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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.248 by root, Tue Apr 17 18:40:32 2007 UTC vs.
Revision 1.568 by root, Tue May 3 17:12:14 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.61 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98
		99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
58		120
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	123	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
69		132
70	our %CFG;	133	our %CFG;
71		134
72	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
74		138
75	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		142
81	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
84	binmode STDOUT;	156	binmode STDOUT;
85	binmode STDERR;	157	binmode STDERR;
86		158
87	# read virtual server time, if available	159	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
92	}	164	}
93		165
94	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	167
96	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		170
101	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
102		172
103	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
104		189
105	#############################################################################	190	#############################################################################
106		191
107	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
108		193
…		…
115	=item $cf::RUNTIME	200	=item $cf::RUNTIME
116		201
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	203	every server tick.
119		204
120	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		208
122	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
124		213
125	=item $cf::NOW	214	=item $cf::NOW
126		215
127	The time of the last (current) server tick.	216	The time of the last (current) server tick.
128		217
129	=item $cf::TICK	218	=item $cf::TICK
130		219
131	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
132		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
133	=item %cf::CFG	232	=item %cf::CFG
134		233
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	235	from wherever your confdir points to.
137		236
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		238
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
144	=back	260	=back
145		261
146	=cut	262	=cut
147		263
148	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
149	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
150	my $msg = join "", @_;	271	my $msg = join "", @_;
151	utf8::encode $msg;
152		272
153	$msg .= "\n"	273	$msg .= "\n"
154	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
155		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
156	LOG llevError, $msg;	278	LOG llevWarn, $msg;
157	};	279	};
158	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
159		294
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		302
167	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	304	# within the Safe compartment.
169	for my $pkg (qw(	305	for my $pkg (qw(
170	cf::global cf::attachable	306	cf::global cf::attachable
171	cf::object cf::object::player	307	cf::object cf::object::player
172	cf::client cf::player	308	cf::client cf::player
173	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
174	cf::map cf::party cf::region	311	cf::party cf::region
175	)) {	312	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	314	}
179		315
180	$Event::DIED = sub {	316	$EV::DIED = sub {
181	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
182	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
183		326
184	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
185		328
186	=over 4	329	=over 4
187		330
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	350	$d
208	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
209	}	352	}
210		353
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
212		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
213	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
214		369
215	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
216		371
217	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
218		373
219	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
220		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
221	=item cf::lock_wait $string	445	=item cf::lock_wait $string
222		446
223	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
224		448
225	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
226		450
227	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
230	returned.	454	returned.
231		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
232	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
234		461
235	=cut	462	=item $locked = cf::lock_active $string
236		463
237	our %LOCK;	464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
238		469
239	sub lock_wait($) {	470	sub lock_wait($) {
240	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	472	}
248		473
249	sub lock_acquire($) {	474	sub lock_acquire($) {
250	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
251		477
252	# wait, to be sure we are not locked	478	sub lock_active($) {
253	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	480	}
262		481
263	sub freeze_mainloop {	482	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
265		484
266	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
268	};	556	}
269	$TICK_WATCHER->stop;	557	};
270	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
271	}	572	}
272		573
273	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
274		575
275	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		581
281	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
282		583
283	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
284		585
285	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
288		590
289	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
292	fast or be very important.	594	fast or be very important.
…		…
294	=cut	596	=cut
295		597
296	sub sync_job(&) {	598	sub sync_job(&) {
297	my ($job) = @_;	599	my ($job) = @_;
298		600
299	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
300	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
302		606
303	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	608
305	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
306		610
307	my $busy = 1;	611	my $busy = 1;
308	my @res;	612	my @res;
309		613
310	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	616	@res = eval { $job->() };
312	warn $@ if $@;	617	error $@ if $@;
313	undef $busy;	618	undef $busy;
314	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
315		620
316	while ($busy) {	621	while ($busy) {
317	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
318	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
319		632
320	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
321	} else {	634	} else {
322	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
323		636
…		…
343	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
344		657
345	$coro	658	$coro
346	}	659	}
347		660
348	sub write_runtime {	661	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		662
351	my $runtime = cf::localdir . "/runtime";	663	Executes the given code block with the given arguments in a seperate
		664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
352		667
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
354	or return;
355		669
356	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
358	# 60 allows for the watchdog to kill the server.	672	}
359		673
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
361	and return;	675	my ($cb, @args) = @_;
362		676
363	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
365	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
366		680
367	close $fh	681	my @res = Coro::Util::fork_eval {
368	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
369		685
370	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
371	and return;	687	}
372		688
		689	sub objinfo {
373	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
374	}	853	}
375		854
376	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
377		856
378	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
379		858
380	=cut	859	=cut
381		860
382	sub datalog($@) {	861	sub datalog($@) {
383	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	864	}
386		865
387	=back	866	=back
388		867
389	=cut	868	=cut
390		869
391	#############################################################################	870	#############################################################################
392		871
393	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
394		873
395	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
398		877
399	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	880	Deliantra).
402		881
403	=over 4	882	=over 4
404		883
405	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
406		885
…		…
450	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
451		930
452	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
454		933
455	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
457		936
458	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
459		938
460	=over 4	939	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
570		1049
571	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1054
576	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
578		1057
579	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
584		1063
585	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1066
588	} elsif (ref $type) {	1067	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
590		1069
591	} else {	1070	} else {
592	shift @arg;	1071	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
594	}	1073	}
595	}	1074	}
596	}	1075	}
597		1076
598	sub _object_attach {	1077	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
609	}	1088	}
610		1089
611	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
612	} else {	1091	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1093	}
615		1094
616	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
617	}	1096	}
618		1097
…		…
620	if (ref $_[0]) {	1099	if (ref $_[0]) {
621	_object_attach @_;	1100	_object_attach @_;
622	} else {	1101	} else {
623	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
624	}	1103	}
		1104	_recalc_want;
625	};	1105	};
626		1106
627	# all those should be optimised	1107	# all those should be optimised
628	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1113	reattach ($obj);
634	} else {	1114	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
636	}	1116	}
		1117	_recalc_want;
637	};	1118	};
638		1119
639	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
641		1122
…		…
656	";	1137	";
657	die if $@;	1138	die if $@;
658	}	1139	}
659		1140
660	our $override;	1141	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1143
663	sub override {	1144	sub override {
664	$override = 1;	1145	$override = 1;
665	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
666	}	1147	}
667		1148
668	sub do_invoke {	1149	sub do_invoke {
669	my $event = shift;	1150	my $event = shift;
670	my $callbacks = shift;	1151	my $callbacks = shift;
671		1152
672	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
673		1154
674	local $override;	1155	local $override;
675		1156
676	for (@$callbacks) {	1157	for (@$callbacks) {
677	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
678		1159
679	if ($@) {	1160	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1162	override;
683	}	1163	}
684		1164
685	return 1 if $override;	1165	return 1 if $override;
686	}	1166	}
687		1167
688	0	1168	0
689	}	1169	}
690		1170
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1172
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1174
695	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
696		1176
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1180
701	=back	1181	=back
702		1182
703	=cut	1183	=cut
704		1184
705	#############################################################################	1185	#############################################################################
706	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
707		1229
708	sub reattach {	1230	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1232	my ($obj) = @_;
711		1233
		1234	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1236
714	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
715		1238
716	@$registry = ();	1239	@$registry = ();
717		1240
…		…
722	for (@$attach) {	1245	for (@$attach) {
723	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
725	}	1248	}
726	} else {	1249	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1251	}
729	}	1252	}
730	}	1253	}
731		1254
732	cf::attachable->attach (	1255	cf::attachable->attach (
733	prio => -1000000,	1256	prio => -1000000,
734	on_instantiate => sub {	1257	on_instantiate => sub {
735	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
736		1259
737	$data = from_json $data;	1260	$data = decode_json $data;
738		1261
739	for (@$data) {	1262	for (@$data) {
740	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
741		1264
742	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1281	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
760		1283
761	sync_job {	1284	sync_job {
762	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
765		1290
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
770	close $fh;	1298	aio_close $fh;
771		1299
772	if (@$objs) {	1300	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
778	close $fh;	1309	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
780	}	1311	}
781	} else {	1312	} else {
782	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
783	}	1314	}
784		1315
785	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1320	} else {
787	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
788	}	1322	}
789	} else {	1323	} else {
790	aio_unlink $filename;	1324	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
792	}	1326	}
793	}	1327	};
794	}	1328	}
795		1329
796	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
798		1332
…		…
810	or return;	1344	or return;
811		1345
812	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
814	or return;	1348	or return;
		1349
815	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
816	}	1352	}
817		1353
		1354	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
820	return ($data, $av);	1359	($data, $av)
821	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
822		1367
823	#############################################################################	1368	#############################################################################
824	# command handling &c	1369	# command handling &c
825		1370
826	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1385	}
841		1386
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1388
844	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
845		1394
846	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
847	called.	1396	called.
848		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
849	=cut	1409	=cut
850		1410
851	sub register_extcmd {	1411	sub register_extcmd {
852	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
853		1413
854	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
855	}	1415	}
856		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
857	cf::player->attach (	1425	cf::player->attach (
858	on_command => sub {	1426	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
860		1428
861	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
862	or return;	1430	or return;
863		1431
…		…
868	cf::override;	1436	cf::override;
869	},	1437	},
870	on_extcmd => sub {	1438	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
872		1440
873	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1442
875	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
881	} else {	1458	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1460	}
884		1461
885	cf::override;	1462	cf::override;
886	},	1463	},
887	);	1464	);
888		1465
		1466	# "readahead" all extensions
889	sub load_extension {	1467	sub cache_extensions {
890	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
891		1469
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1473	}
917	die $@;
918	}	1474	};
919		1475
920	push @EXTS, $pkg;	1476	$grp
921	}	1477	}
922		1478
923	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
924	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1486	next unless -r $path;
926	eval {	1487
927	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
928	1	1551	}
929	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
930	}	1564	};
931	}	1565	}
932		1566
933	#############################################################################	1567	#############################################################################
934		1568
		1569	=back
		1570
935	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
936		1572
937	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
938		1574
939	=cut	1575	=cut
940		1576
941	package cf::player;	1577	package cf::player;
942		1578
…		…
944		1580
945	=head3 cf::player	1581	=head3 cf::player
946		1582
947	=over 4	1583	=over 4
948		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
949	=item cf::player::find $login	1599	=item cf::player::find $login
950		1600
951	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
952		1602
953	=cut	1603	=cut
954		1604
955	sub playerdir($) {	1605	sub playerdir($) {
956	cf::localdir	1606	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1608	}
962		1609
963	sub path($) {	1610	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1621
975	sub exists($) {	1622	sub exists($) {
976	my ($login) = @_;	1623	my ($login) = @_;
977		1624
978	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
980	}	1627	}
981		1628
982	sub find($) {	1629	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1631	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
995		1642
996	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
997	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
999	}	1652	}
1000	}	1653	}
1001	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1002		1668
1003	sub save($) {	1669	sub save($) {
1004	my ($pl) = @_;	1670	my ($pl) = @_;
1005		1671
1006	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1012		1678
1013	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1015		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1016	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1017	Coro::cede;	1688	cf::cede_to_tick;
1018	}	1689	}
1019		1690
1020	sub new($) {	1691	sub new($) {
1021	my ($login) = @_;	1692	my ($login) = @_;
1022		1693
…		…
1028	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1029		1700
1030	$self	1701	$self
1031	}	1702	}
1032		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1033	=item $pl->quit_character	1714	=item $pl->quit_character
1034		1715
1035	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1037		1718
…		…
1041	my ($pl) = @_;	1722	my ($pl) = @_;
1042		1723
1043	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1044		1725
1045	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1728
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1051	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1052		1737
1053	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1085		1770
1086	=cut	1771	=cut
1087		1772
1088	sub list_logins {	1773	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1775	or return [];
1091		1776
1092	my @logins;	1777	my @logins;
1093		1778
1094	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1098		1789
1099	utf8::decode $login;	1790	utf8::decode $login;
1100	push @logins, $login;	1791	push @logins, $login;
1101	}	1792	}
1102		1793
1103	\@logins	1794	\@logins
1104	}	1795	}
1105		1796
1106	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1107		1800
1108	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1109	player. May block.	1802	player. May block.
1110		1803
1111	=cut	1804	=cut
…		…
1129	}	1822	}
1130		1823
1131	\@paths	1824	\@paths
1132	}	1825	}
1133		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1134	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1135		1832
1136	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1137		1834
1138	=cut	1835	=cut
1139		1836
1140	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1142		1839
1143	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1841	}
1147		1842
1148	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1149		1844
1150	Sends an ext event to the client.	1845	Sends an ext event to the client.
1151		1846
1152	=cut	1847	=cut
1153		1848
1154	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1156		1851
1157	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1158	}	1853	}
1159		1854
1160	=head3 cf::region	1855	=head3 cf::region
1161		1856
1162	=over 4	1857	=over 4
…		…
1165		1860
1166	package cf::region;	1861	package cf::region;
1167		1862
1168	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1169		1864
1170	Tries to decuce the probable region for a map knowing only its path.	1865	Tries to decuce the likely region for a map knowing only its path.
1171		1866
1172	=cut	1867	=cut
1173		1868
1174	sub find_by_path($) {	1869	sub find_by_path($) {
1175	my ($path) = @_;	1870	my ($path) = @_;
1176		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1177	my ($match, $specificity);	1874	my ($match, $specificity);
1178		1875
1179	for my $region (list) {	1876	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1183	}	1880	}
1184	}	1881	}
1185		1882
…		…
1206	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1208		1905
1209	sub generate_random_map {	1906	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1212	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	1912	}
1226		1913
1227	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1228		1915
1229	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1234		1921
1235	sub register {	1922	sub register {
1236	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1924	my $pkg = caller;
1238		1925
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1927
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1929	}
1244		1930
1245	# also paths starting with '/'	1931	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1933
1248	sub thawer_merge {	1934	sub thawer_merge {
1249	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1250		1936
1251	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1252	local $self->{path};	1938	local $self->{path};
1253	local $self->{load_path};	1939	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1940
1257	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1258	}	1942	}
1259		1943
1260	sub normalise {	1944	sub normalise {
1261	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1262		1946
1263	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1264		1948
1265	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1266		1950
1267	# map plan:	1951	# map plan:
1268	#	1952	#
…		…
1283	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	1968	$path = "$base/$path";
1285	}	1969	}
1286		1970
1287	for ($path) {	1971	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1291	}	1974	}
1292		1975
1293	$path	1976	$path
…		…
1307	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1308	return $self;	1991	return $self;
1309	}	1992	}
1310	}	1993	}
1311		1994
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	1996	()
1314	}	1997	}
1315		1998
		1999	# may re-bless or do other evil things
1316	sub init {	2000	sub init {
1317	my ($self) = @_;	2001	my ($self) = @_;
1318		2002
1319	$self	2003	$self
1320	}	2004	}
…		…
1332		2016
1333	# the original (read-only) location	2017	# the original (read-only) location
1334	sub load_path {	2018	sub load_path {
1335	my ($self) = @_;	2019	my ($self) = @_;
1336		2020
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1338	}	2022	}
1339		2023
1340	# the temporary/swap location	2024	# the temporary/swap location
1341	sub save_path {	2025	sub save_path {
1342	my ($self) = @_;	2026	my ($self) = @_;
1343		2027
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1346	}	2030	}
1347		2031
1348	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1349	sub uniq_path {	2033	sub uniq_path {
1350	my ($self) = @_;	2034	my ($self) = @_;
1351		2035
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1354	}	2038	}
1355		2039
1356	# and all this just because we cannot iterate over	2040	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2041	my ($self) = @_;
1360		2042
1361	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1363	}	2046	}
1364		2047
1365	sub unlink_save {	2048	sub unlink_save {
1366	my ($self) = @_;	2049	my ($self) = @_;
1367		2050
…		…
1372		2055
1373	sub load_header_from($) {	2056	sub load_header_from($) {
1374	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1375		2058
1376	utf8::encode $path;	2059	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2061	or return;
1382		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1383	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1384		2070
1385	1	2071	1
1386	}	2072	}
1387		2073
		2074	# used to laod the header of an original map
1388	sub load_header_orig {	2075	sub load_header_orig {
1389	my ($self) = @_;	2076	my ($self) = @_;
1390		2077
1391	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1392	}	2079	}
1393		2080
		2081	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2082	sub load_header_temp {
1395	my ($self) = @_;	2083	my ($self) = @_;
1396		2084
1397	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1398	}	2086	}
1399		2087
		2088	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2089	sub prepare_temp {
1401	my ($self) = @_;	2090	my ($self) = @_;
1402		2091
1403	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1405	# safety	2094	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2097	}
1409		2098
		2099	# called after loading the header from an original map
1410	sub prepare_orig {	2100	sub prepare_orig {
1411	my ($self) = @_;	2101	my ($self) = @_;
1412		2102
1413	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2115	$self->load_header_orig
1426	or return;	2116	or return;
1427	$self->prepare_orig;	2117	$self->prepare_orig;
1428	}	2118	}
1429		2119
		2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
		2122
1430	$self->default_region (cf::region::find_by_path $self->{path})	2123	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2124	unless $self->default_region;
1432		2125
1433	1	2126	1
1434	}	2127	}
1435		2128
1436	sub find;	2129	sub find;
1437	sub find {	2130	sub find {
1438	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1439		2132
		2133	cf::cede_to_tick;
		2134
1440	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1441		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2139
1444	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1447	or return;	2142	or return;
1448		2143
1449	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1450		2145
1451	$map->load_header	2146	$map->load_header
1452	or return;	2147	or return;
1453		2148
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1457	$map->reset;	2154	$map->reset;
1458	undef $guard;
1459	return find $path;	2155	return find $path;
1460	}	2156	}
1461		2157
1462	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1463	}	2159	}
1464	}	2160	}
1465		2161
1466	sub pre_load { }	2162	sub pre_load { }
1467	sub post_load { }	2163	#sub post_load { } # XS
1468		2164
1469	sub load {	2165	sub load {
1470	my ($self) = @_;	2166	my ($self) = @_;
1471		2167
1472	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1473		2169
1474	my $path = $self->{path};	2170	my $path = $self->{path};
		2171
		2172	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1476		2174
		2175	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2177
1479	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1480		2179
1481	$self->alloc;	2180	$self->alloc;
1482		2181
1483	$self->pre_load;	2182	$self->pre_load;
1484	Coro::cede;	2183	cf::cede_to_tick;
1485		2184
1486	$self->_load_objects ($self->{load_path}, 1)	2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1487	or return;	2189	or return;
1488		2190
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1490	if delete $self->{load_original};	2192	if delete $self->{load_original};
1491		2193
1492	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2195	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2198	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1497	}	2203	}
1498	}
1499		2204
1500	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
		2210
		2211	cf::cede_to_tick;
1501	# now do the right thing for maps	2212	# now do the right thing for maps
1502	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2215	unless $self->difficulty;
1513	Coro::cede;	2216	cf::cede_to_tick;
1514	$self->activate;	2217
1515	Coro::cede;	2218	unless ($self->{deny_activate}) {
		2219	$self->decay_objects;
		2220	$self->fix_auto_apply;
		2221	$self->update_buttons;
		2222	cf::cede_to_tick;
		2223	#$self->activate; # no longer activate maps automatically
		2224	}
		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
		2228
		2229	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2230	}
1517		2231
1518	$self->post_load;	2232	$self->post_load;
1519	Coro::cede;
1520		2233
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2234	1
1522	}	2235	}
1523		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2240	sub customise_for {
1525	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1526		2242
1527	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2244	if $self->per_player;
1529		2245
		2246	# return find "?party/" . $ob->name . "/" . $self->{path}
		2247	# if $self->per_party;
		2248
1530	$self	2249	$self
1531	}	2250	}
1532		2251
1533	# find and load all maps in the 3x3 area around a map	2252	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2253	sub load_neighbours {
1535	my ($map) = @_;	2254	my ($map) = @_;
1536		2255
1537	my @diag; # diagonal neighbours	2256	my @neigh; # diagonal neighbours
1538		2257
1539	for (0 .. 3) {	2258	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2259	my $neigh = $map->tile_path ($_)
1541	or next;	2260	or next;
1542	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1543	or next;	2262	or next;
1544	$neigh->load;	2263	$neigh->load;
1545		2264
		2265	# now find the diagonal neighbours
		2266	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2269	}
1549		2270
1550	for (@diag) {	2271	for (grep defined $_->[0], @neigh) {
		2272	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2273	my $neigh = find $path, $origin
1552	or next;	2274	or next;
1553	$neigh->load;	2275	$neigh->load;
1554	}	2276	}
1555	}	2277	}
1556		2278
1557	sub find_sync {	2279	sub find_sync {
1558	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1559		2281
1560	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1561	}	2286	}
1562		2287
1563	sub do_load_sync {	2288	sub do_load_sync {
1564	my ($map) = @_;	2289	my ($map) = @_;
1565		2290
1566	cf::sync_job { $map->load };	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1567	}	2295	}
1568		2296
1569	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1571		2299
1572	sub find_async {	2300	sub find_async {
1573	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1574		2302
1575	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1576		2304
1577	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2307	}
1580		2308
1581	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1582	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1583	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2316	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2317	$map->load if $v;
		2318	}
1588		2319
1589	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1590	}	2321	}
1591	}	2322	}
1592	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1593	};	2324	};
1594	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1595		2326
1596	()	2327	()
1597	}	2328	}
1598		2329
		2330	# common code, used by both ->save and ->swapout
1599	sub save {	2331	sub _save {
1600	my ($self) = @_;	2332	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2333
1604	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1605		2335
1606	return unless $self->dirty;	2336	return unless $self->dirty;
1607		2337
…		…
1613	return if $self->{deny_save};	2343	return if $self->{deny_save};
1614		2344
1615	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1616		2346
1617	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1619	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1620		2353
1621	if ($uniq) {	2354	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2357	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2359	}
1627	}	2360	}
1628		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1629	sub swap_out {	2370	sub swap_out {
1630	my ($self) = @_;	2371	my ($self) = @_;
1631		2372
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
1637	return if $self->players;	2377	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1641	$self->clear;	2388	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2389	}
1644		2390
1645	sub reset_at {	2391	sub reset_at {
1646	my ($self) = @_;	2392	my ($self) = @_;
1647		2393
1648	# TODO: safety, remove and allow resettable per-player maps	2394	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2395	return 1e99 if $self->{deny_reset};
1651		2396
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2399
…		…
1665	my ($self) = @_;	2410	my ($self) = @_;
1666		2411
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2413
1669	return if $self->players;	2414	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2415
1672	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
1673		2417
1674	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1675		2419
1676	# need to save uniques path	2420	# need to save uniques path
1677	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2425	if $uniq;
1682	}	2426	}
1683		2427
1684	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1685		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2432	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2433
1690	$self->unlink_save;	2434	$self->unlink_save;
1691	$self->destroy;	2435	$self->destroy;
1692	}	2436	}
1693		2437
1694	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1695		2439
1696	sub nuke {	2440	sub nuke {
1697	my ($self) = @_;	2441	my ($self) = @_;
1698		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1699	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1700		2447
1701	$self->unlink_save;	2448	$self->unlink_save;
1702		2449
1703	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2455
1709	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1710		2458
1711	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
		2460	}
		2461
		2462	=item $maps = cf::map::tmp_maps
		2463
		2464	Returns an arrayref with all map paths of currently instantiated and saved
		2465	maps. May block.
		2466
		2467	=cut
		2468
		2469	sub tmp_maps() {
		2470	[
		2471	map {
		2472	utf8::decode $_;
		2473	/\.map$/
		2474	? normalise $_
		2475	: ()
		2476	} @{ aio_readdir $TMPDIR or [] }
		2477	]
		2478	}
		2479
		2480	=item $maps = cf::map::random_maps
		2481
		2482	Returns an arrayref with all map paths of currently instantiated and saved
		2483	random maps. May block.
		2484
		2485	=cut
		2486
		2487	sub random_maps() {
		2488	[
		2489	map {
		2490	utf8::decode $_;
		2491	/\.map$/
		2492	? normalise "?random/$_"
		2493	: ()
		2494	} @{ aio_readdir $RANDOMDIR or [] }
		2495	]
1712	}	2496	}
1713		2497
1714	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1715		2499
1716	Returns an arrayref of paths of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2501	instantiated unique items. May block.
1718		2502
1719	=cut	2503	=cut
1720		2504
1721	sub unique_maps() {	2505	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2506	[
1723	or return;	2507	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2508	utf8::decode $_;
1729	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2511	? ()
1732	push @paths, cf::map::normalise $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2514	]
1734
1735	\@paths
1736	}	2515	}
1737		2516
1738	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1739		2548
1740	=back	2549	=back
1741		2550
1742	=head3 cf::object	2551	=head3 cf::object
1743		2552
…		…
1747		2556
1748	=over 4	2557	=over 4
1749		2558
1750	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1751		2560
1752	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
1753		2563
1754	=cut	2564	=cut
1755		2565
1756	sub inv_recursive_;	2566	sub inv_recursive_;
1757	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1760		2570
1761	sub inv_recursive {	2571	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1763	}	2573	}
1764		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
1765	package cf;	2603	package cf;
1766		2604
1767	=back	2605	=back
1768		2606
1769	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1778		2616
1779	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
1780		2632
1781	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2634	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1786		2638
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2640
1789	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1791	} else {	2644	} else {
		2645	my $pl = $self->contr;
		2646
		2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2648	my $dialog = $pl->{npc_dialog};
		2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2650
		2651	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1794	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
1795	}	2666	}
1796		2667
1797	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1798		2669
1799	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1812		2683
1813	=item $player_object->enter_link	2684	=item $player_object->enter_link
1814		2685
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2687
1817	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
1819		2692
1820	Will never block.	2693	Will never block.
1821		2694
1822	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1823		2696
…		…
1843	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2717	my ($self) = @_;
1845		2718
1846	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1847		2720
		2721	++$self->{_link_recursion};
		2722
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2724
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1852		2727
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2729	}
1855		2730
1856	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1858		2735
1859	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1860		2737
1861	unless ($map) {	2738	unless ($map) {
1862	# restore original map position	2739	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1875		2752
1876	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1879		2756
1880	$map->load;	2757	$map->load;
1881	$map->load_diag;	2758	$map->load_neighbours;
1882		2759
1883	return unless $self->contr->active;	2760	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2761
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
1888	}	2764	# entering was successful
1889		2765	delete $self->{_link_recursion};
1890	cf::player->attach (	2766	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2767	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2768	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2769
1904	# try to abort aborted map switching on player login :)	2770	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2771
1922	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2773
		2774	Moves the player to the given map-path and coordinates by first freezing
		2775	her, loading and preparing them map, calling the provided $check callback
		2776	that has to return the map if sucecssful, and then unfreezes the player on
		2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
1924	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1925		2786
1926	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
		2796	# do generation counting so two concurrent goto's will be executed in-order
		2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2798
1929	$self->enter_link;	2799	$self->enter_link;
1930		2800
1931	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
1932	my $map = eval {	2823	my $map = eval {
1933	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2825
		2826	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2827	$map = $map->customise_for ($self);
		2828	$map = $check->($map, $x, $y, $self) if $check && $map;
		2829	} else {
		2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	}
		2832
1935	$map	2833	$map
		2834	};
		2835
		2836	if ($@) {
		2837	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2838	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2839	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2840
		2841	if ($gen == $self->{_goto_generation}) {
		2842	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1940	})->prio (1);	2847	})->prio (1);
1941	}	2848	}
1942		2849
1943	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
1944		2851
…		…
1964	}	2871	}
1965		2872
1966	sub prepare_random_map {	2873	sub prepare_random_map {
1967	my ($exit) = @_;	2874	my ($exit) = @_;
1968		2875
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2878	# that depends on the exit object
1974		2879
1975	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2882	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
1982	}	2889	}
1983		2890
1984	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
1985		2892
1986	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
1989		2896
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2899	undef $fh;
1993	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
1994		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
1997	}	2908	}
1998	}	2909	}
1999		2910
2000	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2002		2913
2003	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2004		2915
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2916	$self->enter_link;
2017		2917
2018	(async {	2918	(async {
2019	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2020	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2021	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2022		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2023	1;	2955	1
2024	}) {	2956	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2961
2030	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2963	$self->leave_link;
2032	}	2964	}
2033	})->prio (1);	2965	})->prio (1);
2034	}	2966	}
2035		2967
…		…
2049		2981
2050	utf8::encode $text;	2982	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2984	}
2053		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
		3009	}
		3010
		3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3012
		3013	Send a drawinfo or msg packet to the client, formatting the msg for the
		3014	client if neccessary. C<$type> should be a string identifying the type of
		3015	the message, with C<log> being the default. If C<$color> is negative, suppress
		3016	the message unless the client supports the msg packet.
		3017
		3018	=cut
		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
		3134	sub cf::client::send_msg {
		3135	my ($self, $channel, $msg, $color, @extra) = @_;
		3136
		3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
		3139
		3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3141
		3142	# check predefined channels, for the benefit of C
		3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
		3149	} elsif (ref $channel) {
		3150	# send meta info to client, if not yet sent
		3151	unless (exists $self->{channel}{$channel->{id}}) {
		3152	$self->{channel}{$channel->{id}} = $channel;
		3153	$self->ext_msg (channel_info => $channel);
		3154	}
		3155
		3156	$channel = $channel->{id};
		3157	}
		3158
		3159	return unless @extra || length $msg;
		3160
		3161	# default colour, mask it out
		3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3163	if $color & cf::NDI_DEF;
		3164
		3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
		3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3168	);
		3169
		3170	$self->send_big_packet ($pkt);
		3171	}
		3172
2054	=item $client->ext_event ($type, %msg)	3173	=item $client->ext_msg ($type, @msg)
2055		3174
2056	Sends an exti event to the client.	3175	Sends an ext event to the client.
2057		3176
2058	=cut	3177	=cut
2059		3178
2060	sub cf::client::ext_event($$%) {	3179	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3180	my ($self, $type, @msg) = @_;
2062		3181
		3182	if ($self->extcmd == 2) {
		3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3184	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3185	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3187	}
		3188	}
		3189
		3190	=item $client->ext_reply ($msgid, @msg)
		3191
		3192	Sends an ext reply to the client.
		3193
		3194	=cut
		3195
		3196	sub cf::client::ext_reply($$@) {
		3197	my ($self, $id, @msg) = @_;
		3198
		3199	if ($self->extcmd == 2) {
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3201	} elsif ($self->extcmd == 1) {
		3202	#TODO: version 1, remove
		3203	unshift @msg, msgtype => "reply", msgid => $id;
		3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3205	}
2065	}	3206	}
2066		3207
2067	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2068		3209
2069	Queues a query to the client, calling the given callback with	3210	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3211	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3212	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3213
2073	Queries can fail, so check the return code. Or don't, as queries will become	3214	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3215	become reliable at some point in the future.
2075		3216
2076	=cut	3217	=cut
2077		3218
2078	sub cf::client::query {	3219	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3220	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3228	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3229	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3230
2090	$self->send_packet ($self->{query_queue}[0][0])	3231	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3232	if @{ $self->{query_queue} } == 1;
		3233
		3234	1
2092	}	3235	}
2093		3236
2094	cf::client->attach (	3237	cf::client->attach (
		3238	on_connect => sub {
		3239	my ($ns) = @_;
		3240
		3241	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3242	},
2095	on_reply => sub {	3243	on_reply => sub {
2096	my ($ns, $msg) = @_;	3244	my ($ns, $msg) = @_;
2097		3245
2098	# this weird shuffling is so that direct followup queries	3246	# this weird shuffling is so that direct followup queries
2099	# get handled first	3247	# get handled first
…		…
2111	} else {	3259	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3260	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3261	}
2114	}	3262	}
2115	},	3263	},
		3264	on_exticmd => sub {
		3265	my ($ns, $buf) = @_;
		3266
		3267	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3268
		3269	if (ref $msg) {
		3270	my ($type, $reply, @payload) =
		3271	"ARRAY" eq ref $msg
		3272	? @$msg
		3273	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3274
		3275	my @reply;
		3276
		3277	if (my $cb = $EXTICMD{$type}) {
		3278	@reply = $cb->($ns, @payload);
		3279	}
		3280
		3281	$ns->ext_reply ($reply, @reply)
		3282	if $reply;
		3283
		3284	} else {
		3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3286	}
		3287
		3288	cf::override;
		3289	},
2116	);	3290	);
2117		3291
2118	=item $client->async (\&cb)	3292	=item $client->async (\&cb)
2119		3293
2120	Create a new coroutine, running the specified callback. The coroutine will	3294	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3310
2137	$coro	3311	$coro
2138	}	3312	}
2139		3313
2140	cf::client->attach (	3314	cf::client->attach (
2141	on_destroy => sub {	3315	on_client_destroy => sub {
2142	my ($ns) = @_;	3316	my ($ns) = @_;
2143		3317
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3319	},
2146	);	3320	);
…		…
2161	our $safe = new Safe "safe";	3335	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2163		3337
2164	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2165		3339
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3340	$safe->permit_only (Opcode::opset qw(
		3341	:base_core :base_mem :base_orig :base_math :base_loop
		3342	grepstart grepwhile mapstart mapwhile
		3343	sort time
		3344	));
2167		3345
2168	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
2169		3347
2170	=pod	3348	=pod
2171		3349
2172	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2173		3351
2174	cf::object contr pay_amount pay_player map	3352	cf::object
		3353	contr pay_amount pay_player map x y force_find force_add destroy
		3354	insert remove name archname title slaying race decrease split
		3355	value
		3356
2175	cf::object::player player	3357	cf::object::player
2176	cf::player peaceful	3358	player
2177	cf::map trigger	3359
		3360	cf::player
		3361	peaceful
		3362
		3363	cf::map
		3364	trigger
2178		3365
2179	=cut	3366	=cut
2180		3367
2181	for (	3368	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3370	insert remove inv nrof name archname title slaying race
		3371	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2186	) {	3375	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3378	for @funs;
2191	}	3379	}
2192		3380
…		…
2207		3395
2208	my $qcode = $code;	3396	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2211		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2212	local $_;	3403	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3404
2215	my $eval =	3405	my $eval =
2216	"do {\n"	3406	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3409	. $code
2220	. "\n}"	3410	. "\n}"
2221	;	3411	;
2222		3412
		3413	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2226		3422
2227	if ($@) {	3423	if ($@) {
2228	warn "$@";	3424	warn "$@",
2229	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2231	}	3427	}
2232		3428
2233	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2234	}	3430	}
2235		3431
…		…
2249	=cut	3445	=cut
2250		3446
2251	sub register_script_function {	3447	sub register_script_function {
2252	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2253		3449
2254	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2256	}	3452	}
2257		3453
2258	=back	3454	=back
2259		3455
2260	=cut	3456	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3457
2334	#############################################################################	3458	#############################################################################
2335	# the server's init and main functions	3459	# the server's init and main functions
2336		3460
2337	sub load_facedata($) {	3461	sub load_facedata($) {
2338	my ($path) = @_;	3462	my ($path) = @_;
2339		3463
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3469
2340	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2341		3471
2342	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2343	0 < aio_load $path, $facedata
2344	or die "$path: $!";
2345
2346	$facedata = Coro::Storable::thaw $facedata;
2347		3473
2348	$facedata->{version} == 2	3474	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3476
		3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3479	$facedata->{resource}{"res/exp_table"} = {
		3480	type => FT_RSRC,
		3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
		3483	};
		3484	cf::cede_to_tick;
		3485
2351	{	3486	{
2352	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2353		3488
2354	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3492	cf::face::set_visibility $idx, $info->{visibility};
		3493	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3497
		3498	cf::cede_to_tick;
2360	}	3499	}
2361		3500
2362	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2364	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
2365	or next;	3505	or next;
		3506
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
		3508	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3510	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3512	}
2371	Coro::cede;	3513
		3514	cf::cede_to_tick;
2372	}	3515	}
2373	}	3516	}
2374		3517
2375	{	3518	{
2376	my $anims = $facedata->{animinfo};	3519	my $anims = $facedata->{animinfo};
2377		3520
2378	while (my ($anim, $info) = each %$anims) {	3521	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3522	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3523	cf::cede_to_tick;
2381	}	3524	}
2382		3525
2383	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
2384	}	3527	}
2385		3528
		3529	{
		3530	my $res = $facedata->{resource};
		3531
		3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
		3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3535
		3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3537	cf::face::set_type $idx, $info->{type};
		3538	} else {
		3539	$RESOURCE{$name} = $info; # unused
		3540	}
		3541
		3542	cf::cede_to_tick;
		3543	}
		3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3547
2386	1	3548	1
2387	}	3549	}
2388		3550
		3551	register_exticmd fx_want => sub {
		3552	my ($ns, $want) = @_;
		3553
		3554	while (my ($k, $v) = each %$want) {
		3555	$ns->fx_want ($k, $v);
		3556	}
		3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
		3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
		3574	load_resource_file "$MAPDIR/regions"
		3575	or die "unable to load regions file\n";
		3576
		3577	for (cf::region::list) {
		3578	$_->{match} = qr/$_->{match}/
		3579	if exists $_->{match};
		3580	}
		3581	}
		3582
2389	sub reload_facedata {	3583	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3584	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3585	or die "unable to load facedata\n";
2392	}	3586	}
2393		3587
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3588	sub reload_archetypes {
2400	load_resource_file sprintf "%s/archetypes", cf::datadir	3589	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3590	or die "unable to load archetypes\n";
2402	}	3591	}
2403		3592
2404	sub reload_treasures {	3593	sub reload_treasures {
2405	load_resource_file sprintf "%s/treasures", cf::datadir	3594	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
2407	}	3596	}
2408		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
2409	sub reload_resources {	3618	sub reload_resources {
2410	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
2411		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
2412	reload_regions;	3626	reload_regions;
2413	reload_facedata;
2414	reload_archetypes;
2415	reload_treasures;	3627	reload_treasures;
2416		3628
2417	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
2418	}	3630	}
2419		3631
2420	sub init {	3632	sub reload_config {
2421	reload_resources;	3633	trace "reloading config file...\n";
2422	}
2423		3634
2424	sub cfg_load {	3635	my $config = load_file "$CONFDIR/config";
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3636	utf8::decode $config;
2426	or return;	3637	*CFG = decode_yaml $config;
2427		3638
2428	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;
2430
2431	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2432		3640
2433	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2434	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2435		3643
2436	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
2440	};	3648	};
2441	warn $@ if $@;	3649	warn $@ if $@;
2442	}	3650	}
2443	}	3651	}
2444		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
2445	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
2446	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3694	(async {
2450	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
2452	};	3698	};
2453		3699
2454	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
2455	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
2456	load_extensions;	3723	load_extensions;
2457		3724
2458	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
2459	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
2460	}	3743	}
2461		3744
2462	#############################################################################	3745	#############################################################################
2463	# initialisation and cleanup	3746	# initialisation and cleanup
2464		3747
2465	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
2466	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
2475	},
2476	);	3754	};
		3755	}
		3756	}
		3757
		3758	sub write_runtime_sync {
		3759	my $t0 = AE::time;
		3760
		3761	# first touch the runtime file to show we are still running:
		3762	# the fsync below can take a very very long time.
		3763
		3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3765
		3766	my $guard = cf::lock_acquire "write_runtime";
		3767
		3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3769	or return;
		3770
		3771	my $value = $cf::RUNTIME + 90 + 10;
		3772	# 10 is the runtime save interval, for a monotonic clock
		3773	# 60 allows for the watchdog to kill the server.
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	# touch it again to show we are up-to-date
		3783	aio_utime $fh, undef, undef;
		3784
		3785	close $fh
		3786	or return;
		3787
		3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3789	and return;
		3790
		3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3792
2477	}	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
2478	}	3844	}
2479		3845
2480	sub emergency_save() {	3846	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
2482		3848
2483	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
2484		3855
2485	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
2486	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
2487	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
2488	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
2490	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3867	$pl->save;
2494	}	3868	}
2495	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
2496		3870
2497	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
2498	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
2499	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
2500	$map->valid or next;	3876	$map->valid or next;
2501	$map->save;	3877	$map->save;
2502	}	3878	}
2503	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
2504		3880
2505	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
2506	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
2507	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
2508	};	3909	};
2509		3910
2510	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
2511	}	3912	}
2512		3913
2513	sub post_cleanup {	3914	sub post_cleanup {
2514	my ($make_core) = @_;	3915	my ($make_core) = @_;
2515		3916
		3917	IO::AIO::flush;
		3918
2516	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
2517	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
2518	}	3949	}
2519		3950
2520	sub do_reload_perl() {	3951	sub do_reload_perl() {
2521	# can/must only be called in main	3952	# can/must only be called in main
2522	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
2523	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
2524	return;	3955	return;
2525	}	3956	}
2526		3957
2527	warn "reloading...";	3958	return if $RELOAD++;
2528		3959
2529	warn "entering sync_job";	3960	my $t1 = AE::time;
2530		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
2531	cf::sync_job {	3968	cf::sync_job {
2532	cf::write_runtime; # external watchdog should not bark
2533	cf::emergency_save;	3969	#cf::emergency_save;
2534	cf::write_runtime; # external watchdog should not bark
2535		3970
2536	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;
2538
2539	# if anything goes wrong in here, we should simply crash as we already saved
2540
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";
2547	for (;;) {
2548	BDB::flush;
2549	IO::AIO::flush;
2550	Coro::cede;
2551	last unless IO::AIO::nreqs || BDB::nreqs;
2552	warn "iterate...";
2553	}
2554
2555	++$RELOAD;
2556
2557	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
2558	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
2559	%EXT_CORO = ();	3973	%EXT_CORO = ();
2560		3974
2561	warn "removing commands";	3975	trace "perl_reload: removing commands";
2562	%COMMAND = ();	3976	%COMMAND = ();
2563		3977
2564	warn "removing ext commands";	3978	trace "perl_reload: removing ext/exti commands";
2565	%EXTCMD = ();	3979	%EXTCMD = ();
		3980	%EXTICMD = ();
2566		3981
2567	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
2570		3985
2571	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
2572	eval {	3987	eval {
2573	$cb->($pkg);	3988	$cb->($pkg);
2574	1	3989	1
2575	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
2576	}	3995	}
2577		3996
2578	warn "... nuking $pkg";
2579	Symbol::delete_package $pkg;
2580	}
2581
2582	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2583	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
2584	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2585		4000
2586	warn "... unloading $k";	4001	trace "... unloading $k";
2587	delete $INC{$k};	4002	delete $INC{$k};
2588		4003
2589	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
2590	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
2591		4006
2592	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
2593	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
2594	}	4012	}
2595		4013
2596	Symbol::delete_package $k;
2597	}
2598
2599	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
2600	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		4017
2603	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
		4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2605		4021
2606	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
2607	# and global variables created in xs	4023	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
2609		4025
2610	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
2611		4027
2612	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
2613	require cf;	4029	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
2615		4031
2616	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
2617	cf::cfg_load;	4033	cf::reload_config;
2618		4034
2619	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
2620	cf::load_extensions;	4036	cf::load_extensions;
2621		4037
		4038	if ($REATTACH_ON_RELOAD) {
2622	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
2623	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
2624	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
2625	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
2626	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
2627	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
2628		4046
2629	warn "leaving sync_job";	4047	cf::_post_init 1;
2630		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
2631	1	4051	1
2632	} or do {	4052	} or do {
2633	warn $@;	4053	error $@;
2634	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
2635	exit 1;	4055	};
		4056
		4057	--$RELOAD;
2636	};	4058	}
2637		4059
2638	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
2639	};	4062	};
2640		4063
2641	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
2642		4065
2643	sub reload_perl() {	4066	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
2646		4069
2647	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
2648	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
2649	after => 0,	4072
2650	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2651	cb => sub {
2652	do_reload_perl;	4074	do_reload_perl;
2653	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
2654	},	4076	};
2655	);	4077	};
2656	}	4078	}
2657		4079
2658	register_command "reload" => sub {	4080	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
2660		4082
2661	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	4087	reload_perl;
		4088	};
2664	}	4089	}
2665	};	4090	};
2666		4091
2667	unshift @INC, $LIBDIR;	4092	#############################################################################
2668		4093
2669	my $bug_warning = 0;	4094	my $bug_warning = 0;
2670		4095
2671	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
2672	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
2673		4098
2674	sub wait_for_tick {	4099	sub wait_for_tick() {
2675	return unless $TICK_WATCHER->is_active;
2676	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2677		4101
2678	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
2679	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
2680	$signal->wait;	4104	$signal->wait;
2681	}	4105	}
2682		4106
2683	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
2684	return unless $TICK_WATCHER->is_active;
2685	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2686		4109
2687	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	4112	$signal->wait;
2690	}	4113	}
2691		4114
2692	$TICK_WATCHER = Event->timer (	4115	sub tick {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
2702	return;	4119	return;
2703	}	4120	}
2704		4121
2705	$NOW = Event::time;
2706
2707	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
2708		4123
2709	$RUNTIME += $TICK;	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2710	$NEXT_TICK += $TICK;
2711		4125
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	4128	Coro::async_pool {
		4129	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	4130	write_runtime_sync
2716	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
2717	};
2718	}	4132	};
		4133	}
2719		4134
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	4136	$sig->send;
2731	}	4137	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	4139	$sig->send;
2734	}
2735
2736	_post_tick;
2737	},	4140	}
2738	);	4141
		4142	$LOAD = ($NOW - $TICK_START) / $TICK;
		4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4144
		4145	if (0) {
		4146	if ($NEXT_TICK) {
		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
		4151	}
		4152	}
2739		4153
2740	{	4154	{
2741	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	4156
2743	reentrant => 0,
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
2751		4158	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		4160
2767	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		4168
2770	cf::sync_job {	4169	cf::sync_job {
2771	eval {	4170	eval {
2772	BDB::db_env_open	4171	BDB::db_env_open
2773	$DB_ENV,	4172	$DB_ENV,
2774	$BDB_ENV_DIR,	4173	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	4176	0666;
2778		4177
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	4179	};
2784		4180
2785	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	4182	};
2787	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
2788	}	4194	}
2789		4195
2790	{	4196	{
		4197	# configure IO::AIO
		4198
2791	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
2796	reentrant => 0,
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	4202	}
		4203
		4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
		4206
		4207	sub _log_backtrace {
		4208	my ($msg, @addr) = @_;
		4209
		4210	$msg =~ s/\n$//;
		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4215	# limit the # of concurrent backtraces
		4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
		4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
		4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
		4223	my @bt = fork_call {
		4224	@addr = map { sprintf "%x", $_ } @addr;
		4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4227	or die "addr2line: $!";
		4228
		4229	my @funcs;
		4230	my @res = <$fh>;
		4231	chomp for @res;
		4232	while (@res) {
		4233	my ($func, $line) = splice @res, 0, 2, ();
		4234	push @funcs, "[$func] $line";
		4235	}
		4236
		4237	@funcs
		4238	};
		4239
		4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4242	LOG llevInfo, "[ABT] $_\n" for @bt;
		4243	--$_log_backtrace;
		4244	};
		4245	} else {
		4246	LOG llevInfo, "[ABT] $msg\n";
		4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4248	}
		4249	}
		4250
		4251	# load additional modules
		4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
2804		4254
2805	END { cf::emergency_save }	4255	END { cf::emergency_save }
2806		4256
2807	1	4257	1
2808		4258

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