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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.244 by root, Mon Apr 16 13:28:00 2007 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.61 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98
61	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
64	our $NOW;	138	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		139
67	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
68	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
69
70	our %CFG;
71
72	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;
74
75	our %PLAYER; # all users
76	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		143
81	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
84	binmode STDOUT;	160	binmode STDOUT;
85	binmode STDERR;	161	binmode STDERR;
86		162
87	# read virtual server time, if available	163	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
92	}	168	}
93		169
94	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	171
96	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		174
101	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
102		176
103	sub cf::map::normalise;	177	sub cf::map::normalise;
104		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
105	#############################################################################	183	#############################################################################
106		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
107	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
108		197
109	=over 4	198	=over 4
110		199
111	=item $cf::UPTIME	200	=item $cf::UPTIME
112		201
113	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
114		218
115	=item $cf::RUNTIME	219	=item $cf::RUNTIME
116		220
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	222	every server tick.
119		223
120	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		227
122	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
124		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
125	=item $cf::NOW	239	=item $cf::LOAD
126		240
127	The time of the last (current) server tick.	241	The raw value load value from the last tick.
128
129	=item $cf::TICK
130
131	The interval between server ticks, in seconds.
132		242
133	=item %cf::CFG	243	=item %cf::CFG
134		244
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	246	from wherever your confdir points to.
137		247
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		249
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
144	=back	283	=back
145		284
146	=cut	285	=cut
147		286
148	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
149	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
150	my $msg = join "", @_;	294	my $msg = join "", @_;
151	utf8::encode $msg;
152		295
153	$msg .= "\n"	296	$msg .= "\n"
154	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
155		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
156	LOG llevError, $msg;	301	LOG llevWarn, $msg;
157	};	302	};
158	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
159		317
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		325
167	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	327	# within the Safe compartment.
169	for my $pkg (qw(	328	for my $pkg (qw(
170	cf::global cf::attachable	329	cf::global cf::attachable
171	cf::object cf::object::player	330	cf::object cf::object::player
172	cf::client cf::player	331	cf::client cf::player
173	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
174	cf::map cf::party cf::region	334	cf::party cf::region
175	)) {	335	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	337	}
179		338
180	$Event::DIED = sub {	339	$EV::DIED = sub {
181	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
182	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
183		349
184	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
185		351
186	=over 4	352	=over 4
187		353
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	373	$d
208	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
209	}	375	}
210		376
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
212		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
213	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
214		392
215	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
216		394
217	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
218		396
219	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
220		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
221	=item cf::lock_wait $string	468	=item cf::lock_wait $string
222		469
223	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
224		471
225	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
226		473
227	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
230	returned.	477	returned.
231		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
232	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
234		484
235	=cut	485	=item $locked = cf::lock_active $string
236		486
237	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
238		492
239	sub lock_wait($) {	493	sub lock_wait($) {
240	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	495	}
248		496
249	sub lock_acquire($) {	497	sub lock_acquire($) {
250	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
251		500
252	# wait, to be sure we are not locked	501	sub lock_active($) {
253	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	503	}
262		504
263	sub freeze_mainloop {	505	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
265		507
266	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
268	};	578	}
269	$TICK_WATCHER->stop;	579	};
270	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
271	}	594	}
272		595
273	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
274		597
275	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		603
281	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
282		605
283	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
284		607
285	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
288		612
289	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
292	fast or be very important.	616	fast or be very important.
…		…
294	=cut	618	=cut
295		619
296	sub sync_job(&) {	620	sub sync_job(&) {
297	my ($job) = @_;	621	my ($job) = @_;
298		622
299	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
300	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
302		628
303	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	630
305	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
306		632
307	my $busy = 1;	633	my $busy = 1;
308	my @res;	634	my @res;
309		635
310	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	638	@res = eval { $job->() };
312	warn $@ if $@;	639	error $@ if $@;
313	undef $busy;	640	undef $busy;
314	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
315		642
316	while ($busy) {	643	while ($busy) {
317	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
318	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
319		654
320	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
321	} else {	656	} else {
322	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
323		658
…		…
343	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
344		679
345	$coro	680	$coro
346	}	681	}
347		682
348	sub write_runtime {	683	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		684
351	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
352		689
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
354	or return;
355		691
356	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
358	# 60 allows for the watchdog to kill the server.	694	}
359		695
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
361	and return;	697	my ($cb, @args) = @_;
362		698
363	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
365	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
366		702
367	close $fh	703	my @res = Coro::Util::fork_eval {
368	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
369		707
370	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
371	and return;	709	}
372		710
		711	sub objinfo {
373	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
374	}	875	}
375		876
376	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
377		878
378	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
379		880
380	=cut	881	=cut
381		882
382	sub datalog($@) {	883	sub datalog($@) {
383	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	886	}
386		887
387	=back	888	=back
388		889
389	=cut	890	=cut
390		891
391	#############################################################################	892	#############################################################################
392		893
393	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
394		895
395	Many objects in crossfire are so-called attachable objects. That means you can	896	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")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
398		899
399	In the following description, CLASS can be any of C<global>, C<object>	900	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	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	902	Deliantra).
402		903
403	=over 4	904	=over 4
404		905
405	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
406		907
…		…
450	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
451		952
452	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
454		955
455	Some classes such as crossfire maps and objects can specify attachments	956	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.	957	that are attached at load/instantiate time, thus the need for a name.
457		958
458	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
459		960
460	=over 4	961	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
570		1071
571	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1076
576	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
578		1079
579	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
584		1085
585	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1088
588	} elsif (ref $type) {	1089	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
590		1091
591	} else {	1092	} else {
592	shift @arg;	1093	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
594	}	1095	}
595	}	1096	}
596	}	1097	}
597		1098
598	sub _object_attach {	1099	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
609	}	1110	}
610		1111
611	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
612	} else {	1113	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1115	}
615		1116
616	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
617	}	1118	}
618		1119
…		…
620	if (ref $_[0]) {	1121	if (ref $_[0]) {
621	_object_attach @_;	1122	_object_attach @_;
622	} else {	1123	} else {
623	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
624	}	1125	}
		1126	_recalc_want;
625	};	1127	};
626		1128
627	# all those should be optimised	1129	# all those should be optimised
628	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1135	reattach ($obj);
634	} else {	1136	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
636	}	1138	}
		1139	_recalc_want;
637	};	1140	};
638		1141
639	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
641		1144
…		…
656	";	1159	";
657	die if $@;	1160	die if $@;
658	}	1161	}
659		1162
660	our $override;	1163	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1165
663	sub override {	1166	sub override {
664	$override = 1;	1167	$override = 1;
665	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
666	}	1169	}
667		1170
668	sub do_invoke {	1171	sub do_invoke {
669	my $event = shift;	1172	my $event = shift;
670	my $callbacks = shift;	1173	my $callbacks = shift;
671		1174
672	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
673		1176
674	local $override;	1177	local $override;
675		1178
676	for (@$callbacks) {	1179	for (@$callbacks) {
677	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
678		1181
679	if ($@) {	1182	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1184	override;
683	}	1185	}
684		1186
685	return 1 if $override;	1187	return 1 if $override;
686	}	1188	}
687		1189
688	0	1190	0
689	}	1191	}
690		1192
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1194
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1196
695	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
696		1198
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	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	1200	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1202
701	=back	1203	=back
702		1204
703	=cut	1205	=cut
704		1206
705	#############################################################################	1207	#############################################################################
706	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
707		1251
708	sub reattach {	1252	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1254	my ($obj) = @_;
711		1255
		1256	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1258
714	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
715		1260
716	@$registry = ();	1261	@$registry = ();
717		1262
…		…
722	for (@$attach) {	1267	for (@$attach) {
723	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
725	}	1270	}
726	} else {	1271	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1273	}
729	}	1274	}
730	}	1275	}
731		1276
732	cf::attachable->attach (	1277	cf::attachable->attach (
733	prio => -1000000,	1278	prio => -1000000,
734	on_instantiate => sub {	1279	on_instantiate => sub {
735	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
736		1281
737	$data = from_json $data;	1282	$data = decode_json $data;
738		1283
739	for (@$data) {	1284	for (@$data) {
740	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
741		1286
742	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1303	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
760		1305
761	sync_job {	1306	sync_job {
762	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
765		1312
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
770	close $fh;	1320	aio_close $fh;
771		1321
772	if (@$objs) {	1322	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
778	close $fh;	1331	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
780	}	1333	}
781	} else {	1334	} else {
782	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
783	}	1336	}
784		1337
785	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1342	} else {
787	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
788	}	1344	}
789	} else {	1345	} else {
790	aio_unlink $filename;	1346	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
792	}	1348	}
793	}	1349	};
794	}	1350	}
795		1351
796	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
798		1354
…		…
810	or return;	1366	or return;
811		1367
812	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
814	or return;	1370	or return;
		1371
815	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
816	}	1374	}
817		1375
		1376	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
820	return ($data, $av);	1381	($data, $av)
821	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
822		1389
823	#############################################################################	1390	#############################################################################
824	# command handling &c	1391	# command handling &c
825		1392
826	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1407	}
841		1408
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1410
844	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
845		1416
846	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
847	called.	1418	called.
848		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
849	=cut	1431	=cut
850		1432
851	sub register_extcmd {	1433	sub register_extcmd {
852	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
853		1435
854	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
855	}	1437	}
856		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
857	cf::player->attach (	1447	cf::player->attach (
858	on_command => sub {	1448	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
860		1450
861	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
862	or return;	1452	or return;
863		1453
…		…
868	cf::override;	1458	cf::override;
869	},	1459	},
870	on_extcmd => sub {	1460	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
872		1462
873	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1464
875	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
881	} else {	1480	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1482	}
884		1483
885	cf::override;	1484	cf::override;
886	},	1485	},
887	);	1486	);
888		1487
		1488	# "readahead" all extensions
889	sub load_extension {	1489	sub cache_extensions {
890	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
891		1491
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1494	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	}	1495	}
917	die $@;
918	}	1496	};
919		1497
920	push @EXTS, $pkg;	1498	$grp
921	}	1499	}
922		1500
923	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
924	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1508	next unless -r $path;
926	eval {	1509
927	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
928	1	1573	}
929	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
930	}	1586	};
931	}	1587	}
932		1588
933	#############################################################################	1589	#############################################################################
934		1590
		1591	=back
		1592
935	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
936		1594
937	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
938		1596
939	=cut	1597	=cut
940		1598
941	package cf::player;	1599	package cf::player;
942		1600
…		…
944		1602
945	=head3 cf::player	1603	=head3 cf::player
946		1604
947	=over 4	1605	=over 4
948		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
949	=item cf::player::find $login	1621	=item cf::player::find $login
950		1622
951	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
952		1624
953	=cut	1625	=cut
954		1626
955	sub playerdir($) {	1627	sub playerdir($) {
956	cf::localdir	1628	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1630	}
962		1631
963	sub path($) {	1632	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1643
975	sub exists($) {	1644	sub exists($) {
976	my ($login) = @_;	1645	my ($login) = @_;
977		1646
978	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
980	}	1649	}
981		1650
982	sub find($) {	1651	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1653	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
995		1664
996	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
997	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
999	}	1674	}
1000	}	1675	}
1001	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1002		1690
1003	sub save($) {	1691	sub save($) {
1004	my ($pl) = @_;	1692	my ($pl) = @_;
1005		1693
1006	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1012		1700
1013	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1015		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1016	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1017	Coro::cede;	1710	cf::cede_to_tick;
1018	}	1711	}
1019		1712
1020	sub new($) {	1713	sub new($) {
1021	my ($login) = @_;	1714	my ($login) = @_;
1022		1715
…		…
1028	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1029		1722
1030	$self	1723	$self
1031	}	1724	}
1032		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1033	=item $pl->quit_character	1736	=item $pl->quit_character
1034		1737
1035	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1037		1740
…		…
1041	my ($pl) = @_;	1744	my ($pl) = @_;
1042		1745
1043	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1044		1747
1045	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1750
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1051	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1052		1759
1053	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1085		1792
1086	=cut	1793	=cut
1087		1794
1088	sub list_logins {	1795	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1797	or return [];
1091		1798
1092	my @logins;	1799	my @logins;
1093		1800
1094	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1098		1811
1099	utf8::decode $login;	1812	utf8::decode $login;
1100	push @logins, $login;	1813	push @logins, $login;
1101	}	1814	}
1102		1815
1103	\@logins	1816	\@logins
1104	}	1817	}
1105		1818
1106	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1107		1822
1108	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1109	player. May block.	1824	player. May block.
1110		1825
1111	=cut	1826	=cut
…		…
1129	}	1844	}
1130		1845
1131	\@paths	1846	\@paths
1132	}	1847	}
1133		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1134	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1135		1854
1136	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1137		1856
1138	=cut	1857	=cut
1139		1858
1140	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1142		1861
1143	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1863	}
1147		1864
1148	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1149		1866
1150	Sends an ext event to the client.	1867	Sends an ext event to the client.
1151		1868
1152	=cut	1869	=cut
1153		1870
1154	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1156		1873
1157	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1158	}	1875	}
1159		1876
1160	=head3 cf::region	1877	=head3 cf::region
1161		1878
1162	=over 4	1879	=over 4
…		…
1165		1882
1166	package cf::region;	1883	package cf::region;
1167		1884
1168	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1169		1886
1170	Tries to decuce the probable region for a map knowing only its path.	1887	Tries to decuce the likely region for a map knowing only its path.
1171		1888
1172	=cut	1889	=cut
1173		1890
1174	sub find_by_path($) {	1891	sub find_by_path($) {
1175	my ($path) = @_;	1892	my ($path) = @_;
1176		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1177	my ($match, $specificity);	1896	my ($match, $specificity);
1178		1897
1179	for my $region (list) {	1898	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1183	}	1902	}
1184	}	1903	}
1185		1904
…		…
1206	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1208		1927
1209	sub generate_random_map {	1928	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1212	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	1934	}
1226		1935
1227	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1228		1937
1229	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1234		1943
1235	sub register {	1944	sub register {
1236	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1946	my $pkg = caller;
1238		1947
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1949
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1951	}
1244		1952
1245	# also paths starting with '/'	1953	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1955
1248	sub thawer_merge {	1956	sub thawer_merge {
1249	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1250		1958
1251	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1252	local $self->{path};	1960	local $self->{path};
1253	local $self->{load_path};	1961	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1962
1257	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1258	}	1964	}
1259		1965
1260	sub normalise {	1966	sub normalise {
1261	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1262		1968
1263	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1264		1970
1265	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1266		1972
1267	# map plan:	1973	# map plan:
1268	#	1974	#
…		…
1283	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	1990	$path = "$base/$path";
1285	}	1991	}
1286		1992
1287	for ($path) {	1993	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1291	}	1996	}
1292		1997
1293	$path	1998	$path
…		…
1307	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1308	return $self;	2013	return $self;
1309	}	2014	}
1310	}	2015	}
1311		2016
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	2018	()
1314	}	2019	}
1315		2020
		2021	# may re-bless or do other evil things
1316	sub init {	2022	sub init {
1317	my ($self) = @_;	2023	my ($self) = @_;
1318		2024
1319	$self	2025	$self
1320	}	2026	}
…		…
1332		2038
1333	# the original (read-only) location	2039	# the original (read-only) location
1334	sub load_path {	2040	sub load_path {
1335	my ($self) = @_;	2041	my ($self) = @_;
1336		2042
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1338	}	2044	}
1339		2045
1340	# the temporary/swap location	2046	# the temporary/swap location
1341	sub save_path {	2047	sub save_path {
1342	my ($self) = @_;	2048	my ($self) = @_;
1343		2049
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1346	}	2052	}
1347		2053
1348	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1349	sub uniq_path {	2055	sub uniq_path {
1350	my ($self) = @_;	2056	my ($self) = @_;
1351		2057
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1354	}	2060	}
1355		2061
1356	# and all this just because we cannot iterate over	2062	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2063	my ($self) = @_;
1360		2064
1361	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1363	}	2068	}
1364		2069
1365	sub unlink_save {	2070	sub unlink_save {
1366	my ($self) = @_;	2071	my ($self) = @_;
1367		2072
…		…
1372		2077
1373	sub load_header_from($) {	2078	sub load_header_from($) {
1374	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1375		2080
1376	utf8::encode $path;	2081	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2083	or return;
1382		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1383	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1384		2092
1385	1	2093	1
1386	}	2094	}
1387		2095
		2096	# used to laod the header of an original map
1388	sub load_header_orig {	2097	sub load_header_orig {
1389	my ($self) = @_;	2098	my ($self) = @_;
1390		2099
1391	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1392	}	2101	}
1393		2102
		2103	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2104	sub load_header_temp {
1395	my ($self) = @_;	2105	my ($self) = @_;
1396		2106
1397	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1398	}	2108	}
1399		2109
		2110	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2111	sub prepare_temp {
1401	my ($self) = @_;	2112	my ($self) = @_;
1402		2113
1403	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1405	# safety	2116	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2119	}
1409		2120
		2121	# called after loading the header from an original map
1410	sub prepare_orig {	2122	sub prepare_orig {
1411	my ($self) = @_;	2123	my ($self) = @_;
1412		2124
1413	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2137	$self->load_header_orig
1426	or return;	2138	or return;
1427	$self->prepare_orig;	2139	$self->prepare_orig;
1428	}	2140	}
1429		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1430	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2146	unless $self->default_region;
1432		2147
1433	1	2148	1
1434	}	2149	}
1435		2150
1436	sub find;	2151	sub find;
1437	sub find {	2152	sub find {
1438	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1439		2154
		2155	cf::cede_to_tick;
		2156
1440	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1441		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2161
1444	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1447	or return;	2164	or return;
1448		2165
1449	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1450		2167
1451	$map->load_header	2168	$map->load_header
1452	or return;	2169	or return;
1453		2170
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1457	$map->reset;	2176	$map->reset;
1458	undef $guard;
1459	return find $path;	2177	return find $path;
1460	}	2178	}
1461		2179
1462	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1463	}	2181	}
1464	}	2182	}
1465		2183
1466	sub pre_load { }	2184	sub pre_load { }
1467	sub post_load { }	2185	#sub post_load { } # XS
1468		2186
1469	sub load {	2187	sub load {
1470	my ($self) = @_;	2188	my ($self) = @_;
1471		2189
1472	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1473		2191
1474	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1476		2196
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1478		2199
1479	$self->in_memory (cf::MAP_LOADING);
1480
1481	$self->alloc;	2200	$self->alloc;
1482		2201
1483	$self->pre_load;	2202	$self->pre_load;
1484	Coro::cede;	2203	cf::cede_to_tick;
1485		2204
1486	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1487	or return;	2209	or return;
1488		2210
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1490	if delete $self->{load_original};	2212	if delete $self->{load_original};
1491		2213
1492	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2215	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2218	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1497	}	2223	}
1498	}
1499		2224
1500	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1501	# now do the right thing for maps	2234	# now do the right thing for maps
1502	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2237	unless $self->difficulty;
1513	Coro::cede;	2238	cf::cede_to_tick;
1514	$self->activate;	2239
1515	Coro::cede;	2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	$self->post_load_physics;
		2245	cf::cede_to_tick;
		2246	#$self->activate; # no longer activate maps automatically
		2247	}
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1516	}	2251	}
1517		2252
1518	$self->post_load;	2253	$self->post_load;
1519	Coro::cede;
1520		2254
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2255	1
1522	}	2256	}
1523		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2261	sub customise_for {
1525	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1526		2263
1527	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2265	if $self->per_player;
1529		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1530	$self	2270	$self
1531	}	2271	}
1532		2272
1533	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2274	sub load_neighbours {
1535	my ($map) = @_;	2275	my ($map) = @_;
1536		2276
1537	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1538		2278
1539	for (0 .. 3) {	2279	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1541	or next;	2281	or next;
1542	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1543	or next;	2283	or next;
1544	$neigh->load;	2284	$neigh->load;
1545		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2290	}
1549		2291
1550	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1552	or next;	2295	or next;
1553	$neigh->load;	2296	$neigh->load;
1554	}	2297	}
1555	}	2298	}
1556		2299
1557	sub find_sync {	2300	sub find_sync {
1558	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1559		2302
1560	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1561	}	2308	}
1562		2309
1563	sub do_load_sync {	2310	sub do_load_sync {
1564	my ($map) = @_;	2311	my ($map) = @_;
1565		2312
1566	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1567	}	2318	}
1568		2319
1569	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1571		2322
1572	sub find_async {	2323	sub find_async {
1573	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1574		2325
1575	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1576		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
1577	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
1579	}	2332	}
1580		2333
1581	undef $MAP_PREFETCH{$path};	2334	$MAP_PREFETCH{$path} |= $load;
		2335
1582	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
		2337	$Coro::current->{desc} = "map prefetcher";
		2338
1583	while (%MAP_PREFETCH) {	2339	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2340	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2341	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2342	$map->load if $v;
		2343	}
1588		2344
1589	delete $MAP_PREFETCH{$path};	2345	delete $MAP_PREFETCH{$k};
1590	}	2346	}
1591	}	2347	}
1592	undef $MAP_PREFETCHER;	2348	undef $MAP_PREFETCHER;
1593	};	2349	};
1594	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
1595		2351
1596	()	2352	()
1597	}	2353	}
1598		2354
		2355	# common code, used by both ->save and ->swapout
1599	sub save {	2356	sub _save {
1600	my ($self) = @_;	2357	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2358
1604	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
1605		2360
1606	return unless $self->dirty;	2361	return unless $self->dirty;
1607		2362
…		…
1613	return if $self->{deny_save};	2368	return if $self->{deny_save};
1614		2369
1615	local $self->{last_access} = $self->last_access;#d#	2370	local $self->{last_access} = $self->last_access;#d#
1616		2371
1617	cf::async {	2372	cf::async {
		2373	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
1619	};	2375	};
		2376
		2377	cf::get_slot 0.02;
1620		2378
1621	if ($uniq) {	2379	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2382	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2384	}
1627	}	2385	}
1628		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
1629	sub swap_out {	2395	sub swap_out {
1630	my ($self) = @_;	2396	my ($self) = @_;
1631		2397
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
1637	return if $self->players;	2402	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
1641	$self->clear;	2413	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2414	}
1644		2415
1645	sub reset_at {	2416	sub reset_at {
1646	my ($self) = @_;	2417	my ($self) = @_;
1647		2418
1648	# TODO: safety, remove and allow resettable per-player maps	2419	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2420	return 1e99 if $self->{deny_reset};
1651		2421
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2423	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2424
…		…
1665	my ($self) = @_;	2435	my ($self) = @_;
1666		2436
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2438
1669	return if $self->players;	2439	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2440
1672	warn "resetting map ", $self->path;#d#	2441	cf::trace "resetting map ", $self->path, "\n";
1673		2442
1674	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
1675		2444
1676	# need to save uniques path	2445	# need to save uniques path
1677	unless ($self->{deny_save}) {	2446	unless ($self->{deny_save}) {
1678	my $uniq = $self->uniq_path; utf8::encode $uniq;	2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
1679		2448
…		…
1681	if $uniq;	2450	if $uniq;
1682	}	2451	}
1683		2452
1684	delete $cf::MAP{$self->path};	2453	delete $cf::MAP{$self->path};
1685		2454
		2455	$self->deactivate;
		2456	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2457	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2458
1690	$self->unlink_save;	2459	$self->unlink_save;
1691	$self->destroy;	2460	$self->destroy;
1692	}	2461	}
1693		2462
1694	my $nuke_counter = "aaaa";	2463	my $nuke_counter = "aaaa";
1695		2464
1696	sub nuke {	2465	sub nuke {
1697	my ($self) = @_;	2466	my ($self) = @_;
1698		2467
		2468	{
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
1699	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
1700		2472
1701	$self->unlink_save;	2473	$self->unlink_save;
1702		2474
1703	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2480
1709	$cf::MAP{$self->path} = $self;	2481	$cf::MAP{$self->path} = $self;
		2482	}
1710		2483
1711	$self->reset; # polite request, might not happen	2484	$self->reset; # polite request, might not happen
		2485	}
		2486
		2487	=item $maps = cf::map::tmp_maps
		2488
		2489	Returns an arrayref with all map paths of currently instantiated and saved
		2490	maps. May block.
		2491
		2492	=cut
		2493
		2494	sub tmp_maps() {
		2495	[
		2496	map {
		2497	utf8::decode $_;
		2498	/\.map$/
		2499	? normalise $_
		2500	: ()
		2501	} @{ aio_readdir $TMPDIR or [] }
		2502	]
		2503	}
		2504
		2505	=item $maps = cf::map::random_maps
		2506
		2507	Returns an arrayref with all map paths of currently instantiated and saved
		2508	random maps. May block.
		2509
		2510	=cut
		2511
		2512	sub random_maps() {
		2513	[
		2514	map {
		2515	utf8::decode $_;
		2516	/\.map$/
		2517	? normalise "?random/$_"
		2518	: ()
		2519	} @{ aio_readdir $RANDOMDIR or [] }
		2520	]
1712	}	2521	}
1713		2522
1714	=item cf::map::unique_maps	2523	=item cf::map::unique_maps
1715		2524
1716	Returns an arrayref of paths of all shared maps that have	2525	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2526	instantiated unique items. May block.
1718		2527
1719	=cut	2528	=cut
1720		2529
1721	sub unique_maps() {	2530	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2531	[
1723	or return;	2532	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2533	utf8::decode $_;
1729	next if /\.pst$/;	2534	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2536	? ()
1732	push @paths, cf::map::normalise $_;	2537	: normalise $_
		2538	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2539	]
1734
1735	\@paths
1736	}	2540	}
1737		2541
1738	package cf;	2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
1739		2573
1740	=back	2574	=back
1741		2575
1742	=head3 cf::object	2576	=head3 cf::object
1743		2577
…		…
1747		2581
1748	=over 4	2582	=over 4
1749		2583
1750	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
1751		2585
1752	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
1753		2588
1754	=cut	2589	=cut
1755		2590
1756	sub inv_recursive_;	2591	sub inv_recursive_;
1757	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
1760		2595
1761	sub inv_recursive {	2596	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
1763	}	2598	}
1764		2599
		2600	=item $ref = $ob->ref
		2601
		2602	Creates and returns a persistent reference to an object that can be stored as a string.
		2603
		2604	=item $ob = cf::object::deref ($refstring)
		2605
		2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2607	even if the object actually exists. May block.
		2608
		2609	=cut
		2610
		2611	sub deref {
		2612	my ($ref) = @_;
		2613
		2614	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2615	my ($uuid, $name) = ($1, $2);
		2616	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2617	or return;
		2618	$pl->ob->uuid eq $uuid
		2619	or return;
		2620
		2621	$pl->ob
		2622	} else {
		2623	warn "$ref: cannot resolve object reference\n";
		2624	undef
		2625	}
		2626	}
		2627
1765	package cf;	2628	package cf;
1766		2629
1767	=back	2630	=back
1768		2631
1769	=head3 cf::object::player	2632	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2638	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
1778		2641
1779	=cut	2642	=cut
		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
1780		2657
1781	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2659	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
…		…
1786		2663
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2664	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2665
1789	if ($self->{record_replies}) {	2666	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2667	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2668
1791	} else {	2669	} else {
		2670	my $pl = $self->contr;
		2671
		2672	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2673	my $dialog = $pl->{npc_dialog};
		2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2675
		2676	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2679	}
1794	}	2680	}
		2681	}
		2682
		2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2684
		2685	=cut
		2686
		2687	sub cf::object::send_msg {
		2688	my $pl = shift->contr
		2689	or return;
		2690	$pl->send_msg (@_);
1795	}	2691	}
1796		2692
1797	=item $player_object->may ("access")	2693	=item $player_object->may ("access")
1798		2694
1799	Returns wether the given player is authorized to access resource "access"	2695	Returns wether the given player is authorized to access resource "access"
…		…
1812		2708
1813	=item $player_object->enter_link	2709	=item $player_object->enter_link
1814		2710
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2712
1817	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
1819		2717
1820	Will never block.	2718	Will never block.
1821		2719
1822	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
1823		2721
…		…
1843	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2742	my ($self) = @_;
1845		2743
1846	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
1847		2745
		2746	++$self->{_link_recursion};
		2747
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2749
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2751	if $self->map && $self->map->{path} ne "{link}";
1852		2752
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2754	}
1855		2755
1856	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
		2758
		2759	return unless $self->contr->active;
1858		2760
1859	my $link_pos = delete $self->{_link_pos};	2761	my $link_pos = delete $self->{_link_pos};
1860		2762
1861	unless ($map) {	2763	unless ($map) {
1862	# restore original map position	2764	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
1875		2777
1876	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
1879		2781
1880	$map->load;	2782	$map->load;
1881	$map->load_diag;	2783	$map->load_neighbours;
1882		2784
1883	return unless $self->contr->active;	2785	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2786
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
1888	}	2789	# entering was successful
1889		2790	delete $self->{_link_recursion};
1890	cf::player->attach (	2791	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2792	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2793	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2794
1904	# try to abort aborted map switching on player login :)	2795	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2796
1922	=item $player_object->goto ($path, $x, $y)	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2798
		2799	Moves the player to the given map-path and coordinates by first freezing
		2800	her, loading and preparing them map, calling the provided $check callback
		2801	that has to return the map if sucecssful, and then unfreezes the player on
		2802	the new (success) or old (failed) map position. In either case, $done will
		2803	be called at the end of this process.
		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
1924	=cut	2808	=cut
		2809
		2810	our $GOTOGEN;
1925		2811
1926	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
		2820
		2821	# do generation counting so two concurrent goto's will be executed in-order
		2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2823
1929	$self->enter_link;	2824	$self->enter_link;
1930		2825
1931	(async {	2826	(async {
		2827	$Coro::current->{desc} = "player::goto $path $x $y";
		2828
		2829	# *tag paths override both path and x|y
		2830	if ($path =~ /^\*(.*)$/) {
		2831	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2832	my $ob = $obs[rand @obs];
		2833
		2834	# see if we actually can go there
		2835	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2836	$ob = $obs[rand @obs];
		2837	} else {
		2838	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840	# else put us there anyways for now #d#
		2841
		2842	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2843	} else {
		2844	($path, $x, $y) = (undef, undef, undef);
		2845	}
		2846	}
		2847
1932	my $map = eval {	2848	my $map = eval {
1933	my $map = cf::map::find $path;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2850
		2851	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2852	$map = $map->customise_for ($self);
		2853	$map = $check->($map, $x, $y, $self) if $check && $map;
		2854	} else {
		2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2856	}
		2857
1935	$map	2858	$map
		2859	};
		2860
		2861	if ($@) {
		2862	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2863	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2864	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2865
		2866	if ($gen == $self->{_goto_generation}) {
		2867	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
		2869	}
		2870
		2871	$done->($self) if $done;
1940	})->prio (1);	2872	})->prio (1);
1941	}	2873	}
1942		2874
1943	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
1944		2876
…		…
1964	}	2896	}
1965		2897
1966	sub prepare_random_map {	2898	sub prepare_random_map {
1967	my ($exit) = @_;	2899	my ($exit) = @_;
1968		2900
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2903	# that depends on the exit object
1974		2904
1975	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2907	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
1982	}	2914	}
1983		2915
1984	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
1985		2917
1986	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
1989		2921
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2924	undef $fh;
1993	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
1994		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
1997	}	2933	}
1998	}	2934	}
1999		2935
2000	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2002		2938
2003	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2004		2940
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2941	$self->enter_link;
2017		2942
2018	(async {	2943	(async {
2019	$self->deactivate_recursive; # just to be sure	2944	$Coro::current->{desc} = "enter_exit";
		2945
2020	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
2021	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2022		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
2023	1;	2982	1
2024	}) {	2983	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2988
2030	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2990	$self->leave_link;
2032	}	2991	}
2033	})->prio (1);	2992	})->prio (1);
2034	}	2993	}
2035		2994
…		…
2049		3008
2050	utf8::encode $text;	3009	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	3011	}
2053		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
		3036	}
		3037
		3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3039
		3040	Send a drawinfo or msg packet to the client, formatting the msg for the
		3041	client if neccessary. C<$type> should be a string identifying the type of
		3042	the message, with C<log> being the default. If C<$color> is negative, suppress
		3043	the message unless the client supports the msg packet.
		3044
		3045	=cut
		3046
		3047	# non-persistent channels (usually the info channel)
		3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
		3055	"c/identify" => {
		3056	id => "infobox",
		3057	title => "Identify",
		3058	reply => undef,
		3059	tooltip => "Items recently identified",
		3060	},
		3061	"c/examine" => {
		3062	id => "infobox",
		3063	title => "Examine",
		3064	reply => undef,
		3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
		3072	},
		3073	"c/book" => {
		3074	id => "infobox",
		3075	title => "Book",
		3076	reply => undef,
		3077	tooltip => "The contents of a note or book",
		3078	},
		3079	"c/lookat" => {
		3080	id => "infobox",
		3081	title => "Look",
		3082	reply => undef,
		3083	tooltip => "What you saw there",
		3084	},
		3085	"c/who" => {
		3086	id => "infobox",
		3087	title => "Players",
		3088	reply => undef,
		3089	tooltip => "Shows players who are currently online",
		3090	},
		3091	"c/body" => {
		3092	id => "infobox",
		3093	title => "Body Parts",
		3094	reply => undef,
		3095	tooltip => "Shows which body parts you posess and are available",
		3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
		3133	"c/uptime" => {
		3134	id => "infobox",
		3135	title => "Uptime",
		3136	reply => undef,
		3137	tooltip => "How long the server has been running since last restart",
		3138	},
		3139	"c/mapinfo" => {
		3140	id => "infobox",
		3141	title => "Map Info",
		3142	reply => undef,
		3143	tooltip => "Information related to the maps",
		3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
		3159	);
		3160
		3161	sub cf::client::send_msg {
		3162	my ($self, $channel, $msg, $color, @extra) = @_;
		3163
		3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
		3166
		3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3168
		3169	# check predefined channels, for the benefit of C
		3170	if ($CHANNEL{$channel}) {
		3171	$channel = $CHANNEL{$channel};
		3172
		3173	$self->ext_msg (channel_info => $channel);
		3174	$channel = $channel->{id};
		3175
		3176	} elsif (ref $channel) {
		3177	# send meta info to client, if not yet sent
		3178	unless (exists $self->{channel}{$channel->{id}}) {
		3179	$self->{channel}{$channel->{id}} = $channel;
		3180	$self->ext_msg (channel_info => $channel);
		3181	}
		3182
		3183	$channel = $channel->{id};
		3184	}
		3185
		3186	return unless @extra || length $msg;
		3187
		3188	# default colour, mask it out
		3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3190	if $color & cf::NDI_DEF;
		3191
		3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
		3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3195	);
		3196
		3197	$self->send_big_packet ($pkt);
		3198	}
		3199
2054	=item $client->ext_event ($type, %msg)	3200	=item $client->ext_msg ($type, @msg)
2055		3201
2056	Sends an exti event to the client.	3202	Sends an ext event to the client.
2057		3203
2058	=cut	3204	=cut
2059		3205
2060	sub cf::client::ext_event($$%) {	3206	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3207	my ($self, $type, @msg) = @_;
2062		3208
		3209	if ($self->extcmd == 2) {
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3211	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3212	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3214	}
		3215	}
		3216
		3217	=item $client->ext_reply ($msgid, @msg)
		3218
		3219	Sends an ext reply to the client.
		3220
		3221	=cut
		3222
		3223	sub cf::client::ext_reply($$@) {
		3224	my ($self, $id, @msg) = @_;
		3225
		3226	if ($self->extcmd == 2) {
		3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3228	} elsif ($self->extcmd == 1) {
		3229	#TODO: version 1, remove
		3230	unshift @msg, msgtype => "reply", msgid => $id;
		3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3232	}
2065	}	3233	}
2066		3234
2067	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2068		3236
2069	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3238	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3240
2073	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3242	become reliable at some point in the future.
2075		3243
2076	=cut	3244	=cut
2077		3245
2078	sub cf::client::query {	3246	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3255	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3257
2090	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
2092	}	3262	}
2093		3263
2094	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
2095	on_reply => sub {	3270	on_reply => sub {
2096	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2097		3272
2098	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2099	# get handled first	3274	# get handled first
…		…
2111	} else {	3286	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3288	}
2114	}	3289	}
2115	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) =
		3298	"ARRAY" eq ref $msg
		3299	? @$msg
		3300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3301
		3302	my @reply;
		3303
		3304	if (my $cb = $EXTICMD{$type}) {
		3305	@reply = $cb->($ns, @payload);
		3306	}
		3307
		3308	$ns->ext_reply ($reply, @reply)
		3309	if $reply;
		3310
		3311	} else {
		3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3313	}
		3314
		3315	cf::override;
		3316	},
2116	);	3317	);
2117		3318
2118	=item $client->async (\&cb)	3319	=item $client->async (\&cb)
2119		3320
2120	Create a new coroutine, running the specified callback. The coroutine will	3321	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3337
2137	$coro	3338	$coro
2138	}	3339	}
2139		3340
2140	cf::client->attach (	3341	cf::client->attach (
2141	on_destroy => sub {	3342	on_client_destroy => sub {
2142	my ($ns) = @_;	3343	my ($ns) = @_;
2143		3344
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3346	},
2146	);	3347	);
…		…
2161	our $safe = new Safe "safe";	3362	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2163		3364
2164	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2165		3366
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3367	$safe->permit_only (Opcode::opset qw(
		3368	:base_core :base_mem :base_orig :base_math :base_loop
		3369	grepstart grepwhile mapstart mapwhile
		3370	sort time
		3371	));
2167		3372
2168	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
2169		3374
2170	=pod	3375	=pod
2171		3376
2172	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2173		3378
2174	cf::object contr pay_amount pay_player map	3379	cf::object
		3380	contr pay_amount pay_player map x y force_find force_add destroy
		3381	insert remove name archname title slaying race decrease split
		3382	value
		3383
2175	cf::object::player player	3384	cf::object::player
2176	cf::player peaceful	3385	player
2177	cf::map trigger	3386
		3387	cf::player
		3388	peaceful
		3389
		3390	cf::map
		3391	trigger
2178		3392
2179	=cut	3393	=cut
2180		3394
2181	for (	3395	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3397	insert remove inv nrof name archname title slaying race
		3398	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2186	) {	3402	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3405	for @funs;
2191	}	3406	}
2192		3407
…		…
2207		3422
2208	my $qcode = $code;	3423	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2211		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2212	local $_;	3430	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3431
2215	my $eval =	3432	my $eval =
2216	"do {\n"	3433	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3436	. $code
2220	. "\n}"	3437	. "\n}"
2221	;	3438	;
2222		3439
		3440	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
2226		3449
2227	if ($@) {	3450	if ($@) {
2228	warn "$@";	3451	warn "$@",
2229	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
2231	}	3454	}
2232		3455
2233	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
2234	}	3457	}
2235		3458
…		…
2249	=cut	3472	=cut
2250		3473
2251	sub register_script_function {	3474	sub register_script_function {
2252	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
2253		3476
2254	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
2256	}	3479	}
2257		3480
2258	=back	3481	=back
2259		3482
2260	=cut	3483	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3484
2334	#############################################################################	3485	#############################################################################
2335	# the server's init and main functions	3486	# the server's init and main functions
2336		3487
2337	sub load_facedata {	3488	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3489	my ($path) = @_;
2339		3490
		3491	# HACK to clear player env face cache, we need some signal framework
		3492	# for this (global event?)
		3493	%ext::player_env::MUSIC_FACE_CACHE = ();
		3494
		3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3496
2340	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
2341		3498
2342	my $facedata;	3499	my $facedata = decode_storable load_file $path;
2343	0 < aio_load $path, $facedata
2344	or die "$path: $!";
2345
2346	$facedata = Coro::Storable::thaw $facedata;
2347		3500
2348	$facedata->{version} == 2	3501	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3503
		3504	# patch in the exptable
		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3506	$facedata->{resource}{"res/exp_table"} = {
		3507	type => FT_RSRC,
		3508	data => $exp_table,
		3509	hash => (Digest::MD5::md5 $exp_table),
		3510	};
		3511	cf::cede_to_tick;
		3512
2351	{	3513	{
2352	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
2353		3515
2354	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3518
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3519	cf::face::set_visibility $idx, $info->{visibility};
		3520	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3524
		3525	cf::cede_to_tick;
2360	}	3526	}
2361		3527
2362	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3529	next unless $info->{smooth};
		3530
2364	my $idx = cf::face::find $face	3531	my $idx = cf::face::find $face
2365	or next;	3532	or next;
		3533
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
		3535	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3537	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3539	}
2371	Coro::cede;	3540
		3541	cf::cede_to_tick;
2372	}	3542	}
2373	}	3543	}
2374		3544
2375	{	3545	{
2376	my $anims = $facedata->{animinfo};	3546	my $anims = $facedata->{animinfo};
2377		3547
2378	while (my ($anim, $info) = each %$anims) {	3548	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3549	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3550	cf::cede_to_tick;
2381	}	3551	}
2382		3552
2383	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
2384	}	3554	}
2385		3555
		3556	{
		3557	my $res = $facedata->{resource};
		3558
		3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
		3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3562
		3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3564	cf::face::set_type $idx, $info->{type};
		3565	} else {
		3566	$RESOURCE{$name} = $info; # unused
		3567	}
		3568
		3569	cf::cede_to_tick;
		3570	}
		3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3574
2386	1	3575	1
2387	}	3576	}
2388		3577
		3578	register_exticmd fx_want => sub {
		3579	my ($ns, $want) = @_;
		3580
		3581	while (my ($k, $v) = each %$want) {
		3582	$ns->fx_want ($k, $v);
		3583	}
		3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
		3595
		3596	sub reload_regions {
		3597	# HACK to clear player env face cache, we need some signal framework
		3598	# for this (global event?)
		3599	%ext::player_env::MUSIC_FACE_CACHE = ();
		3600
		3601	load_resource_file "$MAPDIR/regions"
		3602	or die "unable to load regions file\n";
		3603
		3604	for (cf::region::list) {
		3605	$_->{match} = qr/$_->{match}/
		3606	if exists $_->{match};
		3607	}
		3608	}
		3609
		3610	sub reload_facedata {
		3611	load_facedata "$DATADIR/facedata"
		3612	or die "unable to load facedata\n";
		3613	}
		3614
2389	sub load_archetypes {	3615	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3616	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3617	or die "unable to load archetypes\n";
2392	}	3618	}
2393		3619
2394	sub load_treasures {	3620	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3621	load_resource_file "$DATADIR/treasures"
		3622	or die "unable to load treasurelists\n";
		3623	}
		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
2396	}	3643	}
2397		3644
2398	sub reload_resources {	3645	sub reload_resources {
2399	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3646	trace "reloading resource files...\n";
2400	or die "unable to load regions file\n";	3647
		3648	reload_exp_table;
		3649	reload_materials;
2401	load_facedata	3650	reload_facedata;
2402	or die "unable to load facedata\n";	3651	reload_sound;
2403	load_archetypes	3652	reload_archetypes;
2404	or die "unable to load archetypes\n";	3653	reload_regions;
2405	load_treasures	3654	reload_treasures;
2406	or die "unable to load treasurelists\n";
2407	}
2408		3655
2409	sub init {	3656	trace "finished reloading resource files\n";
2410	reload_resources;
2411	}	3657	}
2412		3658
2413	sub cfg_load {	3659	sub reload_config {
2414	open my $fh, "<:utf8", cf::confdir . "/config"	3660	trace "reloading config file...\n";
2415	or return;
2416		3661
2417	local $/;	3662	my $config = load_file "$CONFDIR/config";
2418	*CFG = YAML::Syck::Load <$fh>;	3663	utf8::decode $config;
		3664	*CFG = decode_yaml $config;
2419		3665
2420	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2421		3667
2422	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2423	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2424		3670
2425	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
2429	};	3675	};
2430	warn $@ if $@;	3676	warn $@ if $@;
2431	}	3677	}
2432	}	3678	}
2433		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
2434	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
2435	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
2436	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
2437	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2438	(async {	3721	(async {
2439	Event::one_event;	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3723	EV::loop EV::LOOP_ONESHOT;
2440	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
2441	};	3725	};
2442		3726
2443	cfg_load;	3727	evthread_start IO::AIO::poll_fileno;
		3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
		3739	reload_config;
2444	db_init;	3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
2445	load_extensions;	3750	load_extensions;
2446		3751
2447	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
2448	Event::loop;	3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
2449	}	3770	}
2450		3771
2451	#############################################################################	3772	#############################################################################
2452	# initialisation and cleanup	3773	# initialisation and cleanup
2453		3774
2454	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
2455	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
2456	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
2457	Event->signal (	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2458	reentrant => 0,
2459	data => WF_AUTOCANCEL,
2460	signal => $signal,
2461	prio => 0,
2462	cb => sub {
2463	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
2464	},
2465	);	3781	};
		3782	}
		3783	}
		3784
		3785	sub write_runtime_sync {
		3786	my $t0 = AE::time;
		3787
		3788	# first touch the runtime file to show we are still running:
		3789	# the fsync below can take a very very long time.
		3790
		3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3792
		3793	my $guard = cf::lock_acquire "write_runtime";
		3794
		3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3796	or return;
		3797
		3798	my $value = $cf::RUNTIME + 90 + 10;
		3799	# 10 is the runtime save interval, for a monotonic clock
		3800	# 60 allows for the watchdog to kill the server.
		3801
		3802	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3803	and return;
		3804
		3805	# always fsync - this file is important
		3806	aio_fsync $fh
		3807	and return;
		3808
		3809	# touch it again to show we are up-to-date
		3810	aio_utime $fh, undef, undef;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3816	and return;
		3817
		3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3819
2466	}	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
2467	}	3871	}
2468		3872
2469	sub emergency_save() {	3873	sub emergency_save() {
2470	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
2471		3875
2472	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
2473		3882
2474	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
2475	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
2476	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
2477	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
2478	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
2479	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
2480	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
2481	$pl->valid or next;	3892	$pl->valid or next;
		3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2482	$pl->save;	3894	$pl->save;
2483	}	3895	}
2484	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
2485		3897
2486	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
2487	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
2488	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
2489	$map->valid or next;	3903	$map->valid or next;
2490	$map->save;	3904	$map->save;
2491	}	3905	}
2492	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
2493		3907
2494	warn "begin emergency database checkpoint\n";	3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
2495	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
2496	warn "end emergency database checkpoint\n";	3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
2497	};	3936	};
2498		3937
2499	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
2500	}	3939	}
2501		3940
2502	sub post_cleanup {	3941	sub post_cleanup {
2503	my ($make_core) = @_;	3942	my ($make_core) = @_;
2504		3943
		3944	IO::AIO::flush;
		3945
2505	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
2506	if $make_core;	3947	if $make_core;
2507	}
2508		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
		3976	}
		3977
2509	sub reload() {	3978	sub do_reload_perl() {
2510	# can/must only be called in main	3979	# can/must only be called in main
2511	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
2512	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
2513	return;	3982	return;
2514	}	3983	}
2515		3984
2516	warn "reloading...";	3985	return if $RELOAD++;
2517		3986
2518	warn "entering sync_job";	3987	my $t1 = AE::time;
2519		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
2520	cf::sync_job {	3995	cf::sync_job {
2521	cf::write_runtime; # external watchdog should not bark
2522	cf::emergency_save;	3996	#cf::emergency_save;
2523	cf::write_runtime; # external watchdog should not bark
2524		3997
2525	warn "syncing database to disk";
2526	BDB::db_env_txn_checkpoint $DB_ENV;
2527
2528	# if anything goes wrong in here, we should simply crash as we already saved
2529
2530	warn "cancelling all WF_AUTOCANCEL watchers";
2531	for (Event::all_watchers) {
2532	$_->cancel if $_->data & WF_AUTOCANCEL;
2533	}
2534
2535	warn "flushing outstanding aio requests";
2536	for (;;) {
2537	BDB::flush;
2538	IO::AIO::flush;
2539	Coro::cede;
2540	last unless IO::AIO::nreqs || BDB::nreqs;
2541	warn "iterate...";
2542	}
2543
2544	++$RELOAD;
2545
2546	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
2547	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
2548	%EXT_CORO = ();	4000	%EXT_CORO = ();
2549		4001
2550	warn "removing commands";	4002	trace "perl_reload: removing commands";
2551	%COMMAND = ();	4003	%COMMAND = ();
2552		4004
2553	warn "removing ext commands";	4005	trace "perl_reload: removing ext/exti commands";
2554	%EXTCMD = ();	4006	%EXTCMD = ();
		4007	%EXTICMD = ();
2555		4008
2556	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
2557	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
2558	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
2559		4012
2560	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
2561	eval {	4014	eval {
2562	$cb->($pkg);	4015	$cb->($pkg);
2563	1	4016	1
2564	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
2565	}	4022	}
2566		4023
2567	warn "... nuking $pkg";
2568	Symbol::delete_package $pkg;
2569	}
2570
2571	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2572	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
2573	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2574		4027
2575	warn "... unloading $k";	4028	trace "... unloading $k";
2576	delete $INC{$k};	4029	delete $INC{$k};
2577		4030
2578	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
2579	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
2580		4033
2581	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
2582	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
2583	}	4039	}
2584		4040
2585	Symbol::delete_package $k;
2586	}
2587
2588	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
2589	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
2590	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2591		4044
2592	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
2593	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
		4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2594		4048
2595	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
2596	# and global variables created in xs	4050	# and global variables created in xs
2597	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
2598		4052
2599	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
2600		4054
2601	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
2602	require cf;	4056	require cf;
2603	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
2604		4058
2605	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
2606	cf::cfg_load;	4060	cf::reload_config;
2607		4061
2608	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
2609	cf::load_extensions;	4063	cf::load_extensions;
2610		4064
		4065	if ($REATTACH_ON_RELOAD) {
2611	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
2612	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
2613	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
2614	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
2615	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
2616	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
2617		4073
2618	warn "loading reloadable resources";	4074	cf::_post_init 1;
2619	reload_resources;
2620		4075
2621	warn "leaving sync_job";	4076	trace "perl_reload: leaving sync_job";
2622		4077
2623	1	4078	1
2624	} or do {	4079	} or do {
2625	warn $@;	4080	error $@;
2626	warn "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
2627	exit 1;	4082	};
		4083
		4084	--$RELOAD;
		4085	}
		4086
		4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
		4089	};
		4090
		4091	our $RELOAD_WATCHER; # used only during reload
		4092
		4093	sub reload_perl() {
		4094	# doing reload synchronously and two reloads happen back-to-back,
		4095	# coro crashes during coro_state_free->destroy here.
		4096
		4097	$RELOAD_WATCHER ||= cf::async {
		4098	Coro::AIO::aio_wait cache_extensions;
		4099
		4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4101	do_reload_perl;
		4102	undef $RELOAD_WATCHER;
		4103	};
2628	};	4104	};
2629		4105	}
2630	warn "reloaded";
2631	};
2632
2633	our $RELOAD_WATCHER; # used only during reload
2634		4106
2635	register_command "reload" => sub {	4107	register_command "reload" => sub {
2636	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
2637		4109
2638	if ($who->flag (FLAG_WIZ)) {	4110	if ($who->flag (FLAG_WIZ)) {
2639	$who->message ("reloading server.");	4111	$who->message ("reloading server.");
2640		4112	async {
2641	# doing reload synchronously and two reloads happen back-to-back,	4113	$Coro::current->{desc} = "perl_reload";
2642	# coro crashes during coro_state_free->destroy here.
2643
2644	$RELOAD_WATCHER ||= Event->timer (
2645	reentrant => 0,
2646	after => 0,
2647	data => WF_AUTOCANCEL,
2648	cb => sub {
2649	reload;	4114	reload_perl;
2650	undef $RELOAD_WATCHER;
2651	},
2652	);	4115	};
2653	}	4116	}
2654	};	4117	};
2655		4118
2656	unshift @INC, $LIBDIR;	4119	#############################################################################
2657		4120
2658	my $bug_warning = 0;	4121	my $bug_warning = 0;
2659		4122
2660	our @WAIT_FOR_TICK;
2661	our @WAIT_FOR_TICK_BEGIN;
2662
2663	sub wait_for_tick {	4123	sub wait_for_tick() {
2664	return unless $TICK_WATCHER->is_active;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2665	return if $Coro::current == $Coro::main;
2666		4125
2667	my $signal = new Coro::Signal;	4126	$WAIT_FOR_TICK->wait;
2668	push @WAIT_FOR_TICK, $signal;
2669	$signal->wait;
2670	}	4127	}
2671		4128
2672	sub wait_for_tick_begin {	4129	sub wait_for_tick_begin() {
2673	return unless $TICK_WATCHER->is_active;	4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2674	return if $Coro::current == $Coro::main;
2675		4131
2676	my $signal = new Coro::Signal;	4132	my $signal = new Coro::Signal;
2677	push @WAIT_FOR_TICK_BEGIN, $signal;	4133	push @WAIT_FOR_TICK_BEGIN, $signal;
2678	$signal->wait;	4134	$signal->wait;
2679	}	4135	}
2680		4136
2681	$TICK_WATCHER = Event->timer (	4137	sub tick {
2682	reentrant => 0,
2683	parked => 1,
2684	prio => 0,
2685	at => $NEXT_TICK || $TICK,
2686	data => WF_AUTOCANCEL,
2687	cb => sub {
2688	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
2689	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2690	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
2691	return;	4141	return;
2692	}	4142	}
2693		4143
2694	$NOW = Event::time;	4144	cf::one_tick; # one server iteration
2695		4145
2696	cf::server_tick; # one server iteration	4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2697	$RUNTIME += $TICK;
2698	$NEXT_TICK += $TICK;
2699		4147
2700	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2701	$NEXT_RUNTIME_WRITE = $NOW + 10;	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2702	Coro::async_pool {	4150	Coro::async_pool {
		4151	$Coro::current->{desc} = "runtime saver";
2703	write_runtime	4152	write_runtime_sync
2704	or warn "ERROR: unable to write runtime file: $!";	4153	or error "ERROR: unable to write runtime file: $!";
2705	};
2706	}	4154	};
		4155	}
2707		4156
2708	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2709	$sig->send;	4158	$sig->send;
2710	}
2711	while (my $sig = shift @WAIT_FOR_TICK) {
2712	$sig->send;
2713	}
2714
2715	# my $AFTER = Event::time;
2716	# warn $AFTER - $NOW;#d#
2717
2718	# if we are delayed by four ticks or more, skip them all
2719	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2720
2721	$TICK_WATCHER->at ($NEXT_TICK);
2722	$TICK_WATCHER->start;
2723	},	4159	}
2724	);	4160	$WAIT_FOR_TICK->broadcast;
		4161
		4162	$LOAD = ($NOW - $TICK_START) / $TICK;
		4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4164
		4165	if (0) {
		4166	if ($NEXT_TICK) {
		4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
		4170	}
		4171	}
		4172	}
2725		4173
2726	{	4174	{
2727	BDB::max_poll_time $TICK * 0.1;	4175	# configure BDB
2728	$BDB_POLL_WATCHER = Event->io (	4176
2729	reentrant => 0,
2730	fd => BDB::poll_fileno,
2731	poll => 'r',
2732	prio => 0,
2733	data => WF_AUTOCANCEL,
2734	cb => \&BDB::poll_cb,
2735	);
2736	BDB::min_parallel 8;	4177	BDB::min_parallel 16;
2737		4178	BDB::max_poll_reqs $TICK * 0.1;
2738	BDB::set_sync_prepare {	4179	$AnyEvent::BDB::WATCHER->priority (1);
2739	my $status;
2740	my $current = $Coro::current;
2741	(
2742	sub {
2743	$status = $!;
2744	$current->ready; undef $current;
2745	},
2746	sub {
2747	Coro::schedule while defined $current;
2748	$! = $status;
2749	},
2750	)
2751	};
2752		4180
2753	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
2754	$DB_ENV = BDB::db_env_create;	4182	$DB_ENV = BDB::db_env_create;
		4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2755		4188
2756	cf::sync_job {	4189	cf::sync_job {
2757	eval {	4190	eval {
2758	BDB::db_env_open	4191	BDB::db_env_open
2759	$DB_ENV,	4192	$DB_ENV,
2760	$BDB_ENV_DIR,	4193	$BDBDIR,
2761	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2762	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2763	0666;	4196	0666;
2764		4197
2765	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2766
2767	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2768	$DB_ENV->set_lk_detect;
2769	};	4199	};
2770		4200
2771	cf::cleanup "db_env_open(db): $@" if $@;	4201	cf::cleanup "db_env_open(db): $@" if $@;
2772	};	4202	};
2773	}	4203	}
		4204
		4205	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4206	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4207	};
		4208	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4209	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4210	};
		4211	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4213	};
2774	}	4214	}
2775		4215
2776	{	4216	{
		4217	# configure IO::AIO
		4218
2777	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
2778
2779	undef $Coro::AIO::WATCHER;
2780	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
2781	$AIO_POLL_WATCHER = Event->io (	4221	undef $AnyEvent::AIO::WATCHER;
2782	reentrant => 0,
2783	data => WF_AUTOCANCEL,
2784	fd => IO::AIO::poll_fileno,
2785	poll => 'r',
2786	prio => 6,
2787	cb => \&IO::AIO::poll_cb,
2788	);
2789	}	4222	}
		4223
		4224	our $_log_backtrace;
		4225	our $_log_backtrace_last;
		4226
		4227	sub _log_backtrace {
		4228	my ($msg, @addr) = @_;
		4229
		4230	$msg =~ s/\n$//;
		4231
		4232	if ($_log_backtrace_last eq $msg) {
		4233	LOG llevInfo, "[ABT] $msg\n";
		4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4235	# limit the # of concurrent backtraces
		4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
		4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
		4240	async {
		4241	$Coro::current->{desc} = "abt $msg";
		4242
		4243	my @bt = fork_call {
		4244	@addr = map { sprintf "%x", $_ } @addr;
		4245	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4246	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4247	or die "addr2line: $!";
		4248
		4249	my @funcs;
		4250	my @res = <$fh>;
		4251	chomp for @res;
		4252	while (@res) {
		4253	my ($func, $line) = splice @res, 0, 2, ();
		4254	push @funcs, "[$func] $line";
		4255	}
		4256
		4257	@funcs
		4258	};
		4259
		4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4262	LOG llevInfo, "[ABT] $_\n" for @bt;
		4263	--$_log_backtrace;
		4264	};
		4265	} else {
		4266	LOG llevInfo, "[ABT] $msg\n";
		4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4268	}
		4269	}
		4270
		4271	# load additional modules
		4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
2790		4274
2791	END { cf::emergency_save }	4275	END { cf::emergency_save }
2792		4276
2793	1	4277	1
2794		4278

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