ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.241 by root, Mon Apr 16 11:09:32 2007 UTC vs.
Revision 1.562 by root, Sat Apr 23 04:46:26 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98
61	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(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	123	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
69		132
70	our %CFG;	133	our %CFG;
71		134
72	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
74		138
75	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		142
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $REALLY_UNLOOP; # never set to true, please :)
		155
84	binmode STDOUT;	156	binmode STDOUT;
85	binmode STDERR;	157	binmode STDERR;
86		158
87	# read virtual server time, if available	159	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
92	}	164	}
93		165
94	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	167
96	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		170
101	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
102		172
103	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::"} };
104		189
105	#############################################################################	190	#############################################################################
106		191
107	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
108		193
…		…
115	=item $cf::RUNTIME	200	=item $cf::RUNTIME
116		201
117	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
118	every server tick.	203	every server tick.
119		204
120	=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
121		208
122	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		213
125	=item $cf::NOW	214	=item $cf::NOW
126		215
127	The time of the last (current) server tick.	216	The time of the last (current) server tick.
128		217
129	=item $cf::TICK	218	=item $cf::TICK
130		219
131	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	232	=item %cf::CFG
134		233
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	235	from wherever your confdir points to.
137		236
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		238
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
144	=back	260	=back
145		261
146	=cut	262	=cut
147		263
148	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	271	my $msg = join "", @_;
151	utf8::encode $msg;
152		272
153	$msg .= "\n"	273	$msg .= "\n"
154	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
155		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
156	LOG llevError, $msg;	278	LOG llevWarn, $msg;
157	};	279	};
158	}	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	};
159		294
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		302
167	# 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
168	# within the Safe compartment.	304	# within the Safe compartment.
169	for my $pkg (qw(	305	for my $pkg (qw(
170	cf::global cf::attachable	306	cf::global cf::attachable
171	cf::object cf::object::player	307	cf::object cf::object::player
172	cf::client cf::player	308	cf::client cf::player
173	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
174	cf::map cf::party cf::region	311	cf::party cf::region
175	)) {	312	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	314	}
179		315
180	$Event::DIED = sub {	316	$EV::DIED = sub {
181	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
182	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
183		326
184	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
185		328
186	=over 4	329	=over 4
187		330
…		…
206	$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;
207	$d	350	$d
208	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
209	}	352	}
210		353
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
212		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
213	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
214		369
215	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
216		371
217	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
218		373
219	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
220		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
221	=item cf::lock_wait $string	445	=item cf::lock_wait $string
222		446
223	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
224		448
225	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
226		450
227	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
230	returned.	454	returned.
231		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
232	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
234		461
235	=cut	462	=item $locked = cf::lock_active $string
236		463
237	our %LOCK;	464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
238		469
239	sub lock_wait($) {	470	sub lock_wait($) {
240	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	472	}
248		473
249	sub lock_acquire($) {	474	sub lock_acquire($) {
250	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
251		477
252	# wait, to be sure we are not locked	478	sub lock_active($) {
253	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	480	}
262		481
263	sub freeze_mainloop {	482	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
265		484
266	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	486	}
		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	}
268	};	556	}
269	$TICK_WATCHER->stop;	557	};
270	$guard	558
		559	sub get_slot($;$$) {
		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;
271	}	572	}
272		573
273	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
274		575
275	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		581
281	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
282		583
283	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
284		585
285	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
286	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
287	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.
288		590
289	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
290	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
291	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
292	fast or be very important.	594	fast or be very important.
…		…
294	=cut	596	=cut
295		597
296	sub sync_job(&) {	598	sub sync_job(&) {
297	my ($job) = @_;	599	my ($job) = @_;
298		600
299	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
300	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
302		606
303	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	608
305	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
306		610
307	my $busy = 1;	611	my $busy = 1;
308	my @res;	612	my @res;
309		613
310	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	616	@res = eval { $job->() };
312	warn $@ if $@;	617	error $@ if $@;
313	undef $busy;	618	undef $busy;
314	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
315		620
316	while ($busy) {	621	while ($busy) {
317	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
318	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
319		632
320	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
321	} else {	634	} else {
322	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
323		636
…		…
343	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
344		657
345	$coro	658	$coro
346	}	659	}
347		660
348	sub write_runtime {	661	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		662
351	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.
352		667
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
354	or return;
355		669
356	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
358	# 60 allows for the watchdog to kill the server.	672	}
359		673
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
361	and return;	675	my ($cb, @args) = @_;
362		676
363	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
365	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
366		680
367	close $fh	681	my @res = Coro::Util::fork_eval {
368	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
369		685
370	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
371	and return;	687	}
372		688
		689	sub objinfo {
373	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"
374	}	853	}
375		854
376	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
377		856
378	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
379		858
380	=cut	859	=cut
381		860
382	sub datalog($@) {	861	sub datalog($@) {
383	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	864	}
386		865
387	=back	866	=back
388		867
389	=cut	868	=cut
390		869
391	#############################################################################	870	#############################################################################
392		871
393	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
394		873
395	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
396	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")
397	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
398		877
399	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>
400	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
401	crossfire+).	880	Deliantra).
402		881
403	=over 4	882	=over 4
404		883
405	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
406		885
…		…
450	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
451		930
452	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
453	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
454		933
455	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		936
458	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
459		938
460	=over 4	939	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
570		1049
571	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1054
576	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
578		1057
579	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
584		1063
585	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1066
588	} elsif (ref $type) {	1067	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
590		1069
591	} else {	1070	} else {
592	shift @arg;	1071	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
594	}	1073	}
595	}	1074	}
596	}	1075	}
597		1076
598	sub _object_attach {	1077	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
609	}	1088	}
610		1089
611	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
612	} else {	1091	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1093	}
615		1094
616	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
617	}	1096	}
618		1097
…		…
620	if (ref $_[0]) {	1099	if (ref $_[0]) {
621	_object_attach @_;	1100	_object_attach @_;
622	} else {	1101	} else {
623	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
624	}	1103	}
		1104	_recalc_want;
625	};	1105	};
626		1106
627	# all those should be optimised	1107	# all those should be optimised
628	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1113	reattach ($obj);
634	} else {	1114	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
636	}	1116	}
		1117	_recalc_want;
637	};	1118	};
638		1119
639	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
641		1122
…		…
656	";	1137	";
657	die if $@;	1138	die if $@;
658	}	1139	}
659		1140
660	our $override;	1141	our $override;
661	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?
662		1143
663	sub override {	1144	sub override {
664	$override = 1;	1145	$override = 1;
665	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
666	}	1147	}
667		1148
668	sub do_invoke {	1149	sub do_invoke {
669	my $event = shift;	1150	my $event = shift;
670	my $callbacks = shift;	1151	my $callbacks = shift;
671		1152
672	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
673		1154
674	local $override;	1155	local $override;
675		1156
676	for (@$callbacks) {	1157	for (@$callbacks) {
677	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
678		1159
679	if ($@) {	1160	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1162	override;
683	}	1163	}
684		1164
685	return 1 if $override;	1165	return 1 if $override;
686	}	1166	}
687		1167
688	0	1168	0
689	}	1169	}
690		1170
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1172
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1174
695	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
696		1176
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1180
701	=back	1181	=back
702		1182
703	=cut	1183	=cut
704		1184
705	#############################################################################	1185	#############################################################################
706	# 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	}
707		1229
708	sub reattach {	1230	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1232	my ($obj) = @_;
711		1233
		1234	# no longer needed after getting rid of delete_package?
712	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
713		1236
714	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
715		1238
716	@$registry = ();	1239	@$registry = ();
717		1240
…		…
722	for (@$attach) {	1245	for (@$attach) {
723	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
725	}	1248	}
726	} else {	1249	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1251	}
729	}	1252	}
730	}	1253	}
731		1254
732	cf::attachable->attach (	1255	cf::attachable->attach (
733	prio => -1000000,	1256	prio => -1000000,
734	on_instantiate => sub {	1257	on_instantiate => sub {
735	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
736		1259
737	$data = from_json $data;	1260	$data = decode_json $data;
738		1261
739	for (@$data) {	1262	for (@$data) {
740	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
741		1264
742	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1281	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
760		1283
761	sync_job {	1284	sync_job {
762	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
765		1290
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1298	aio_close $fh;
771		1299
772	if (@$objs) {	1300	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1309	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
780	}	1311	}
781	} else {	1312	} else {
782	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
783	}	1314	}
784		1315
785	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1320	} else {
787	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
788	}	1322	}
789	} else {	1323	} else {
790	aio_unlink $filename;	1324	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
792	}	1326	}
793	}	1327	};
794	}	1328	}
795		1329
796	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
798		1332
…		…
810	or return;	1344	or return;
811		1345
812	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
814	or return;	1348	or return;
		1349
815	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
816	}	1352	}
817		1353
		1354	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
820	return ($data, $av);	1359	($data, $av)
821	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
822		1367
823	#############################################################################	1368	#############################################################################
824	# command handling &c	1369	# command handling &c
825		1370
826	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1385	}
841		1386
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1388
844	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.
845		1394
846	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
847	called.	1396	called.
848		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
849	=cut	1409	=cut
850		1410
851	sub register_extcmd {	1411	sub register_extcmd {
852	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
853		1413
854	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
855	}	1415	}
856		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
857	cf::player->attach (	1425	cf::player->attach (
858	on_command => sub {	1426	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
860		1428
861	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
862	or return;	1430	or return;
863		1431
…		…
868	cf::override;	1436	cf::override;
869	},	1437	},
870	on_extcmd => sub {	1438	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
872		1440
873	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1442
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
881	} else {	1458	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1460	}
884		1461
885	cf::override;	1462	cf::override;
886	},	1463	},
887	);	1464	);
888		1465
		1466	# "readahead" all extensions
889	sub load_extension {	1467	sub cache_extensions {
890	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
891		1469
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1473	}
917	die $@;
918	}	1474	};
919		1475
920	push @EXTS, $pkg;	1476	$grp
921	}	1477	}
922		1478
923	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
924	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1486	next unless -r $path;
926	eval {	1487
927	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	}
928	1	1551	}
929	} 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	}
930	}	1564	};
931	}	1565	}
932		1566
933	#############################################################################	1567	#############################################################################
934		1568
		1569	=back
		1570
935	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
936		1572
937	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
938		1574
939	=cut	1575	=cut
940		1576
941	package cf::player;	1577	package cf::player;
942		1578
…		…
944		1580
945	=head3 cf::player	1581	=head3 cf::player
946		1582
947	=over 4	1583	=over 4
948		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
949	=item cf::player::find $login	1599	=item cf::player::find $login
950		1600
951	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
952		1602
953	=cut	1603	=cut
954		1604
955	sub playerdir($) {	1605	sub playerdir($) {
956	cf::localdir	1606	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1608	}
962		1609
963	sub path($) {	1610	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1621
975	sub exists($) {	1622	sub exists($) {
976	my ($login) = @_;	1623	my ($login) = @_;
977		1624
978	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
980	}	1627	}
981		1628
982	sub find($) {	1629	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1631	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
995		1642
996	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
999	}	1652	}
1000	}	1653	}
1001	}	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	);
1002		1668
1003	sub save($) {	1669	sub save($) {
1004	my ($pl) = @_;	1670	my ($pl) = @_;
1005		1671
1006	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1012		1678
1013	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1015		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
1016	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1017	Coro::cede;	1688	cf::cede_to_tick;
1018	}	1689	}
1019		1690
1020	sub new($) {	1691	sub new($) {
1021	my ($login) = @_;	1692	my ($login) = @_;
1022		1693
…		…
1028	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1029		1700
1030	$self	1701	$self
1031	}	1702	}
1032		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
1033	=item $pl->quit_character	1714	=item $pl->quit_character
1034		1715
1035	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
1036	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1037		1718
…		…
1041	my ($pl) = @_;	1722	my ($pl) = @_;
1042		1723
1043	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1044		1725
1045	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1046	$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
1047		1728
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1051	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1052		1737
1053	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1085		1770
1086	=cut	1771	=cut
1087		1772
1088	sub list_logins {	1773	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1775	or return [];
1091		1776
1092	my @logins;	1777	my @logins;
1093		1778
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1098		1789
1099	utf8::decode $login;	1790	utf8::decode $login;
1100	push @logins, $login;	1791	push @logins, $login;
1101	}	1792	}
1102		1793
1103	\@logins	1794	\@logins
1104	}	1795	}
1105		1796
1106	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1107		1800
1108	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1109	player. May block.	1802	player. May block.
1110		1803
1111	=cut	1804	=cut
…		…
1129	}	1822	}
1130		1823
1131	\@paths	1824	\@paths
1132	}	1825	}
1133		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1134	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1135		1832
1136	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1137		1834
1138	=cut	1835	=cut
1139		1836
1140	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1142		1839
1143	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1841	}
1147		1842
1148	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1149		1844
1150	Sends an ext event to the client.	1845	Sends an ext event to the client.
1151		1846
1152	=cut	1847	=cut
1153		1848
1154	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1156		1851
1157	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1158	}	1853	}
1159		1854
1160	=head3 cf::region	1855	=head3 cf::region
1161		1856
1162	=over 4	1857	=over 4
…		…
1165		1860
1166	package cf::region;	1861	package cf::region;
1167		1862
1168	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1169		1864
1170	Tries to decuce the probable region for a map knowing only its path.	1865	Tries to decuce the likely region for a map knowing only its path.
1171		1866
1172	=cut	1867	=cut
1173		1868
1174	sub find_by_path($) {	1869	sub find_by_path($) {
1175	my ($path) = @_;	1870	my ($path) = @_;
1176		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1177	my ($match, $specificity);	1874	my ($match, $specificity);
1178		1875
1179	for my $region (list) {	1876	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1183	}	1880	}
1184	}	1881	}
1185		1882
…		…
1206	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1208		1905
1209	sub generate_random_map {	1906	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1212	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	1912	}
1226		1913
1227	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1228		1915
1229	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
…		…
1234		1921
1235	sub register {	1922	sub register {
1236	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1924	my $pkg = caller;
1238		1925
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1927
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1929	}
1244		1930
1245	# also paths starting with '/'	1931	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1933
1248	sub thawer_merge {	1934	sub thawer_merge {
1249	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1250		1936
1251	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1252	local $self->{path};	1938	local $self->{path};
1253	local $self->{load_path};	1939	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1940
1257	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1258	}	1942	}
1259		1943
1260	sub normalise {	1944	sub normalise {
1261	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1262		1946
1263	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1264		1948
1265	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1266		1950
1267	# map plan:	1951	# map plan:
1268	#	1952	#
…		…
1283	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	1968	$path = "$base/$path";
1285	}	1969	}
1286		1970
1287	for ($path) {	1971	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1291	}	1974	}
1292		1975
1293	$path	1976	$path
…		…
1307	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1308	return $self;	1991	return $self;
1309	}	1992	}
1310	}	1993	}
1311		1994
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	1996	()
1314	}	1997	}
1315		1998
		1999	# may re-bless or do other evil things
1316	sub init {	2000	sub init {
1317	my ($self) = @_;	2001	my ($self) = @_;
1318		2002
1319	$self	2003	$self
1320	}	2004	}
…		…
1332		2016
1333	# the original (read-only) location	2017	# the original (read-only) location
1334	sub load_path {	2018	sub load_path {
1335	my ($self) = @_;	2019	my ($self) = @_;
1336		2020
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1338	}	2022	}
1339		2023
1340	# the temporary/swap location	2024	# the temporary/swap location
1341	sub save_path {	2025	sub save_path {
1342	my ($self) = @_;	2026	my ($self) = @_;
1343		2027
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1346	}	2030	}
1347		2031
1348	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1349	sub uniq_path {	2033	sub uniq_path {
1350	my ($self) = @_;	2034	my ($self) = @_;
1351		2035
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1354	}	2038	}
1355		2039
1356	# and all this just because we cannot iterate over	2040	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2041	my ($self) = @_;
1360		2042
1361	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1363	}	2046	}
1364		2047
1365	sub unlink_save {	2048	sub unlink_save {
1366	my ($self) = @_;	2049	my ($self) = @_;
1367		2050
…		…
1372		2055
1373	sub load_header_from($) {	2056	sub load_header_from($) {
1374	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1375		2058
1376	utf8::encode $path;	2059	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		2068
1383	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1384		2070
1385	1	2071	1
1386	}	2072	}
…		…
1425	$self->load_header_orig	2111	$self->load_header_orig
1426	or return;	2112	or return;
1427	$self->prepare_orig;	2113	$self->prepare_orig;
1428	}	2114	}
1429		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
1430	$self->default_region (cf::region::find_by_path $self->{path})	2119	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2120	unless $self->default_region;
1432		2121
1433	1	2122	1
1434	}	2123	}
1435		2124
1436	sub find;	2125	sub find;
1437	sub find {	2126	sub find {
1438	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1439		2128
		2129	cf::cede_to_tick;
		2130
1440	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1441		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2135
1444	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1447	or return;	2138	or return;
1448		2139
1449	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1450		2141
1451	$map->load_header	2142	$map->load_header
1452	or return;	2143	or return;
1453		2144
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1457	$map->reset;	2150	$map->reset;
1458	undef $guard;
1459	return find $path;	2151	return find $path;
1460	}	2152	}
1461		2153
1462	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1463	}	2155	}
1464	}	2156	}
1465		2157
1466	sub pre_load { }	2158	sub pre_load { }
1467	sub post_load { }	2159	#sub post_load { } # XS
1468		2160
1469	sub load {	2161	sub load {
1470	my ($self) = @_;	2162	my ($self) = @_;
1471		2163
1472	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1473		2165
1474	my $path = $self->{path};	2166	my $path = $self->{path};
		2167
		2168	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1476		2170
		2171	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2173
1479	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1480		2175
1481	$self->alloc;	2176	$self->alloc;
1482		2177
1483	$self->pre_load;	2178	$self->pre_load;
1484	Coro::cede;	2179	cf::cede_to_tick;
1485		2180
1486	$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)
1487	or return;	2185	or return;
1488		2186
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1490	if delete $self->{load_original};	2188	if delete $self->{load_original};
1491		2189
1492	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2191	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2194	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1497	}	2199	}
1498	}
1499		2200
1500	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
		2203
		2204	cf::cede_to_tick;
1501	# now do the right thing for maps	2205	# now do the right thing for maps
1502	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2208	unless $self->difficulty;
1513	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;
1514	$self->activate;	2216	$self->activate;
1515	Coro::cede;	2217	}
		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
		2222	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2223	}
1517		2224
1518	$self->post_load;	2225	$self->post_load;
1519	Coro::cede;
1520		2226
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2227	1
1522	}	2228	}
1523		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
1524	sub customise_for {	2233	sub customise_for {
1525	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1526		2235
1527	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2237	if $self->per_player;
1529		2238
		2239	# return find "?party/" . $ob->name . "/" . $self->{path}
		2240	# if $self->per_party;
		2241
1530	$self	2242	$self
1531	}	2243	}
1532		2244
1533	# 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
1534	sub load_diag {	2246	sub load_neighbours {
1535	my ($map) = @_;	2247	my ($map) = @_;
1536		2248
1537	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1538		2250
1539	for (0 .. 3) {	2251	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1541	or next;	2253	or next;
1542	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1543	or next;	2255	or next;
1544	$neigh->load;	2256	$neigh->load;
1545		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2262	}
1549		2263
1550	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1552	or next;	2267	or next;
1553	$neigh->load;	2268	$neigh->load;
1554	}	2269	}
1555	}	2270	}
1556		2271
1557	sub find_sync {	2272	sub find_sync {
1558	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1559		2274
1560	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
1561	}	2279	}
1562		2280
1563	sub do_load_sync {	2281	sub do_load_sync {
1564	my ($map) = @_;	2282	my ($map) = @_;
1565		2283
1566	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;
1567	}	2288	}
1568		2289
1569	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1571		2292
1572	sub find_async {	2293	sub find_async {
1573	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1574		2295
1575	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1576		2297
1577	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2300	}
1580		2301
1581	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1582	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1583	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2309	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2310	$map->load if $v;
		2311	}
1588		2312
1589	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1590	}	2314	}
1591	}	2315	}
1592	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1593	};	2317	};
1594	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1595		2319
1596	()	2320	()
1597	}	2321	}
1598		2322
		2323	# common code, used by both ->save and ->swapout
1599	sub save {	2324	sub _save {
1600	my ($self) = @_;	2325	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2326
1604	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1605		2328
1606	return unless $self->dirty;	2329	return unless $self->dirty;
1607		2330
…		…
1613	return if $self->{deny_save};	2336	return if $self->{deny_save};
1614		2337
1615	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1616		2339
1617	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1619	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1620		2346
1621	if ($uniq) {	2347	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2350	} else {
1625	$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);
1626	}	2352	}
1627	}	2353	}
1628		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1629	sub swap_out {	2363	sub swap_out {
1630	my ($self) = @_;	2364	my ($self) = @_;
1631		2365
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1637	return if $self->players;	2370	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		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
1641	$self->clear;	2381	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2382	}
1644		2383
1645	sub reset_at {	2384	sub reset_at {
1646	my ($self) = @_;	2385	my ($self) = @_;
1647		2386
1648	# TODO: safety, remove and allow resettable per-player maps	2387	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2388	return 1e99 if $self->{deny_reset};
1651		2389
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	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;
1654		2392
…		…
1665	my ($self) = @_;	2403	my ($self) = @_;
1666		2404
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2406
1669	return if $self->players;	2407	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2408
1672	warn "resetting map ", $self->path;#d#	2409	cf::trace "resetting map ", $self->path, "\n";
1673		2410
1674	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
1675		2412
1676	# need to save uniques path	2413	# need to save uniques path
1677	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2418	if $uniq;
1682	}	2419	}
1683		2420
1684	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1685		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2425	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2426
1690	$self->unlink_save;	2427	$self->unlink_save;
1691	$self->destroy;	2428	$self->destroy;
1692	}	2429	}
1693		2430
1694	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1695		2432
1696	sub nuke {	2433	sub nuke {
1697	my ($self) = @_;	2434	my ($self) = @_;
1698		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1699	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1700		2440
1701	$self->unlink_save;	2441	$self->unlink_save;
1702		2442
1703	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2448
1709	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
1710		2451
1711	$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	]
1712	}	2489	}
1713		2490
1714	=item cf::map::unique_maps	2491	=item cf::map::unique_maps
1715		2492
1716	Returns an arrayref of paths of all shared maps that have	2493	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2494	instantiated unique items. May block.
1718		2495
1719	=cut	2496	=cut
1720		2497
1721	sub unique_maps() {	2498	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2499	[
1723	or return;	2500	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2501	utf8::decode $_;
1729	next if /\.pst$/;	2502	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2504	? ()
1732	push @paths, cf::map::normalise $_;	2505	: normalise $_
		2506	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2507	]
1734
1735	\@paths
1736	}	2508	}
1737		2509
1738	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	}
1739		2541
1740	=back	2542	=back
1741		2543
1742	=head3 cf::object	2544	=head3 cf::object
1743		2545
…		…
1747		2549
1748	=over 4	2550	=over 4
1749		2551
1750	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
1751		2553
1752	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.
1753		2556
1754	=cut	2557	=cut
1755		2558
1756	sub inv_recursive_;	2559	sub inv_recursive_;
1757	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
1760		2563
1761	sub inv_recursive {	2564	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
1763	}	2566	}
1764		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
1765	package cf;	2596	package cf;
1766		2597
1767	=back	2598	=back
1768		2599
1769	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
1778		2609
1779	=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	};
1780		2625
1781	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2627	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
1786		2631
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2632	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2633
1789	if ($self->{record_replies}) {	2634	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2635	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2636
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2647	}
1794	}	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 (@_);
1795	}	2659	}
1796		2660
1797	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
1798		2662
1799	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
1812		2676
1813	=item $player_object->enter_link	2677	=item $player_object->enter_link
1814		2678
1815	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}>).
1816		2680
1817	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.
1818	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.
1819		2685
1820	Will never block.	2686	Will never block.
1821		2687
1822	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
1823		2689
…		…
1843	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2710	my ($self) = @_;
1845		2711
1846	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
1847		2713
		2714	++$self->{_link_recursion};
		2715
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2717
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2719	if $self->map && $self->map->{path} ne "{link}";
1852		2720
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2722	}
1855		2723
1856	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
		2726
		2727	return unless $self->contr->active;
1858		2728
1859	my $link_pos = delete $self->{_link_pos};	2729	my $link_pos = delete $self->{_link_pos};
1860		2730
1861	unless ($map) {	2731	unless ($map) {
1862	# restore original map position	2732	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
1875		2745
1876	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
1879		2749
1880	$map->load;	2750	$map->load;
1881	$map->load_diag;	2751	$map->load_neighbours;
1882		2752
1883	return unless $self->contr->active;	2753	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2754
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
1888	}	2757	# entering was successful
1889		2758	delete $self->{_link_recursion};
1890	cf::player->attach (	2759	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2760	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2761	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2762
1904	# try to abort aborted map switching on player login :)	2763	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2764
1922	=item $player_object->goto ($path, $x, $y)	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		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
1924	=cut	2776	=cut
		2777
		2778	our $GOTOGEN;
1925		2779
1926	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
1927	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;
1928		2791
1929	$self->enter_link;	2792	$self->enter_link;
1930		2793
1931	(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
1932	my $map = eval {	2816	my $map = eval {
1933	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
		2818
		2819	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2832	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2833
		2834	if ($gen == $self->{_goto_generation}) {
		2835	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
		2837	}
		2838
		2839	$done->($self) if $done;
1940	})->prio (1);	2840	})->prio (1);
1941	}	2841	}
1942		2842
1943	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
1944		2844
…		…
1964	}	2864	}
1965		2865
1966	sub prepare_random_map {	2866	sub prepare_random_map {
1967	my ($exit) = @_;	2867	my ($exit) = @_;
1968		2868
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2871	# that depends on the exit object
1974		2872
1975	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2875	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
1982	}	2882	}
1983		2883
1984	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
1985		2885
1986	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
1989		2889
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2892	undef $fh;
1993	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
1994		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
1997	}	2901	}
1998	}	2902	}
1999		2903
2000	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
2002		2906
2003	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
2004		2908
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2909	$self->enter_link;
2017		2910
2018	(async {	2911	(async {
2019	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
2020	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
2021	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
2022		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
2023	1;	2935	1
2024	}) {	2936	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2941
2030	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2943	$self->leave_link;
2032	}	2944	}
2033	})->prio (1);	2945	})->prio (1);
2034	}	2946	}
2035		2947
…		…
2049		2961
2050	utf8::encode $text;	2962	utf8::encode $text;
2051	$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);
2052	}	2964	}
2053		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
2054	=item $client->ext_event ($type, %msg)	3153	=item $client->ext_msg ($type, @msg)
2055		3154
2056	Sends an exti event to the client.	3155	Sends an ext event to the client.
2057		3156
2058	=cut	3157	=cut
2059		3158
2060	sub cf::client::ext_event($$%) {	3159	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3160	my ($self, $type, @msg) = @_;
2062		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3165	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		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	}
2065	}	3186	}
2066		3187
2067	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2068		3189
2069	Queues a query to the client, calling the given callback with	3190	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		3193
2073	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
2074	reliable at some point in the future.	3195	become reliable at some point in the future.
2075		3196
2076	=cut	3197	=cut
2077		3198
2078	sub cf::client::query {	3199	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3200	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3208	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3209	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3210
2090	$self->send_packet ($self->{query_queue}[0][0])	3211	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3212	if @{ $self->{query_queue} } == 1;
		3213
		3214	1
2092	}	3215	}
2093		3216
2094	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
2095	on_reply => sub {	3223	on_reply => sub {
2096	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
2097		3225
2098	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
2099	# get handled first	3227	# get handled first
…		…
2111	} else {	3239	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3240	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3241	}
2114	}	3242	}
2115	},	3243	},
		3244	on_exticmd => sub {
		3245	my ($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	},
2116	);	3270	);
2117		3271
2118	=item $client->async (\&cb)	3272	=item $client->async (\&cb)
2119		3273
2120	Create a new coroutine, running the specified callback. The coroutine will	3274	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3290
2137	$coro	3291	$coro
2138	}	3292	}
2139		3293
2140	cf::client->attach (	3294	cf::client->attach (
2141	on_destroy => sub {	3295	on_client_destroy => sub {
2142	my ($ns) = @_;	3296	my ($ns) = @_;
2143		3297
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3299	},
2146	);	3300	);
…		…
2161	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2163		3317
2164	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2165		3319
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2167		3325
2168	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2169		3327
2170	=pod	3328	=pod
2171		3329
2172	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2173		3331
2174	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2175	cf::object::player player	3337	cf::object::player
2176	cf::player peaceful	3338	player
2177	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2178		3345
2179	=cut	3346	=cut
2180		3347
2181	for (	3348	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2186	) {	3355	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3358	for @funs;
2191	}	3359	}
2192		3360
…		…
2207		3375
2208	my $qcode = $code;	3376	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2211		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2212	local $_;	3383	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3384
2215	my $eval =	3385	my $eval =
2216	"do {\n"	3386	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3389	. $code
2220	. "\n}"	3390	. "\n}"
2221	;	3391	;
2222		3392
		3393	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2226		3402
2227	if ($@) {	3403	if ($@) {
2228	warn "$@";	3404	warn "$@",
2229	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2231	}	3407	}
2232		3408
2233	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2234	}	3410	}
2235		3411
…		…
2249	=cut	3425	=cut
2250		3426
2251	sub register_script_function {	3427	sub register_script_function {
2252	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2253		3429
2254	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2256	}	3432	}
2257		3433
2258	=back	3434	=back
2259		3435
2260	=cut	3436	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3437
2334	#############################################################################	3438	#############################################################################
2335	# the server's init and main functions	3439	# the server's init and main functions
2336		3440
2337	sub load_facedata {	3441	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3442	my ($path) = @_;
2339		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
2340	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2341		3451
2342	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2343	0 < aio_load $path, $facedata
2344	or die "$path: $!";
2345
2346	$facedata = Coro::Storable::thaw $facedata;
2347		3453
2348	$facedata->{version} == 2	3454	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3466	{
2352	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
2353		3468
2354	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3472	cf::face::set_visibility $idx, $info->{visibility};
		3473	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3477
		3478	cf::cede_to_tick;
2360	}	3479	}
2361		3480
2362	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2364	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
2365	or next;	3485	or next;
		3486
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
		3488	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3490	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3492	}
2371	Coro::cede;	3493
		3494	cf::cede_to_tick;
2372	}	3495	}
2373	}	3496	}
2374		3497
2375	{	3498	{
2376	my $anims = $facedata->{animinfo};	3499	my $anims = $facedata->{animinfo};
2377		3500
2378	while (my ($anim, $info) = each %$anims) {	3501	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3503	cf::cede_to_tick;
2381	}	3504	}
2382		3505
2383	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
2384	}	3507	}
2385		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
2386	1	3528	1
2387	}	3529	}
2388		3530
2389	our $archetypes_loaded;	3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
2390		3533
		3534	while (my ($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
2391	sub load_archetypes {	3568	sub reload_archetypes {
2392	return 1 if $archetypes_loaded++; # current can only load them once	3569	load_resource_file "$DATADIR/archetypes"
2393	load_archetype_file sprintf "%s/archetypes", cf::datadir	3570	or die "unable to load archetypes\n";
2394	}	3571	}
2395		3572
2396	sub load_treasures {	3573	sub reload_treasures {
2397	load_treasure_file sprintf "%s/treasures", cf::datadir	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 = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
2398	}	3596	}
2399		3597
2400	sub reload_resources {	3598	sub reload_resources {
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3599	trace "reloading resource files...\n";
2402	or die "unable to load regions file\n";	3600
		3601	reload_exp_table;
		3602	reload_materials;
2403	load_facedata	3603	reload_facedata;
2404	or die "unable to load facedata\n";	3604	reload_sound;
2405	load_archetypes	3605	reload_archetypes;
2406	or die "unable to load archetypes\n";	3606	reload_regions;
2407	load_treasures	3607	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409	}
2410		3608
2411	sub init {	3609	trace "finished reloading resource files\n";
2412	reload_resources;
2413	}	3610	}
2414		3611
2415	sub cfg_load {	3612	sub reload_config {
2416	open my $fh, "<:utf8", cf::confdir . "/config"	3613	trace "reloading config file...\n";
2417	or return;
2418		3614
2419	local $/;	3615	my $config = load_file "$CONFDIR/config";
2420	*CFG = YAML::Syck::Load <$fh>;	3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
2421		3618
2422	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2423		3620
2424	$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};
2425	$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};
2426		3623
2427	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2431	};	3628	};
2432	warn $@ if $@;	3629	warn $@ if $@;
2433	}	3630	}
2434	}	3631	}
2435		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
2436	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
2437	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2438	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2439	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#
2440	(async {	3674	(async {
2441	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2442	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2443	};	3678	};
2444		3679
2445	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;
2446	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
2447	load_extensions;	3703	load_extensions;
2448		3704
2449	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2450	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;
2451	}	3723	}
2452		3724
2453	#############################################################################	3725	#############################################################################
2454	# initialisation and cleanup	3726	# initialisation and cleanup
2455		3727
2456	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2457	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2458	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2459	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2460	reentrant => 0,
2461	data => WF_AUTOCANCEL,
2462	signal => $signal,
2463	prio => 0,
2464	cb => sub {
2465	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2466	},
2467	);	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
2468	}	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 };
2469	}	3824	}
2470		3825
2471	sub emergency_save() {	3826	sub emergency_save() {
2472	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2473		3828
2474	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;
2475		3835
2476	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2477	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2478	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2479	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2480	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2481	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2482	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2483	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2484	$pl->save;	3847	$pl->save;
2485	}	3848	}
2486	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2487		3850
2488	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";
2489	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2490	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2491	$map->valid or next;	3856	$map->valid or next;
2492	$map->save;	3857	$map->save;
2493	}	3858	}
2494	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
2495		3860
2496	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";
2497	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
2498	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 $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2499	};	3889	};
2500		3890
2501	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2502	}	3892	}
2503		3893
2504	sub post_cleanup {	3894	sub post_cleanup {
2505	my ($make_core) = @_;	3895	my ($make_core) = @_;
2506		3896
		3897	IO::AIO::flush;
		3898
2507	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
2508	if $make_core;	3900	if $make_core;
2509	}
2510		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
2511	sub reload() {	3931	sub do_reload_perl() {
2512	# can/must only be called in main	3932	# can/must only be called in main
2513	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2514	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2515	return;	3935	return;
2516	}	3936	}
2517		3937
2518	warn "reloading...";	3938	return if $RELOAD++;
2519		3939
2520	warn "entering sync_job";	3940	my $t1 = AE::time;
2521		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
2522	cf::sync_job {	3948	cf::sync_job {
2523	cf::write_runtime; # external watchdog should not bark
2524	cf::emergency_save;	3949	#cf::emergency_save;
2525	cf::write_runtime; # external watchdog should not bark
2526		3950
2527	warn "syncing database to disk";
2528	BDB::db_env_txn_checkpoint $DB_ENV;
2529
2530	# if anything goes wrong in here, we should simply crash as we already saved
2531
2532	warn "cancelling all WF_AUTOCANCEL watchers";
2533	for (Event::all_watchers) {
2534	$_->cancel if $_->data & WF_AUTOCANCEL;
2535	}
2536
2537	warn "flushing outstanding aio requests";
2538	for (;;) {
2539	BDB::flush;
2540	IO::AIO::flush;
2541	Coro::cede;
2542	last unless IO::AIO::nreqs || BDB::nreqs;
2543	warn "iterate...";
2544	}
2545
2546	++$RELOAD;
2547
2548	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2549	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2550	%EXT_CORO = ();	3953	%EXT_CORO = ();
2551		3954
2552	warn "removing commands";	3955	trace "perl_reload: removing commands";
2553	%COMMAND = ();	3956	%COMMAND = ();
2554		3957
2555	warn "removing ext commands";	3958	trace "perl_reload: removing ext/exti commands";
2556	%EXTCMD = ();	3959	%EXTCMD = ();
		3960	%EXTICMD = ();
2557		3961
2558	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2559	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2560	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2561		3965
2562	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2563	eval {	3967	eval {
2564	$cb->($pkg);	3968	$cb->($pkg);
2565	1	3969	1
2566	} 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;
2567	}	3975	}
2568		3976
2569	warn "... nuking $pkg";
2570	Symbol::delete_package $pkg;
2571	}
2572
2573	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2574	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2575	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2576		3980
2577	warn "... unloading $k";	3981	trace "... unloading $k";
2578	delete $INC{$k};	3982	delete $INC{$k};
2579		3983
2580	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2581	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2582		3986
2583	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2584	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2585	}	3992	}
2586		3993
2587	Symbol::delete_package $k;
2588	}
2589
2590	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2591	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2592	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);
2593		3997
2594	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2595	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
		4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2596		4001
2597	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2598	# and global variables created in xs	4003	# and global variables created in xs
2599	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2600		4005
2601	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2602		4007
2603	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2604	require cf;	4009	require cf;
2605	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2606		4011
2607	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2608	cf::cfg_load;	4013	cf::reload_config;
2609		4014
2610	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2611	cf::load_extensions;	4016	cf::load_extensions;
2612		4017
		4018	if ($REATTACH_ON_RELOAD) {
2613	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2614	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
2615	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2616	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
2617	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
2618	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
2619		4026
2620	warn "loading reloadable resources";	4027	cf::_post_init 1;
2621	reload_resources;
2622		4028
2623	warn "leaving sync_job";	4029	trace "perl_reload: leaving sync_job";
2624		4030
2625	1	4031	1
2626	} or do {	4032	} or do {
2627	warn $@;	4033	error $@;
2628	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
2629	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	};
2630	};	4057	};
2631		4058	}
2632	warn "reloaded";
2633	};
2634
2635	our $RELOAD_WATCHER; # used only during reload
2636		4059
2637	register_command "reload" => sub {	4060	register_command "reload" => sub {
2638	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
2639		4062
2640	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
2641	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
2642		4065	async {
2643	# doing reload synchronously and two reloads happen back-to-back,	4066	$Coro::current->{desc} = "perl_reload";
2644	# coro crashes during coro_state_free->destroy here.
2645
2646	$RELOAD_WATCHER ||= Event->timer (
2647	reentrant => 0,
2648	after => 0,
2649	data => WF_AUTOCANCEL,
2650	cb => sub {
2651	reload;	4067	reload_perl;
2652	undef $RELOAD_WATCHER;
2653	},
2654	);	4068	};
2655	}	4069	}
2656	};	4070	};
2657		4071
2658	unshift @INC, $LIBDIR;	4072	#############################################################################
2659		4073
2660	my $bug_warning = 0;	4074	my $bug_warning = 0;
2661		4075
2662	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
2663	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
2664		4078
2665	sub wait_for_tick {	4079	sub wait_for_tick() {
2666	return unless $TICK_WATCHER->is_active;
2667	return if $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2668		4081
2669	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
2670	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
2671	$signal->wait;	4084	$signal->wait;
2672	}	4085	}
2673		4086
2674	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2677		4089
2678	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
2680	$signal->wait;	4092	$signal->wait;
2681	}	4093	}
2682		4094
2683	$TICK_WATCHER = Event->timer (	4095	sub tick {
2684	reentrant => 0,
2685	parked => 1,
2686	prio => 0,
2687	at => $NEXT_TICK || $TICK,
2688	data => WF_AUTOCANCEL,
2689	cb => sub {
2690	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2691	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"
2692	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2693	return;	4099	return;
2694	}	4100	}
2695		4101
2696	$NOW = Event::time;
2697
2698	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
2699	$RUNTIME += $TICK;
2700	$NEXT_TICK += $TICK;
2701		4103
		4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4105
2702	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2703	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2704	Coro::async_pool {	4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
2705	write_runtime	4110	write_runtime_sync
2706	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
2707	};
2708	}	4112	};
		4113	}
2709		4114
2710	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2711	$sig->send;	4116	$sig->send;
2712	}	4117	}
2713	while (my $sig = shift @WAIT_FOR_TICK) {	4118	while (my $sig = shift @WAIT_FOR_TICK) {
2714	$sig->send;	4119	$sig->send;
2715	}
2716
2717	# my $AFTER = Event::time;
2718	# warn $AFTER - $NOW;#d#
2719
2720	# if we are delayed by four ticks or more, skip them all
2721	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2722
2723	$TICK_WATCHER->at ($NEXT_TICK);
2724	$TICK_WATCHER->start;
2725	},	4120	}
2726	);	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	}
2727		4133
2728	{	4134	{
2729	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2730	$BDB_POLL_WATCHER = Event->io (	4136
2731	reentrant => 0,
2732	fd => BDB::poll_fileno,
2733	poll => 'r',
2734	prio => 0,
2735	data => WF_AUTOCANCEL,
2736	cb => \&BDB::poll_cb,
2737	);
2738	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2739		4138	BDB::max_poll_reqs $TICK * 0.1;
2740	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
2741	my $status;
2742	my $current = $Coro::current;
2743	(
2744	sub {
2745	$status = $!;
2746	$current->ready; undef $current;
2747	},
2748	sub {
2749	Coro::schedule while defined $current;
2750	$! = $status;
2751	},
2752	)
2753	};
2754		4140
2755	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2756	$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);
2757		4148
2758	cf::sync_job {	4149	cf::sync_job {
2759	eval {	4150	eval {
2760	BDB::db_env_open	4151	BDB::db_env_open
2761	$DB_ENV,	4152	$DB_ENV,
2762	$BDB_ENV_DIR,	4153	$BDBDIR,
2763	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
2764	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2765	0666;	4156	0666;
2766		4157
2767	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2768
2769	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2770	$DB_ENV->set_lk_detect;
2771	};	4159	};
2772		4160
2773	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2774	};	4162	};
2775	}	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	};
2776	}	4174	}
2777		4175
2778	{	4176	{
		4177	# configure IO::AIO
		4178
2779	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2780
2781	undef $Coro::AIO::WATCHER;
2782	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2783	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	fd => IO::AIO::poll_fileno,
2787	poll => 'r',
2788	prio => 6,
2789	cb => \&IO::AIO::poll_cb,
2790	);
2791	}	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;
2792		4234
2793	END { cf::emergency_save }	4235	END { cf::emergency_save }
2794		4236
2795	1	4237	1
2796		4238

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines