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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.564 by elmex, Thu Apr 28 14:58:08 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;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
54	our $WRITE_RUNTIME_WATCHER;	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(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	123	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
61		132
62	our %CFG;	133	our %CFG;
63		134
64	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
66		138
67	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		142
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		155
79	binmode STDOUT;	156	binmode STDOUT;
80	binmode STDERR;	157	binmode STDERR;
81		158
82	# read virtual server time, if available	159	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
87	}	164	}
88		165
89	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	167
91	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		170
96	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
97		172
98	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::"} };
99		189
100	#############################################################################	190	#############################################################################
101		191
102	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
103		193
…		…
110	=item $cf::RUNTIME	200	=item $cf::RUNTIME
111		201
112	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
113	every server tick.	203	every server tick.
114		204
115	=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
116		208
117	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		213
120	=item $cf::NOW	214	=item $cf::NOW
121		215
122	The time of the last (current) server tick.	216	The time of the last (current) server tick.
123		217
124	=item $cf::TICK	218	=item $cf::TICK
125		219
126	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	232	=item %cf::CFG
129		233
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	235	from wherever your confdir points to.
132		236
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		238
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
139		259
140	=back	260	=back
141		261
142	=cut	262	=cut
143		263
144	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	271	my $msg = join "", @_;
147	utf8::encode $msg;
148		272
149	$msg .= "\n"	273	$msg .= "\n"
150	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
151		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
152	LOG llevError, $msg;	278	LOG llevWarn, $msg;
153	};	279	};
154	}	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	};
155		294
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		302
163	# 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
164	# within the Safe compartment.	304	# within the Safe compartment.
165	for my $pkg (qw(	305	for my $pkg (qw(
166	cf::global cf::attachable	306	cf::global cf::attachable
167	cf::object cf::object::player	307	cf::object cf::object::player
168	cf::client cf::player	308	cf::client cf::player
169	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
170	cf::map cf::party cf::region	311	cf::party cf::region
171	)) {	312	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	314	}
175		315
176	$Event::DIED = sub {	316	$EV::DIED = sub {
177	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
178	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
179		326
180	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
181		328
182	=over 4	329	=over 4
183		330
…		…
202	$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;
203	$d	350	$d
204	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
205	}	352	}
206		353
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
208		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
209	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
210		369
211	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
212		371
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
221		373
222	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
223		375
224	=cut	376	=cut
225		377
226	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
228	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
229	}	443	}
230		444
231	=item cf::lock_wait $string	445	=item cf::lock_wait $string
232		446
233	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
234		448
235	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
236		450
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
240	returned.	454	returned.
241		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
242	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
243	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
244		461
245	=cut	462	=item $locked = cf::lock_active $string
246		463
247	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;
248		469
249	sub lock_wait($) {	470	sub lock_wait($) {
250	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	472	}
258		473
259	sub lock_acquire($) {	474	sub lock_acquire($) {
260	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
261		477
262	# wait, to be sure we are not locked	478	sub lock_active($) {
263	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	480	}
272		481
273	sub freeze_mainloop {	482	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
275		484
276	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	486	}
278	$WRITE_RUNTIME_WATCHER->start;	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	}
279	};	556	}
280	$WRITE_RUNTIME_WATCHER->stop;	557	};
281	$TICK_WATCHER->stop;	558
282	$guard	559	sub get_slot($;$$) {
		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;
283	}	572	}
284		573
285	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
286		575
287	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		581
293	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
294		583
295	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
296		585
297	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
298	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
299	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.
300		590
301	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
302	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
303	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
304	fast or be very important.	594	fast or be very important.
…		…
306	=cut	596	=cut
307		597
308	sub sync_job(&) {	598	sub sync_job(&) {
309	my ($job) = @_;	599	my ($job) = @_;
310		600
311	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
312	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
314		606
315	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	608
317	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
318		610
319	my $busy = 1;	611	my $busy = 1;
320	my @res;	612	my @res;
321		613
322	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	616	@res = eval { $job->() };
324	warn $@ if $@;	617	error $@ if $@;
325	undef $busy;	618	undef $busy;
326	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
327		620
328	while ($busy) {	621	while ($busy) {
329	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
330	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
331		632
332	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
333	} else {	634	} else {
334	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
335		636
…		…
355	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
356		657
357	$coro	658	$coro
358	}	659	}
359		660
360	sub write_runtime {	661	=item fork_call { }, @args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		662
363	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.
364		667
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
366	or return;
367		669
368	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
369	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
370	# 60 allows for the watchdog to kill the server.	672	}
371		673
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
373	and return;	675	my ($cb, @args) = @_;
374		676
375	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
376	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
377	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
378		680
379	close $fh	681	my @res = Coro::Util::fork_eval {
380	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
381		685
382	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
383	and return;	687	}
384		688
		689	sub objinfo {
385	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	864	}
387		865
388	=back	866	=back
389		867
390	=cut	868	=cut
391		869
392	#############################################################################	870	#############################################################################
393		871
394	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
395		873
396	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
397	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")
398	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
399		877
400	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>
401	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
402	crossfire+).	880	Deliantra).
403		881
404	=over 4	882	=over 4
405		883
406	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
407		885
…		…
451	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
452		930
453	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
454	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
455		933
456	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
457	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.
458		936
459	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
460		938
461	=over 4	939	=over 4
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
571		1049
572	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		1054
577	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
579		1057
580	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
585		1063
586	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
587	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
588		1066
589	} elsif (ref $type) {	1067	} elsif (ref $type) {
590	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
591		1069
592	} else {	1070	} else {
593	shift @arg;	1071	shift @arg;
594	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
595	}	1073	}
596	}	1074	}
597	}	1075	}
598		1076
599	sub _object_attach {	1077	sub _object_attach {
…		…
609	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
610	}	1088	}
611		1089
612	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
613	} else {	1091	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
615	}	1093	}
616		1094
617	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
618	}	1096	}
619		1097
…		…
621	if (ref $_[0]) {	1099	if (ref $_[0]) {
622	_object_attach @_;	1100	_object_attach @_;
623	} else {	1101	} else {
624	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
625	}	1103	}
		1104	_recalc_want;
626	};	1105	};
627		1106
628	# all those should be optimised	1107	# all those should be optimised
629	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
634	reattach ($obj);	1113	reattach ($obj);
635	} else {	1114	} else {
636	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
637	}	1116	}
		1117	_recalc_want;
638	};	1118	};
639		1119
640	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
642		1122
…		…
657	";	1137	";
658	die if $@;	1138	die if $@;
659	}	1139	}
660		1140
661	our $override;	1141	our $override;
662	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?
663		1143
664	sub override {	1144	sub override {
665	$override = 1;	1145	$override = 1;
666	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
667	}	1147	}
668		1148
669	sub do_invoke {	1149	sub do_invoke {
670	my $event = shift;	1150	my $event = shift;
671	my $callbacks = shift;	1151	my $callbacks = shift;
672		1152
673	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
674		1154
675	local $override;	1155	local $override;
676		1156
677	for (@$callbacks) {	1157	for (@$callbacks) {
678	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
679		1159
680	if ($@) {	1160	if ($@) {
681	warn "$@";
682	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
683	override;	1162	override;
684	}	1163	}
685		1164
686	return 1 if $override;	1165	return 1 if $override;
687	}	1166	}
688		1167
689	0	1168	0
690	}	1169	}
691		1170
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1172
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1174
696	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
697		1176
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1180
702	=back	1181	=back
703		1182
704	=cut	1183	=cut
705		1184
706	#############################################################################	1185	#############################################################################
707	# 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	}
708		1229
709	sub reattach {	1230	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1232	my ($obj) = @_;
712		1233
		1234	# no longer needed after getting rid of delete_package?
713	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
714		1236
715	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
716		1238
717	@$registry = ();	1239	@$registry = ();
718		1240
…		…
723	for (@$attach) {	1245	for (@$attach) {
724	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
725	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
726	}	1248	}
727	} else {	1249	} else {
728	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
729	}	1251	}
730	}	1252	}
731	}	1253	}
732		1254
733	cf::attachable->attach (	1255	cf::attachable->attach (
734	prio => -1000000,	1256	prio => -1000000,
735	on_instantiate => sub {	1257	on_instantiate => sub {
736	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
737		1259
738	$data = from_json $data;	1260	$data = decode_json $data;
739		1261
740	for (@$data) {	1262	for (@$data) {
741	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
742		1264
743	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1281	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
761		1283
762	sync_job {	1284	sync_job {
763	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
766		1290
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	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	}
771	close $fh;	1298	aio_close $fh;
772		1299
773	if (@$objs) {	1300	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
778	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	}
779	close $fh;	1309	aio_close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
781	}	1311	}
782	} else {	1312	} else {
783	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
784	}	1314	}
785		1315
786	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
787	} else {	1320	} else {
788	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
789	}	1322	}
790	} else {	1323	} else {
791	aio_unlink $filename;	1324	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
793	}	1326	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1327	};
801	}	1328	}
802		1329
803	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
805		1332
…		…
810		1337
811	sub object_thawer_load {	1338	sub object_thawer_load {
812	my ($filename) = @_;	1339	my ($filename) = @_;
813		1340
814	my ($data, $av);	1341	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1342
819	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
820	or return;	1344	or return;
821		1345
822	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
824	or return;	1348	or return;
		1349
825	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
826	}	1352	}
827		1353
		1354	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
830	return ($data, $av);	1359	($data, $av)
831	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
832		1367
833	#############################################################################	1368	#############################################################################
834	# command handling &c	1369	# command handling &c
835		1370
836	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1385	}
851		1386
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1388
854	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.
855		1394
856	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
857	called.	1396	called.
858		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
859	=cut	1409	=cut
860		1410
861	sub register_extcmd {	1411	sub register_extcmd {
862	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
863		1413
864	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
865	}	1415	}
866		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
867	cf::player->attach (	1425	cf::player->attach (
868	on_command => sub {	1426	on_unknown_command => sub {
869	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
870		1428
871	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
872	or return;	1430	or return;
873		1431
…		…
878	cf::override;	1436	cf::override;
879	},	1437	},
880	on_extcmd => sub {	1438	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
882		1440
883	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1442
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
891	} else {	1458	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1460	}
894		1461
895	cf::override;	1462	cf::override;
896	},	1463	},
897	);	1464	);
898		1465
		1466	# "readahead" all extensions
899	sub load_extension {	1467	sub cache_extensions {
900	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
901		1469
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
903	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
904	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}	1473	}
927	die $@;
928	}	1474	};
929		1475
930	push @EXTS, $pkg;	1476	$grp
931	}	1477	}
932		1478
933	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
934	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1486	next unless -r $path;
936	eval {	1487
937	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	}
938	1	1551	}
939	} 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	}
940	}	1564	};
941	}	1565	}
942		1566
943	#############################################################################	1567	#############################################################################
944		1568
		1569	=back
		1570
945	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
946		1572
947	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
948		1574
949	=cut	1575	=cut
950		1576
951	package cf::player;	1577	package cf::player;
952		1578
…		…
954		1580
955	=head3 cf::player	1581	=head3 cf::player
956		1582
957	=over 4	1583	=over 4
958		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
959	=item cf::player::find $login	1599	=item cf::player::find $login
960		1600
961	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
962		1602
963	=cut	1603	=cut
964		1604
965	sub playerdir($) {	1605	sub playerdir($) {
966	cf::localdir	1606	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1608	}
972		1609
973	sub path($) {	1610	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1612
976	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
977	}	1614	}
978		1615
979	sub find_active($) {	1616	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
984		1621
985	sub exists($) {	1622	sub exists($) {
986	my ($login) = @_;	1623	my ($login) = @_;
987		1624
988	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
989	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
990	}	1627	}
991		1628
992	sub find($) {	1629	sub find($) {
993	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
994	my $login = $_[0];	1631	my $login = $_[0];
995		1632
996	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
997		1634
998	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
1000	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;
1001	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1002	}	1652	}
1003	}	1653	}
1004	}	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	);
1005		1668
1006	sub save($) {	1669	sub save($) {
1007	my ($pl) = @_;	1670	my ($pl) = @_;
1008		1671
1009	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1014	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1015		1678
1016	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1018		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
1019	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1020	Coro::cede;	1688	cf::cede_to_tick;
1021	}	1689	}
1022		1690
1023	sub new($) {	1691	sub new($) {
1024	my ($login) = @_;	1692	my ($login) = @_;
1025		1693
…		…
1031	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1032		1700
1033	$self	1701	$self
1034	}	1702	}
1035		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
1036	=item $pl->quit_character	1714	=item $pl->quit_character
1037		1715
1038	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
1039	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1040		1718
1041	=cut	1719	=cut
1042		1720
1043	sub quit_character {	1721	sub quit_character {
1044	my ($pl) = @_;	1722	my ($pl) = @_;
1045		1723
		1724	my $name = $pl->ob->name;
		1725
1046	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1047	$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
1048		1728
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1050	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1052	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1053		1737
1054	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1742	$pl->destroy;
		1743
		1744	my $prefix = qr<^~\Q$name\E/>;
		1745
		1746	# nuke player maps
		1747	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1748
1059	IO::AIO::aio_rmtree $temp;	1749	IO::AIO::aio_rmtree $temp;
		1750	}
		1751
		1752	=item $pl->kick
		1753
		1754	Kicks a player out of the game. This destroys the connection.
		1755
		1756	=cut
		1757
		1758	sub kick {
		1759	my ($pl, $kicker) = @_;
		1760
		1761	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1762	$pl->killer ("kicked");
		1763	$pl->ns->destroy;
1060	}	1764	}
1061		1765
1062	=item cf::player::list_logins	1766	=item cf::player::list_logins
1063		1767
1064	Returns am arrayref of all valid playernames in the system, can take a	1768	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1066		1770
1067	=cut	1771	=cut
1068		1772
1069	sub list_logins {	1773	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1775	or return [];
1072		1776
1073	my @logins;	1777	my @logins;
1074		1778
1075	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") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1079		1789
1080	utf8::decode $login;	1790	utf8::decode $login;
1081	push @logins, $login;	1791	push @logins, $login;
1082	}	1792	}
1083		1793
1084	\@logins	1794	\@logins
1085	}	1795	}
1086		1796
1087	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1088		1800
1089	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1090	player. May block.	1802	player. May block.
1091		1803
1092	=cut	1804	=cut
…		…
1104	for (@$files) {	1816	for (@$files) {
1105	utf8::decode $_;	1817	utf8::decode $_;
1106	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1107	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1108		1820
1109	push @paths, cf::map::normalise "~$pl/$_";	1821	push @paths, cf::map::normalise "~$pl/$_", $pl->map;
1110	}	1822	}
1111		1823
1112	\@paths	1824	\@paths
1113	}	1825	}
1114		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1116		1832
1117	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1118		1834
1119	=cut	1835	=cut
1120		1836
1121	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1123		1839
1124	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1841	}
1128		1842
1129	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1130		1885
1131	=back	1886	=back
1132
1133		1887
1134	=head3 cf::map	1888	=head3 cf::map
1135		1889
1136	=over 4	1890	=over 4
1137		1891
…		…
1149	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1151		1905
1152	sub generate_random_map {	1906	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1154	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1155	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1159	$rmp->{exit_on_final_map},
1160	$rmp->{xsize}, $rmp->{ysize},
1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1166	(cf::region::find $rmp->{region}), $rmp->{custom}
1167	)
1168	}	1912	}
1169		1913
1170	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1171		1915
1172	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
…		…
1177		1921
1178	sub register {	1922	sub register {
1179	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1180	my $pkg = caller;	1924	my $pkg = caller;
1181		1925
1182	no strict;
1183	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1184		1927
1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1186	}	1929	}
1187		1930
1188	# also paths starting with '/'	1931	# also paths starting with '/'
1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1190		1933
1191	sub thawer_merge {	1934	sub thawer_merge {
1192	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1193		1936
1194	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1195	local $self->{path};	1938	local $self->{path};
1196	local $self->{load_path};	1939	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1940
1200	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1201	}	1942	}
1202		1943
1203	sub normalise {	1944	sub normalise {
1204	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1205		1946
1206	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1207		1948
1208	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1209		1950
1210	# map plan:	1951	# map plan:
1211	#	1952	#
…		…
1213	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1214	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1215	# ?random/... random maps	1956	# ?random/... random maps
1216	# /... normal maps	1957	# /... normal maps
1217	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1218		1960
1219	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1220		1962
1221	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1222	# something that looks reasonable	1964	# something that looks reasonable
1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1225		1967
1226	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1227	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1228	}	1984	}
1229		1985
1230	for ($path) {	1986	for ($path) {
1231	redo if s{//}{/};
1232	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1233	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1234	}	1989	}
1235		1990
1236	$path	1991	$path
…		…
1250	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1251	return $self;	2006	return $self;
1252	}	2007	}
1253	}	2008	}
1254		2009
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1256	()	2011	()
1257	}	2012	}
1258		2013
		2014	# may re-bless or do other evil things
1259	sub init {	2015	sub init {
1260	my ($self) = @_;	2016	my ($self) = @_;
1261		2017
1262	$self	2018	$self
1263	}	2019	}
…		…
1275		2031
1276	# the original (read-only) location	2032	# the original (read-only) location
1277	sub load_path {	2033	sub load_path {
1278	my ($self) = @_;	2034	my ($self) = @_;
1279		2035
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2036	"$MAPDIR/$self->{path}.map"
1281	}	2037	}
1282		2038
1283	# the temporary/swap location	2039	# the temporary/swap location
1284	sub save_path {	2040	sub save_path {
1285	my ($self) = @_;	2041	my ($self) = @_;
1286		2042
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2044	"$TMPDIR/$path.map"
1289	}	2045	}
1290		2046
1291	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1292	sub uniq_path {	2048	sub uniq_path {
1293	my ($self) = @_;	2049	my ($self) = @_;
1294		2050
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2052	"$UNIQUEDIR/$path"
1297	}	2053	}
1298		2054
1299	# and all this just because we cannot iterate over	2055	sub decay_objects {
1300	# all maps in C++...
1301	sub change_all_map_light {
1302	my ($change) = @_;	2056	my ($self) = @_;
1303		2057
1304	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1305	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1306	}	2061	}
1307		2062
1308	sub unlink_save {	2063	sub unlink_save {
1309	my ($self) = @_;	2064	my ($self) = @_;
1310		2065
1311	utf8::encode (my $save = $self->save_path);	2066	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2067	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2068	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	2069	}
1320		2070
1321	sub load_header_from($) {	2071	sub load_header_from($) {
1322	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1323		2073
1324	utf8::encode $path;	2074	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	2076	or return;
		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
1330		2083
1331	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1332		2085
1333	1	2086	1
1334	}	2087	}
…		…
1373	$self->load_header_orig	2126	$self->load_header_orig
1374	or return;	2127	or return;
1375	$self->prepare_orig;	2128	$self->prepare_orig;
1376	}	2129	}
1377		2130
		2131	$self->{deny_reset} = 1
		2132	if $self->no_reset;
		2133
		2134	$self->default_region (cf::region::find_by_path $self->{path})
		2135	unless $self->default_region;
		2136
1378	1	2137	1
1379	}	2138	}
1380		2139
1381	sub find;	2140	sub find;
1382	sub find {	2141	sub find {
1383	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1384		2143
		2144	cf::cede_to_tick;
		2145
1385	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1386		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1388		2150
1389	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";
1391	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1392	or return;	2153	or return;
1393		2154
1394	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1395		2156
1396	$map->load_header	2157	$map->load_header
1397	or return;	2158	or return;
1398		2159
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1402	$map->reset;	2165	$map->reset;
1403	undef $guard;
1404	return find $path;	2166	return find $path;
1405	}	2167	}
1406		2168
1407	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1408	}	2170	}
1409	}	2171	}
1410		2172
1411	sub pre_load { }	2173	sub pre_load { }
1412	sub post_load { }	2174	#sub post_load { } # XS
1413		2175
1414	sub load {	2176	sub load {
1415	my ($self) = @_;	2177	my ($self) = @_;
1416		2178
1417	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
1418		2180
1419	my $path = $self->{path};	2181	my $path = $self->{path};
		2182
		2183	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1421		2185
		2186	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2188
1424	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1425		2190
1426	$self->alloc;	2191	$self->alloc;
1427		2192
1428	$self->pre_load;	2193	$self->pre_load;
		2194	cf::cede_to_tick;
1429		2195
1430	$self->_load_objects ($self->{load_path}, 1)	2196	if (exists $self->{load_path}) {
		2197	my $f = new_from_file cf::object::thawer $self->{load_path};
		2198	$f->skip_block;
		2199	$self->_load_objects ($f)
1431	or return;	2200	or return;
1432		2201
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1434	if delete $self->{load_original};	2203	if delete $self->{load_original};
1435		2204
1436	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2206	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2209	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1441	}	2214	}
1442	}
1443		2215
1444	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
1445		2218
		2219	cf::cede_to_tick;
1446	# now do the right thing for maps	2220	# now do the right thing for maps
1447	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2223	unless $self->difficulty;
1457	Coro::cede;	2224	cf::cede_to_tick;
		2225
		2226	unless ($self->{deny_activate}) {
		2227	$self->decay_objects;
		2228	$self->fix_auto_apply;
		2229	$self->update_buttons;
		2230	cf::cede_to_tick;
1458	$self->activate;	2231	$self->activate;
		2232	}
		2233
		2234	$self->{last_save} = $cf::RUNTIME;
		2235	$self->last_access ($cf::RUNTIME);
		2236
		2237	$self->in_memory (cf::MAP_ACTIVE);
1459	}	2238	}
1460		2239
1461	$self->post_load;	2240	$self->post_load;
1462		2241
1463	$self->in_memory (cf::MAP_IN_MEMORY);	2242	1
1464	}	2243	}
1465		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1466	sub customise_for {	2248	sub customise_for {
1467	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1468		2250
1469	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2252	if $self->per_player;
1471		2253
		2254	# return find "?party/" . $ob->name . "/" . $self->{path}
		2255	# if $self->per_party;
		2256
1472	$self	2257	$self
1473	}	2258	}
1474		2259
1475	# find and load all maps in the 3x3 area around a map	2260	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2261	sub load_neighbours {
1477	my ($map) = @_;	2262	my ($map) = @_;
1478		2263
1479	my @diag; # diagonal neighbours	2264	my @neigh; # diagonal neighbours
1480		2265
1481	for (0 .. 3) {	2266	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2267	my $neigh = $map->tile_path ($_)
1483	or next;	2268	or next;
1484	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1485	or next;	2270	or next;
1486	$neigh->load;	2271	$neigh->load;
1487		2272
		2273	# now find the diagonal neighbours
		2274	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2277	}
1491		2278
1492	for (@diag) {	2279	for (grep defined $_->[0], @neigh) {
		2280	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2281	my $neigh = find $path, $origin
1494	or next;	2282	or next;
1495	$neigh->load;	2283	$neigh->load;
1496	}	2284	}
1497	}	2285	}
1498		2286
1499	sub find_sync {	2287	sub find_sync {
1500	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1501		2289
1502	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
1503	}	2294	}
1504		2295
1505	sub do_load_sync {	2296	sub do_load_sync {
1506	my ($map) = @_;	2297	my ($map) = @_;
1507		2298
1508	cf::sync_job { $map->load };	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2300	if $Coro::current == $Coro::main;
		2301
		2302	$map->load;
1509	}	2303	}
1510		2304
1511	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
1513		2307
1514	sub find_async {	2308	sub find_async {
1515	my ($path, $origin) = @_;	2309	my ($path, $origin, $load) = @_;
1516		2310
1517	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
1518		2312
1519	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2315	}
1522		2316
1523	undef $MAP_PREFETCH{$path};	2317	$MAP_PREFETCH{$path} |= $load;
		2318
1524	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
1525	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2324	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2325	$map->load if $v;
		2326	}
1530		2327
1531	delete $MAP_PREFETCH{$path};	2328	delete $MAP_PREFETCH{$k};
1532	}	2329	}
1533	}	2330	}
1534	undef $MAP_PREFETCHER;	2331	undef $MAP_PREFETCHER;
1535	};	2332	};
1536	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
1537		2334
1538	()	2335	()
1539	}	2336	}
1540		2337
		2338	# common code, used by both ->save and ->swapout
1541	sub save {	2339	sub _save {
1542	my ($self) = @_;	2340	my ($self) = @_;
1543
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1545		2341
1546	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1547		2343
1548	return unless $self->dirty;	2344	return unless $self->dirty;
1549		2345
…		…
1555	return if $self->{deny_save};	2351	return if $self->{deny_save};
1556		2352
1557	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
1558		2354
1559	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
1561	};	2358	};
		2359
		2360	cf::get_slot 0.02;
1562		2361
1563	if ($uniq) {	2362	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2365	} else {
1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1568	}	2367	}
1569	}	2368	}
1570		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
1571	sub swap_out {	2378	sub swap_out {
1572	my ($self) = @_;	2379	my ($self) = @_;
1573		2380
1574	# save first because save cedes
1575	$self->save;
1576
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
1579	return if $self->players;	2385	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};
1582		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
1583	$self->clear;	2396	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2397	}
1586		2398
1587	sub reset_at {	2399	sub reset_at {
1588	my ($self) = @_;	2400	my ($self) = @_;
1589		2401
1590	# TODO: safety, remove and allow resettable per-player maps	2402	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2403	return 1e99 if $self->{deny_reset};
1593		2404
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2405	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2406	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2407
…		…
1607	my ($self) = @_;	2418	my ($self) = @_;
1608		2419
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2421
1611	return if $self->players;	2422	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2423
1614	warn "resetting map ", $self->path;#d#	2424	cf::trace "resetting map ", $self->path, "\n";
1615		2425
1616	$self->in_memory (cf::MAP_SWAPPED);	2426	$self->in_memory (cf::MAP_SWAPPED);
1617		2427
1618	# need to save uniques path	2428	# need to save uniques path
1619	unless ($self->{deny_save}) {	2429	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2433	if $uniq;
1624	}	2434	}
1625		2435
1626	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
1627		2437
		2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2440	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2441
1632	$self->unlink_save;	2442	$self->unlink_save;
1633	$self->destroy;	2443	$self->destroy;
1634	}	2444	}
1635		2445
1636	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
1637		2447
1638	sub nuke {	2448	sub nuke {
1639	my ($self) = @_;	2449	my ($self) = @_;
1640		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
1641	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
1642		2455
1643	$self->unlink_save;	2456	$self->unlink_save;
1644		2457
1645	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
1646	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2463
1651	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
1652		2466
1653	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
		2468	}
		2469
		2470	=item $maps = cf::map::tmp_maps
		2471
		2472	Returns an arrayref with all map paths of currently instantiated and saved
		2473	maps. May block.
		2474
		2475	=cut
		2476
		2477	sub tmp_maps() {
		2478	[
		2479	map {
		2480	utf8::decode $_;
		2481	/\.map$/
		2482	? normalise $_
		2483	: ()
		2484	} @{ aio_readdir $TMPDIR or [] }
		2485	]
		2486	}
		2487
		2488	=item $maps = cf::map::random_maps
		2489
		2490	Returns an arrayref with all map paths of currently instantiated and saved
		2491	random maps. May block.
		2492
		2493	=cut
		2494
		2495	sub random_maps() {
		2496	[
		2497	map {
		2498	utf8::decode $_;
		2499	/\.map$/
		2500	? normalise "?random/$_"
		2501	: ()
		2502	} @{ aio_readdir $RANDOMDIR or [] }
		2503	]
1654	}	2504	}
1655		2505
1656	=item cf::map::unique_maps	2506	=item cf::map::unique_maps
1657		2507
1658	Returns an arrayref of paths of all shared maps that have	2508	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2509	instantiated unique items. May block.
1660		2510
1661	=cut	2511	=cut
1662		2512
1663	sub unique_maps() {	2513	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2514	[
1665	or return;	2515	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2516	utf8::decode $_;
1671	next if /\.pst$/;	2517	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2519	? ()
1674	push @paths, cf::map::normalise $_;	2520	: normalise $_
		2521	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2522	]
1676
1677	\@paths
1678	}	2523	}
1679		2524
1680	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
1681		2556
1682	=back	2557	=back
1683		2558
1684	=head3 cf::object	2559	=head3 cf::object
1685		2560
…		…
1689		2564
1690	=over 4	2565	=over 4
1691		2566
1692	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
1693		2568
1694	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
1695		2571
1696	=cut	2572	=cut
1697		2573
1698	sub inv_recursive_;	2574	sub inv_recursive_;
1699	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
1702		2578
1703	sub inv_recursive {	2579	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
1705	}	2581	}
1706		2582
		2583	=item $ref = $ob->ref
		2584
		2585	Creates and returns a persistent reference to an object that can be stored as a string.
		2586
		2587	=item $ob = cf::object::deref ($refstring)
		2588
		2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2590	even if the object actually exists. May block.
		2591
		2592	=cut
		2593
		2594	sub deref {
		2595	my ($ref) = @_;
		2596
		2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2598	my ($uuid, $name) = ($1, $2);
		2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2600	or return;
		2601	$pl->ob->uuid eq $uuid
		2602	or return;
		2603
		2604	$pl->ob
		2605	} else {
		2606	warn "$ref: cannot resolve object reference\n";
		2607	undef
		2608	}
		2609	}
		2610
1707	package cf;	2611	package cf;
1708		2612
1709	=back	2613	=back
1710		2614
1711	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
1717	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2621	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1718	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
1719	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
1720		2624
1721	=cut	2625	=cut
		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
1722		2640
1723	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
1724	# with dialog boxes.	2642	# with dialog boxes.
1725	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
1726	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
1728		2646
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2647	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2648
1731	if ($self->{record_replies}) {	2649	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2650	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2651
1733	} else {	2652	} else {
		2653	my $pl = $self->contr;
		2654
		2655	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2656	my $dialog = $pl->{npc_dialog};
		2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2658
		2659	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2662	}
1736	}	2663	}
		2664	}
		2665
		2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2667
		2668	=cut
		2669
		2670	sub cf::object::send_msg {
		2671	my $pl = shift->contr
		2672	or return;
		2673	$pl->send_msg (@_);
1737	}	2674	}
1738		2675
1739	=item $player_object->may ("access")	2676	=item $player_object->may ("access")
1740		2677
1741	Returns wether the given player is authorized to access resource "access"	2678	Returns wether the given player is authorized to access resource "access"
…		…
1754		2691
1755	=item $player_object->enter_link	2692	=item $player_object->enter_link
1756		2693
1757	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
1758		2695
1759	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
1760	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
1761		2700
1762	Will never block.	2701	Will never block.
1763		2702
1764	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
1765		2704
…		…
1785	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
1786	my ($self) = @_;	2725	my ($self) = @_;
1787		2726
1788	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
1789		2728
		2729	++$self->{_link_recursion};
		2730
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2732
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2734	if $self->map && $self->map->{path} ne "{link}";
1794		2735
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1796	}	2737	}
1797		2738
1798	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
		2741
		2742	return unless $self->contr->active;
1800		2743
1801	my $link_pos = delete $self->{_link_pos};	2744	my $link_pos = delete $self->{_link_pos};
1802		2745
1803	unless ($map) {	2746	unless ($map) {
1804	# restore original map position	2747	# restore original map position
…		…
1815	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
1816	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
1817		2760
1818	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
1821		2764
1822	$map->load;	2765	$map->load;
1823	$map->load_diag;	2766	$map->load_neighbours;
1824		2767
1825	return unless $self->contr->active;	2768	return unless $self->contr->active;
		2769
		2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2771	if ($self->enter_map ($map, $x, $y)) {
		2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
1826	$self->activate_recursive;	2775	$self->activate_recursive;
1827	$self->enter_map ($map, $x, $y);
1828	}
1829
1830	cf::player->attach (
1831	on_logout => sub {
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2776	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2777
1844	# try to abort aborted map switching on player login :)	2778	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2779
1862	=item $player_object->goto ($path, $x, $y)	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2781
		2782	Moves the player to the given map-path and coordinates by first freezing
		2783	her, loading and preparing them map, calling the provided $check callback
		2784	that has to return the map if sucecssful, and then unfreezes the player on
		2785	the new (success) or old (failed) map position. In either case, $done will
		2786	be called at the end of this process.
		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
		2790
1864	=cut	2791	=cut
		2792
		2793	our $GOTOGEN;
1865		2794
1866	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
		2803
		2804	# do generation counting so two concurrent goto's will be executed in-order
		2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2806
1869	$self->enter_link;	2807	$self->enter_link;
1870		2808
1871	(async {	2809	(async {
		2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
		2812	# *tag paths override both path and x|y
		2813	if ($path =~ /^\*(.*)$/) {
		2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2815	my $ob = $obs[rand @obs];
		2816
		2817	# see if we actually can go there
		2818	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2819	$ob = $obs[rand @obs];
		2820	} else {
		2821	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823	# else put us there anyways for now #d#
		2824
		2825	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2826	} else {
		2827	($path, $x, $y) = (undef, undef, undef);
		2828	}
		2829	}
		2830
1872	my $map = eval {	2831	my $map = eval {
1873	my $map = cf::map::find $path;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2833
		2834	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2835	$map = $map->customise_for ($self);
		2836	$map = $check->($map, $x, $y, $self) if $check && $map;
		2837	} else {
		2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840
1875	$map	2841	$map
		2842	};
		2843
		2844	if ($@) {
		2845	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2847	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2848
		2849	if ($gen == $self->{_goto_generation}) {
		2850	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
		2852	}
		2853
		2854	$done->($self) if $done;
1880	})->prio (1);	2855	})->prio (1);
1881	}	2856	}
1882		2857
1883	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
1884		2859
…		…
1904	}	2879	}
1905		2880
1906	sub prepare_random_map {	2881	sub prepare_random_map {
1907	my ($exit) = @_;	2882	my ($exit) = @_;
1908		2883
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2886	# that depends on the exit object
1914		2887
1915	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2890	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
1922	}	2897	}
1923		2898
1924	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
1925		2900
1926	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
1929		2904
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2907	undef $fh;
1933	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
1934		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
1937	}	2916	}
1938	}	2917	}
1939		2918
1940	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
1942		2921
1943	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
1944		2923
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2924	$self->enter_link;
1955		2925
1956	(async {	2926	(async {
1957	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
1958	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
1959	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
1960		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
1961	1;	2950	1
1962	}) {	2951	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2956
1968	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2958	$self->leave_link;
1970	}	2959	}
1971	})->prio (1);	2960	})->prio (1);
1972	}	2961	}
1973		2962
…		…
1984		2973
1985	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
1987		2976
1988	utf8::encode $text;	2977	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2979	}
1991		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
		3004	}
		3005
		3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3007
		3008	Send a drawinfo or msg packet to the client, formatting the msg for the
		3009	client if neccessary. C<$type> should be a string identifying the type of
		3010	the message, with C<log> being the default. If C<$color> is negative, suppress
		3011	the message unless the client supports the msg packet.
		3012
		3013	=cut
		3014
		3015	# non-persistent channels (usually the info channel)
		3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
		3023	"c/identify" => {
		3024	id => "infobox",
		3025	title => "Identify",
		3026	reply => undef,
		3027	tooltip => "Items recently identified",
		3028	},
		3029	"c/examine" => {
		3030	id => "infobox",
		3031	title => "Examine",
		3032	reply => undef,
		3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
		3127	);
		3128
		3129	sub cf::client::send_msg {
		3130	my ($self, $channel, $msg, $color, @extra) = @_;
		3131
		3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
		3134
		3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3136
		3137	# check predefined channels, for the benefit of C
		3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
		3144	} elsif (ref $channel) {
		3145	# send meta info to client, if not yet sent
		3146	unless (exists $self->{channel}{$channel->{id}}) {
		3147	$self->{channel}{$channel->{id}} = $channel;
		3148	$self->ext_msg (channel_info => $channel);
		3149	}
		3150
		3151	$channel = $channel->{id};
		3152	}
		3153
		3154	return unless @extra || length $msg;
		3155
		3156	# default colour, mask it out
		3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3158	if $color & cf::NDI_DEF;
		3159
		3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
		3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3163	);
		3164
		3165	$self->send_big_packet ($pkt);
		3166	}
		3167
		3168	=item $client->ext_msg ($type, @msg)
		3169
		3170	Sends an ext event to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_msg($$@) {
		3175	my ($self, $type, @msg) = @_;
		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3179	} elsif ($self->extcmd == 1) { # TODO: remove
		3180	push @msg, msgtype => "event_$type";
		3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3182	}
		3183	}
		3184
		3185	=item $client->ext_reply ($msgid, @msg)
		3186
		3187	Sends an ext reply to the client.
		3188
		3189	=cut
		3190
		3191	sub cf::client::ext_reply($$@) {
		3192	my ($self, $id, @msg) = @_;
		3193
		3194	if ($self->extcmd == 2) {
		3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3196	} elsif ($self->extcmd == 1) {
		3197	#TODO: version 1, remove
		3198	unshift @msg, msgtype => "reply", msgid => $id;
		3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3200	}
		3201	}
1992		3202
1993	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
1994		3204
1995	Queues a query to the client, calling the given callback with	3205	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3206	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3207	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3208
1999	Queries can fail, so check the return code. Or don't, as queries will become	3209	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3210	become reliable at some point in the future.
2001		3211
2002	=cut	3212	=cut
2003		3213
2004	sub cf::client::query {	3214	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3215	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3223	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3224	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3225
2016	$self->send_packet ($self->{query_queue}[0][0])	3226	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3227	if @{ $self->{query_queue} } == 1;
		3228
		3229	1
2018	}	3230	}
2019		3231
2020	cf::client->attach (	3232	cf::client->attach (
		3233	on_connect => sub {
		3234	my ($ns) = @_;
		3235
		3236	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3237	},
2021	on_reply => sub {	3238	on_reply => sub {
2022	my ($ns, $msg) = @_;	3239	my ($ns, $msg) = @_;
2023		3240
2024	# this weird shuffling is so that direct followup queries	3241	# this weird shuffling is so that direct followup queries
2025	# get handled first	3242	# get handled first
…		…
2037	} else {	3254	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3255	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3256	}
2040	}	3257	}
2041	},	3258	},
		3259	on_exticmd => sub {
		3260	my ($ns, $buf) = @_;
		3261
		3262	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3263
		3264	if (ref $msg) {
		3265	my ($type, $reply, @payload) =
		3266	"ARRAY" eq ref $msg
		3267	? @$msg
		3268	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3269
		3270	my @reply;
		3271
		3272	if (my $cb = $EXTICMD{$type}) {
		3273	@reply = $cb->($ns, @payload);
		3274	}
		3275
		3276	$ns->ext_reply ($reply, @reply)
		3277	if $reply;
		3278
		3279	} else {
		3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3281	}
		3282
		3283	cf::override;
		3284	},
2042	);	3285	);
2043		3286
2044	=item $client->async (\&cb)	3287	=item $client->async (\&cb)
2045		3288
2046	Create a new coroutine, running the specified callback. The coroutine will	3289	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3305
2063	$coro	3306	$coro
2064	}	3307	}
2065		3308
2066	cf::client->attach (	3309	cf::client->attach (
2067	on_destroy => sub {	3310	on_client_destroy => sub {
2068	my ($ns) = @_;	3311	my ($ns) = @_;
2069		3312
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3314	},
2072	);	3315	);
…		…
2087	our $safe = new Safe "safe";	3330	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2089		3332
2090	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2091		3334
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3335	$safe->permit_only (Opcode::opset qw(
		3336	:base_core :base_mem :base_orig :base_math :base_loop
		3337	grepstart grepwhile mapstart mapwhile
		3338	sort time
		3339	));
2093		3340
2094	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
2095		3342
2096	=pod	3343	=pod
2097		3344
2098	The following fucntions and emthods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2099		3346
2100	cf::object contr pay_amount pay_player map	3347	cf::object
		3348	contr pay_amount pay_player map x y force_find force_add destroy
		3349	insert remove name archname title slaying race decrease split
		3350	value
		3351
2101	cf::object::player player	3352	cf::object::player
2102	cf::player peaceful	3353	player
2103	cf::map trigger	3354
		3355	cf::player
		3356	peaceful
		3357
		3358	cf::map
		3359	trigger
2104		3360
2105	=cut	3361	=cut
2106		3362
2107	for (	3363	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2112	) {	3370	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3373	for @funs;
2117	}	3374	}
2118		3375
…		…
2133		3390
2134	my $qcode = $code;	3391	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2137		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2138	local $_;	3398	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3399
2141	my $eval =	3400	my $eval =
2142	"do {\n"	3401	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3404	. $code
2146	. "\n}"	3405	. "\n}"
2147	;	3406	;
2148		3407
		3408	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2152		3417
2153	if ($@) {	3418	if ($@) {
2154	warn "$@";	3419	warn "$@",
2155	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2157	}	3422	}
2158		3423
2159	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2160	}	3425	}
2161		3426
…		…
2175	=cut	3440	=cut
2176		3441
2177	sub register_script_function {	3442	sub register_script_function {
2178	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2179		3444
2180	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2182	}	3447	}
2183		3448
2184	=back	3449	=back
2185		3450
2186	=cut	3451	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3452
2260	#############################################################################	3453	#############################################################################
2261	# the server's init and main functions	3454	# the server's init and main functions
2262		3455
		3456	sub load_facedata($) {
		3457	my ($path) = @_;
		3458
		3459	# HACK to clear player env face cache, we need some signal framework
		3460	# for this (global event?)
		3461	%ext::player_env::MUSIC_FACE_CACHE = ();
		3462
		3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3464
		3465	trace "loading facedata from $path\n";
		3466
		3467	my $facedata = decode_storable load_file $path;
		3468
		3469	$facedata->{version} == 2
		3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3471
		3472	# patch in the exptable
		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3474	$facedata->{resource}{"res/exp_table"} = {
		3475	type => FT_RSRC,
		3476	data => $exp_table,
		3477	hash => (Digest::MD5::md5 $exp_table),
		3478	};
		3479	cf::cede_to_tick;
		3480
		3481	{
		3482	my $faces = $facedata->{faceinfo};
		3483
		3484	while (my ($face, $info) = each %$faces) {
		3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
		3487	cf::face::set_visibility $idx, $info->{visibility};
		3488	cf::face::set_magicmap $idx, $info->{magicmap};
		3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3492
		3493	cf::cede_to_tick;
		3494	}
		3495
		3496	while (my ($face, $info) = each %$faces) {
		3497	next unless $info->{smooth};
		3498
		3499	my $idx = cf::face::find $face
		3500	or next;
		3501
		3502	if (my $smooth = cf::face::find $info->{smooth}) {
		3503	cf::face::set_smooth $idx, $smooth;
		3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3505	} else {
		3506	error "smooth face '$info->{smooth}' not found for face '$face'";
		3507	}
		3508
		3509	cf::cede_to_tick;
		3510	}
		3511	}
		3512
		3513	{
		3514	my $anims = $facedata->{animinfo};
		3515
		3516	while (my ($anim, $info) = each %$anims) {
		3517	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3518	cf::cede_to_tick;
		3519	}
		3520
		3521	cf::anim::invalidate_all; # d'oh
		3522	}
		3523
		3524	{
		3525	my $res = $facedata->{resource};
		3526
		3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
		3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3530
		3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3532	cf::face::set_type $idx, $info->{type};
		3533	} else {
		3534	$RESOURCE{$name} = $info; # unused
		3535	}
		3536
		3537	cf::cede_to_tick;
		3538	}
		3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3542
		3543	1
		3544	}
		3545
		3546	register_exticmd fx_want => sub {
		3547	my ($ns, $want) = @_;
		3548
		3549	while (my ($k, $v) = each %$want) {
		3550	$ns->fx_want ($k, $v);
		3551	}
		3552	};
		3553
2263	sub load_resources {	3554	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
		3563
		3564	sub reload_regions {
		3565	# HACK to clear player env face cache, we need some signal framework
		3566	# for this (global event?)
		3567	%ext::player_env::MUSIC_FACE_CACHE = ();
		3568
		3569	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3570	or die "unable to load regions file\n";
2266	}
2267		3571
2268	sub cfg_load {	3572	for (cf::region::list) {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3573	$_->{match} = qr/$_->{match}/
2270	or return;	3574	if exists $_->{match};
		3575	}
		3576	}
2271		3577
2272	local $/;	3578	sub reload_facedata {
2273	*CFG = YAML::Syck::Load <$fh>;	3579	load_facedata "$DATADIR/facedata"
		3580	or die "unable to load facedata\n";
		3581	}
2274		3582
		3583	sub reload_archetypes {
		3584	load_resource_file "$DATADIR/archetypes"
		3585	or die "unable to load archetypes\n";
		3586	}
		3587
		3588	sub reload_treasures {
		3589	load_resource_file "$DATADIR/treasures"
		3590	or die "unable to load treasurelists\n";
		3591	}
		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
		3613	sub reload_resources {
		3614	trace "reloading resource files...\n";
		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
		3621	reload_regions;
		3622	reload_treasures;
		3623
		3624	trace "finished reloading resource files\n";
		3625	}
		3626
		3627	sub reload_config {
		3628	trace "reloading config file...\n";
		3629
		3630	my $config = load_file "$CONFDIR/config";
		3631	utf8::decode $config;
		3632	*CFG = decode_yaml $config;
		3633
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2276		3635
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2279		3638
2280	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
2284	};	3643	};
2285	warn $@ if $@;	3644	warn $@ if $@;
2286	}	3645	}
2287	}	3646	}
2288		3647
2289	sub init {	3648	sub pidfile() {
2290	load_resources;	3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
2291	}	3674	}
2292		3675
2293	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
2294	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3689	(async {
2298	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
2300	};	3693	};
2301		3694
2302	cfg_load;	3695	evthread_start IO::AIO::poll_fileno;
		3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
		3707	reload_config;
2303	db_init;	3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
2304	load_extensions;	3718	load_extensions;
2305		3719
2306	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
2307	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2308	}	3738	}
2309		3739
2310	#############################################################################	3740	#############################################################################
2311	# initialisation and cleanup	3741	# initialisation and cleanup
2312		3742
2313	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2314	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2323	},
2324	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2325	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2326	}	3839	}
2327		3840
2328	sub emergency_save() {	3841	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2330		3843
2331	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2332		3850
2333	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2334	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2335	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2336	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2338	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3862	$pl->save;
2342	}	3863	}
2343	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2344		3865
2345	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2346	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2347	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2348	$map->valid or next;	3871	$map->valid or next;
2349	$map->save;	3872	$map->save;
2350	}	3873	}
2351	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2352		3875
2353	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2356	};	3904	};
2357		3905
2358	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2359	}	3907	}
2360		3908
2361	sub post_cleanup {	3909	sub post_cleanup {
2362	my ($make_core) = @_;	3910	my ($make_core) = @_;
2363		3911
		3912	IO::AIO::flush;
		3913
2364	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3915	if $make_core;
2366	}
2367		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
		3944	}
		3945
2368	sub reload() {	3946	sub do_reload_perl() {
2369	# can/must only be called in main	3947	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2371	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2372	return;	3950	return;
2373	}	3951	}
2374		3952
2375	warn "reloading...";	3953	return if $RELOAD++;
2376		3954
2377	warn "cancelling server ticker";	3955	my $t1 = AE::time;
2378	$TICK_WATCHER->cancel;
2379		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
		3963	cf::sync_job {
2380	cf::emergency_save;	3964	#cf::emergency_save;
2381		3965
2382	eval {
2383	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392
2393	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";
2400	}
2401
2402	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3968	%EXT_CORO = ();
2405		3969
2406	warn "removing commands";	3970	trace "perl_reload: removing commands";
2407	%COMMAND = ();	3971	%COMMAND = ();
2408		3972
2409	warn "removing ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2410	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2411		3976
2412	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2415		3980
2416	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2417	eval {	3982	eval {
2418	$cb->($pkg);	3983	$cb->($pkg);
2419	1	3984	1
2420	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2421	}	3990	}
2422		3991
2423	warn "... nuking $pkg";
2424	Symbol::delete_package $pkg;
2425	}
2426
2427	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2428	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3995
2431	warn "... unloading $k";	3996	trace "... unloading $k";
2432	delete $INC{$k};	3997	delete $INC{$k};
2433		3998
2434	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2436		4001
2437	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2438	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2439	}	4007	}
2440		4008
2441	Symbol::delete_package $k;
2442	}
2443
2444	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		4012
2448	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
		4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		4016
2451	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2452	# and global variables created in xs	4018	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2454		4020
2455	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
2456		4022
2457	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
2458	require cf;	4024	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2460		4026
2461	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
2462	cf::cfg_load;	4028	cf::reload_config;
2463		4029
2464	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
2465	cf::load_extensions;	4031	cf::load_extensions;
2466		4032
		4033	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2468	_global_reattach;	4035	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2470	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
		4038	trace "perl_reload: reattaching attachments to players";
		4039	reattach $_ for values %PLAYER;
		4040	}
2471		4041
2472	warn "loading reloadable resources";	4042	cf::_post_init 1;
2473	load_resources;
2474		4043
2475	warn "restarting server ticker";	4044	trace "perl_reload: leaving sync_job";
2476		4045
2477	$TICK_WATCHER->start;	4046	1
		4047	} or do {
		4048	error $@;
		4049	cf::cleanup "perl_reload: error, exiting.";
		4050	};
		4051
		4052	--$RELOAD;
		4053	}
		4054
		4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
		4057	};
		4058
		4059	our $RELOAD_WATCHER; # used only during reload
		4060
		4061	sub reload_perl() {
		4062	# doing reload synchronously and two reloads happen back-to-back,
		4063	# coro crashes during coro_state_free->destroy here.
		4064
		4065	$RELOAD_WATCHER ||= cf::async {
		4066	Coro::AIO::aio_wait cache_extensions;
		4067
		4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4069	do_reload_perl;
		4070	undef $RELOAD_WATCHER;
		4071	};
2478	};	4072	};
2479		4073	}
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485
2486	warn "reloaded";
2487	};
2488
2489	our $RELOAD_WATCHER; # used only during reload
2490		4074
2491	register_command "reload" => sub {	4075	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2493		4077
2494	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
2496		4080	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	4081	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	4082	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	4083	};
2509	}	4084	}
2510	};	4085	};
2511		4086
2512	unshift @INC, $LIBDIR;	4087	#############################################################################
2513		4088
2514	my $bug_warning = 0;	4089	my $bug_warning = 0;
2515		4090
2516	$TICK_WATCHER = Event->timer (	4091	our @WAIT_FOR_TICK;
2517	reentrant => 0,	4092	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	4093
2519	prio => 0,	4094	sub wait_for_tick() {
2520	at => $NEXT_TICK || $TICK,	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	4096
2522	cb => sub {	4097	my $signal = new Coro::Signal;
		4098	push @WAIT_FOR_TICK, $signal;
		4099	$signal->wait;
		4100	}
		4101
		4102	sub wait_for_tick_begin() {
		4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4104
		4105	my $signal = new Coro::Signal;
		4106	push @WAIT_FOR_TICK_BEGIN, $signal;
		4107	$signal->wait;
		4108	}
		4109
		4110	sub tick {
2523	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
2526	return;	4114	return;
2527	}	4115	}
2528		4116
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		4118
2535	$WAIT_FOR_TICK->broadcast;	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2537		4120
2538	Event::sweep;	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2539	Coro::cede_notself;	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4123	Coro::async_pool {
		4124	$Coro::current->{desc} = "runtime saver";
		4125	write_runtime_sync
		4126	or error "ERROR: unable to write runtime file: $!";
		4127	};
		4128	}
		4129
		4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4131	$sig->send;
		4132	}
		4133	while (my $sig = shift @WAIT_FOR_TICK) {
		4134	$sig->send;
		4135	}
		4136
		4137	$LOAD = ($NOW - $TICK_START) / $TICK;
		4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4139
		4140	if (0) {
		4141	if ($NEXT_TICK) {
		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
2540		4145	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	4146	}
2550	);	4147	}
2551		4148
2552	{	4149	{
2553	BDB::max_poll_time $TICK * 0.1;	4150	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	4151
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
2563		4153	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	4154	$AnyEvent::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		4155
2579	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
		4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		4163
2582	cf::sync_job {	4164	cf::sync_job {
2583	eval {	4165	eval {
2584	BDB::db_env_open	4166	BDB::db_env_open
2585	$DB_ENV,	4167	$DB_ENV,
2586	$BDB_ENV_DIR,	4168	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	4171	0666;
2590		4172
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	4174	};
2596		4175
2597	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	4177	};
2599	}	4178	}
		4179
		4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4182	};
		4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4185	};
		4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4188	};
2600	}	4189	}
2601		4190
2602	{	4191	{
		4192	# configure IO::AIO
		4193
2603	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	4197	}
2616		4198
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	4199	our $_log_backtrace;
2618	reentrant => 0,	4200	our $_log_backtrace_last;
2619	data => WF_AUTOCANCEL,	4201
2620	after => 1,	4202	sub _log_backtrace {
2621	interval => 10,	4203	my ($msg, @addr) = @_;
2622	prio => 6, # keep it lowest so it acts like a watchdog	4204
2623	cb => Coro::unblock_sub {	4205	$msg =~ s/\n$//;
2624	write_runtime	4206
2625	or warn "ERROR: unable to write runtime file: $!";	4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4210	# limit the # of concurrent backtraces
		4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
		4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
		4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
		4218	my @bt = fork_call {
		4219	@addr = map { sprintf "%x", $_ } @addr;
		4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4222	or die "addr2line: $!";
		4223
		4224	my @funcs;
		4225	my @res = <$fh>;
		4226	chomp for @res;
		4227	while (@res) {
		4228	my ($func, $line) = splice @res, 0, 2, ();
		4229	push @funcs, "[$func] $line";
		4230	}
		4231
		4232	@funcs
		4233	};
		4234
		4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4237	LOG llevInfo, "[ABT] $_\n" for @bt;
		4238	--$_log_backtrace;
		4239	};
		4240	} else {
		4241	LOG llevInfo, "[ABT] $msg\n";
		4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2626	},	4243	}
2627	);	4244	}
		4245
		4246	# load additional modules
		4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
2628		4249
2629	END { cf::emergency_save }	4250	END { cf::emergency_save }
2630		4251
2631	1	4252	1
2632		4253

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