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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC vs.
Revision 1.570 by root, Wed May 4 07:41:14 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
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;
1382		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1383	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1384		2070
1385	1	2071	1
1386	}	2072	}
1387		2073
		2074	# used to laod the header of an original map
1388	sub load_header_orig {	2075	sub load_header_orig {
1389	my ($self) = @_;	2076	my ($self) = @_;
1390		2077
1391	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1392	}	2079	}
1393		2080
		2081	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2082	sub load_header_temp {
1395	my ($self) = @_;	2083	my ($self) = @_;
1396		2084
1397	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1398	}	2086	}
1399		2087
		2088	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2089	sub prepare_temp {
1401	my ($self) = @_;	2090	my ($self) = @_;
1402		2091
1403	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1405	# safety	2094	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2097	}
1409		2098
		2099	# called after loading the header from an original map
1410	sub prepare_orig {	2100	sub prepare_orig {
1411	my ($self) = @_;	2101	my ($self) = @_;
1412		2102
1413	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2115	$self->load_header_orig
1426	or return;	2116	or return;
1427	$self->prepare_orig;	2117	$self->prepare_orig;
1428	}	2118	}
1429		2119
		2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
		2122
1430	$self->default_region (cf::region::find_by_path $self->{path})	2123	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2124	unless $self->default_region;
1432		2125
1433	1	2126	1
1434	}	2127	}
1435		2128
1436	sub find;	2129	sub find;
1437	sub find {	2130	sub find {
1438	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1439		2132
		2133	cf::cede_to_tick;
		2134
1440	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1441		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2139
1444	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1447	or return;	2142	or return;
1448		2143
1449	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1450		2145
1451	$map->load_header	2146	$map->load_header
1452	or return;	2147	or return;
1453		2148
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1457	$map->reset;	2154	$map->reset;
1458	undef $guard;
1459	return find $path;	2155	return find $path;
1460	}	2156	}
1461		2157
1462	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1463	}	2159	}
1464	}	2160	}
1465		2161
1466	sub pre_load { }	2162	sub pre_load { }
1467	sub post_load { }	2163	#sub post_load { } # XS
1468		2164
1469	sub load {	2165	sub load {
1470	my ($self) = @_;	2166	my ($self) = @_;
1471		2167
1472	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1473		2169
1474	my $path = $self->{path};	2170	my $path = $self->{path};
		2171
		2172	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1476		2174
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2175	return unless $self->valid;
		2176	return unless $self->state == cf::MAP_SWAPPED;
1478		2177
1479	$self->in_memory (cf::MAP_LOADING);
1480
1481	$self->alloc;	2178	$self->alloc;
1482		2179
1483	$self->pre_load;	2180	$self->pre_load;
1484	Coro::cede;	2181	cf::cede_to_tick;
1485		2182
1486	$self->_load_objects ($self->{load_path}, 1)	2183	if (exists $self->{load_path}) {
		2184	my $f = new_from_file cf::object::thawer $self->{load_path};
		2185	$f->skip_block;
		2186	$self->_load_objects ($f)
1487	or return;	2187	or return;
1488		2188
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1490	if delete $self->{load_original};	2190	if delete $self->{load_original};
1491		2191
1492	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2193	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2194	unless (aio_stat $uniq) {
		2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2196	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2197	$self->_load_objects ($f);
		2198	$f->resolve_delayed_derefs;
		2199	}
		2200	}
1497	}	2201	}
1498	}
1499		2202
1500	Coro::cede;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
		2208
		2209	$self->state (cf::MAP_INACTIVE);
		2210
		2211	cf::cede_to_tick;
1501	# now do the right thing for maps	2212	# now do the right thing for maps
1502	$self->link_multipart_objects;	2213	$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)	2214	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2215	unless $self->difficulty;
1513	Coro::cede;	2216	cf::cede_to_tick;
1514	$self->activate;	2217
1515	Coro::cede;	2218	unless ($self->{deny_activate}) {
		2219	$self->decay_objects;
		2220	$self->fix_auto_apply;
		2221	$self->update_buttons;
		2222	cf::cede_to_tick;
		2223	#$self->activate; # no longer activate maps automatically
		2224	}
		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
1516	}	2228	}
1517		2229
1518	$self->post_load;	2230	$self->post_load;
1519	Coro::cede;
1520		2231
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2232	1
1522	}	2233	}
1523		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2238	sub customise_for {
1525	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
1526		2240
1527	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2242	if $self->per_player;
1529		2243
		2244	# return find "?party/" . $ob->name . "/" . $self->{path}
		2245	# if $self->per_party;
		2246
1530	$self	2247	$self
1531	}	2248	}
1532		2249
1533	# find and load all maps in the 3x3 area around a map	2250	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2251	sub load_neighbours {
1535	my ($map) = @_;	2252	my ($map) = @_;
1536		2253
1537	my @diag; # diagonal neighbours	2254	my @neigh; # diagonal neighbours
1538		2255
1539	for (0 .. 3) {	2256	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2257	my $neigh = $map->tile_path ($_)
1541	or next;	2258	or next;
1542	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
1543	or next;	2260	or next;
1544	$neigh->load;	2261	$neigh->load;
1545		2262
		2263	# now find the diagonal neighbours
		2264	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2267	}
1549		2268
1550	for (@diag) {	2269	for (grep defined $_->[0], @neigh) {
		2270	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2271	my $neigh = find $path, $origin
1552	or next;	2272	or next;
1553	$neigh->load;	2273	$neigh->load;
1554	}	2274	}
1555	}	2275	}
1556		2276
1557	sub find_sync {	2277	sub find_sync {
1558	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
1559		2279
1560	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
1561	}	2285	}
1562		2286
1563	sub do_load_sync {	2287	sub do_load_sync {
1564	my ($map) = @_;	2288	my ($map) = @_;
1565		2289
1566	cf::sync_job { $map->load };	2290	# it's a bug to call this from the main context
		2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1567	}	2295	}
1568		2296
1569	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1571		2299
1572	sub find_async {	2300	sub find_async {
1573	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1574		2302
1575	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1576		2304
1577	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->linkable;
1579	}	2307	}
1580		2308
1581	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1582	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1583	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2316	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2317	$map->load if $v;
		2318	}
1588		2319
1589	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1590	}	2321	}
1591	}	2322	}
1592	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1593	};	2324	};
1594	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1595		2326
1596	()	2327	()
1597	}	2328	}
1598		2329
		2330	# common code, used by both ->save and ->swapout
1599	sub save {	2331	sub _save {
1600	my ($self) = @_;	2332	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2333
1604	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1605		2335
1606	return unless $self->dirty;	2336	return unless $self->dirty;
1607		2337
…		…
1613	return if $self->{deny_save};	2343	return if $self->{deny_save};
1614		2344
1615	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1616		2346
1617	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1619	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1620		2353
1621	if ($uniq) {	2354	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2357	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2359	}
1627	}	2360	}
1628		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1629	sub swap_out {	2370	sub swap_out {
1630	my ($self) = @_;	2371	my ($self) = @_;
1631		2372
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
1637	return if $self->players;	2377	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->state (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1641	$self->clear;	2388	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2389	}
1644		2390
1645	sub reset_at {	2391	sub reset_at {
1646	my ($self) = @_;	2392	my ($self) = @_;
1647		2393
1648	# TODO: safety, remove and allow resettable per-player maps	2394	# 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};	2395	return 1e99 if $self->{deny_reset};
1651		2396
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2399
…		…
1665	my ($self) = @_;	2410	my ($self) = @_;
1666		2411
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2413
1669	return if $self->players;	2414	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2415
1672	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
1673		2417
1674	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->state (cf::MAP_SWAPPED);
1675		2419
1676	# need to save uniques path	2420	# need to save uniques path
1677	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
1678	my $uniq = $self->uniq_path; utf8::encode $uniq;	2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
1679		2423
…		…
1681	if $uniq;	2425	if $uniq;
1682	}	2426	}
1683		2427
1684	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1685		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2432	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2433
1690	$self->unlink_save;	2434	$self->unlink_save;
1691	$self->destroy;	2435	$self->destroy;
1692	}	2436	}
1693		2437
1694	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1695		2439
1696	sub nuke {	2440	sub nuke {
1697	my ($self) = @_;	2441	my ($self) = @_;
1698		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1699	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1700		2447
1701	$self->unlink_save;	2448	$self->unlink_save;
1702		2449
1703	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2455
1709	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1710		2458
1711	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
		2460	}
		2461
		2462	=item $maps = cf::map::tmp_maps
		2463
		2464	Returns an arrayref with all map paths of currently instantiated and saved
		2465	maps. May block.
		2466
		2467	=cut
		2468
		2469	sub tmp_maps() {
		2470	[
		2471	map {
		2472	utf8::decode $_;
		2473	/\.map$/
		2474	? normalise $_
		2475	: ()
		2476	} @{ aio_readdir $TMPDIR or [] }
		2477	]
		2478	}
		2479
		2480	=item $maps = cf::map::random_maps
		2481
		2482	Returns an arrayref with all map paths of currently instantiated and saved
		2483	random maps. May block.
		2484
		2485	=cut
		2486
		2487	sub random_maps() {
		2488	[
		2489	map {
		2490	utf8::decode $_;
		2491	/\.map$/
		2492	? normalise "?random/$_"
		2493	: ()
		2494	} @{ aio_readdir $RANDOMDIR or [] }
		2495	]
1712	}	2496	}
1713		2497
1714	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1715		2499
1716	Returns an arrayref of paths of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2501	instantiated unique items. May block.
1718		2502
1719	=cut	2503	=cut
1720		2504
1721	sub unique_maps() {	2505	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2506	[
1723	or return;	2507	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2508	utf8::decode $_;
1729	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2511	? ()
1732	push @paths, cf::map::normalise $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2514	]
1734
1735	\@paths
1736	}	2515	}
1737		2516
1738	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1739		2548
1740	=back	2549	=back
1741		2550
1742	=head3 cf::object	2551	=head3 cf::object
1743		2552
…		…
1747		2556
1748	=over 4	2557	=over 4
1749		2558
1750	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1751		2560
1752	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
1753		2563
1754	=cut	2564	=cut
1755		2565
1756	sub inv_recursive_;	2566	sub inv_recursive_;
1757	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1760		2570
1761	sub inv_recursive {	2571	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1763	}	2573	}
1764		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
1765	package cf;	2603	package cf;
1766		2604
1767	=back	2605	=back
1768		2606
1769	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	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	2614	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1778		2616
1779	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
1780		2632
1781	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2634	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1786		2638
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2640
1789	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1791	} else {	2644	} else {
		2645	my $pl = $self->contr;
		2646
		2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2648	my $dialog = $pl->{npc_dialog};
		2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2650
		2651	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1794	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
1795	}	2666	}
1796		2667
1797	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1798		2669
1799	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1812		2683
1813	=item $player_object->enter_link	2684	=item $player_object->enter_link
1814		2685
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2687
1817	The player should be reasonably safe there for short amounts of time. You	2688	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.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
1819		2692
1820	Will never block.	2693	Will never block.
1821		2694
1822	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1823		2696
…		…
1843	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2717	my ($self) = @_;
1845		2718
1846	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1847		2720
		2721	++$self->{_link_recursion};
		2722
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2724
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1852		2727
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2729	}
1855		2730
1856	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1858		2735
1859	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1860		2737
1861	unless ($map) {	2738	unless ($map) {
1862	# restore original map position	2739	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1875		2752
1876	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1879		2756
1880	$map->load;	2757	$map->load;
1881	$map->load_diag;	2758	$map->load_neighbours;
1882		2759
1883	return unless $self->contr->active;	2760	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2761
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
1888	}	2764	# entering was successful
1889		2765	delete $self->{_link_recursion};
1890	cf::player->attach (	2766	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2767	$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	},	2768	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2769
1904	# try to abort aborted map switching on player login :)	2770	}
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		2771
1922	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2773
		2774	Moves the player to the given map-path and coordinates by first freezing
		2775	her, loading and preparing them map, calling the provided $check callback
		2776	that has to return the map if sucecssful, and then unfreezes the player on
		2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
1924	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1925		2786
1926	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
		2796	# do generation counting so two concurrent goto's will be executed in-order
		2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2798
1929	$self->enter_link;	2799	$self->enter_link;
1930		2800
1931	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
1932	my $map = eval {	2823	my $map = eval {
1933	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2825
		2826	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2827	$map = $map->customise_for ($self);
		2828	$map = $check->($map, $x, $y, $self) if $check && $map;
		2829	} else {
		2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	}
		2832
1935	$map	2833	$map
		2834	};
		2835
		2836	if ($@) {
		2837	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2838	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2839	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2840
		2841	if ($gen == $self->{_goto_generation}) {
		2842	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1940	})->prio (1);	2847	})->prio (1);
1941	}	2848	}
1942		2849
1943	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
1944		2851
…		…
1964	}	2871	}
1965		2872
1966	sub prepare_random_map {	2873	sub prepare_random_map {
1967	my ($exit) = @_;	2874	my ($exit) = @_;
1968		2875
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2878	# that depends on the exit object
1974		2879
1975	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2882	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
1982	}	2889	}
1983		2890
1984	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
1985		2892
1986	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
1989		2896
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2899	undef $fh;
1993	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
1994		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
1997	}	2908	}
1998	}	2909	}
1999		2910
2000	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2002		2913
2003	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2004		2915
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;	2916	$self->enter_link;
2017		2917
2018	(async {	2918	(async {
2019	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2020	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	$map = $exit->slaying;
		2939
		2940	} elsif ($slaying eq '!up') {
		2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
2021	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2022		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2023	1;	2957	1
2024	}) {	2958	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2963
2030	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2965	$self->leave_link;
2032	}	2966	}
2033	})->prio (1);	2967	})->prio (1);
2034	}	2968	}
2035		2969
…		…
2049		2983
2050	utf8::encode $text;	2984	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2986	}
2053		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
		3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3014
		3015	Send a drawinfo or msg packet to the client, formatting the msg for the
		3016	client if neccessary. C<$type> should be a string identifying the type of
		3017	the message, with C<log> being the default. If C<$color> is negative, suppress
		3018	the message unless the client supports the msg packet.
		3019
		3020	=cut
		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
		3136	sub cf::client::send_msg {
		3137	my ($self, $channel, $msg, $color, @extra) = @_;
		3138
		3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
2054	=item $client->ext_event ($type, %msg)	3175	=item $client->ext_msg ($type, @msg)
2055		3176
2056	Sends an exti event to the client.	3177	Sends an ext event to the client.
2057		3178
2058	=cut	3179	=cut
2059		3180
2060	sub cf::client::ext_event($$%) {	3181	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3182	my ($self, $type, @msg) = @_;
2062		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3187	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
2065	}	3208	}
2066		3209
2067	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2068		3211
2069	Queues a query to the client, calling the given callback with	3212	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>,	3213	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>.	3214	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3215
2073	Queries can fail, so check the return code. Or don't, as queries will become	3216	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3217	become reliable at some point in the future.
2075		3218
2076	=cut	3219	=cut
2077		3220
2078	sub cf::client::query {	3221	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3230	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3232
2090	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
2092	}	3237	}
2093		3238
2094	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
2095	on_reply => sub {	3245	on_reply => sub {
2096	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
2097		3247
2098	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
2099	# get handled first	3249	# get handled first
…		…
2111	} else {	3261	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3263	}
2114	}	3264	}
2115	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($ns, $buf) = @_;
		3268
		3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3270
		3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
		3279	if (my $cb = $EXTICMD{$type}) {
		3280	@reply = $cb->($ns, @payload);
		3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
		3286	} else {
		3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3288	}
		3289
		3290	cf::override;
		3291	},
2116	);	3292	);
2117		3293
2118	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
2119		3295
2120	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3312
2137	$coro	3313	$coro
2138	}	3314	}
2139		3315
2140	cf::client->attach (	3316	cf::client->attach (
2141	on_destroy => sub {	3317	on_client_destroy => sub {
2142	my ($ns) = @_;	3318	my ($ns) = @_;
2143		3319
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3321	},
2146	);	3322	);
…		…
2161	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2163		3339
2164	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2165		3341
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2167		3347
2168	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2169		3349
2170	=pod	3350	=pod
2171		3351
2172	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2173		3353
2174	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2175	cf::object::player player	3359	cf::object::player
2176	cf::player peaceful	3360	player
2177	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2178		3367
2179	=cut	3368	=cut
2180		3369
2181	for (	3370	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2186	) {	3377	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3380	for @funs;
2191	}	3381	}
2192		3382
…		…
2207		3397
2208	my $qcode = $code;	3398	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2211		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2212	local $_;	3405	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3406
2215	my $eval =	3407	my $eval =
2216	"do {\n"	3408	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3411	. $code
2220	. "\n}"	3412	. "\n}"
2221	;	3413	;
2222		3414
		3415	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2226		3424
2227	if ($@) {	3425	if ($@) {
2228	warn "$@";	3426	warn "$@",
2229	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2231	}	3429	}
2232		3430
2233	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2234	}	3432	}
2235		3433
…		…
2249	=cut	3447	=cut
2250		3448
2251	sub register_script_function {	3449	sub register_script_function {
2252	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2253		3451
2254	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2256	}	3454	}
2257		3455
2258	=back	3456	=back
2259		3457
2260	=cut	3458	=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 $_[2], 0, sub { };
2332	}
2333		3459
2334	#############################################################################	3460	#############################################################################
2335	# the server's init and main functions	3461	# the server's init and main functions
2336		3462
2337	sub load_facedata {	3463	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3464	my ($path) = @_;
2339		3465
		3466	# HACK to clear player env face cache, we need some signal framework
		3467	# for this (global event?)
		3468	%ext::player_env::MUSIC_FACE_CACHE = ();
		3469
		3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3471
2340	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
2341		3473
2342	my $facedata;	3474	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		3475
2348	$facedata->{version} == 2	3476	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3478
		3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3481	$facedata->{resource}{"res/exp_table"} = {
		3482	type => FT_RSRC,
		3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
		3485	};
		3486	cf::cede_to_tick;
		3487
2351	{	3488	{
2352	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
2353		3490
2354	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3499
		3500	cf::cede_to_tick;
2360	}	3501	}
2361		3502
2362	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
2364	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
2365	or next;	3507	or next;
		3508
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3512	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3514	}
2371	Coro::cede;	3515
		3516	cf::cede_to_tick;
2372	}	3517	}
2373	}	3518	}
2374		3519
2375	{	3520	{
2376	my $anims = $facedata->{animinfo};	3521	my $anims = $facedata->{animinfo};
2377		3522
2378	while (my ($anim, $info) = each %$anims) {	3523	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3525	cf::cede_to_tick;
2381	}	3526	}
2382		3527
2383	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
2384	}	3529	}
2385		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
2386	1	3550	1
2387	}	3551	}
2388		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
		3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
		3576	load_resource_file "$MAPDIR/regions"
		3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
		3583	}
		3584
		3585	sub reload_facedata {
		3586	load_facedata "$DATADIR/facedata"
		3587	or die "unable to load facedata\n";
		3588	}
		3589
		3590	sub reload_archetypes {
		3591	load_resource_file "$DATADIR/archetypes"
		3592	or die "unable to load archetypes\n";
		3593	}
		3594
		3595	sub reload_treasures {
		3596	load_resource_file "$DATADIR/treasures"
		3597	or die "unable to load treasurelists\n";
		3598	}
		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
2389	sub reload_resources {	3620	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3621	trace "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3622
		3623	reload_exp_table;
		3624	reload_materials;
2392	load_facedata	3625	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3626	reload_sound;
2394	}	3627	reload_archetypes;
2395
2396	sub init {
2397	reload_resources;	3628	reload_regions;
2398	}	3629	reload_treasures;
2399		3630
2400	sub cfg_load {	3631	trace "finished reloading resource files\n";
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3632	}
2402	or return;
2403		3633
2404	local $/;	3634	sub reload_config {
2405	*CFG = YAML::Syck::Load <$fh>;	3635	trace "reloading config file...\n";
2406		3636
		3637	my $config = load_file "$CONFDIR/config";
		3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
		3640
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2408		3642
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2411		3645
2412	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2416	};	3650	};
2417	warn $@ if $@;	3651	warn $@ if $@;
2418	}	3652	}
2419	}	3653	}
2420		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
2421	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2422	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3696	(async {
2426	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2428	};	3700	};
2429		3701
2430	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
2431	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2432	load_extensions;	3725	load_extensions;
2433		3726
2434	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2435	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2436	}	3745	}
2437		3746
2438	#############################################################################	3747	#############################################################################
2439	# initialisation and cleanup	3748	# initialisation and cleanup
2440		3749
2441	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2442	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2451	},
2452	);	3756	};
		3757	}
		3758	}
		3759
		3760	sub write_runtime_sync {
		3761	my $t0 = AE::time;
		3762
		3763	# first touch the runtime file to show we are still running:
		3764	# the fsync below can take a very very long time.
		3765
		3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3767
		3768	my $guard = cf::lock_acquire "write_runtime";
		3769
		3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3771	or return;
		3772
		3773	my $value = $cf::RUNTIME + 90 + 10;
		3774	# 10 is the runtime save interval, for a monotonic clock
		3775	# 60 allows for the watchdog to kill the server.
		3776
		3777	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3778	and return;
		3779
		3780	# always fsync - this file is important
		3781	aio_fsync $fh
		3782	and return;
		3783
		3784	# touch it again to show we are up-to-date
		3785	aio_utime $fh, undef, undef;
		3786
		3787	close $fh
		3788	or return;
		3789
		3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3791	and return;
		3792
		3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3794
2453	}	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2454	}	3846	}
2455		3847
2456	sub emergency_save() {	3848	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2458		3850
2459	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2460		3857
2461	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2462	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2463	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2464	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2466	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3869	$pl->save;
2470	}	3870	}
2471	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2472		3872
2473	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2474	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2475	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2476	$map->valid or next;	3878	$map->valid or next;
2477	$map->save;	3879	$map->save;
2478	}	3880	}
2479	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2480		3882
2481	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2484	};	3911	};
2485		3912
2486	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2487	}	3914	}
2488		3915
2489	sub post_cleanup {	3916	sub post_cleanup {
2490	my ($make_core) = @_;	3917	my ($make_core) = @_;
2491		3918
		3919	IO::AIO::flush;
		3920
2492	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3922	if $make_core;
2494	}
2495		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
		3951	}
		3952
2496	sub reload() {	3953	sub do_reload_perl() {
2497	# can/must only be called in main	3954	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2499	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2500	return;	3957	return;
2501	}	3958	}
2502		3959
2503	warn "reloading...";	3960	return if $RELOAD++;
2504		3961
2505	warn "entering sync_job";	3962	my $t1 = AE::time;
2506		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
2507	cf::sync_job {	3970	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark
2509	cf::emergency_save;	3971	#cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark
2511		3972
2512	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;
2514
2515	# if anything goes wrong in here, we should simply crash as we already saved
2516
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();	3975	%EXT_CORO = ();
2536		3976
2537	warn "removing commands";	3977	trace "perl_reload: removing commands";
2538	%COMMAND = ();	3978	%COMMAND = ();
2539		3979
2540	warn "removing ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2541	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2542		3983
2543	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2546		3987
2547	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2548	eval {	3989	eval {
2549	$cb->($pkg);	3990	$cb->($pkg);
2550	1	3991	1
2551	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2552	}	3997	}
2553		3998
2554	warn "... nuking $pkg";
2555	Symbol::delete_package $pkg;
2556	}
2557
2558	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2559	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		4002
2562	warn "... unloading $k";	4003	trace "... unloading $k";
2563	delete $INC{$k};	4004	delete $INC{$k};
2564		4005
2565	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2567		4008
2568	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2569	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2570	}	4014	}
2571		4015
2572	Symbol::delete_package $k;
2573	}
2574
2575	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		4019
2579	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
		4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2581		4023
2582	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2583	# and global variables created in xs	4025	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2585		4027
2586	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2587		4029
2588	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2589	require cf;	4031	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2591		4033
2592	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2593	cf::cfg_load;	4035	cf::reload_config;
2594		4036
2595	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2596	cf::load_extensions;	4038	cf::load_extensions;
2597		4039
		4040	if ($REATTACH_ON_RELOAD) {
2598	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2601	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
2604		4048
2605	warn "loading reloadable resources";	4049	cf::_post_init 1;
2606	reload_resources;
2607		4050
2608	warn "leaving sync_job";	4051	trace "perl_reload: leaving sync_job";
2609		4052
2610	1	4053	1
2611	} or do {	4054	} or do {
2612	warn $@;	4055	error $@;
2613	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
2614	exit 1;	4057	};
		4058
		4059	--$RELOAD;
		4060	}
		4061
		4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
		4064	};
		4065
		4066	our $RELOAD_WATCHER; # used only during reload
		4067
		4068	sub reload_perl() {
		4069	# doing reload synchronously and two reloads happen back-to-back,
		4070	# coro crashes during coro_state_free->destroy here.
		4071
		4072	$RELOAD_WATCHER ||= cf::async {
		4073	Coro::AIO::aio_wait cache_extensions;
		4074
		4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4076	do_reload_perl;
		4077	undef $RELOAD_WATCHER;
		4078	};
2615	};	4079	};
2616		4080	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		4081
2622	register_command "reload" => sub {	4082	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2624		4084
2625	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
2627		4087	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	4088	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	4089	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	4090	};
2640	}	4091	}
2641	};	4092	};
2642		4093
2643	unshift @INC, $LIBDIR;	4094	#############################################################################
2644		4095
2645	my $bug_warning = 0;	4096	my $bug_warning = 0;
2646		4097
2647	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
2649		4100
2650	sub wait_for_tick {	4101	sub wait_for_tick() {
		4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4103
2651	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
2652	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;	4106	$signal->wait;
2654	}	4107	}
2655		4108
2656	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
		4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4111
2657	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	4114	$signal->wait;
2660	}	4115	}
2661		4116
2662	$TICK_WATCHER = Event->timer (	4117	sub tick {
2663	reentrant => 0,
2664	parked => 1,
2665	prio => 0,
2666	at => $NEXT_TICK || $TICK,
2667	data => WF_AUTOCANCEL,
2668	cb => sub {
2669	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
2672	return;	4121	return;
2673	}	4122	}
2674		4123
2675	$NOW = Event::time;
2676
2677	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2678	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;
2680		4125
		4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4127
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2683	Coro::async_pool {	4130	Coro::async_pool {
		4131	$Coro::current->{desc} = "runtime saver";
2684	write_runtime	4132	write_runtime_sync
2685	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2686	};
2687	}	4134	};
		4135	}
2688		4136
2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690	$sig->send;	4138	$sig->send;
2691	}	4139	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;	4141	$sig->send;
2694	}
2695
2696	# my $AFTER = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698
2699	# if we are delayed by four ticks or more, skip them all
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2701
2702	$TICK_WATCHER->at ($NEXT_TICK);
2703	$TICK_WATCHER->start;
2704	},	4142	}
2705	);	4143
		4144	$LOAD = ($NOW - $TICK_START) / $TICK;
		4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4146
		4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
		4153	}
		4154	}
2706		4155
2707	{	4156	{
2708	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
2709	$BDB_POLL_WATCHER = Event->io (	4158
2710	reentrant => 0,
2711	fd => BDB::poll_fileno,
2712	poll => 'r',
2713	prio => 0,
2714	data => WF_AUTOCANCEL,
2715	cb => \&BDB::poll_cb,
2716	);
2717	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
2718		4160	BDB::max_poll_reqs $TICK * 0.1;
2719	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
2720	my $status;
2721	my $current = $Coro::current;
2722	(
2723	sub {
2724	$status = $!;
2725	$current->ready; undef $current;
2726	},
2727	sub {
2728	Coro::schedule while defined $current;
2729	$! = $status;
2730	},
2731	)
2732	};
2733		4162
2734	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
2735	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2736		4170
2737	cf::sync_job {	4171	cf::sync_job {
2738	eval {	4172	eval {
2739	BDB::db_env_open	4173	BDB::db_env_open
2740	$DB_ENV,	4174	$DB_ENV,
2741	$BDB_ENV_DIR,	4175	$BDBDIR,
2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	4178	0666;
2745		4179
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;
2750	};	4181	};
2751		4182
2752	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
2753	};	4184	};
2754	}	4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
2755	}	4196	}
2756		4197
2757	{	4198	{
		4199	# configure IO::AIO
		4200
2758	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
2759
2760	undef $Coro::AIO::WATCHER;
2761	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
2762	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
2763	reentrant => 0,
2764	data => WF_AUTOCANCEL,
2765	fd => IO::AIO::poll_fileno,
2766	poll => 'r',
2767	prio => 6,
2768	cb => \&IO::AIO::poll_cb,
2769	);
2770	}	4204	}
		4205
		4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
		4208
		4209	sub _log_backtrace {
		4210	my ($msg, @addr) = @_;
		4211
		4212	$msg =~ s/\n$//;
		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4217	# limit the # of concurrent backtraces
		4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
		4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
		4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
		4225	my @bt = fork_call {
		4226	@addr = map { sprintf "%x", $_ } @addr;
		4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4229	or die "addr2line: $!";
		4230
		4231	my @funcs;
		4232	my @res = <$fh>;
		4233	chomp for @res;
		4234	while (@res) {
		4235	my ($func, $line) = splice @res, 0, 2, ();
		4236	push @funcs, "[$func] $line";
		4237	}
		4238
		4239	@funcs
		4240	};
		4241
		4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4244	LOG llevInfo, "[ABT] $_\n" for @bt;
		4245	--$_log_backtrace;
		4246	};
		4247	} else {
		4248	LOG llevInfo, "[ABT] $msg\n";
		4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4250	}
		4251	}
		4252
		4253	# load additional modules
		4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
2771		4256
2772	END { cf::emergency_save }	4257	END { cf::emergency_save }
2773		4258
2774	1	4259	1
2775		4260

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