($f)
1459	or return;	2184	or return;
1460		2185
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2186	$self->post_load_original
1462	if delete $self->{load_original};	2187	if delete $self->{load_original};
1463		2188
1464	if (my $uniq = $self->uniq_path) {	2189	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2190	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2191	unless (aio_stat $uniq) {
		2192	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2193	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2194	$self->_load_objects ($f);
		2195	$f->resolve_delayed_derefs;
		2196	}
1469	}	2197	}
1470	}	2198	}
1471		2199
1472	Coro::cede;	2200	$f->resolve_delayed_derefs;
1473		2201
		2202	cf::cede_to_tick;
1474	# now do the right thing for maps	2203	# now do the right thing for maps
1475	$self->link_multipart_objects;	2204	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2205	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2206	unless $self->difficulty;
1485	Coro::cede;	2207	cf::cede_to_tick;
		2208
		2209	unless ($self->{deny_activate}) {
		2210	$self->decay_objects;
		2211	$self->fix_auto_apply;
		2212	$self->update_buttons;
		2213	cf::cede_to_tick;
1486	$self->activate;	2214	$self->activate;
		2215	}
		2216
		2217	$self->{last_save} = $cf::RUNTIME;
		2218	$self->last_access ($cf::RUNTIME);
		2219
		2220	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2221	}
1488		2222
1489	$self->post_load;	2223	$self->post_load;
1490		2224
1491	$self->in_memory (cf::MAP_IN_MEMORY);	2225	1
1492	}	2226	}
1493		2227
		2228	# customize the map for a given player, i.e.
		2229	# return the _real_ map. used by e.g. per-player
		2230	# maps to change the path to ~playername/mappath
1494	sub customise_for {	2231	sub customise_for {
1495	my ($self, $ob) = @_;	2232	my ($self, $ob) = @_;
1496		2233
1497	return find "~" . $ob->name . "/" . $self->{path}	2234	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2235	if $self->per_player;
1499		2236
		2237	# return find "?party/" . $ob->name . "/" . $self->{path}
		2238	# if $self->per_party;
		2239
1500	$self	2240	$self
1501	}	2241	}
1502		2242
1503	# find and load all maps in the 3x3 area around a map	2243	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2244	sub load_neighbours {
1505	my ($map) = @_;	2245	my ($map) = @_;
1506		2246
1507	my @diag; # diagonal neighbours	2247	my @neigh; # diagonal neighbours
1508		2248
1509	for (0 .. 3) {	2249	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2250	my $neigh = $map->tile_path ($_)
1511	or next;	2251	or next;
1512	$neigh = find $neigh, $map	2252	$neigh = find $neigh, $map
1513	or next;	2253	or next;
1514	$neigh->load;	2254	$neigh->load;
1515		2255
		2256	# now find the diagonal neighbours
		2257	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2258	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2259	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2260	}
1519		2261
1520	for (@diag) {	2262	for (grep defined $_->[0], @neigh) {
		2263	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2264	my $neigh = find $path, $origin
1522	or next;	2265	or next;
1523	$neigh->load;	2266	$neigh->load;
1524	}	2267	}
1525	}	2268	}
1526		2269
1527	sub find_sync {	2270	sub find_sync {
1528	my ($path, $origin) = @_;	2271	my ($path, $origin) = @_;
1529		2272
1530	cf::sync_job { find $path, $origin }	2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1531	}	2277	}
1532		2278
1533	sub do_load_sync {	2279	sub do_load_sync {
1534	my ($map) = @_;	2280	my ($map) = @_;
1535		2281
1536	cf::sync_job { $map->load };	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	$map->load;
1537	}	2286	}
1538		2287
1539	our %MAP_PREFETCH;	2288	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2289	our $MAP_PREFETCHER = undef;
1541		2290
1542	sub find_async {	2291	sub find_async {
1543	my ($path, $origin) = @_;	2292	my ($path, $origin, $load) = @_;
1544		2293
1545	$path = normalise $path, $origin && $origin->{path};	2294	$path = normalise $path, $origin && $origin->{path};
1546		2295
1547	if (my $map = $cf::MAP{$path}) {	2296	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2297	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2298	}
1550		2299
1551	undef $MAP_PREFETCH{$path};	2300	$MAP_PREFETCH{$path} |= $load;
		2301
1552	$MAP_PREFETCHER ||= cf::async {	2302	$MAP_PREFETCHER ||= cf::async {
		2303	$Coro::current->{desc} = "map prefetcher";
		2304
1553	while (%MAP_PREFETCH) {	2305	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2306	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2307	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2308	$map->load if $v;
		2309	}
1558		2310
1559	delete $MAP_PREFETCH{$path};	2311	delete $MAP_PREFETCH{$k};
1560	}	2312	}
1561	}	2313	}
1562	undef $MAP_PREFETCHER;	2314	undef $MAP_PREFETCHER;
1563	};	2315	};
1564	$MAP_PREFETCHER->prio (6);	2316	$MAP_PREFETCHER->prio (6);
1565		2317
1566	()	2318	()
1567	}	2319	}
1568		2320
		2321	# common code, used by both ->save and ->swapout
1569	sub save {	2322	sub _save {
1570	my ($self) = @_;	2323	my ($self) = @_;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1573		2324
1574	$self->{last_save} = $cf::RUNTIME;	2325	$self->{last_save} = $cf::RUNTIME;
1575		2326
1576	return unless $self->dirty;	2327	return unless $self->dirty;
1577		2328
…		…
1583	return if $self->{deny_save};	2334	return if $self->{deny_save};
1584		2335
1585	local $self->{last_access} = $self->last_access;#d#	2336	local $self->{last_access} = $self->last_access;#d#
1586		2337
1587	cf::async {	2338	cf::async {
		2339	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2340	$_->contr->save for $self->players;
1589	};	2341	};
		2342
		2343	cf::get_slot 0.02;
1590		2344
1591	if ($uniq) {	2345	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2347	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2348	} else {
1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2349	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1596	}	2350	}
1597	}	2351	}
1598		2352
		2353	sub save {
		2354	my ($self) = @_;
		2355
		2356	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2357
		2358	$self->_save;
		2359	}
		2360
1599	sub swap_out {	2361	sub swap_out {
1600	my ($self) = @_;	2362	my ($self) = @_;
1601		2363
1602	# save first because save cedes
1603	$self->save;
1604
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2364	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2365
		2366	return if $self->in_memory != cf::MAP_ACTIVE;
		2367	return if $self->{deny_save};
1607	return if $self->players;	2368	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};
1610		2369
		2370	# first deactivate the map and "unlink" it from the core
		2371	$self->deactivate;
		2372	$_->clear_links_to ($self) for values %cf::MAP;
		2373	$self->in_memory (cf::MAP_SWAPPED);
		2374
		2375	# then atomically save
		2376	$self->_save;
		2377
		2378	# then free the map
1611	$self->clear;	2379	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2380	}
1614		2381
1615	sub reset_at {	2382	sub reset_at {
1616	my ($self) = @_;	2383	my ($self) = @_;
1617		2384
1618	# TODO: safety, remove and allow resettable per-player maps	2385	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2386	return 1e99 if $self->{deny_reset};
1621		2387
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2388	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2389	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2390
…		…
1635	my ($self) = @_;	2401	my ($self) = @_;
1636		2402
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2404
1639	return if $self->players;	2405	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2406
1642	warn "resetting map ", $self->path;#d#	2407	cf::trace "resetting map ", $self->path, "\n";
1643		2408
1644	$self->in_memory (cf::MAP_SWAPPED);	2409	$self->in_memory (cf::MAP_SWAPPED);
1645		2410
1646	# need to save uniques path	2411	# need to save uniques path
1647	unless ($self->{deny_save}) {	2412	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2416	if $uniq;
1652	}	2417	}
1653		2418
1654	delete $cf::MAP{$self->path};	2419	delete $cf::MAP{$self->path};
1655		2420
		2421	$self->deactivate;
		2422	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2423	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2424
1660	$self->unlink_save;	2425	$self->unlink_save;
1661	$self->destroy;	2426	$self->destroy;
1662	}	2427	}
1663		2428
1664	my $nuke_counter = "aaaa";	2429	my $nuke_counter = "aaaa";
1665		2430
1666	sub nuke {	2431	sub nuke {
1667	my ($self) = @_;	2432	my ($self) = @_;
1668		2433
		2434	{
		2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2436
1669	delete $cf::MAP{$self->path};	2437	delete $cf::MAP{$self->path};
1670		2438
1671	$self->unlink_save;	2439	$self->unlink_save;
1672		2440
1673	bless $self, "cf::map";	2441	bless $self, "cf::map::wrap";
1674	delete $self->{deny_reset};	2442	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2443	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2444	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2445	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2446
1679	$cf::MAP{$self->path} = $self;	2447	$cf::MAP{$self->path} = $self;
		2448	}
1680		2449
1681	$self->reset; # polite request, might not happen	2450	$self->reset; # polite request, might not happen
		2451	}
		2452
		2453	=item $maps = cf::map::tmp_maps
		2454
		2455	Returns an arrayref with all map paths of currently instantiated and saved
		2456	maps. May block.
		2457
		2458	=cut
		2459
		2460	sub tmp_maps() {
		2461	[
		2462	map {
		2463	utf8::decode $_;
		2464	/\.map$/
		2465	? normalise $_
		2466	: ()
		2467	} @{ aio_readdir $TMPDIR or [] }
		2468	]
		2469	}
		2470
		2471	=item $maps = cf::map::random_maps
		2472
		2473	Returns an arrayref with all map paths of currently instantiated and saved
		2474	random maps. May block.
		2475
		2476	=cut
		2477
		2478	sub random_maps() {
		2479	[
		2480	map {
		2481	utf8::decode $_;
		2482	/\.map$/
		2483	? normalise "?random/$_"
		2484	: ()
		2485	} @{ aio_readdir $RANDOMDIR or [] }
		2486	]
1682	}	2487	}
1683		2488
1684	=item cf::map::unique_maps	2489	=item cf::map::unique_maps
1685		2490
1686	Returns an arrayref of paths of all shared maps that have	2491	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2492	instantiated unique items. May block.
1688		2493
1689	=cut	2494	=cut
1690		2495
1691	sub unique_maps() {	2496	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2497	[
1693	or return;	2498	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2499	utf8::decode $_;
1699	next if /\.pst$/;	2500	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2501	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2502	? ()
1702	push @paths, cf::map::normalise $_;	2503	: normalise $_
		2504	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2505	]
1704
1705	\@paths
1706	}	2506	}
1707		2507
1708	package cf;	2508	=item cf::map::static_maps
		2509
		2510	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2511	file in the shared directory excluding F</styles> and F</editor>). May
		2512	block.
		2513
		2514	=cut
		2515
		2516	sub static_maps() {
		2517	my @dirs = "";
		2518	my @maps;
		2519
		2520	while (@dirs) {
		2521	my $dir = shift @dirs;
		2522
		2523	next if $dir eq "/styles" || $dir eq "/editor";
		2524
		2525	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2526	or return;
		2527
		2528	for (@$files) {
		2529	s/\.map$// or next;
		2530	utf8::decode $_;
		2531	push @maps, "$dir/$_";
		2532	}
		2533
		2534	push @dirs, map "$dir/$_", @$dirs;
		2535	}
		2536
		2537	\@maps
		2538	}
1709		2539
1710	=back	2540	=back
1711		2541
1712	=head3 cf::object	2542	=head3 cf::object
1713		2543
…		…
1717		2547
1718	=over 4	2548	=over 4
1719		2549
1720	=item $ob->inv_recursive	2550	=item $ob->inv_recursive
1721		2551
1722	Returns the inventory of the object _and_ their inventories, recursively.	2552	Returns the inventory of the object I<and> their inventories, recursively,
		2553	but I<not> the object itself.
1723		2554
1724	=cut	2555	=cut
1725		2556
1726	sub inv_recursive_;	2557	sub inv_recursive_;
1727	sub inv_recursive_ {	2558	sub inv_recursive_ {
…		…
1730		2561
1731	sub inv_recursive {	2562	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2563	inv_recursive_ inv $_[0]
1733	}	2564	}
1734		2565
		2566	=item $ref = $ob->ref
		2567
		2568	Creates and returns a persistent reference to an object that can be stored as a string.
		2569
		2570	=item $ob = cf::object::deref ($refstring)
		2571
		2572	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2573	even if the object actually exists. May block.
		2574
		2575	=cut
		2576
		2577	sub deref {
		2578	my ($ref) = @_;
		2579
		2580	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2581	my ($uuid, $name) = ($1, $2);
		2582	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2583	or return;
		2584	$pl->ob->uuid eq $uuid
		2585	or return;
		2586
		2587	$pl->ob
		2588	} else {
		2589	warn "$ref: cannot resolve object reference\n";
		2590	undef
		2591	}
		2592	}
		2593
1735	package cf;	2594	package cf;
1736		2595
1737	=back	2596	=back
1738		2597
1739	=head3 cf::object::player	2598	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2604	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2605	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2606	dialogue with the given NPC character.
1748		2607
1749	=cut	2608	=cut
		2609
		2610	our $SAY_CHANNEL = {
		2611	id => "say",
		2612	title => "Map",
		2613	reply => "say ",
		2614	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2615	};
		2616
		2617	our $CHAT_CHANNEL = {
		2618	id => "chat",
		2619	title => "Chat",
		2620	reply => "chat ",
		2621	tooltip => "Player chat and shouts, global to the server.",
		2622	};
1750		2623
1751	# rough implementation of a future "reply" method that works	2624	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2625	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2626	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2627	sub cf::object::player::reply($$$;$) {
…		…
1756		2629
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2631
1759	if ($self->{record_replies}) {	2632	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2634
1761	} else {	2635	} else {
		2636	my $pl = $self->contr;
		2637
		2638	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2639	my $dialog = $pl->{npc_dialog};
		2640	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2641
		2642	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2643	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2644	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2645	}
1764	}	2646	}
		2647	}
		2648
		2649	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2650
		2651	=cut
		2652
		2653	sub cf::object::send_msg {
		2654	my $pl = shift->contr
		2655	or return;
		2656	$pl->send_msg (@_);
1765	}	2657	}
1766		2658
1767	=item $player_object->may ("access")	2659	=item $player_object->may ("access")
1768		2660
1769	Returns wether the given player is authorized to access resource "access"	2661	Returns wether the given player is authorized to access resource "access"
…		…
1782		2674
1783	=item $player_object->enter_link	2675	=item $player_object->enter_link
1784		2676
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2677	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2678
1787	The player should be reasonably safe there for short amounts of time. You	2679	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2680	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2681	though, as the player cannot control the character while it is on the link
		2682	map.
1789		2683
1790	Will never block.	2684	Will never block.
1791		2685
1792	=item $player_object->leave_link ($map, $x, $y)	2686	=item $player_object->leave_link ($map, $x, $y)
1793		2687
…		…
1813	sub cf::object::player::enter_link {	2707	sub cf::object::player::enter_link {
1814	my ($self) = @_;	2708	my ($self) = @_;
1815		2709
1816	$self->deactivate_recursive;	2710	$self->deactivate_recursive;
1817		2711
		2712	++$self->{_link_recursion};
		2713
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2714	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2715
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2716	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2717	if $self->map && $self->map->{path} ne "{link}";
1822		2718
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2719	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1824	}	2720	}
1825		2721
1826	sub cf::object::player::leave_link {	2722	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2723	my ($self, $map, $x, $y) = @_;
		2724
		2725	return unless $self->contr->active;
1828		2726
1829	my $link_pos = delete $self->{_link_pos};	2727	my $link_pos = delete $self->{_link_pos};
1830		2728
1831	unless ($map) {	2729	unless ($map) {
1832	# restore original map position	2730	# restore original map position
…		…
1843	($x, $y) = (-1, -1)	2741	($x, $y) = (-1, -1)
1844	unless (defined $x) && (defined $y);	2742	unless (defined $x) && (defined $y);
1845		2743
1846	# use -1 or undef as default coordinates, not 0, 0	2744	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2745	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2746	if $x <= 0 && $y <= 0;
1849		2747
1850	$map->load;	2748	$map->load;
1851	$map->load_diag;	2749	$map->load_neighbours;
1852		2750
1853	return unless $self->contr->active;	2751	return unless $self->contr->active;
1854	$self->activate_recursive;
1855		2752
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
1858	}	2755	# entering was successful
1859		2756	delete $self->{_link_recursion};
1860	cf::player->attach (	2757	# only activate afterwards, to support waiting in hooks
1861	on_logout => sub {	2758	$self->activate_recursive;
1862	my ($pl) = @_;
1863
1864	# abort map switching before logout
1865	if ($pl->ob->{_link_pos}) {
1866	cf::sync_job {
1867	$pl->ob->leave_link
1868	};
1869	}
1870	},	2759	}
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2760
1874	# try to abort aborted map switching on player login :)	2761	}
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2762
1892	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1893		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1894	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1895		2777
1896	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2789
1899	$self->enter_link;	2790	$self->enter_link;
1900		2791
1901	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1902	my $map = eval {	2814	my $map = eval {
1903	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path : undef;
		2816
		2817	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
		2820	} else {
		2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823
1905	$map	2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2830	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1910	})->prio (1);	2838	})->prio (1);
1911	}	2839	}
1912		2840
1913	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1914		2842
…		…
1934	}	2862	}
1935		2863
1936	sub prepare_random_map {	2864	sub prepare_random_map {
1937	my ($exit) = @_;	2865	my ($exit) = @_;
1938		2866
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2869	# that depends on the exit object
1944		2870
1945	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2873	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
1952	}	2880	}
1953		2881
1954	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
1955		2883
1956	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
1959		2887
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2890	undef $fh;
1963	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
1964		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
1967	}	2899	}
1968	}	2900	}
1969		2901
1970	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
1972		2904
1973	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
1974		2906
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2907	$self->enter_link;
1987		2908
1988	(async {	2909	(async {
1989	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
1990	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	# random map handling
		2916	{
		2917	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2918
		2919	prepare_random_map $exit
		2920	if $exit->slaying eq "/!";
		2921	}
		2922
		2923	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2924	my $x = $exit->stats->hp;
		2925	my $y = $exit->stats->sp;
		2926
1991	$self->goto ($slaying, $hp, $sp);	2927	$self->goto ($map, $x, $y);
1992		2928
		2929	# if exit is damned, update players death & WoR home-position
		2930	$self->contr->savebed ($map, $x, $y)
		2931	if $exit->flag (cf::FLAG_DAMNED);
		2932
1993	1;	2933	1
1994	}) {	2934	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2935	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2936	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2937	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2938	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2939
2000	warn "ERROR in enter_exit: $@";	2940	error "ERROR in enter_exit: $@";
2001	$self->leave_link;	2941	$self->leave_link;
2002	}	2942	}
2003	})->prio (1);	2943	})->prio (1);
2004	}	2944	}
2005		2945
…		…
2019		2959
2020	utf8::encode $text;	2960	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2961	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2962	}
2023		2963
		2964	=item $client->send_big_packet ($pkt)
		2965
		2966	Like C<send_packet>, but tries to compress large packets, and fragments
		2967	them as required.
		2968
		2969	=cut
		2970
		2971	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2972
		2973	sub cf::client::send_big_packet {
		2974	my ($self, $pkt) = @_;
		2975
		2976	# try lzf for large packets
		2977	$pkt = "lzf " . Compress::LZF::compress $pkt
		2978	if 1024 <= length $pkt and $self->{can_lzf};
		2979
		2980	# split very large packets
		2981	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2982	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2983	$pkt = "frag";
		2984	}
		2985
		2986	$self->send_packet ($pkt);
		2987	}
		2988
		2989	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2990
		2991	Send a drawinfo or msg packet to the client, formatting the msg for the
		2992	client if neccessary. C<$type> should be a string identifying the type of
		2993	the message, with C<log> being the default. If C<$color> is negative, suppress
		2994	the message unless the client supports the msg packet.
		2995
		2996	=cut
		2997
		2998	# non-persistent channels (usually the info channel)
		2999	our %CHANNEL = (
		3000	"c/motd" => {
		3001	id => "infobox",
		3002	title => "MOTD",
		3003	reply => undef,
		3004	tooltip => "The message of the day",
		3005	},
		3006	"c/identify" => {
		3007	id => "infobox",
		3008	title => "Identify",
		3009	reply => undef,
		3010	tooltip => "Items recently identified",
		3011	},
		3012	"c/examine" => {
		3013	id => "infobox",
		3014	title => "Examine",
		3015	reply => undef,
		3016	tooltip => "Signs and other items you examined",
		3017	},
		3018	"c/shopinfo" => {
		3019	id => "infobox",
		3020	title => "Shop Info",
		3021	reply => undef,
		3022	tooltip => "What your bargaining skill tells you about the shop",
		3023	},
		3024	"c/book" => {
		3025	id => "infobox",
		3026	title => "Book",
		3027	reply => undef,
		3028	tooltip => "The contents of a note or book",
		3029	},
		3030	"c/lookat" => {
		3031	id => "infobox",
		3032	title => "Look",
		3033	reply => undef,
		3034	tooltip => "What you saw there",
		3035	},
		3036	"c/who" => {
		3037	id => "infobox",
		3038	title => "Players",
		3039	reply => undef,
		3040	tooltip => "Shows players who are currently online",
		3041	},
		3042	"c/body" => {
		3043	id => "infobox",
		3044	title => "Body Parts",
		3045	reply => undef,
		3046	tooltip => "Shows which body parts you posess and are available",
		3047	},
		3048	"c/statistics" => {
		3049	id => "infobox",
		3050	title => "Statistics",
		3051	reply => undef,
		3052	tooltip => "Shows your primary statistics",
		3053	},
		3054	"c/skills" => {
		3055	id => "infobox",
		3056	title => "Skills",
		3057	reply => undef,
		3058	tooltip => "Shows your experience per skill and item power",
		3059	},
		3060	"c/shopitems" => {
		3061	id => "infobox",
		3062	title => "Shop Items",
		3063	reply => undef,
		3064	tooltip => "Shows the items currently for sale in this shop",
		3065	},
		3066	"c/resistances" => {
		3067	id => "infobox",
		3068	title => "Resistances",
		3069	reply => undef,
		3070	tooltip => "Shows your resistances",
		3071	},
		3072	"c/pets" => {
		3073	id => "infobox",
		3074	title => "Pets",
		3075	reply => undef,
		3076	tooltip => "Shows information abotu your pets/a specific pet",
		3077	},
		3078	"c/perceiveself" => {
		3079	id => "infobox",
		3080	title => "Perceive Self",
		3081	reply => undef,
		3082	tooltip => "You gained detailed knowledge about yourself",
		3083	},
		3084	"c/uptime" => {
		3085	id => "infobox",
		3086	title => "Uptime",
		3087	reply => undef,
		3088	tooltip => "How long the server has been running since last restart",
		3089	},
		3090	"c/mapinfo" => {
		3091	id => "infobox",
		3092	title => "Map Info",
		3093	reply => undef,
		3094	tooltip => "Information related to the maps",
		3095	},
		3096	"c/party" => {
		3097	id => "party",
		3098	title => "Party",
		3099	reply => "gsay ",
		3100	tooltip => "Messages and chat related to your party",
		3101	},
		3102	"c/death" => {
		3103	id => "death",
		3104	title => "Death",
		3105	reply => undef,
		3106	tooltip => "Reason for and more info about your most recent death",
		3107	},
		3108	"c/say" => $SAY_CHANNEL,
		3109	"c/chat" => $CHAT_CHANNEL,
		3110	);
		3111
		3112	sub cf::client::send_msg {
		3113	my ($self, $channel, $msg, $color, @extra) = @_;
		3114
		3115	$msg = $self->pl->expand_cfpod ($msg)
		3116	unless $color & cf::NDI_VERBATIM;
		3117
		3118	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3119
		3120	# check predefined channels, for the benefit of C
		3121	if ($CHANNEL{$channel}) {
		3122	$channel = $CHANNEL{$channel};
		3123
		3124	$self->ext_msg (channel_info => $channel);
		3125	$channel = $channel->{id};
		3126
		3127	} elsif (ref $channel) {
		3128	# send meta info to client, if not yet sent
		3129	unless (exists $self->{channel}{$channel->{id}}) {
		3130	$self->{channel}{$channel->{id}} = $channel;
		3131	$self->ext_msg (channel_info => $channel);
		3132	}
		3133
		3134	$channel = $channel->{id};
		3135	}
		3136
		3137	return unless @extra || length $msg;
		3138
		3139	# default colour, mask it out
		3140	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3141	if $color & cf::NDI_DEF;
		3142
		3143	my $pkt = "msg "
		3144	. $self->{json_coder}->encode (
		3145	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3146	);
		3147
		3148	$self->send_big_packet ($pkt);
		3149	}
		3150
2024	=item $client->ext_event ($type, %msg)	3151	=item $client->ext_msg ($type, @msg)
2025		3152
2026	Sends an exti event to the client.	3153	Sends an ext event to the client.
2027		3154
2028	=cut	3155	=cut
2029		3156
2030	sub cf::client::ext_event($$%) {	3157	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	3158	my ($self, $type, @msg) = @_;
2032		3159
		3160	if ($self->extcmd == 2) {
		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3162	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	3163	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	3164	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3165	}
		3166	}
		3167
		3168	=item $client->ext_reply ($msgid, @msg)
		3169
		3170	Sends an ext reply to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_reply($$@) {
		3175	my ($self, $id, @msg) = @_;
		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3179	} elsif ($self->extcmd == 1) {
		3180	#TODO: version 1, remove
		3181	unshift @msg, msgtype => "reply", msgid => $id;
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
2035	}	3184	}
2036		3185
2037	=item $success = $client->query ($flags, "text", \&cb)	3186	=item $success = $client->query ($flags, "text", \&cb)
2038		3187
2039	Queues a query to the client, calling the given callback with	3188	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		3191
2043	Queries can fail, so check the return code. Or don't, as queries will become	3192	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	3193	become reliable at some point in the future.
2045		3194
2046	=cut	3195	=cut
2047		3196
2048	sub cf::client::query {	3197	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	3198	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	3206	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		3208
2060	$self->send_packet ($self->{query_queue}[0][0])	3209	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	3210	if @{ $self->{query_queue} } == 1;
		3211
		3212	1
2062	}	3213	}
2063		3214
2064	cf::client->attach (	3215	cf::client->attach (
		3216	on_connect => sub {
		3217	my ($ns) = @_;
		3218
		3219	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3220	},
2065	on_reply => sub {	3221	on_reply => sub {
2066	my ($ns, $msg) = @_;	3222	my ($ns, $msg) = @_;
2067		3223
2068	# this weird shuffling is so that direct followup queries	3224	# this weird shuffling is so that direct followup queries
2069	# get handled first	3225	# get handled first
…		…
2081	} else {	3237	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3238	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3239	}
2084	}	3240	}
2085	},	3241	},
		3242	on_exticmd => sub {
		3243	my ($ns, $buf) = @_;
		3244
		3245	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3246
		3247	if (ref $msg) {
		3248	my ($type, $reply, @payload) =
		3249	"ARRAY" eq ref $msg
		3250	? @$msg
		3251	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3252
		3253	my @reply;
		3254
		3255	if (my $cb = $EXTICMD{$type}) {
		3256	@reply = $cb->($ns, @payload);
		3257	}
		3258
		3259	$ns->ext_reply ($reply, @reply)
		3260	if $reply;
		3261
		3262	} else {
		3263	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3264	}
		3265
		3266	cf::override;
		3267	},
2086	);	3268	);
2087		3269
2088	=item $client->async (\&cb)	3270	=item $client->async (\&cb)
2089		3271
2090	Create a new coroutine, running the specified callback. The coroutine will	3272	Create a new coroutine, running the specified callback. The coroutine will
…		…
2106		3288
2107	$coro	3289	$coro
2108	}	3290	}
2109		3291
2110	cf::client->attach (	3292	cf::client->attach (
2111	on_destroy => sub {	3293	on_client_destroy => sub {
2112	my ($ns) = @_;	3294	my ($ns) = @_;
2113		3295
2114	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3296	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2115	},	3297	},
2116	);	3298	);
…		…
2131	our $safe = new Safe "safe";	3313	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3314	our $safe_hole = new Safe::Hole;
2133		3315
2134	$SIG{FPE} = 'IGNORE';	3316	$SIG{FPE} = 'IGNORE';
2135		3317
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3318	$safe->permit_only (Opcode::opset qw(
		3319	:base_core :base_mem :base_orig :base_math :base_loop
		3320	grepstart grepwhile mapstart mapwhile
		3321	sort time
		3322	));
2137		3323
2138	# here we export the classes and methods available to script code	3324	# here we export the classes and methods available to script code
2139		3325
2140	=pod	3326	=pod
2141		3327
2142	The following functions and methods are available within a safe environment:	3328	The following functions and methods are available within a safe environment:
2143		3329
2144	cf::object contr pay_amount pay_player map	3330	cf::object
		3331	contr pay_amount pay_player map x y force_find force_add destroy
		3332	insert remove name archname title slaying race decrease split
		3333	value
		3334
2145	cf::object::player player	3335	cf::object::player
2146	cf::player peaceful	3336	player
2147	cf::map trigger	3337
		3338	cf::player
		3339	peaceful
		3340
		3341	cf::map
		3342	trigger
2148		3343
2149	=cut	3344	=cut
2150		3345
2151	for (	3346	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3347	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3348	insert remove inv nrof name archname title slaying race
		3349	decrease split destroy change_exp value msg lore send_msg)],
2153	["cf::object::player" => qw(player)],	3350	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3351	["cf::player" => qw(peaceful send_msg)],
2155	["cf::map" => qw(trigger)],	3352	["cf::map" => qw(trigger)],
2156	) {	3353	) {
2157	no strict 'refs';
2158	my ($pkg, @funs) = @$_;	3354	my ($pkg, @funs) = @$_;
2159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3355	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2160	for @funs;	3356	for @funs;
2161	}	3357	}
2162		3358
…		…
2177		3373
2178	my $qcode = $code;	3374	my $qcode = $code;
2179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3375	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2180	$qcode =~ s/\n/\\n/g;	3376	$qcode =~ s/\n/\\n/g;
2181		3377
		3378	%vars = (_dummy => 0) unless %vars;
		3379
		3380	my @res;
2182	local $_;	3381	local $_;
2183	local @safe::cf::_safe_eval_args = values %vars;
2184		3382
2185	my $eval =	3383	my $eval =
2186	"do {\n"	3384	"do {\n"
2187	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3385	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2188	. "#line 0 \"{$qcode}\"\n"	3386	. "#line 0 \"{$qcode}\"\n"
2189	. $code	3387	. $code
2190	. "\n}"	3388	. "\n}"
2191	;	3389	;
2192		3390
		3391	if ($CFG{safe_eval}) {
2193	sub_generation_inc;	3392	sub_generation_inc;
		3393	local @safe::cf::_safe_eval_args = values %vars;
2194	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3394	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2195	sub_generation_inc;	3395	sub_generation_inc;
		3396	} else {
		3397	local @cf::_safe_eval_args = values %vars;
		3398	@res = wantarray ? eval eval : scalar eval $eval;
		3399	}
2196		3400
2197	if ($@) {	3401	if ($@) {
2198	warn "$@";	3402	warn "$@",
2199	warn "while executing safe code '$code'\n";	3403	"while executing safe code '$code'\n",
2200	warn "with arguments " . (join " ", %vars) . "\n";	3404	"with arguments " . (join " ", %vars) . "\n";
2201	}	3405	}
2202		3406
2203	wantarray ? @res : $res[0]	3407	wantarray ? @res : $res[0]
2204	}	3408	}
2205		3409
…		…
2219	=cut	3423	=cut
2220		3424
2221	sub register_script_function {	3425	sub register_script_function {
2222	my ($fun, $cb) = @_;	3426	my ($fun, $cb) = @_;
2223		3427
2224	no strict 'refs';	3428	$fun = "safe::$fun" if $CFG{safe_eval};
2225	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3429	*$fun = $safe_hole->wrap ($cb);
2226	}	3430	}
2227		3431
2228	=back	3432	=back
2229		3433
2230	=cut	3434	=cut
2231
2232	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303		3435
2304	#############################################################################	3436	#############################################################################
2305	# the server's init and main functions	3437	# the server's init and main functions
2306		3438
2307	sub load_facedata {	3439	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3440	my ($path) = @_;
2309		3441
		3442	# HACK to clear player env face cache, we need some signal framework
		3443	# for this (global event?)
		3444	%ext::player_env::MUSIC_FACE_CACHE = ();
		3445
		3446	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3447
2310	warn "loading facedata from $path\n";	3448	trace "loading facedata from $path\n";
2311		3449
2312	my $facedata;	3450	my $facedata = decode_storable load_file $path;
2313	0 < aio_load $path, $facedata
2314	or die "$path: $!";
2315
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;
2318	Coro::cede;
2319		3451
2320	$facedata->{version} == 2	3452	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3453	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3454
		3455	# patch in the exptable
		3456	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3457	$facedata->{resource}{"res/exp_table"} = {
		3458	type => FT_RSRC,
		3459	data => $exp_table,
		3460	hash => (Digest::MD5::md5 $exp_table),
		3461	};
		3462	cf::cede_to_tick;
		3463
2323	{	3464	{
2324	my $faces = $facedata->{faceinfo};	3465	my $faces = $facedata->{faceinfo};
2325		3466
2326	while (my ($face, $info) = each %$faces) {	3467	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3468	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3469
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3470	cf::face::set_visibility $idx, $info->{visibility};
		3471	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3472	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3473	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2331	Coro::cede;	3474	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3475
		3476	cf::cede_to_tick;
2332	}	3477	}
2333		3478
2334	while (my ($face, $info) = each %$faces) {	3479	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3480	next unless $info->{smooth};
		3481
2336	my $idx = cf::face::find $face	3482	my $idx = cf::face::find $face
2337	or next;	3483	or next;
		3484
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3485	if (my $smooth = cf::face::find $info->{smooth}) {
		3486	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3487	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3488	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3489	error "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3490	}
2343	Coro::cede;	3491
		3492	cf::cede_to_tick;
2344	}	3493	}
2345	}	3494	}
2346		3495
2347	{	3496	{
2348	my $anims = $facedata->{animinfo};	3497	my $anims = $facedata->{animinfo};
2349		3498
2350	while (my ($anim, $info) = each %$anims) {	3499	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3500	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3501	cf::cede_to_tick;
2353	}	3502	}
2354		3503
2355	cf::anim::invalidate_all; # d'oh	3504	cf::anim::invalidate_all; # d'oh
2356	}	3505	}
2357		3506
		3507	{
		3508	my $res = $facedata->{resource};
		3509
		3510	while (my ($name, $info) = each %$res) {
		3511	if (defined $info->{type}) {
		3512	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3513
		3514	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3515	cf::face::set_type $idx, $info->{type};
		3516	} else {
		3517	$RESOURCE{$name} = $info; # unused
		3518	}
		3519
		3520	cf::cede_to_tick;
		3521	}
		3522	}
		3523
		3524	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3525
2358	1	3526	1
2359	}	3527	}
2360		3528
		3529	register_exticmd fx_want => sub {
		3530	my ($ns, $want) = @_;
		3531
		3532	while (my ($k, $v) = each %$want) {
		3533	$ns->fx_want ($k, $v);
		3534	}
		3535	};
		3536
		3537	sub load_resource_file($) {
		3538	my $guard = lock_acquire "load_resource_file";
		3539
		3540	my $status = load_resource_file_ $_[0];
		3541	get_slot 0.1, 100;
		3542	cf::arch::commit_load;
		3543
		3544	$status
		3545	}
		3546
		3547	sub reload_regions {
		3548	# HACK to clear player env face cache, we need some signal framework
		3549	# for this (global event?)
		3550	%ext::player_env::MUSIC_FACE_CACHE = ();
		3551
		3552	load_resource_file "$MAPDIR/regions"
		3553	or die "unable to load regions file\n";
		3554
		3555	for (cf::region::list) {
		3556	$_->{match} = qr/$_->{match}/
		3557	if exists $_->{match};
		3558	}
		3559	}
		3560
		3561	sub reload_facedata {
		3562	load_facedata "$DATADIR/facedata"
		3563	or die "unable to load facedata\n";
		3564	}
		3565
		3566	sub reload_archetypes {
		3567	load_resource_file "$DATADIR/archetypes"
		3568	or die "unable to load archetypes\n";
		3569	}
		3570
		3571	sub reload_treasures {
		3572	load_resource_file "$DATADIR/treasures"
		3573	or die "unable to load treasurelists\n";
		3574	}
		3575
		3576	sub reload_sound {
		3577	trace "loading sound config from $DATADIR/sound\n";
		3578
		3579	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3580
		3581	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3582	my $sound = $soundconf->{compat}[$_]
		3583	or next;
		3584
		3585	my $face = cf::face::find "sound/$sound->[1]";
		3586	cf::sound::set $sound->[0] => $face;
		3587	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3588	}
		3589
		3590	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3591	my $face = cf::face::find "sound/$v";
		3592	cf::sound::set $k => $face;
		3593	}
		3594	}
		3595
2361	sub reload_resources {	3596	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3597	trace "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3598
		3599	reload_exp_table;
		3600	reload_materials;
2364	load_facedata	3601	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3602	reload_sound;
2366	}	3603	reload_archetypes;
2367
2368	sub init {
2369	reload_resources;	3604	reload_regions;
2370	}	3605	reload_treasures;
2371		3606
2372	sub cfg_load {	3607	trace "finished reloading resource files\n";
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3608	}
2374	or return;
2375		3609
2376	local $/;	3610	sub reload_config {
2377	*CFG = YAML::Syck::Load <$fh>;	3611	trace "reloading config file...\n";
2378		3612
		3613	my $config = load_file "$CONFDIR/config";
		3614	utf8::decode $config;
		3615	*CFG = decode_yaml $config;
		3616
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3617	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2380		3618
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3619	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3620	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2383		3621
2384	if (exists $CFG{mlockall}) {	3622	if (exists $CFG{mlockall}) {
…		…
2388	};	3626	};
2389	warn $@ if $@;	3627	warn $@ if $@;
2390	}	3628	}
2391	}	3629	}
2392		3630
		3631	sub pidfile() {
		3632	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3633	or die "$PIDFILE: $!";
		3634	flock $fh, &Fcntl::LOCK_EX
		3635	or die "$PIDFILE: flock: $!";
		3636	$fh
		3637	}
		3638
		3639	# make sure only one server instance is running at any one time
		3640	sub atomic {
		3641	my $fh = pidfile;
		3642
		3643	my $pid = <$fh>;
		3644	kill 9, $pid if $pid > 0;
		3645
		3646	seek $fh, 0, 0;
		3647	print $fh $$;
		3648	}
		3649
		3650	sub main_loop {
		3651	trace "EV::loop starting\n";
		3652	if (1) {
		3653	EV::loop;
		3654	}
		3655	trace "EV::loop returned\n";
		3656	goto &main_loop unless $REALLY_UNLOOP;
		3657	}
		3658
2393	sub main {	3659	sub main {
		3660	cf::init_globals; # initialise logging
		3661
		3662	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3663	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3664	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3665	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3666
		3667	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3668
2394	# we must not ever block the main coroutine	3669	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3670	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3671	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3672	(async {
2398	Event::one_event;	3673	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3674	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3675	})->prio (Coro::PRIO_MAX);
2400	};	3676	};
2401		3677
2402	cfg_load;	3678	evthread_start IO::AIO::poll_fileno;
		3679
		3680	cf::sync_job {
		3681	cf::incloader::init ();
		3682
		3683	cf::init_anim;
		3684	cf::init_attackmess;
		3685	cf::init_dynamic;
		3686
		3687	cf::load_settings;
		3688
		3689	reload_resources;
		3690	reload_config;
2403	db_init;	3691	db_init;
		3692
		3693	cf::init_uuid;
		3694	cf::init_signals;
		3695	cf::init_skills;
		3696
		3697	cf::init_beforeplay;
		3698
		3699	atomic;
		3700
2404	load_extensions;	3701	load_extensions;
2405		3702
2406	$TICK_WATCHER->start;	3703	utime time, time, $RUNTIMEFILE;
2407	Event::loop;	3704
		3705	# no (long-running) fork's whatsoever before this point(!)
		3706	use POSIX ();
		3707	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3708
		3709	cf::_post_init 0;
		3710	};
		3711
		3712	cf::object::thawer::errors_are_fatal 0;
		3713	info "parse errors in files are no longer fatal from this point on.\n";
		3714
		3715	my $free_main; $free_main = EV::idle sub {
		3716	undef $free_main;
		3717	undef &main; # free gobs of memory :)
		3718	};
		3719
		3720	goto &main_loop;
2408	}	3721	}
2409		3722
2410	#############################################################################	3723	#############################################################################
2411	# initialisation and cleanup	3724	# initialisation and cleanup
2412		3725
2413	# install some emergency cleanup handlers	3726	# install some emergency cleanup handlers
2414	BEGIN {	3727	BEGIN {
		3728	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3729	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3730	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3731	cf::cleanup "SIG$signal";
2423	},
2424	);	3732	};
		3733	}
		3734	}
		3735
		3736	sub write_runtime_sync {
		3737	my $t0 = AE::time;
		3738
		3739	# first touch the runtime file to show we are still running:
		3740	# the fsync below can take a very very long time.
		3741
		3742	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3743
		3744	my $guard = cf::lock_acquire "write_runtime";
		3745
		3746	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3747	or return;
		3748
		3749	my $value = $cf::RUNTIME + 90 + 10;
		3750	# 10 is the runtime save interval, for a monotonic clock
		3751	# 60 allows for the watchdog to kill the server.
		3752
		3753	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3754	and return;
		3755
		3756	# always fsync - this file is important
		3757	aio_fsync $fh
		3758	and return;
		3759
		3760	# touch it again to show we are up-to-date
		3761	aio_utime $fh, undef, undef;
		3762
		3763	close $fh
		3764	or return;
		3765
		3766	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3767	and return;
		3768
		3769	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3770
2425	}	3771	1
		3772	}
		3773
		3774	our $uuid_lock;
		3775	our $uuid_skip;
		3776
		3777	sub write_uuid_sync($) {
		3778	$uuid_skip ||= $_[0];
		3779
		3780	return if $uuid_lock;
		3781	local $uuid_lock = 1;
		3782
		3783	my $uuid = "$LOCALDIR/uuid";
		3784
		3785	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3786	or return;
		3787
		3788	my $value = uuid_seq uuid_cur;
		3789
		3790	unless ($value) {
		3791	info "cowardly refusing to write zero uuid value!\n";
		3792	return;
		3793	}
		3794
		3795	my $value = uuid_str $value + $uuid_skip;
		3796	$uuid_skip = 0;
		3797
		3798	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3799	and return;
		3800
		3801	# always fsync - this file is important
		3802	aio_fsync $fh
		3803	and return;
		3804
		3805	close $fh
		3806	or return;
		3807
		3808	aio_rename "$uuid~", $uuid
		3809	and return;
		3810
		3811	trace "uuid file written ($value).\n";
		3812
		3813	1
		3814
		3815	}
		3816
		3817	sub write_uuid($$) {
		3818	my ($skip, $sync) = @_;
		3819
		3820	$sync ? write_uuid_sync $skip
		3821	: async { write_uuid_sync $skip };
2426	}	3822	}
2427		3823
2428	sub emergency_save() {	3824	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3825	my $freeze_guard = cf::freeze_mainloop;
2430		3826
2431	warn "enter emergency perl save\n";	3827	info "emergency_perl_save: enter\n";
		3828
		3829	# this is a trade-off: we want to be very quick here, so
		3830	# save all maps without fsync, and later call a global sync
		3831	# (which in turn might be very very slow)
		3832	local $USE_FSYNC = 0;
2432		3833
2433	cf::sync_job {	3834	cf::sync_job {
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
2434	# use a peculiar iteration method to avoid tripping on perl	3837	# use a peculiar iteration method to avoid tripping on perl
2435	# refcount bugs in for. also avoids problems with players	3838	# refcount bugs in for. also avoids problems with players
2436	# and maps saved/destroyed asynchronously.	3839	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3840	info "emergency_perl_save: begin player save\n";
2438	for my $login (keys %cf::PLAYER) {	3841	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3842	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3843	$pl->valid or next;
		3844	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3845	$pl->save;
2442	}	3846	}
2443	warn "end emergency player save\n";	3847	info "emergency_perl_save: end player save\n";
2444		3848
2445	warn "begin emergency map save\n";	3849	cf::write_runtime_sync; # external watchdog should not bark
		3850
		3851	info "emergency_perl_save: begin map save\n";
2446	for my $path (keys %cf::MAP) {	3852	for my $path (keys %cf::MAP) {
2447	my $map = $cf::MAP{$path} or next;	3853	my $map = $cf::MAP{$path} or next;
2448	$map->valid or next;	3854	$map->valid or next;
2449	$map->save;	3855	$map->save;
2450	}	3856	}
2451	warn "end emergency map save\n";	3857	info "emergency_perl_save: end map save\n";
2452		3858
2453	warn "begin emergency database checkpoint\n";	3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
		3861	info "emergency_perl_save: begin database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3862	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3863	info "emergency_perl_save: end database checkpoint\n";
		3864
		3865	info "emergency_perl_save: begin write uuid\n";
		3866	write_uuid_sync 1;
		3867	info "emergency_perl_save: end write uuid\n";
		3868
		3869	cf::write_runtime_sync; # external watchdog should not bark
		3870
		3871	trace "emergency_perl_save: syncing database to disk";
		3872	BDB::db_env_txn_checkpoint $DB_ENV;
		3873
		3874	info "emergency_perl_save: starting sync\n";
		3875	IO::AIO::aio_sync sub {
		3876	info "emergency_perl_save: finished sync\n";
		3877	};
		3878
		3879	cf::write_runtime_sync; # external watchdog should not bark
		3880
		3881	trace "emergency_perl_save: flushing outstanding aio requests";
		3882	while (IO::AIO::nreqs || BDB::nreqs) {
		3883	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3884	}
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
2456	};	3887	};
2457		3888
2458	warn "leave emergency perl save\n";	3889	info "emergency_perl_save: leave\n";
2459	}	3890	}
2460		3891
2461	sub post_cleanup {	3892	sub post_cleanup {
2462	my ($make_core) = @_;	3893	my ($make_core) = @_;
2463		3894
		3895	IO::AIO::flush;
		3896
2464	warn Carp::longmess "post_cleanup backtrace"	3897	error Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3898	if $make_core;
2466	}
2467		3899
		3900	my $fh = pidfile;
		3901	unlink $PIDFILE if <$fh> == $$;
		3902	}
		3903
		3904	# a safer delete_package, copied from Symbol
		3905	sub clear_package($) {
		3906	my $pkg = shift;
		3907
		3908	# expand to full symbol table name if needed
		3909	unless ($pkg =~ /^main::.*::$/) {
		3910	$pkg = "main$pkg" if $pkg =~ /^::/;
		3911	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3912	$pkg .= '::' unless $pkg =~ /::$/;
		3913	}
		3914
		3915	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3916	my $stem_symtab = *{$stem}{HASH};
		3917
		3918	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3919	or return;
		3920
		3921	# clear all symbols
		3922	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3923	for my $name (keys %$leaf_symtab) {
		3924	_gv_clear *{"$pkg$name"};
		3925	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3926	}
		3927	}
		3928
2468	sub reload() {	3929	sub do_reload_perl() {
2469	# can/must only be called in main	3930	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3931	unless (in_main) {
2471	warn "can only reload from main coroutine";	3932	error "can only reload from main coroutine";
2472	return;	3933	return;
2473	}	3934	}
2474		3935
2475	warn "reloading...";	3936	return if $RELOAD++;
2476		3937
2477	warn "entering sync_job";	3938	my $t1 = AE::time;
2478		3939
		3940	while ($RELOAD) {
		3941	cf::get_slot 0.1, -1, "reload_perl";
		3942	info "perl_reload: reloading...";
		3943
		3944	trace "perl_reload: entering sync_job";
		3945
2479	cf::sync_job {	3946	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark
2481	cf::emergency_save;	3947	#cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark
2483		3948
2484	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;
2486
2487	# if anything goes wrong in here, we should simply crash as we already saved
2488
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";	3949	trace "perl_reload: cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;	3950	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();	3951	%EXT_CORO = ();
2508		3952
2509	warn "removing commands";	3953	trace "perl_reload: removing commands";
2510	%COMMAND = ();	3954	%COMMAND = ();
2511		3955
2512	warn "removing ext commands";	3956	trace "perl_reload: removing ext/exti commands";
2513	%EXTCMD = ();	3957	%EXTCMD = ();
		3958	%EXTICMD = ();
2514		3959
2515	warn "unloading/nuking all extensions";	3960	trace "perl_reload: unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3961	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3962	trace "... unloading $pkg";
2518		3963
2519	if (my $cb = $pkg->can ("unload")) {	3964	if (my $cb = $pkg->can ("unload")) {
2520	eval {	3965	eval {
2521	$cb->($pkg);	3966	$cb->($pkg);
2522	1	3967	1
2523	} or warn "$pkg unloaded, but with errors: $@";	3968	} or error "$pkg unloaded, but with errors: $@";
		3969	}
		3970
		3971	trace "... clearing $pkg";
		3972	clear_package $pkg;
2524	}	3973	}
2525		3974
2526	warn "... nuking $pkg";
2527	Symbol::delete_package $pkg;
2528	}
2529
2530	warn "unloading all perl modules loaded from $LIBDIR";	3975	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2531	while (my ($k, $v) = each %INC) {	3976	while (my ($k, $v) = each %INC) {
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3977	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3978
2534	warn "... unloading $k";	3979	trace "... unloading $k";
2535	delete $INC{$k};	3980	delete $INC{$k};
2536		3981
2537	$k =~ s/\.pm$//;	3982	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;	3983	$k =~ s/\//::/g;
2539		3984
2540	if (my $cb = $k->can ("unload_module")) {	3985	if (my $cb = $k->can ("unload_module")) {
2541	$cb->();	3986	$cb->();
		3987	}
		3988
		3989	clear_package $k;
2542	}	3990	}
2543		3991
2544	Symbol::delete_package $k;
2545	}
2546
2547	warn "getting rid of safe::, as good as possible";	3992	trace "perl_reload: getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3993	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3994	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3995
2551	warn "unloading cf.pm \"a bit\"";	3996	trace "perl_reload: unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3997	delete $INC{"cf.pm"};
		3998	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2553		3999
2554	# don't, removes xs symbols, too,	4000	# don't, removes xs symbols, too,
2555	# and global variables created in xs	4001	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	4002	#clear_package __PACKAGE__;
2557		4003
2558	warn "unload completed, starting to reload now";	4004	info "perl_reload: unload completed, starting to reload now";
2559		4005
2560	warn "reloading cf.pm";	4006	trace "perl_reload: reloading cf.pm";
2561	require cf;	4007	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4008	cf::_connect_to_perl_1;
2563		4009
2564	warn "loading config and database again";	4010	trace "perl_reload: loading config and database again";
2565	cf::cfg_load;	4011	cf::reload_config;
2566		4012
2567	warn "loading extensions";	4013	trace "perl_reload: loading extensions";
2568	cf::load_extensions;	4014	cf::load_extensions;
2569		4015
		4016	if ($REATTACH_ON_RELOAD) {
2570	warn "reattaching attachments to objects/players";	4017	trace "perl_reload: reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	4018	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	4019	trace "perl_reload: reattaching attachments to maps";
2573	reattach $_ for values %MAP;	4020	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	4021	trace "perl_reload: reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	4022	reattach $_ for values %PLAYER;
		4023	}
2576		4024
2577	warn "loading reloadable resources";	4025	cf::_post_init 1;
2578	reload_resources;
2579		4026
2580	warn "leaving sync_job";	4027	trace "perl_reload: leaving sync_job";
2581		4028
2582	1	4029	1
2583	} or do {	4030	} or do {
2584	warn $@;	4031	error $@;
2585	warn "error while reloading, exiting.";	4032	cf::cleanup "perl_reload: error, exiting.";
2586	exit 1;	4033	};
		4034
		4035	--$RELOAD;
		4036	}
		4037
		4038	$t1 = AE::time - $t1;
		4039	info "perl_reload: completed in ${t1}s\n";
		4040	};
		4041
		4042	our $RELOAD_WATCHER; # used only during reload
		4043
		4044	sub reload_perl() {
		4045	# doing reload synchronously and two reloads happen back-to-back,
		4046	# coro crashes during coro_state_free->destroy here.
		4047
		4048	$RELOAD_WATCHER ||= cf::async {
		4049	Coro::AIO::aio_wait cache_extensions;
		4050
		4051	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4052	do_reload_perl;
		4053	undef $RELOAD_WATCHER;
		4054	};
2587	};	4055	};
2588		4056	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		4057
2594	register_command "reload" => sub {	4058	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	4059	my ($who, $arg) = @_;
2596		4060
2597	if ($who->flag (FLAG_WIZ)) {	4061	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	4062	$who->message ("reloading server.");
2599		4063	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	4064	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	4065	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	4066	};
2612	}	4067	}
2613	};	4068	};
2614		4069
2615	unshift @INC, $LIBDIR;	4070	#############################################################################
2616		4071
2617	my $bug_warning = 0;	4072	my $bug_warning = 0;
2618		4073
2619	$TICK_WATCHER = Event->timer (	4074	our @WAIT_FOR_TICK;
2620	reentrant => 0,	4075	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	4076
2622	prio => 0,	4077	sub wait_for_tick() {
2623	at => $NEXT_TICK || $TICK,	4078	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	4079
2625	cb => sub {	4080	my $signal = new Coro::Signal;
		4081	push @WAIT_FOR_TICK, $signal;
		4082	$signal->wait;
		4083	}
		4084
		4085	sub wait_for_tick_begin() {
		4086	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4087
		4088	my $signal = new Coro::Signal;
		4089	push @WAIT_FOR_TICK_BEGIN, $signal;
		4090	$signal->wait;
		4091	}
		4092
		4093	sub tick {
2626	if ($Coro::current != $Coro::main) {	4094	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4095	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	4096	unless ++$bug_warning > 10;
2629	return;	4097	return;
2630	}	4098	}
2631		4099
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	4100	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		4101
		4102	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4103
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4104	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	4105	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	4106	Coro::async_pool {
		4107	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	4108	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	4109	or error "ERROR: unable to write runtime file: $!";
2643	};
2644	}	4110	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	4111	}
2658	);	4112
		4113	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4114	$sig->send;
		4115	}
		4116	while (my $sig = shift @WAIT_FOR_TICK) {
		4117	$sig->send;
		4118	}
		4119
		4120	$LOAD = ($NOW - $TICK_START) / $TICK;
		4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4122
		4123	if (0) {
		4124	if ($NEXT_TICK) {
		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
		4129	}
		4130	}
2659		4131
2660	{	4132	{
2661	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	4134
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
2671		4136	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	4137	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		4138
2687	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		4146
2690	cf::sync_job {	4147	cf::sync_job {
2691	eval {	4148	eval {
2692	BDB::db_env_open	4149	BDB::db_env_open
2693	$DB_ENV,	4150	$DB_ENV,
2694	$BDB_ENV_DIR,	4151	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	4154	0666;
2698		4155
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	4157	};
2704		4158
2705	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	4160	};
2707	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
2708	}	4172	}
2709		4173
2710	{	4174	{
		4175	# configure IO::AIO
		4176
2711	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	4180	}
		4181
		4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
		4184
		4185	sub _log_backtrace {
		4186	my ($msg, @addr) = @_;
		4187
		4188	$msg =~ s/\n$//;
		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4193	# limit the # of concurrent backtraces
		4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
		4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
		4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
		4201	my @bt = fork_call {
		4202	@addr = map { sprintf "%x", $_ } @addr;
		4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4205	or die "addr2line: $!";
		4206
		4207	my @funcs;
		4208	my @res = <$fh>;
		4209	chomp for @res;
		4210	while (@res) {
		4211	my ($func, $line) = splice @res, 0, 2, ();
		4212	push @funcs, "[$func] $line";
		4213	}
		4214
		4215	@funcs
		4216	};
		4217
		4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4220	LOG llevInfo, "[ABT] $_\n" for @bt;
		4221	--$_log_backtrace;
		4222	};
		4223	} else {
		4224	LOG llevInfo, "[ABT] $msg\n";
		4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4226	}
		4227	}
		4228
		4229	# load additional modules
		4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
2724		4232
2725	END { cf::emergency_save }	4233	END { cf::emergency_save }
2726		4234
2727	1	4235	1
2728		4236

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