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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.570 by root, Wed May 4 07:41:14 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
48	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	93	our @EVENT;
50	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
51		96
52	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	98
54	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	123	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
59		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
62		132
63	our %CFG;	133	our %CFG;
64		134
65	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
67		138
68	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		142
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $REALLY_UNLOOP; # never set to true, please :)
		155
80	binmode STDOUT;	156	binmode STDOUT;
81	binmode STDERR;	157	binmode STDERR;
82		158
83	# read virtual server time, if available	159	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
88	}	164	}
89		165
90	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	167
92	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		170
97	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
98		172
99	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::"} };
100		189
101	#############################################################################	190	#############################################################################
102		191
103	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
104		193
…		…
111	=item $cf::RUNTIME	200	=item $cf::RUNTIME
112		201
113	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
114	every server tick.	203	every server tick.
115		204
116	=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
117		208
118	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		213
121	=item $cf::NOW	214	=item $cf::NOW
122		215
123	The time of the last (current) server tick.	216	The time of the last (current) server tick.
124		217
125	=item $cf::TICK	218	=item $cf::TICK
126		219
127	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
128		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
129	=item %cf::CFG	232	=item %cf::CFG
130		233
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	235	from wherever your confdir points to.
133		236
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		238
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
138	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
140		259
141	=back	260	=back
142		261
143	=cut	262	=cut
144		263
145	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
146	*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 {
147	my $msg = join "", @_;	271	my $msg = join "", @_;
148	utf8::encode $msg;
149		272
150	$msg .= "\n"	273	$msg .= "\n"
151	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
152		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
153	LOG llevError, $msg;	278	LOG llevWarn, $msg;
154	};	279	};
155	}	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	};
156		294
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		302
164	# 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
165	# within the Safe compartment.	304	# within the Safe compartment.
166	for my $pkg (qw(	305	for my $pkg (qw(
167	cf::global cf::attachable	306	cf::global cf::attachable
168	cf::object cf::object::player	307	cf::object cf::object::player
169	cf::client cf::player	308	cf::client cf::player
170	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
171	cf::map cf::party cf::region	311	cf::party cf::region
172	)) {	312	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	314	}
176		315
177	$Event::DIED = sub {	316	$EV::DIED = sub {
178	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
179	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
180		326
181	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
182		328
183	=over 4	329	=over 4
184		330
…		…
203	$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;
204	$d	350	$d
205	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
206	}	352	}
207		353
208	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
209		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
210	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
211		369
212	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
213		371
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
222		373
223	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
224		375
225	=cut	376	=cut
226		377
227	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
229	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
230	}	443	}
231		444
232	=item cf::lock_wait $string	445	=item cf::lock_wait $string
233		446
234	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
235		448
236	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
237		450
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
241	returned.	454	returned.
242		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
243	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
244	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
245		461
246	=cut	462	=item $locked = cf::lock_active $string
247		463
248	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;
249		469
250	sub lock_wait($) {	470	sub lock_wait($) {
251	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	472	}
259		473
260	sub lock_acquire($) {	474	sub lock_acquire($) {
261	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
262		477
263	# wait, to be sure we are not locked	478	sub lock_active($) {
264	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	480	}
273		481
274	sub freeze_mainloop {	482	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
276		484
277	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
278	$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	}
279	};	556	}
280	$TICK_WATCHER->stop;	557	};
281	$guard	558
		559	sub get_slot($;$$) {
		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;
282	}	572	}
283		573
284	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
285		575
286	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		581
292	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
293		583
294	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
295		585
296	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
297	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
298	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.
299		590
300	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
301	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
302	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
303	fast or be very important.	594	fast or be very important.
…		…
305	=cut	596	=cut
306		597
307	sub sync_job(&) {	598	sub sync_job(&) {
308	my ($job) = @_;	599	my ($job) = @_;
309		600
310	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
311	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
313		606
314	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	608
316	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
317		610
318	my $busy = 1;	611	my $busy = 1;
319	my @res;	612	my @res;
320		613
321	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	616	@res = eval { $job->() };
323	warn $@ if $@;	617	error $@ if $@;
324	undef $busy;	618	undef $busy;
325	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
326		620
327	while ($busy) {	621	while ($busy) {
328	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
329	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
330		632
331	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
332	} else {	634	} else {
333	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
334		636
…		…
354	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
355		657
356	$coro	658	$coro
357	}	659	}
358		660
359	sub write_runtime {	661	=item fork_call { }, @args
360	my $guard = cf::lock_acquire "write_runtime";
361		662
362	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.
363		667
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
365	or return;
366		669
367	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
368	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
369	# 60 allows for the watchdog to kill the server.	672	}
370		673
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
372	and return;	675	my ($cb, @args) = @_;
373		676
374	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
375	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
376	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
377		680
378	close $fh	681	my @res = Coro::Util::fork_eval {
379	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
380		685
381	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
382	and return;	687	}
383		688
		689	sub objinfo {
384	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
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];
965		1612
966	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
967	}	1614	}
968		1615
969	sub find_active($) {	1616	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
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];
985		1632
986	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
987		1634
988	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
990	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;
991	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
992	}	1652	}
993	}	1653	}
994	}	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	);
995		1668
996	sub save($) {	1669	sub save($) {
997	my ($pl) = @_;	1670	my ($pl) = @_;
998		1671
999	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1004	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1005		1678
1006	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1008		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
1009	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1010	Coro::cede;	1688	cf::cede_to_tick;
1011	}	1689	}
1012		1690
1013	sub new($) {	1691	sub new($) {
1014	my ($login) = @_;	1692	my ($login) = @_;
1015		1693
…		…
1021	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1022		1700
1023	$self	1701	$self
1024	}	1702	}
1025		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
1026	=item $pl->quit_character	1714	=item $pl->quit_character
1027		1715
1028	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
1029	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1030		1718
…		…
1034	my ($pl) = @_;	1722	my ($pl) = @_;
1035		1723
1036	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1037		1725
1038	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1039	$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
1040		1728
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1042	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1044	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1045		1737
1046	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1048	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1077	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1078		1770
1079	=cut	1771	=cut
1080		1772
1081	sub list_logins {	1773	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1775	or return [];
1084		1776
1085	my @logins;	1777	my @logins;
1086		1778
1087	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") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1091		1789
1092	utf8::decode $login;	1790	utf8::decode $login;
1093	push @logins, $login;	1791	push @logins, $login;
1094	}	1792	}
1095		1793
1096	\@logins	1794	\@logins
1097	}	1795	}
1098		1796
1099	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1100		1800
1101	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1102	player. May block.	1802	player. May block.
1103		1803
1104	=cut	1804	=cut
…		…
1122	}	1822	}
1123		1823
1124	\@paths	1824	\@paths
1125	}	1825	}
1126		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1128		1832
1129	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1130		1834
1131	=cut	1835	=cut
1132		1836
1133	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1135		1839
1136	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1841	}
1140		1842
1141	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1142		1885
1143	=back	1886	=back
1144
1145		1887
1146	=head3 cf::map	1888	=head3 cf::map
1147		1889
1148	=over 4	1890	=over 4
1149		1891
…		…
1161	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1163		1905
1164	sub generate_random_map {	1906	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1166	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1167	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1171	$rmp->{exit_on_final_map},
1172	$rmp->{xsize}, $rmp->{ysize},
1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1178	(cf::region::find $rmp->{region}), $rmp->{custom}
1179	)
1180	}	1912	}
1181		1913
1182	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1183		1915
1184	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
…		…
1189		1921
1190	sub register {	1922	sub register {
1191	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1192	my $pkg = caller;	1924	my $pkg = caller;
1193		1925
1194	no strict;
1195	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1196		1927
1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198	}	1929	}
1199		1930
1200	# also paths starting with '/'	1931	# also paths starting with '/'
1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1202		1933
1203	sub thawer_merge {	1934	sub thawer_merge {
1204	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1205		1936
1206	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1207	local $self->{path};	1938	local $self->{path};
1208	local $self->{load_path};	1939	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1940
1212	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1213	}	1942	}
1214		1943
1215	sub normalise {	1944	sub normalise {
1216	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1217		1946
1218	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1219		1948
1220	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1221		1950
1222	# map plan:	1951	# map plan:
1223	#	1952	#
…		…
1238	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1239	$path = "$base/$path";	1968	$path = "$base/$path";
1240	}	1969	}
1241		1970
1242	for ($path) {	1971	for ($path) {
1243	redo if s{//}{/};
1244	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1245	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1246	}	1974	}
1247		1975
1248	$path	1976	$path
…		…
1262	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1263	return $self;	1991	return $self;
1264	}	1992	}
1265	}	1993	}
1266		1994
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1268	()	1996	()
1269	}	1997	}
1270		1998
		1999	# may re-bless or do other evil things
1271	sub init {	2000	sub init {
1272	my ($self) = @_;	2001	my ($self) = @_;
1273		2002
1274	$self	2003	$self
1275	}	2004	}
…		…
1287		2016
1288	# the original (read-only) location	2017	# the original (read-only) location
1289	sub load_path {	2018	sub load_path {
1290	my ($self) = @_;	2019	my ($self) = @_;
1291		2020
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1293	}	2022	}
1294		2023
1295	# the temporary/swap location	2024	# the temporary/swap location
1296	sub save_path {	2025	sub save_path {
1297	my ($self) = @_;	2026	my ($self) = @_;
1298		2027
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1301	}	2030	}
1302		2031
1303	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1304	sub uniq_path {	2033	sub uniq_path {
1305	my ($self) = @_;	2034	my ($self) = @_;
1306		2035
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1309	}	2038	}
1310		2039
1311	# and all this just because we cannot iterate over	2040	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	2041	my ($self) = @_;
1315		2042
1316	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1318	}	2046	}
1319		2047
1320	sub unlink_save {	2048	sub unlink_save {
1321	my ($self) = @_;	2049	my ($self) = @_;
1322		2050
…		…
1327		2055
1328	sub load_header_from($) {	2056	sub load_header_from($) {
1329	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1330		2058
1331	utf8::encode $path;	2059	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	2061	or return;
1337		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1338	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1339		2070
1340	1	2071	1
1341	}	2072	}
1342		2073
		2074	# used to laod the header of an original map
1343	sub load_header_orig {	2075	sub load_header_orig {
1344	my ($self) = @_;	2076	my ($self) = @_;
1345		2077
1346	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1347	}	2079	}
1348		2080
		2081	# used to laod the header of an instantiated map
1349	sub load_header_temp {	2082	sub load_header_temp {
1350	my ($self) = @_;	2083	my ($self) = @_;
1351		2084
1352	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1353	}	2086	}
1354		2087
		2088	# called after loading the header from an instantiated map
1355	sub prepare_temp {	2089	sub prepare_temp {
1356	my ($self) = @_;	2090	my ($self) = @_;
1357		2091
1358	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1359	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1360	# safety	2094	# safety
1361	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1362	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1363	}	2097	}
1364		2098
		2099	# called after loading the header from an original map
1365	sub prepare_orig {	2100	sub prepare_orig {
1366	my ($self) = @_;	2101	my ($self) = @_;
1367		2102
1368	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1369	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1380	$self->load_header_orig	2115	$self->load_header_orig
1381	or return;	2116	or return;
1382	$self->prepare_orig;	2117	$self->prepare_orig;
1383	}	2118	}
1384		2119
		2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
		2122
		2123	$self->default_region (cf::region::find_by_path $self->{path})
		2124	unless $self->default_region;
		2125
1385	1	2126	1
1386	}	2127	}
1387		2128
1388	sub find;	2129	sub find;
1389	sub find {	2130	sub find {
1390	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1391		2132
		2133	cf::cede_to_tick;
		2134
1392	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1393		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1395		2139
1396	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1399	or return;	2142	or return;
1400		2143
1401	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1402		2145
1403	$map->load_header	2146	$map->load_header
1404	or return;	2147	or return;
1405		2148
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1409	$map->reset;	2154	$map->reset;
1410	undef $guard;
1411	return find $path;	2155	return find $path;
1412	}	2156	}
1413		2157
1414	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1415	}	2159	}
1416	}	2160	}
1417		2161
1418	sub pre_load { }	2162	sub pre_load { }
1419	sub post_load { }	2163	#sub post_load { } # XS
1420		2164
1421	sub load {	2165	sub load {
1422	my ($self) = @_;	2166	my ($self) = @_;
1423		2167
1424	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1425		2169
1426	my $path = $self->{path};	2170	my $path = $self->{path};
		2171
		2172	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1428		2174
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2175	return unless $self->valid;
		2176	return unless $self->state == cf::MAP_SWAPPED;
1430		2177
1431	$self->in_memory (cf::MAP_LOADING);
1432
1433	$self->alloc;	2178	$self->alloc;
1434		2179
1435	$self->pre_load;	2180	$self->pre_load;
		2181	cf::cede_to_tick;
1436		2182
1437	$self->_load_objects ($self->{load_path}, 1)	2183	if (exists $self->{load_path}) {
		2184	my $f = new_from_file cf::object::thawer $self->{load_path};
		2185	$f->skip_block;
		2186	$self->_load_objects ($f)
1438	or return;	2187	or return;
1439		2188
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1441	if delete $self->{load_original};	2190	if delete $self->{load_original};
1442		2191
1443	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2193	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2194	unless (aio_stat $uniq) {
		2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2196	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2197	$self->_load_objects ($f);
		2198	$f->resolve_delayed_derefs;
		2199	}
		2200	}
1448	}	2201	}
1449	}
1450		2202
1451	Coro::cede;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
1452		2208
		2209	$self->state (cf::MAP_INACTIVE);
		2210
		2211	cf::cede_to_tick;
1453	# now do the right thing for maps	2212	# now do the right thing for maps
1454	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2215	unless $self->difficulty;
1464	Coro::cede;	2216	cf::cede_to_tick;
1465	$self->activate;	2217
		2218	unless ($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);
1466	}	2228	}
1467		2229
1468	$self->post_load;	2230	$self->post_load;
1469		2231
1470	$self->in_memory (cf::MAP_IN_MEMORY);	2232	1
1471	}	2233	}
1472		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
1473	sub customise_for {	2238	sub customise_for {
1474	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
1475		2240
1476	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2242	if $self->per_player;
1478		2243
		2244	# return find "?party/" . $ob->name . "/" . $self->{path}
		2245	# if $self->per_party;
		2246
1479	$self	2247	$self
1480	}	2248	}
1481		2249
1482	# find and load all maps in the 3x3 area around a map	2250	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2251	sub load_neighbours {
1484	my ($map) = @_;	2252	my ($map) = @_;
1485		2253
1486	my @diag; # diagonal neighbours	2254	my @neigh; # diagonal neighbours
1487		2255
1488	for (0 .. 3) {	2256	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2257	my $neigh = $map->tile_path ($_)
1490	or next;	2258	or next;
1491	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
1492	or next;	2260	or next;
1493	$neigh->load;	2261	$neigh->load;
1494		2262
		2263	# now find the diagonal neighbours
		2264	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2267	}
1498		2268
1499	for (@diag) {	2269	for (grep defined $_->[0], @neigh) {
		2270	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2271	my $neigh = find $path, $origin
1501	or next;	2272	or next;
1502	$neigh->load;	2273	$neigh->load;
1503	}	2274	}
1504	}	2275	}
1505		2276
1506	sub find_sync {	2277	sub find_sync {
1507	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
1508		2279
1509	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
1510	}	2285	}
1511		2286
1512	sub do_load_sync {	2287	sub do_load_sync {
1513	my ($map) = @_;	2288	my ($map) = @_;
1514		2289
1515	cf::sync_job { $map->load };	2290	# it's a bug to call this from the main context
		2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1516	}	2295	}
1517		2296
1518	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1520		2299
1521	sub find_async {	2300	sub find_async {
1522	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1523		2302
1524	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1525		2304
1526	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->linkable;
1528	}	2307	}
1529		2308
1530	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1531	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1532	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2316	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2317	$map->load if $v;
		2318	}
1537		2319
1538	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1539	}	2321	}
1540	}	2322	}
1541	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1542	};	2324	};
1543	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1544		2326
1545	()	2327	()
1546	}	2328	}
1547		2329
		2330	# common code, used by both ->save and ->swapout
1548	sub save {	2331	sub _save {
1549	my ($self) = @_;	2332	my ($self) = @_;
1550
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1552		2333
1553	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1554		2335
1555	return unless $self->dirty;	2336	return unless $self->dirty;
1556		2337
…		…
1562	return if $self->{deny_save};	2343	return if $self->{deny_save};
1563		2344
1564	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1565		2346
1566	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1568	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1569		2353
1570	if ($uniq) {	2354	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2357	} else {
1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1575	}	2359	}
1576	}	2360	}
1577		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1578	sub swap_out {	2370	sub swap_out {
1579	my ($self) = @_;	2371	my ($self) = @_;
1580		2372
1581	# save first because save cedes
1582	$self->save;
1583
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
1586	return if $self->players;	2377	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};
1589		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->state (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1590	$self->clear;	2388	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2389	}
1593		2390
1594	sub reset_at {	2391	sub reset_at {
1595	my ($self) = @_;	2392	my ($self) = @_;
1596		2393
1597	# TODO: safety, remove and allow resettable per-player maps	2394	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2395	return 1e99 if $self->{deny_reset};
1600		2396
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2399
…		…
1614	my ($self) = @_;	2410	my ($self) = @_;
1615		2411
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2413
1618	return if $self->players;	2414	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2415
1621	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
1622		2417
1623	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->state (cf::MAP_SWAPPED);
1624		2419
1625	# need to save uniques path	2420	# need to save uniques path
1626	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
1627	my $uniq = $self->uniq_path; utf8::encode $uniq;	2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
1628		2423
…		…
1630	if $uniq;	2425	if $uniq;
1631	}	2426	}
1632		2427
1633	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1634		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2432	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2433
1639	$self->unlink_save;	2434	$self->unlink_save;
1640	$self->destroy;	2435	$self->destroy;
1641	}	2436	}
1642		2437
1643	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1644		2439
1645	sub nuke {	2440	sub nuke {
1646	my ($self) = @_;	2441	my ($self) = @_;
1647		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1648	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1649		2447
1650	$self->unlink_save;	2448	$self->unlink_save;
1651		2449
1652	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1653	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2455
1658	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1659		2458
1660	$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	]
1661	}	2496	}
1662		2497
1663	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1664		2499
1665	Returns an arrayref of paths of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2501	instantiated unique items. May block.
1667		2502
1668	=cut	2503	=cut
1669		2504
1670	sub unique_maps() {	2505	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2506	[
1672	or return;	2507	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2508	utf8::decode $_;
1678	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2511	? ()
1681	push @paths, cf::map::normalise $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2514	]
1683
1684	\@paths
1685	}	2515	}
1686		2516
1687	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	}
1688		2548
1689	=back	2549	=back
1690		2550
1691	=head3 cf::object	2551	=head3 cf::object
1692		2552
…		…
1696		2556
1697	=over 4	2557	=over 4
1698		2558
1699	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1700		2560
1701	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.
1702		2563
1703	=cut	2564	=cut
1704		2565
1705	sub inv_recursive_;	2566	sub inv_recursive_;
1706	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1709		2570
1710	sub inv_recursive {	2571	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1712	}	2573	}
1713		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
1714	package cf;	2603	package cf;
1715		2604
1716	=back	2605	=back
1717		2606
1718	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1724	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>
1725	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
1726	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1727		2616
1728	=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	};
1729		2632
1730	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2634	# with dialog boxes.
1732	#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
1733	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1735		2638
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2640
1738	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1740	} 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 {
1741	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1743	}	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 (@_);
1744	}	2666	}
1745		2667
1746	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1747		2669
1748	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1761		2683
1762	=item $player_object->enter_link	2684	=item $player_object->enter_link
1763		2685
1764	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}>).
1765		2687
1766	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.
1767	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.
1768		2692
1769	Will never block.	2693	Will never block.
1770		2694
1771	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1772		2696
…		…
1792	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1793	my ($self) = @_;	2717	my ($self) = @_;
1794		2718
1795	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1796		2720
		2721	++$self->{_link_recursion};
		2722
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2724
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1801		2727
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1803	}	2729	}
1804		2730
1805	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1807		2735
1808	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1809		2737
1810	unless ($map) {	2738	unless ($map) {
1811	# restore original map position	2739	# restore original map position
…		…
1822	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1823	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1824		2752
1825	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1828		2756
1829	$map->load;	2757	$map->load;
1830	$map->load_diag;	2758	$map->load_neighbours;
1831		2759
1832	return unless $self->contr->active;	2760	return unless $self->contr->active;
1833	$self->activate_recursive;
1834		2761
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
1837	}	2764	# entering was successful
1838		2765	delete $self->{_link_recursion};
1839	cf::player->attach (	2766	# only activate afterwards, to support waiting in hooks
1840	on_logout => sub {	2767	$self->activate_recursive;
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},	2768	}
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2769
1853	# try to abort aborted map switching on player login :)	2770	}
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2771
1871	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1872		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
1873	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1874		2786
1875	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1876	my ($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;
1877		2798
1878	$self->enter_link;	2799	$self->enter_link;
1879		2800
1880	(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
1881	my $map = eval {	2823	my $map = eval {
1882	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2825
		2826	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2839	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2840
		2841	if ($gen == $self->{_goto_generation}) {
		2842	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1889	})->prio (1);	2847	})->prio (1);
1890	}	2848	}
1891		2849
1892	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
1893		2851
…		…
1913	}	2871	}
1914		2872
1915	sub prepare_random_map {	2873	sub prepare_random_map {
1916	my ($exit) = @_;	2874	my ($exit) = @_;
1917		2875
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2878	# that depends on the exit object
1923		2879
1924	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2882	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
1931	}	2889	}
1932		2890
1933	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
1934		2892
1935	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
1938		2896
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2899	undef $fh;
1942	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
1943		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
1946	}	2908	}
1947	}	2909	}
1948		2910
1949	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
1951		2913
1952	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
1953		2915
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2916	$self->enter_link;
1964		2917
1965	(async {	2918	(async {
1966	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
1967	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	$map = $exit->slaying;
		2939
		2940	} elsif ($slaying eq '!up') {
		2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
1968	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
1969		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
1970	1;	2957	1
1971	}) {	2958	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2963
1977	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
1978	$self->leave_link;	2965	$self->leave_link;
1979	}	2966	}
1980	})->prio (1);	2967	})->prio (1);
1981	}	2968	}
1982		2969
…		…
1993		2980
1994	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
1996		2983
1997	utf8::encode $text;	2984	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2986	}
2000		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
		3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3014
		3015	Send a drawinfo or msg packet to the client, formatting the msg for the
		3016	client if neccessary. C<$type> should be a string identifying the type of
		3017	the message, with C<log> being the default. If C<$color> is negative, suppress
		3018	the message unless the client supports the msg packet.
		3019
		3020	=cut
		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
		3136	sub cf::client::send_msg {
		3137	my ($self, $channel, $msg, $color, @extra) = @_;
		3138
		3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
		3175	=item $client->ext_msg ($type, @msg)
		3176
		3177	Sends an ext event to the client.
		3178
		3179	=cut
		3180
		3181	sub cf::client::ext_msg($$@) {
		3182	my ($self, $type, @msg) = @_;
		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
		3187	push @msg, msgtype => "event_$type";
		3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
		3208	}
2001		3209
2002	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2003		3211
2004	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3213	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3214	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		3215
2008	Queries can fail, so check the return code. Or don't, as queries will become	3216	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	3217	become reliable at some point in the future.
2010		3218
2011	=cut	3219	=cut
2012		3220
2013	sub cf::client::query {	3221	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	3230	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		3232
2025	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
2027	}	3237	}
2028		3238
2029	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
2030	on_reply => sub {	3245	on_reply => sub {
2031	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
2032		3247
2033	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
2034	# get handled first	3249	# get handled first
…		…
2046	} else {	3261	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3263	}
2049	}	3264	}
2050	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($ns, $buf) = @_;
		3268
		3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3270
		3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
		3279	if (my $cb = $EXTICMD{$type}) {
		3280	@reply = $cb->($ns, @payload);
		3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
		3286	} else {
		3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3288	}
		3289
		3290	cf::override;
		3291	},
2051	);	3292	);
2052		3293
2053	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
2054		3295
2055	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071		3312
2072	$coro	3313	$coro
2073	}	3314	}
2074		3315
2075	cf::client->attach (	3316	cf::client->attach (
2076	on_destroy => sub {	3317	on_client_destroy => sub {
2077	my ($ns) = @_;	3318	my ($ns) = @_;
2078		3319
2079	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2080	},	3321	},
2081	);	3322	);
…		…
2096	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2098		3339
2099	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2100		3341
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2102		3347
2103	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2104		3349
2105	=pod	3350	=pod
2106		3351
2107	The following fucntions and emthods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2108		3353
2109	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2110	cf::object::player player	3359	cf::object::player
2111	cf::player peaceful	3360	player
2112	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2113		3367
2114	=cut	3368	=cut
2115		3369
2116	for (	3370	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2121	) {	3377	) {
2122	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2125	for @funs;	3380	for @funs;
2126	}	3381	}
2127		3382
…		…
2142		3397
2143	my $qcode = $code;	3398	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2146		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2147	local $_;	3405	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;
2149		3406
2150	my $eval =	3407	my $eval =
2151	"do {\n"	3408	"do {\n"
2152	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2153	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2154	. $code	3411	. $code
2155	. "\n}"	3412	. "\n}"
2156	;	3413	;
2157		3414
		3415	if ($CFG{safe_eval}) {
2158	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2159	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2160	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2161		3424
2162	if ($@) {	3425	if ($@) {
2163	warn "$@";	3426	warn "$@",
2164	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2165	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2166	}	3429	}
2167		3430
2168	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2169	}	3432	}
2170		3433
…		…
2184	=cut	3447	=cut
2185		3448
2186	sub register_script_function {	3449	sub register_script_function {
2187	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2188		3451
2189	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2190	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2191	}	3454	}
2192		3455
2193	=back	3456	=back
2194		3457
2195	=cut	3458	=cut
2196
2197	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268		3459
2269	#############################################################################	3460	#############################################################################
2270	# the server's init and main functions	3461	# the server's init and main functions
2271		3462
2272	sub load_faces {	3463	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3464	my ($path) = @_;
2274		3465
		3466	# HACK to clear player env face cache, we need some signal framework
		3467	# for this (global event?)
		3468	%ext::player_env::MUSIC_FACE_CACHE = ();
		3469
		3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3471
2275	warn "loading faces from $path\n";	3472	trace "loading facedata from $path\n";
2276		3473
2277	my $faces;	3474	my $facedata = decode_storable load_file $path;
2278	0 < aio_load $path, $faces
2279	or die "$path: $!";
2280		3475
2281	Coro::cede;	3476	$facedata->{version} == 2
2282	$faces = Storable::thaw $faces;	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2283	Coro::cede;
2284		3478
		3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3481	$facedata->{resource}{"res/exp_table"} = {
		3482	type => FT_RSRC,
		3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
		3485	};
		3486	cf::cede_to_tick;
		3487
		3488	{
		3489	my $faces = $facedata->{faceinfo};
		3490
2285	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3493
		3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2289	Coro::cede;	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3499
		3500	cf::cede_to_tick;
		3501	}
		3502
		3503	while (my ($face, $info) = each %$faces) {
		3504	next unless $info->{smooth};
		3505
		3506	my $idx = cf::face::find $face
		3507	or next;
		3508
		3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
		3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3512	} else {
		3513	error "smooth face '$info->{smooth}' not found for face '$face'";
		3514	}
		3515
		3516	cf::cede_to_tick;
		3517	}
		3518	}
		3519
2290	}	3520	{
		3521	my $anims = $facedata->{animinfo};
		3522
		3523	while (my ($anim, $info) = each %$anims) {
		3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3525	cf::cede_to_tick;
		3526	}
		3527
		3528	cf::anim::invalidate_all; # d'oh
		3529	}
		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3549
2292	1	3550	1
2293	}	3551	}
2294		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
		3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
		3576	load_resource_file "$MAPDIR/regions"
		3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
		3583	}
		3584
		3585	sub reload_facedata {
		3586	load_facedata "$DATADIR/facedata"
		3587	or die "unable to load facedata\n";
		3588	}
		3589
		3590	sub reload_archetypes {
		3591	load_resource_file "$DATADIR/archetypes"
		3592	or die "unable to load archetypes\n";
		3593	}
		3594
		3595	sub reload_treasures {
		3596	load_resource_file "$DATADIR/treasures"
		3597	or die "unable to load treasurelists\n";
		3598	}
		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
2295	sub reload_resources {	3620	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3621	trace "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3622
		3623	reload_exp_table;
		3624	reload_materials;
2298	load_faces	3625	reload_facedata;
2299	or die "unable to load faces\n";#d#	3626	reload_sound;
2300	}	3627	reload_archetypes;
2301
2302	sub init {
2303	reload_resources;	3628	reload_regions;
2304	}	3629	reload_treasures;
2305		3630
2306	sub cfg_load {	3631	trace "finished reloading resource files\n";
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3632	}
2308	or return;
2309		3633
2310	local $/;	3634	sub reload_config {
2311	*CFG = YAML::Syck::Load <$fh>;	3635	trace "reloading config file...\n";
2312		3636
		3637	my $config = load_file "$CONFDIR/config";
		3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
		3640
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2314		3642
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2317		3645
2318	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2322	};	3650	};
2323	warn $@ if $@;	3651	warn $@ if $@;
2324	}	3652	}
2325	}	3653	}
2326		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
2327	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2328	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3696	(async {
2332	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2334	};	3700	};
2335		3701
2336	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
2337	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2338	load_extensions;	3725	load_extensions;
2339		3726
2340	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2342	}	3745	}
2343		3746
2344	#############################################################################	3747	#############################################################################
2345	# initialisation and cleanup	3748	# initialisation and cleanup
2346		3749
2347	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2348	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2357	},
2358	);	3756	};
		3757	}
		3758	}
		3759
		3760	sub write_runtime_sync {
		3761	my $t0 = AE::time;
		3762
		3763	# first touch the runtime file to show we are still running:
		3764	# the fsync below can take a very very long time.
		3765
		3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3767
		3768	my $guard = cf::lock_acquire "write_runtime";
		3769
		3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3771	or return;
		3772
		3773	my $value = $cf::RUNTIME + 90 + 10;
		3774	# 10 is the runtime save interval, for a monotonic clock
		3775	# 60 allows for the watchdog to kill the server.
		3776
		3777	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3778	and return;
		3779
		3780	# always fsync - this file is important
		3781	aio_fsync $fh
		3782	and return;
		3783
		3784	# touch it again to show we are up-to-date
		3785	aio_utime $fh, undef, undef;
		3786
		3787	close $fh
		3788	or return;
		3789
		3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3791	and return;
		3792
		3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3794
2359	}	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2360	}	3846	}
2361		3847
2362	sub emergency_save() {	3848	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2364		3850
2365	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2366		3857
2367	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2368	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3869	$pl->save;
2376	}	3870	}
2377	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2378		3872
2379	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3878	$map->valid or next;
2383	$map->save;	3879	$map->save;
2384	}	3880	}
2385	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2386		3882
2387	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2390	};	3911	};
2391		3912
2392	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2393	}	3914	}
2394		3915
2395	sub post_cleanup {	3916	sub post_cleanup {
2396	my ($make_core) = @_;	3917	my ($make_core) = @_;
2397		3918
		3919	IO::AIO::flush;
		3920
2398	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3922	if $make_core;
2400	}
2401		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
		3951	}
		3952
2402	sub reload() {	3953	sub do_reload_perl() {
2403	# can/must only be called in main	3954	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2405	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2406	return;	3957	return;
2407	}	3958	}
2408		3959
2409	warn "reloading...";	3960	return if $RELOAD++;
2410		3961
2411	warn "entering sync_job";	3962	my $t1 = AE::time;
2412		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
2413	cf::sync_job {	3970	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark
2415	cf::emergency_save;	3971	#cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark
2417		3972
2418	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;
2420
2421	# if anything goes wrong in here, we should simply crash as we already saved
2422
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();	3975	%EXT_CORO = ();
2442		3976
2443	warn "removing commands";	3977	trace "perl_reload: removing commands";
2444	%COMMAND = ();	3978	%COMMAND = ();
2445		3979
2446	warn "removing ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2447	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2448		3983
2449	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2452		3987
2453	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2454	eval {	3989	eval {
2455	$cb->($pkg);	3990	$cb->($pkg);
2456	1	3991	1
2457	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2458	}	3997	}
2459		3998
2460	warn "... nuking $pkg";
2461	Symbol::delete_package $pkg;
2462	}
2463
2464	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2465	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		4002
2468	warn "... unloading $k";	4003	trace "... unloading $k";
2469	delete $INC{$k};	4004	delete $INC{$k};
2470		4005
2471	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2473		4008
2474	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2475	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2476	}	4014	}
2477		4015
2478	Symbol::delete_package $k;
2479	}
2480
2481	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		4019
2485	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
		4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		4023
2488	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2489	# and global variables created in xs	4025	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2491		4027
2492	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2493		4029
2494	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2495	require cf;	4031	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2497		4033
2498	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2499	cf::cfg_load;	4035	cf::reload_config;
2500		4036
2501	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2502	cf::load_extensions;	4038	cf::load_extensions;
2503		4039
		4040	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2507	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
2510		4048
2511	warn "loading reloadable resources";	4049	cf::_post_init 1;
2512	reload_resources;
2513		4050
2514	warn "leaving sync_job";	4051	trace "perl_reload: leaving sync_job";
2515		4052
2516	1	4053	1
2517	} or do {	4054	} or do {
2518	warn $@;	4055	error $@;
2519	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
2520	exit 1;	4057	};
		4058
		4059	--$RELOAD;
		4060	}
		4061
		4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
		4064	};
		4065
		4066	our $RELOAD_WATCHER; # used only during reload
		4067
		4068	sub reload_perl() {
		4069	# doing reload synchronously and two reloads happen back-to-back,
		4070	# coro crashes during coro_state_free->destroy here.
		4071
		4072	$RELOAD_WATCHER ||= cf::async {
		4073	Coro::AIO::aio_wait cache_extensions;
		4074
		4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4076	do_reload_perl;
		4077	undef $RELOAD_WATCHER;
		4078	};
2521	};	4079	};
2522		4080	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		4081
2528	register_command "reload" => sub {	4082	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2530		4084
2531	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
2533		4087	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	4088	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	4089	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	4090	};
2546	}	4091	}
2547	};	4092	};
2548		4093
2549	unshift @INC, $LIBDIR;	4094	#############################################################################
2550		4095
2551	my $bug_warning = 0;	4096	my $bug_warning = 0;
2552		4097
2553	$TICK_WATCHER = Event->timer (	4098	our @WAIT_FOR_TICK;
2554	reentrant => 0,	4099	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	4100
2556	prio => 0,	4101	sub wait_for_tick() {
2557	at => $NEXT_TICK || $TICK,	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	4103
2559	cb => sub {	4104	my $signal = new Coro::Signal;
		4105	push @WAIT_FOR_TICK, $signal;
		4106	$signal->wait;
		4107	}
		4108
		4109	sub wait_for_tick_begin() {
		4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4111
		4112	my $signal = new Coro::Signal;
		4113	push @WAIT_FOR_TICK_BEGIN, $signal;
		4114	$signal->wait;
		4115	}
		4116
		4117	sub tick {
2560	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
2563	return;	4121	return;
2564	}	4122	}
2565		4123
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		4125
		4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4127
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	4130	Coro::async_pool {
		4131	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	4132	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2577	};
2578	}	4134	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	4135	}
2592	);	4136
		4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4138	$sig->send;
		4139	}
		4140	while (my $sig = shift @WAIT_FOR_TICK) {
		4141	$sig->send;
		4142	}
		4143
		4144	$LOAD = ($NOW - $TICK_START) / $TICK;
		4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4146
		4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
		4153	}
		4154	}
2593		4155
2594	{	4156	{
2595	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	4158
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
2605		4160	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		4162
2621	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		4170
2624	cf::sync_job {	4171	cf::sync_job {
2625	eval {	4172	eval {
2626	BDB::db_env_open	4173	BDB::db_env_open
2627	$DB_ENV,	4174	$DB_ENV,
2628	$BDB_ENV_DIR,	4175	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	4178	0666;
2632		4179
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	4181	};
2638		4182
2639	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	4184	};
2641	}	4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
2642	}	4196	}
2643		4197
2644	{	4198	{
		4199	# configure IO::AIO
		4200
2645	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	4204	}
		4205
		4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
		4208
		4209	sub _log_backtrace {
		4210	my ($msg, @addr) = @_;
		4211
		4212	$msg =~ s/\n$//;
		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4217	# limit the # of concurrent backtraces
		4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
		4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
		4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
		4225	my @bt = fork_call {
		4226	@addr = map { sprintf "%x", $_ } @addr;
		4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4229	or die "addr2line: $!";
		4230
		4231	my @funcs;
		4232	my @res = <$fh>;
		4233	chomp for @res;
		4234	while (@res) {
		4235	my ($func, $line) = splice @res, 0, 2, ();
		4236	push @funcs, "[$func] $line";
		4237	}
		4238
		4239	@funcs
		4240	};
		4241
		4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4244	LOG llevInfo, "[ABT] $_\n" for @bt;
		4245	--$_log_backtrace;
		4246	};
		4247	} else {
		4248	LOG llevInfo, "[ABT] $msg\n";
		4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4250	}
		4251	}
		4252
		4253	# load additional modules
		4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
2658		4256
2659	END { cf::emergency_save }	4257	END { cf::emergency_save }
2660		4258
2661	1	4259	1
2662		4260

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