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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
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 IO::AIO 2.32 ();
27	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
30		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
31	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";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is	75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		78
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		80
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		82
42	our %COMMAND = ();	83	our %COMMAND = ();
43	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
44		85
45	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
49		91
50	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	93	our @EVENT;
52	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
53		96
54	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	98
56	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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	123	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
61		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
64		132
65	our %CFG;	133	our %CFG;
66		134
67	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
69		138
70	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		142
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $REALLY_UNLOOP; # never set to true, please :)
		155
82	binmode STDOUT;	156	binmode STDOUT;
83	binmode STDERR;	157	binmode STDERR;
84		158
85	# read virtual server time, if available	159	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
90	}	164	}
91		165
92	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	167
94	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		170
99	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
100		172
101	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::"} };
102		189
103	#############################################################################	190	#############################################################################
104		191
105	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
106		193
…		…
113	=item $cf::RUNTIME	200	=item $cf::RUNTIME
114		201
115	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
116	every server tick.	203	every server tick.
117		204
118	=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
119		208
120	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		213
123	=item $cf::NOW	214	=item $cf::NOW
124		215
125	The time of the last (current) server tick.	216	The time of the last (current) server tick.
126		217
127	=item $cf::TICK	218	=item $cf::TICK
128		219
129	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	232	=item %cf::CFG
132		233
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	235	from wherever your confdir points to.
135		236
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		238
138	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
139	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
140	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.
141	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.
142		259
143	=back	260	=back
144		261
145	=cut	262	=cut
146		263
147	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
148	*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 {
149	my $msg = join "", @_;	271	my $msg = join "", @_;
150	utf8::encode $msg;
151		272
152	$msg .= "\n"	273	$msg .= "\n"
153	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
154		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
155	LOG llevError, $msg;	278	LOG llevWarn, $msg;
156	};	279	};
157	}	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	};
158		294
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		302
166	# 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
167	# within the Safe compartment.	304	# within the Safe compartment.
168	for my $pkg (qw(	305	for my $pkg (qw(
169	cf::global cf::attachable	306	cf::global cf::attachable
170	cf::object cf::object::player	307	cf::object cf::object::player
171	cf::client cf::player	308	cf::client cf::player
172	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
173	cf::map cf::party cf::region	311	cf::party cf::region
174	)) {	312	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	314	}
178		315
179	$Event::DIED = sub {	316	$EV::DIED = sub {
180	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
181	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
182		326
183	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
184		328
185	=over 4	329	=over 4
186		330
…		…
205	$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;
206	$d	350	$d
207	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
208	}	352	}
209		353
210	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
211		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
212	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
213		369
214	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
215		371
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
224		373
225	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
226		375
227	=cut	376	=cut
228		377
229	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
231	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
232	}	443	}
233		444
234	=item cf::lock_wait $string	445	=item cf::lock_wait $string
235		446
236	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
237		448
238	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
239		450
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
243	returned.	454	returned.
244		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
245	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
246	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
247		461
248	=cut	462	=item $locked = cf::lock_active $string
249		463
250	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;
251		469
252	sub lock_wait($) {	470	sub lock_wait($) {
253	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	472	}
261		473
262	sub lock_acquire($) {	474	sub lock_acquire($) {
263	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
264		477
265	# wait, to be sure we are not locked	478	sub lock_active($) {
266	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	480	}
275		481
276	sub freeze_mainloop {	482	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
278		484
279	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
280	$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	}
281	};	556	}
282	$TICK_WATCHER->stop;	557	};
283	$guard	558
		559	sub get_slot($;$$) {
		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;
284	}	572	}
285		573
286	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
287		575
288	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		581
294	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
295		583
296	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
297		585
298	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
299	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
300	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.
301		590
302	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
303	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
304	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
305	fast or be very important.	594	fast or be very important.
…		…
307	=cut	596	=cut
308		597
309	sub sync_job(&) {	598	sub sync_job(&) {
310	my ($job) = @_;	599	my ($job) = @_;
311		600
312	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
313	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
315		606
316	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	608
318	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
319		610
320	my $busy = 1;	611	my $busy = 1;
321	my @res;	612	my @res;
322		613
323	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	616	@res = eval { $job->() };
325	warn $@ if $@;	617	error $@ if $@;
326	undef $busy;	618	undef $busy;
327	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
328		620
329	while ($busy) {	621	while ($busy) {
330	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
331	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
332		632
333	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
334	} else {	634	} else {
335	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
336		636
…		…
356	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
357		657
358	$coro	658	$coro
359	}	659	}
360		660
361	sub write_runtime {	661	=item fork_call { }, @args
362	my $guard = cf::lock_acquire "write_runtime";
363		662
364	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.
365		667
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
367	or return;
368		669
369	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
370	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
371	# 60 allows for the watchdog to kill the server.	672	}
372		673
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
374	and return;	675	my ($cb, @args) = @_;
375		676
376	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
377	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
378	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
379		680
380	close $fh	681	my @res = Coro::Util::fork_eval {
381	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
382		685
383	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
384	and return;	687	}
385		688
		689	sub objinfo {
386	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
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];
967		1612
968	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
969	}	1614	}
970		1615
971	sub find_active($) {	1616	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
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];
987		1632
988	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
989		1634
990	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
994	}	1652	}
995	}	1653	}
996	}	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	);
997		1668
998	sub save($) {	1669	sub save($) {
999	my ($pl) = @_;	1670	my ($pl) = @_;
1000		1671
1001	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1007		1678
1008	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1010		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
1011	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1012	Coro::cede;	1688	cf::cede_to_tick;
1013	}	1689	}
1014		1690
1015	sub new($) {	1691	sub new($) {
1016	my ($login) = @_;	1692	my ($login) = @_;
1017		1693
…		…
1023	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1024		1700
1025	$self	1701	$self
1026	}	1702	}
1027		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
1028	=item $pl->quit_character	1714	=item $pl->quit_character
1029		1715
1030	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
1031	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1032		1718
…		…
1036	my ($pl) = @_;	1722	my ($pl) = @_;
1037		1723
1038	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1039		1725
1040	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1041	$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
1042		1728
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1046	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1047		1737
1048	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1080		1770
1081	=cut	1771	=cut
1082		1772
1083	sub list_logins {	1773	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1775	or return [];
1086		1776
1087	my @logins;	1777	my @logins;
1088		1778
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1093		1789
1094	utf8::decode $login;	1790	utf8::decode $login;
1095	push @logins, $login;	1791	push @logins, $login;
1096	}	1792	}
1097		1793
1098	\@logins	1794	\@logins
1099	}	1795	}
1100		1796
1101	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1102		1800
1103	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1104	player. May block.	1802	player. May block.
1105		1803
1106	=cut	1804	=cut
…		…
1124	}	1822	}
1125		1823
1126	\@paths	1824	\@paths
1127	}	1825	}
1128		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1130		1832
1131	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1132		1834
1133	=cut	1835	=cut
1134		1836
1135	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1137		1839
1138	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1841	}
1142		1842
1143	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1144		1885
1145	=back	1886	=back
1146
1147		1887
1148	=head3 cf::map	1888	=head3 cf::map
1149		1889
1150	=over 4	1890	=over 4
1151		1891
…		…
1163	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1165		1905
1166	sub generate_random_map {	1906	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1168	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1169	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1180	(cf::region::find $rmp->{region}), $rmp->{custom}
1181	)
1182	}	1912	}
1183		1913
1184	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1185		1915
1186	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
…		…
1191		1921
1192	sub register {	1922	sub register {
1193	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1194	my $pkg = caller;	1924	my $pkg = caller;
1195		1925
1196	no strict;
1197	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1198		1927
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1929	}
1201		1930
1202	# also paths starting with '/'	1931	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1933
1205	sub thawer_merge {	1934	sub thawer_merge {
1206	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1207		1936
1208	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1209	local $self->{path};	1938	local $self->{path};
1210	local $self->{load_path};	1939	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1940
1214	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1215	}	1942	}
1216		1943
1217	sub normalise {	1944	sub normalise {
1218	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1219		1946
1220	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1221		1948
1222	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1223		1950
1224	# map plan:	1951	# map plan:
1225	#	1952	#
…		…
1240	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1241	$path = "$base/$path";	1968	$path = "$base/$path";
1242	}	1969	}
1243		1970
1244	for ($path) {	1971	for ($path) {
1245	redo if s{//}{/};
1246	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1247	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1248	}	1974	}
1249		1975
1250	$path	1976	$path
…		…
1264	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1265	return $self;	1991	return $self;
1266	}	1992	}
1267	}	1993	}
1268		1994
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1270	()	1996	()
1271	}	1997	}
1272		1998
		1999	# may re-bless or do other evil things
1273	sub init {	2000	sub init {
1274	my ($self) = @_;	2001	my ($self) = @_;
1275		2002
1276	$self	2003	$self
1277	}	2004	}
…		…
1289		2016
1290	# the original (read-only) location	2017	# the original (read-only) location
1291	sub load_path {	2018	sub load_path {
1292	my ($self) = @_;	2019	my ($self) = @_;
1293		2020
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1295	}	2022	}
1296		2023
1297	# the temporary/swap location	2024	# the temporary/swap location
1298	sub save_path {	2025	sub save_path {
1299	my ($self) = @_;	2026	my ($self) = @_;
1300		2027
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1303	}	2030	}
1304		2031
1305	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1306	sub uniq_path {	2033	sub uniq_path {
1307	my ($self) = @_;	2034	my ($self) = @_;
1308		2035
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1311	}	2038	}
1312		2039
1313	# and all this just because we cannot iterate over	2040	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	2041	my ($self) = @_;
1317		2042
1318	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1320	}	2046	}
1321		2047
1322	sub unlink_save {	2048	sub unlink_save {
1323	my ($self) = @_;	2049	my ($self) = @_;
1324		2050
…		…
1329		2055
1330	sub load_header_from($) {	2056	sub load_header_from($) {
1331	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1332		2058
1333	utf8::encode $path;	2059	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		2068
1340	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1341		2070
1342	1	2071	1
1343	}	2072	}
…		…
1382	$self->load_header_orig	2111	$self->load_header_orig
1383	or return;	2112	or return;
1384	$self->prepare_orig;	2113	$self->prepare_orig;
1385	}	2114	}
1386		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 $self->default_region;
		2121
1387	1	2122	1
1388	}	2123	}
1389		2124
1390	sub find;	2125	sub find;
1391	sub find {	2126	sub find {
1392	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1393		2128
		2129	cf::cede_to_tick;
		2130
1394	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1395		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2135
1398	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1401	or return;	2138	or return;
1402		2139
1403	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1404		2141
1405	$map->load_header	2142	$map->load_header
1406	or return;	2143	or return;
1407		2144
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1411	$map->reset;	2150	$map->reset;
1412	undef $guard;
1413	return find $path;	2151	return find $path;
1414	}	2152	}
1415		2153
1416	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1417	}	2155	}
1418	}	2156	}
1419		2157
1420	sub pre_load { }	2158	sub pre_load { }
1421	sub post_load { }	2159	#sub post_load { } # XS
1422		2160
1423	sub load {	2161	sub load {
1424	my ($self) = @_;	2162	my ($self) = @_;
1425		2163
1426	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1427		2165
1428	my $path = $self->{path};	2166	my $path = $self->{path};
		2167
		2168	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1430		2170
		2171	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2173
1433	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1434		2175
1435	$self->alloc;	2176	$self->alloc;
1436		2177
1437	$self->pre_load;	2178	$self->pre_load;
		2179	cf::cede_to_tick;
1438		2180
1439	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1440	or return;	2185	or return;
1441		2186
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1443	if delete $self->{load_original};	2188	if delete $self->{load_original};
1444		2189
1445	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2191	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2194	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1450	}	2199	}
1451	}
1452		2200
1453	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
1454		2203
		2204	cf::cede_to_tick;
1455	# now do the right thing for maps	2205	# now do the right thing for maps
1456	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2208	unless $self->difficulty;
1466	Coro::cede;	2209	cf::cede_to_tick;
		2210
		2211	unless ($self->{deny_activate}) {
		2212	$self->decay_objects;
		2213	$self->fix_auto_apply;
		2214	$self->update_buttons;
		2215	cf::cede_to_tick;
1467	$self->activate;	2216	$self->activate;
		2217	}
		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
		2222	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2223	}
1469		2224
1470	$self->post_load;	2225	$self->post_load;
1471		2226
1472	$self->in_memory (cf::MAP_IN_MEMORY);	2227	1
1473	}	2228	}
1474		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2233	sub customise_for {
1476	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1477		2235
1478	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2237	if $self->per_player;
1480		2238
		2239	# return find "?party/" . $ob->name . "/" . $self->{path}
		2240	# if $self->per_party;
		2241
1481	$self	2242	$self
1482	}	2243	}
1483		2244
1484	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2246	sub load_neighbours {
1486	my ($map) = @_;	2247	my ($map) = @_;
1487		2248
1488	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1489		2250
1490	for (0 .. 3) {	2251	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1492	or next;	2253	or next;
1493	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1494	or next;	2255	or next;
1495	$neigh->load;	2256	$neigh->load;
1496		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2262	}
1500		2263
1501	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1503	or next;	2267	or next;
1504	$neigh->load;	2268	$neigh->load;
1505	}	2269	}
1506	}	2270	}
1507		2271
1508	sub find_sync {	2272	sub find_sync {
1509	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1510		2274
1511	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1512	}	2279	}
1513		2280
1514	sub do_load_sync {	2281	sub do_load_sync {
1515	my ($map) = @_;	2282	my ($map) = @_;
1516		2283
1517	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1518	}	2288	}
1519		2289
1520	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1522		2292
1523	sub find_async {	2293	sub find_async {
1524	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1525		2295
1526	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1527		2297
1528	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2300	}
1531		2301
1532	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1533	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1534	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2309	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2310	$map->load if $v;
		2311	}
1539		2312
1540	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1541	}	2314	}
1542	}	2315	}
1543	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1544	};	2317	};
1545	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1546		2319
1547	()	2320	()
1548	}	2321	}
1549		2322
		2323	# common code, used by both ->save and ->swapout
1550	sub save {	2324	sub _save {
1551	my ($self) = @_;	2325	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2326
1555	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1556		2328
1557	return unless $self->dirty;	2329	return unless $self->dirty;
1558		2330
…		…
1564	return if $self->{deny_save};	2336	return if $self->{deny_save};
1565		2337
1566	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1567		2339
1568	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1570	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1571		2346
1572	if ($uniq) {	2347	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2350	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2352	}
1578	}	2353	}
1579		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1580	sub swap_out {	2363	sub swap_out {
1581	my ($self) = @_;	2364	my ($self) = @_;
1582		2365
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1588	return if $self->players;	2370	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1592	$self->clear;	2381	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2382	}
1595		2383
1596	sub reset_at {	2384	sub reset_at {
1597	my ($self) = @_;	2385	my ($self) = @_;
1598		2386
1599	# TODO: safety, remove and allow resettable per-player maps	2387	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2388	return 1e99 if $self->{deny_reset};
1602		2389
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2392
…		…
1616	my ($self) = @_;	2403	my ($self) = @_;
1617		2404
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2406
1620	return if $self->players;	2407	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2408
1623	warn "resetting map ", $self->path;#d#	2409	cf::trace "resetting map ", $self->path, "\n";
1624		2410
1625	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
1626		2412
1627	# need to save uniques path	2413	# need to save uniques path
1628	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2418	if $uniq;
1633	}	2419	}
1634		2420
1635	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1636		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2425	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2426
1641	$self->unlink_save;	2427	$self->unlink_save;
1642	$self->destroy;	2428	$self->destroy;
1643	}	2429	}
1644		2430
1645	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1646		2432
1647	sub nuke {	2433	sub nuke {
1648	my ($self) = @_;	2434	my ($self) = @_;
1649		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1650	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1651		2440
1652	$self->unlink_save;	2441	$self->unlink_save;
1653		2442
1654	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2448
1660	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
1661		2451
1662	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
		2453	}
		2454
		2455	=item $maps = cf::map::tmp_maps
		2456
		2457	Returns an arrayref with all map paths of currently instantiated and saved
		2458	maps. May block.
		2459
		2460	=cut
		2461
		2462	sub tmp_maps() {
		2463	[
		2464	map {
		2465	utf8::decode $_;
		2466	/\.map$/
		2467	? normalise $_
		2468	: ()
		2469	} @{ aio_readdir $TMPDIR or [] }
		2470	]
		2471	}
		2472
		2473	=item $maps = cf::map::random_maps
		2474
		2475	Returns an arrayref with all map paths of currently instantiated and saved
		2476	random maps. May block.
		2477
		2478	=cut
		2479
		2480	sub random_maps() {
		2481	[
		2482	map {
		2483	utf8::decode $_;
		2484	/\.map$/
		2485	? normalise "?random/$_"
		2486	: ()
		2487	} @{ aio_readdir $RANDOMDIR or [] }
		2488	]
1663	}	2489	}
1664		2490
1665	=item cf::map::unique_maps	2491	=item cf::map::unique_maps
1666		2492
1667	Returns an arrayref of paths of all shared maps that have	2493	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2494	instantiated unique items. May block.
1669		2495
1670	=cut	2496	=cut
1671		2497
1672	sub unique_maps() {	2498	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2499	[
1674	or return;	2500	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2501	utf8::decode $_;
1680	next if /\.pst$/;	2502	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2504	? ()
1683	push @paths, cf::map::normalise $_;	2505	: normalise $_
		2506	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2507	]
1685
1686	\@paths
1687	}	2508	}
1688		2509
1689	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
1690		2541
1691	=back	2542	=back
1692		2543
1693	=head3 cf::object	2544	=head3 cf::object
1694		2545
…		…
1698		2549
1699	=over 4	2550	=over 4
1700		2551
1701	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
1702		2553
1703	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
1704		2556
1705	=cut	2557	=cut
1706		2558
1707	sub inv_recursive_;	2559	sub inv_recursive_;
1708	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
1711		2563
1712	sub inv_recursive {	2564	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
1714	}	2566	}
1715		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
1716	package cf;	2596	package cf;
1717		2597
1718	=back	2598	=back
1719		2599
1720	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
1729		2609
1730	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
1731		2625
1732	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2627	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
1737		2631
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2632	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2633
1740	if ($self->{record_replies}) {	2634	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2635	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2636
1742	} else {	2637	} else {
		2638	my $pl = $self->contr;
		2639
		2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2641	my $dialog = $pl->{npc_dialog};
		2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2643
		2644	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2647	}
1745	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
1746	}	2659	}
1747		2660
1748	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
1749		2662
1750	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
1763		2676
1764	=item $player_object->enter_link	2677	=item $player_object->enter_link
1765		2678
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2680
1768	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
1770		2685
1771	Will never block.	2686	Will never block.
1772		2687
1773	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
1774		2689
…		…
1794	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2710	my ($self) = @_;
1796		2711
1797	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
1798		2713
		2714	++$self->{_link_recursion};
		2715
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2717
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2719	if $self->map && $self->map->{path} ne "{link}";
1803		2720
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2722	}
1806		2723
1807	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
		2726
		2727	return unless $self->contr->active;
1809		2728
1810	my $link_pos = delete $self->{_link_pos};	2729	my $link_pos = delete $self->{_link_pos};
1811		2730
1812	unless ($map) {	2731	unless ($map) {
1813	# restore original map position	2732	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
1826		2745
1827	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
1830		2749
1831	$map->load;	2750	$map->load;
1832	$map->load_diag;	2751	$map->load_neighbours;
1833		2752
1834	return unless $self->contr->active;	2753	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2754
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
1839	}	2757	# entering was successful
1840		2758	delete $self->{_link_recursion};
1841	cf::player->attach (	2759	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2760	$self->activate_recursive;
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},	2761	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2762
1855	# try to abort aborted map switching on player login :)	2763	}
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2764
1873	=item $player_object->goto ($path, $x, $y)	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2766
		2767	Moves the player to the given map-path and coordinates by first freezing
		2768	her, loading and preparing them map, calling the provided $check callback
		2769	that has to return the map if sucecssful, and then unfreezes the player on
		2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
1875	=cut	2776	=cut
		2777
		2778	our $GOTOGEN;
1876		2779
1877	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
		2789	# do generation counting so two concurrent goto's will be executed in-order
		2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2791
1880	$self->enter_link;	2792	$self->enter_link;
1881		2793
1882	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
1883	my $map = eval {	2816	my $map = eval {
1884	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
		2818
		2819	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2820	$map = $map->customise_for ($self);
		2821	$map = $check->($map, $x, $y, $self) if $check && $map;
		2822	} else {
		2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2824	}
		2825
1886	$map	2826	$map
		2827	};
		2828
		2829	if ($@) {
		2830	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2832	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2833
		2834	if ($gen == $self->{_goto_generation}) {
		2835	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
		2837	}
		2838
		2839	$done->($self) if $done;
1891	})->prio (1);	2840	})->prio (1);
1892	}	2841	}
1893		2842
1894	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
1895		2844
…		…
1915	}	2864	}
1916		2865
1917	sub prepare_random_map {	2866	sub prepare_random_map {
1918	my ($exit) = @_;	2867	my ($exit) = @_;
1919		2868
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2871	# that depends on the exit object
1925		2872
1926	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2875	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
1933	}	2882	}
1934		2883
1935	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
1936		2885
1937	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
1940		2889
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2892	undef $fh;
1944	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
1945		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
1948	}	2901	}
1949	}	2902	}
1950		2903
1951	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
1953		2906
1954	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
1955		2908
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2909	$self->enter_link;
1966		2910
1967	(async {	2911	(async {
1968	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
1969	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
1970	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
1971		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
1972	1;	2935	1
1973	}) {	2936	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2941
1979	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2943	$self->leave_link;
1981	}	2944	}
1982	})->prio (1);	2945	})->prio (1);
1983	}	2946	}
1984		2947
…		…
1998		2961
1999	utf8::encode $text;	2962	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2964	}
2002		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
		2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2992
		2993	Send a drawinfo or msg packet to the client, formatting the msg for the
		2994	client if neccessary. C<$type> should be a string identifying the type of
		2995	the message, with C<log> being the default. If C<$color> is negative, suppress
		2996	the message unless the client supports the msg packet.
		2997
		2998	=cut
		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
		3114	sub cf::client::send_msg {
		3115	my ($self, $channel, $msg, $color, @extra) = @_;
		3116
		3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
		3119
		3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3121
		3122	# check predefined channels, for the benefit of C
		3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
		3134	}
		3135
		3136	$channel = $channel->{id};
		3137	}
		3138
		3139	return unless @extra || length $msg;
		3140
		3141	# default colour, mask it out
		3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3143	if $color & cf::NDI_DEF;
		3144
		3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
		3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3148	);
		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
		3153	=item $client->ext_msg ($type, @msg)
		3154
		3155	Sends an ext event to the client.
		3156
		3157	=cut
		3158
		3159	sub cf::client::ext_msg($$@) {
		3160	my ($self, $type, @msg) = @_;
		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
		3165	push @msg, msgtype => "event_$type";
		3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
		3186	}
2003		3187
2004	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2005		3189
2006	Queues a query to the client, calling the given callback with	3190	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3191	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3192	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3193
2010	Queries can fail, so check the return code. Or don't, as queries will become	3194	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3195	become reliable at some point in the future.
2012		3196
2013	=cut	3197	=cut
2014		3198
2015	sub cf::client::query {	3199	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3200	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3208	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3209	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3210
2027	$self->send_packet ($self->{query_queue}[0][0])	3211	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3212	if @{ $self->{query_queue} } == 1;
		3213
		3214	1
2029	}	3215	}
2030		3216
2031	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
2032	on_reply => sub {	3223	on_reply => sub {
2033	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
2034		3225
2035	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
2036	# get handled first	3227	# get handled first
…		…
2048	} else {	3239	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3240	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3241	}
2051	}	3242	}
2052	},	3243	},
		3244	on_exticmd => sub {
		3245	my ($ns, $buf) = @_;
		3246
		3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3248
		3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
		3257	if (my $cb = $EXTICMD{$type}) {
		3258	@reply = $cb->($ns, @payload);
		3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
		3264	} else {
		3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3266	}
		3267
		3268	cf::override;
		3269	},
2053	);	3270	);
2054		3271
2055	=item $client->async (\&cb)	3272	=item $client->async (\&cb)
2056		3273
2057	Create a new coroutine, running the specified callback. The coroutine will	3274	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3290
2074	$coro	3291	$coro
2075	}	3292	}
2076		3293
2077	cf::client->attach (	3294	cf::client->attach (
2078	on_destroy => sub {	3295	on_client_destroy => sub {
2079	my ($ns) = @_;	3296	my ($ns) = @_;
2080		3297
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3299	},
2083	);	3300	);
…		…
2098	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2100		3317
2101	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2102		3319
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2104		3325
2105	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2106		3327
2107	=pod	3328	=pod
2108		3329
2109	The following fucntions and emthods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2110		3331
2111	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2112	cf::object::player player	3337	cf::object::player
2113	cf::player peaceful	3338	player
2114	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2115		3345
2116	=cut	3346	=cut
2117		3347
2118	for (	3348	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2123	) {	3355	) {
2124	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2127	for @funs;	3358	for @funs;
2128	}	3359	}
2129		3360
…		…
2144		3375
2145	my $qcode = $code;	3376	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2148		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2149	local $_;	3383	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3384
2152	my $eval =	3385	my $eval =
2153	"do {\n"	3386	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3389	. $code
2157	. "\n}"	3390	. "\n}"
2158	;	3391	;
2159		3392
		3393	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2163		3402
2164	if ($@) {	3403	if ($@) {
2165	warn "$@";	3404	warn "$@",
2166	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2168	}	3407	}
2169		3408
2170	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2171	}	3410	}
2172		3411
…		…
2186	=cut	3425	=cut
2187		3426
2188	sub register_script_function {	3427	sub register_script_function {
2189	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2190		3429
2191	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2193	}	3432	}
2194		3433
2195	=back	3434	=back
2196		3435
2197	=cut	3436	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3437
2271	#############################################################################	3438	#############################################################################
2272	# the server's init and main functions	3439	# the server's init and main functions
2273		3440
2274	sub load_faces {	3441	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3442	my ($path) = @_;
2276		3443
		3444	# HACK to clear player env face cache, we need some signal framework
		3445	# for this (global event?)
		3446	%ext::player_env::MUSIC_FACE_CACHE = ();
		3447
		3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3449
2277	warn "loading faces from $path\n";	3450	trace "loading facedata from $path\n";
2278		3451
2279	my $faces;	3452	my $facedata = decode_storable load_file $path;
2280	0 < aio_load $path, $faces
2281	or die "$path: $!";
2282		3453
2283	Coro::cede;	3454	$facedata->{version} == 2
2284	$faces = Storable::thaw $faces;	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2285	Coro::cede;
2286		3456
		3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3459	$facedata->{resource}{"res/exp_table"} = {
		3460	type => FT_RSRC,
		3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
		3463	};
		3464	cf::cede_to_tick;
		3465
		3466	{
		3467	my $faces = $facedata->{faceinfo};
		3468
2287	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3471
		3472	cf::face::set_visibility $idx, $info->{visibility};
		3473	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2291	Coro::cede;	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2292	}	3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2293		3477
		3478	cf::cede_to_tick;
		3479	}
		3480
2294	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2296	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
		3485	or next;
		3486
		3487	if (my $smooth = cf::face::find $info->{smooth}) {
		3488	cf::face::set_smooth $idx, $smooth;
		3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3490	} else {
		3491	error "smooth face '$info->{smooth}' not found for face '$face'";
		3492	}
		3493
		3494	cf::cede_to_tick;
		3495	}
		3496	}
		3497
		3498	{
		3499	my $anims = $facedata->{animinfo};
		3500
		3501	while (my ($anim, $info) = each %$anims) {
		3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3503	cf::cede_to_tick;
		3504	}
		3505
		3506	cf::anim::invalidate_all; # d'oh
		3507	}
		3508
		3509	{
		3510	my $res = $facedata->{resource};
		3511
		3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
		3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3517	cf::face::set_type $idx, $info->{type};
		3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
		3528	1
		3529	}
		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
		3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	load_resource_file "$MAPDIR/regions"
		3555	or die "unable to load regions file\n";
		3556
		3557	for (cf::region::list) {
		3558	$_->{match} = qr/$_->{match}/
		3559	if exists $_->{match};
		3560	}
		3561	}
		3562
		3563	sub reload_facedata {
		3564	load_facedata "$DATADIR/facedata"
		3565	or die "unable to load facedata\n";
		3566	}
		3567
		3568	sub reload_archetypes {
		3569	load_resource_file "$DATADIR/archetypes"
		3570	or die "unable to load archetypes\n";
		3571	}
		3572
		3573	sub reload_treasures {
		3574	load_resource_file "$DATADIR/treasures"
		3575	or die "unable to load treasurelists\n";
		3576	}
		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
2297	or next;	3585	or next;
2298	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
2301	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}
2304	Coro::cede;
2305	}
2306		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2307	1	3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
2308	}	3596	}
2309		3597
2310	sub reload_resources {	3598	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3599	trace "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	3600
		3601	reload_exp_table;
		3602	reload_materials;
2313	load_faces	3603	reload_facedata;
2314	or die "unable to load faces\n";#d#	3604	reload_sound;
2315	}	3605	reload_archetypes;
2316
2317	sub init {
2318	reload_resources;	3606	reload_regions;
2319	}	3607	reload_treasures;
2320		3608
2321	sub cfg_load {	3609	trace "finished reloading resource files\n";
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3610	}
2323	or return;
2324		3611
2325	local $/;	3612	sub reload_config {
2326	*CFG = YAML::Syck::Load <$fh>;	3613	trace "reloading config file...\n";
2327		3614
		3615	my $config = load_file "$CONFDIR/config";
		3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
		3618
2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2329		3620
2330	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2331	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2332		3623
2333	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2337	};	3628	};
2338	warn $@ if $@;	3629	warn $@ if $@;
2339	}	3630	}
2340	}	3631	}
2341		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
2342	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2343	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2344	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2346	(async {	3674	(async {
2347	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2348	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2349	};	3678	};
2350		3679
2351	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
2352	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2353	load_extensions;	3703	load_extensions;
2354		3704
2355	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2356	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2357	}	3723	}
2358		3724
2359	#############################################################################	3725	#############################################################################
2360	# initialisation and cleanup	3726	# initialisation and cleanup
2361		3727
2362	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2363	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2364	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2365	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2366	reentrant => 0,
2367	data => WF_AUTOCANCEL,
2368	signal => $signal,
2369	prio => 0,
2370	cb => sub {
2371	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2372	},
2373	);	3734	};
		3735	}
		3736	}
		3737
		3738	sub write_runtime_sync {
		3739	my $t0 = AE::time;
		3740
		3741	# first touch the runtime file to show we are still running:
		3742	# the fsync below can take a very very long time.
		3743
		3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3745
		3746	my $guard = cf::lock_acquire "write_runtime";
		3747
		3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3749	or return;
		3750
		3751	my $value = $cf::RUNTIME + 90 + 10;
		3752	# 10 is the runtime save interval, for a monotonic clock
		3753	# 60 allows for the watchdog to kill the server.
		3754
		3755	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3756	and return;
		3757
		3758	# always fsync - this file is important
		3759	aio_fsync $fh
		3760	and return;
		3761
		3762	# touch it again to show we are up-to-date
		3763	aio_utime $fh, undef, undef;
		3764
		3765	close $fh
		3766	or return;
		3767
		3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3769	and return;
		3770
		3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3772
2374	}	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2375	}	3824	}
2376		3825
2377	sub emergency_save() {	3826	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2379		3828
2380	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2381		3835
2382	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2383	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2384	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2385	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2386	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2387	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2388	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2389	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2390	$pl->save;	3847	$pl->save;
2391	}	3848	}
2392	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2393		3850
2394	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2395	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2396	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2397	$map->valid or next;	3856	$map->valid or next;
2398	$map->save;	3857	$map->save;
2399	}	3858	}
2400	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
2401		3860
2402	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
2403	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
2404	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2405	};	3889	};
2406		3890
2407	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2408	}	3892	}
2409		3893
2410	sub post_cleanup {	3894	sub post_cleanup {
2411	my ($make_core) = @_;	3895	my ($make_core) = @_;
2412		3896
		3897	IO::AIO::flush;
		3898
2413	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3900	if $make_core;
2415	}
2416		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
		3929	}
		3930
2417	sub reload() {	3931	sub do_reload_perl() {
2418	# can/must only be called in main	3932	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2420	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2421	return;	3935	return;
2422	}	3936	}
2423		3937
2424	warn "reloading...";	3938	return if $RELOAD++;
2425		3939
2426	warn "entering sync_job";	3940	my $t1 = AE::time;
2427		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
2428	cf::sync_job {	3948	cf::sync_job {
2429	cf::write_runtime; # external watchdog should not bark
2430	cf::emergency_save;	3949	#cf::emergency_save;
2431	cf::write_runtime; # external watchdog should not bark
2432		3950
2433	warn "syncing database to disk";
2434	BDB::db_env_txn_checkpoint $DB_ENV;
2435
2436	# if anything goes wrong in here, we should simply crash as we already saved
2437
2438	warn "cancelling all WF_AUTOCANCEL watchers";
2439	for (Event::all_watchers) {
2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2441	}
2442
2443	warn "flushing outstanding aio requests";
2444	for (;;) {
2445	BDB::flush;
2446	IO::AIO::flush;
2447	Coro::cede;
2448	last unless IO::AIO::nreqs || BDB::nreqs;
2449	warn "iterate...";
2450	}
2451
2452	++$RELOAD;
2453
2454	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2455	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2456	%EXT_CORO = ();	3953	%EXT_CORO = ();
2457		3954
2458	warn "removing commands";	3955	trace "perl_reload: removing commands";
2459	%COMMAND = ();	3956	%COMMAND = ();
2460		3957
2461	warn "removing ext commands";	3958	trace "perl_reload: removing ext/exti commands";
2462	%EXTCMD = ();	3959	%EXTCMD = ();
		3960	%EXTICMD = ();
2463		3961
2464	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2467		3965
2468	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2469	eval {	3967	eval {
2470	$cb->($pkg);	3968	$cb->($pkg);
2471	1	3969	1
2472	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
2473	}	3975	}
2474		3976
2475	warn "... nuking $pkg";
2476	Symbol::delete_package $pkg;
2477	}
2478
2479	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2480	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2482		3980
2483	warn "... unloading $k";	3981	trace "... unloading $k";
2484	delete $INC{$k};	3982	delete $INC{$k};
2485		3983
2486	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2487	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2488		3986
2489	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2490	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2491	}	3992	}
2492		3993
2493	Symbol::delete_package $k;
2494	}
2495
2496	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2497	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		3997
2500	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
		4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2502		4001
2503	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2504	# and global variables created in xs	4003	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2506		4005
2507	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2508		4007
2509	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2510	require cf;	4009	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2512		4011
2513	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2514	cf::cfg_load;	4013	cf::reload_config;
2515		4014
2516	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2517	cf::load_extensions;	4016	cf::load_extensions;
2518		4017
		4018	if ($REATTACH_ON_RELOAD) {
2519	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2520	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
2521	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2522	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
2525		4026
2526	warn "loading reloadable resources";	4027	cf::_post_init 1;
2527	reload_resources;
2528		4028
2529	warn "leaving sync_job";	4029	trace "perl_reload: leaving sync_job";
2530		4030
2531	1	4031	1
2532	} or do {	4032	} or do {
2533	warn $@;	4033	error $@;
2534	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
2535	exit 1;	4035	};
		4036
		4037	--$RELOAD;
		4038	}
		4039
		4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
		4042	};
		4043
		4044	our $RELOAD_WATCHER; # used only during reload
		4045
		4046	sub reload_perl() {
		4047	# doing reload synchronously and two reloads happen back-to-back,
		4048	# coro crashes during coro_state_free->destroy here.
		4049
		4050	$RELOAD_WATCHER ||= cf::async {
		4051	Coro::AIO::aio_wait cache_extensions;
		4052
		4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4054	do_reload_perl;
		4055	undef $RELOAD_WATCHER;
		4056	};
2536	};	4057	};
2537		4058	}
2538	warn "reloaded";
2539	};
2540
2541	our $RELOAD_WATCHER; # used only during reload
2542		4059
2543	register_command "reload" => sub {	4060	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
2545		4062
2546	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
2548		4065	async {
2549	# doing reload synchronously and two reloads happen back-to-back,	4066	$Coro::current->{desc} = "perl_reload";
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;	4067	reload_perl;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);	4068	};
2561	}	4069	}
2562	};	4070	};
2563		4071
2564	unshift @INC, $LIBDIR;	4072	#############################################################################
2565		4073
2566	my $bug_warning = 0;	4074	my $bug_warning = 0;
2567		4075
2568	$TICK_WATCHER = Event->timer (	4076	our @WAIT_FOR_TICK;
2569	reentrant => 0,	4077	our @WAIT_FOR_TICK_BEGIN;
2570	parked => 1,	4078
2571	prio => 0,	4079	sub wait_for_tick() {
2572	at => $NEXT_TICK || $TICK,	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2573	data => WF_AUTOCANCEL,	4081
2574	cb => sub {	4082	my $signal = new Coro::Signal;
		4083	push @WAIT_FOR_TICK, $signal;
		4084	$signal->wait;
		4085	}
		4086
		4087	sub wait_for_tick_begin() {
		4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4089
		4090	my $signal = new Coro::Signal;
		4091	push @WAIT_FOR_TICK_BEGIN, $signal;
		4092	$signal->wait;
		4093	}
		4094
		4095	sub tick {
2575	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2578	return;	4099	return;
2579	}	4100	}
2580		4101
2581	$NOW = Event::time;
2582
2583	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
2584	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;
2586		4103
		4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4105
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2589	Coro::async_pool {	4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
2590	write_runtime	4110	write_runtime_sync
2591	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
2592	};
2593	}	4112	};
2594
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#
2600
2601	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2603
2604	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;
2606	},	4113	}
2607	);	4114
		4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4116	$sig->send;
		4117	}
		4118	while (my $sig = shift @WAIT_FOR_TICK) {
		4119	$sig->send;
		4120	}
		4121
		4122	$LOAD = ($NOW - $TICK_START) / $TICK;
		4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4124
		4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
		4131	}
		4132	}
2608		4133
2609	{	4134	{
2610	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2611	$BDB_POLL_WATCHER = Event->io (	4136
2612	reentrant => 0,
2613	fd => BDB::poll_fileno,
2614	poll => 'r',
2615	prio => 0,
2616	data => WF_AUTOCANCEL,
2617	cb => \&BDB::poll_cb,
2618	);
2619	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2620		4138	BDB::max_poll_reqs $TICK * 0.1;
2621	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
2622	my $status;
2623	my $current = $Coro::current;
2624	(
2625	sub {
2626	$status = $!;
2627	$current->ready; undef $current;
2628	},
2629	sub {
2630	Coro::schedule while defined $current;
2631	$! = $status;
2632	},
2633	)
2634	};
2635		4140
2636	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2637	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2638		4148
2639	cf::sync_job {	4149	cf::sync_job {
2640	eval {	4150	eval {
2641	BDB::db_env_open	4151	BDB::db_env_open
2642	$DB_ENV,	4152	$DB_ENV,
2643	$BDB_ENV_DIR,	4153	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	4156	0666;
2647		4157
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;
2652	};	4159	};
2653		4160
2654	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2655	};	4162	};
2656	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2657	}	4174	}
2658		4175
2659	{	4176	{
		4177	# configure IO::AIO
		4178
2660	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2661
2662	undef $Coro::AIO::WATCHER;
2663	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2664	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2665	reentrant => 0,
2666	data => WF_AUTOCANCEL,
2667	fd => IO::AIO::poll_fileno,
2668	poll => 'r',
2669	prio => 6,
2670	cb => \&IO::AIO::poll_cb,
2671	);
2672	}	4182	}
		4183
		4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
		4186
		4187	sub _log_backtrace {
		4188	my ($msg, @addr) = @_;
		4189
		4190	$msg =~ s/\n$//;
		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4195	# limit the # of concurrent backtraces
		4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
		4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
		4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
		4203	my @bt = fork_call {
		4204	@addr = map { sprintf "%x", $_ } @addr;
		4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4207	or die "addr2line: $!";
		4208
		4209	my @funcs;
		4210	my @res = <$fh>;
		4211	chomp for @res;
		4212	while (@res) {
		4213	my ($func, $line) = splice @res, 0, 2, ();
		4214	push @funcs, "[$func] $line";
		4215	}
		4216
		4217	@funcs
		4218	};
		4219
		4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4222	LOG llevInfo, "[ABT] $_\n" for @bt;
		4223	--$_log_backtrace;
		4224	};
		4225	} else {
		4226	LOG llevInfo, "[ABT] $msg\n";
		4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4228	}
		4229	}
		4230
		4231	# load additional modules
		4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2673		4234
2674	END { cf::emergency_save }	4235	END { cf::emergency_save }
2675		4236
2676	1	4237	1
2677		4238

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