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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 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 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98
61	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	123	our $NEXT_TICK;
		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
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		143
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
87	binmode STDOUT;	160	binmode STDOUT;
88	binmode STDERR;	161	binmode STDERR;
89		162
90	# read virtual server time, if available	163	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
95	}	168	}
96		169
97	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
98	mkdir cf::localdir . "/" . cf::playerdir;	171
99	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
100	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		174
104	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
105		176
106	sub cf::map::normalise;	177	sub cf::map::normalise;
107		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
108	#############################################################################	183	#############################################################################
109		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
110	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
111		197
112	=over 4	198	=over 4
113		199
114	=item $cf::UPTIME	200	=item $cf::UPTIME
115		201
116	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.
117		218
118	=item $cf::RUNTIME	219	=item $cf::RUNTIME
119		220
120	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
121	every server tick.	222	every server tick.
122		223
123	=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
124		227
125	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		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
128	=item $cf::NOW	239	=item $cf::LOAD
129		240
130	The time of the last (current) server tick.	241	The raw value load value from the last tick.
131
132	=item $cf::TICK
133
134	The interval between server ticks, in seconds.
135		242
136	=item %cf::CFG	243	=item %cf::CFG
137		244
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	246	from wherever your confdir points to.
140		247
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		249
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
145	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
147		282
148	=back	283	=back
149		284
150	=cut	285	=cut
151		286
152	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
153	*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 {
154	my $msg = join "", @_;	294	my $msg = join "", @_;
155	utf8::encode $msg;
156		295
157	$msg .= "\n"	296	$msg .= "\n"
158	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
159		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
160	LOG llevError, $msg;	301	LOG llevWarn, $msg;
161	};	302	};
162	}	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	};
163		317
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		325
171	# 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
172	# within the Safe compartment.	327	# within the Safe compartment.
173	for my $pkg (qw(	328	for my $pkg (qw(
174	cf::global cf::attachable	329	cf::global cf::attachable
175	cf::object cf::object::player	330	cf::object cf::object::player
176	cf::client cf::player	331	cf::client cf::player
177	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
178	cf::map cf::party cf::region	334	cf::party cf::region
179	)) {	335	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	337	}
183		338
184	$Event::DIED = sub {	339	$EV::DIED = sub {
185	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
186	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
187		349
188	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
189		351
190	=over 4	352	=over 4
191		353
…		…
210	$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;
211	$d	373	$d
212	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
213	}	375	}
214		376
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
216		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
217	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
218		392
219	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
220		394
221	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
222		396
223	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
224		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
225	=item cf::lock_wait $string	468	=item cf::lock_wait $string
226		469
227	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
228		471
229	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
230		473
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
234	returned.	477	returned.
235		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
236	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
237	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
238		484
239	=cut	485	=item $locked = cf::lock_active $string
240		486
241	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;
242		492
243	sub lock_wait($) {	493	sub lock_wait($) {
244	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	495	}
252		496
253	sub lock_acquire($) {	497	sub lock_acquire($) {
254	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
255		500
256	# wait, to be sure we are not locked	501	sub lock_active($) {
257	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	503	}
266		504
267	sub freeze_mainloop {	505	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
269		507
270	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
271	$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	}
272	};	578	}
273	$TICK_WATCHER->stop;	579	};
274	$guard	580
		581	sub get_slot($;$$) {
		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;
275	}	594	}
276		595
277	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
278		597
279	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		603
285	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
286		605
287	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
288		607
289	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
290	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
291	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.
292		612
293	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
294	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
295	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
296	fast or be very important.	616	fast or be very important.
…		…
298	=cut	618	=cut
299		619
300	sub sync_job(&) {	620	sub sync_job(&) {
301	my ($job) = @_;	621	my ($job) = @_;
302		622
303	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
304	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
306		628
307	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	630
309	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
310		632
311	my $busy = 1;	633	my $busy = 1;
312	my @res;	634	my @res;
313		635
314	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	638	@res = eval { $job->() };
316	warn $@ if $@;	639	error $@ if $@;
317	undef $busy;	640	undef $busy;
318	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
319		642
320	while ($busy) {	643	while ($busy) {
321	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
322	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
323		654
324	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
325	} else {	656	} else {
326	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
327		658
…		…
347	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
348		679
349	$coro	680	$coro
350	}	681	}
351		682
352	sub write_runtime {	683	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		684
355	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.
356		689
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
358	or return;
359		691
360	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
362	# 60 allows for the watchdog to kill the server.	694	}
363		695
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
365	and return;	697	my ($cb, @args) = @_;
366		698
367	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
369	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
370		702
371	close $fh	703	my @res = Coro::Util::fork_eval {
372	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
373		707
374	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
375	and return;	709	}
376		710
		711	sub objinfo {
377	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"
378	}	875	}
379		876
380	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
381		878
382	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.
383		880
384	=cut	881	=cut
385		882
386	sub datalog($@) {	883	sub datalog($@) {
387	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	886	}
390		887
391	=back	888	=back
392		889
393	=cut	890	=cut
394		891
395	#############################################################################	892	#############################################################################
396		893
397	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
398		895
399	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
400	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")
401	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
402		899
403	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>
404	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
405	crossfire+).	902	Deliantra).
406		903
407	=over 4	904	=over 4
408		905
409	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
410		907
…		…
454	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
455		952
456	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
457	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
458		955
459	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		958
462	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
463		960
464	=over 4	961	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
574		1071
575	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1076
580	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
582		1079
583	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
588		1085
589	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1088
592	} elsif (ref $type) {	1089	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
594		1091
595	} else {	1092	} else {
596	shift @arg;	1093	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
598	}	1095	}
599	}	1096	}
600	}	1097	}
601		1098
602	sub _object_attach {	1099	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
613	}	1110	}
614		1111
615	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
616	} else {	1113	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1115	}
619		1116
620	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
621	}	1118	}
622		1119
…		…
624	if (ref $_[0]) {	1121	if (ref $_[0]) {
625	_object_attach @_;	1122	_object_attach @_;
626	} else {	1123	} else {
627	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
628	}	1125	}
		1126	_recalc_want;
629	};	1127	};
630		1128
631	# all those should be optimised	1129	# all those should be optimised
632	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1135	reattach ($obj);
638	} else {	1136	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
640	}	1138	}
		1139	_recalc_want;
641	};	1140	};
642		1141
643	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
645		1144
…		…
660	";	1159	";
661	die if $@;	1160	die if $@;
662	}	1161	}
663		1162
664	our $override;	1163	our $override;
665	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?
666		1165
667	sub override {	1166	sub override {
668	$override = 1;	1167	$override = 1;
669	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
670	}	1169	}
671		1170
672	sub do_invoke {	1171	sub do_invoke {
673	my $event = shift;	1172	my $event = shift;
674	my $callbacks = shift;	1173	my $callbacks = shift;
675		1174
676	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
677		1176
678	local $override;	1177	local $override;
679		1178
680	for (@$callbacks) {	1179	for (@$callbacks) {
681	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
682		1181
683	if ($@) {	1182	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1184	override;
687	}	1185	}
688		1186
689	return 1 if $override;	1187	return 1 if $override;
690	}	1188	}
691		1189
692	0	1190	0
693	}	1191	}
694		1192
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1194
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1196
699	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
700		1198
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1202
705	=back	1203	=back
706		1204
707	=cut	1205	=cut
708		1206
709	#############################################################################	1207	#############################################################################
710	# 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	}
711		1251
712	sub reattach {	1252	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1254	my ($obj) = @_;
715		1255
		1256	# no longer needed after getting rid of delete_package?
716	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
717		1258
718	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
719		1260
720	@$registry = ();	1261	@$registry = ();
721		1262
…		…
726	for (@$attach) {	1267	for (@$attach) {
727	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
729	}	1270	}
730	} else {	1271	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1273	}
733	}	1274	}
734	}	1275	}
735		1276
736	cf::attachable->attach (	1277	cf::attachable->attach (
737	prio => -1000000,	1278	prio => -1000000,
738	on_instantiate => sub {	1279	on_instantiate => sub {
739	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
740		1281
741	$data = from_json $data;	1282	$data = decode_json $data;
742		1283
743	for (@$data) {	1284	for (@$data) {
744	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
745		1286
746	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1303	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
764		1305
765	sync_job {	1306	sync_job {
766	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
769		1312
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	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	}
774	close $fh;	1320	aio_close $fh;
775		1321
776	if (@$objs) {	1322	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
781	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	}
782	close $fh;	1331	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
784	}	1333	}
785	} else {	1334	} else {
786	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
787	}	1336	}
788		1337
789	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1342	} else {
791	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
792	}	1344	}
793	} else {	1345	} else {
794	aio_unlink $filename;	1346	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
796	}	1348	}
797	}	1349	};
798	}	1350	}
799		1351
800	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
802		1354
…		…
814	or return;	1366	or return;
815		1367
816	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
818	or return;	1370	or return;
		1371
819	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
820	}	1374	}
821		1375
		1376	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
824	return ($data, $av);	1381	($data, $av)
825	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
826		1389
827	#############################################################################	1390	#############################################################################
828	# command handling &c	1391	# command handling &c
829		1392
830	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1407	}
845		1408
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1410
848	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.
849		1416
850	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
851	called.	1418	called.
852		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
853	=cut	1431	=cut
854		1432
855	sub register_extcmd {	1433	sub register_extcmd {
856	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
857		1435
858	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
859	}	1437	}
860		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
861	cf::player->attach (	1447	cf::player->attach (
862	on_command => sub {	1448	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
864		1450
865	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
866	or return;	1452	or return;
867		1453
…		…
872	cf::override;	1458	cf::override;
873	},	1459	},
874	on_extcmd => sub {	1460	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
876		1462
877	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1464
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
885	} else {	1480	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1482	}
888		1483
889	cf::override;	1484	cf::override;
890	},	1485	},
891	);	1486	);
892		1487
		1488	# "readahead" all extensions
893	sub load_extension {	1489	sub cache_extensions {
894	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
895		1491
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1495	}
921	die $@;
922	}	1496	};
923		1497
924	push @EXTS, $pkg;	1498	$grp
925	}	1499	}
926		1500
927	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
928	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1508	next unless -r $path;
930	eval {	1509
931	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	}
932	1	1573	}
933	} 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	}
934	}	1586	};
935	}	1587	}
936		1588
937	#############################################################################	1589	#############################################################################
938		1590
		1591	=back
		1592
939	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
940		1594
941	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
942		1596
943	=cut	1597	=cut
944		1598
945	package cf::player;	1599	package cf::player;
946		1600
…		…
948		1602
949	=head3 cf::player	1603	=head3 cf::player
950		1604
951	=over 4	1605	=over 4
952		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
953	=item cf::player::find $login	1621	=item cf::player::find $login
954		1622
955	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
956		1624
957	=cut	1625	=cut
958		1626
959	sub playerdir($) {	1627	sub playerdir($) {
960	cf::localdir	1628	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1630	}
966		1631
967	sub path($) {	1632	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1643
979	sub exists($) {	1644	sub exists($) {
980	my ($login) = @_;	1645	my ($login) = @_;
981		1646
982	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
984	}	1649	}
985		1650
986	sub find($) {	1651	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1653	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
999		1664
1000	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1003	}	1674	}
1004	}	1675	}
1005	}	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	);
1006		1690
1007	sub save($) {	1691	sub save($) {
1008	my ($pl) = @_;	1692	my ($pl) = @_;
1009		1693
1010	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1016		1700
1017	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1019		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
1020	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1021	Coro::cede;	1710	cf::cede_to_tick;
1022	}	1711	}
1023		1712
1024	sub new($) {	1713	sub new($) {
1025	my ($login) = @_;	1714	my ($login) = @_;
1026		1715
…		…
1032	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1033		1722
1034	$self	1723	$self
1035	}	1724	}
1036		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
1037	=item $pl->quit_character	1736	=item $pl->quit_character
1038		1737
1039	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
1040	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1041		1740
…		…
1045	my ($pl) = @_;	1744	my ($pl) = @_;
1046		1745
1047	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1048		1747
1049	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1050	$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
1051		1750
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1055	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1056		1759
1057	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1089		1792
1090	=cut	1793	=cut
1091		1794
1092	sub list_logins {	1795	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1797	or return [];
1095		1798
1096	my @logins;	1799	my @logins;
1097		1800
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1102		1811
1103	utf8::decode $login;	1812	utf8::decode $login;
1104	push @logins, $login;	1813	push @logins, $login;
1105	}	1814	}
1106		1815
1107	\@logins	1816	\@logins
1108	}	1817	}
1109		1818
1110	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1111		1822
1112	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1113	player. May block.	1824	player. May block.
1114		1825
1115	=cut	1826	=cut
…		…
1133	}	1844	}
1134		1845
1135	\@paths	1846	\@paths
1136	}	1847	}
1137		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1138	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1139		1854
1140	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1141		1856
1142	=cut	1857	=cut
1143		1858
1144	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1146		1861
1147	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1863	}
1151		1864
1152	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1153		1866
1154	Sends an ext event to the client.	1867	Sends an ext event to the client.
1155		1868
1156	=cut	1869	=cut
1157		1870
1158	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1160		1873
1161	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1162	}	1875	}
1163		1876
1164	=head3 cf::region	1877	=head3 cf::region
1165		1878
1166	=over 4	1879	=over 4
…		…
1169		1882
1170	package cf::region;	1883	package cf::region;
1171		1884
1172	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1173		1886
1174	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.
1175		1888
1176	=cut	1889	=cut
1177		1890
1178	sub find_by_path($) {	1891	sub find_by_path($) {
1179	my ($path) = @_;	1892	my ($path) = @_;
1180		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1181	my ($match, $specificity);	1896	my ($match, $specificity);
1182		1897
1183	for my $region (list) {	1898	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1187	}	1902	}
1188	}	1903	}
1189		1904
…		…
1210	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1212		1927
1213	sub generate_random_map {	1928	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1215	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1216	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1228	)
1229	}	1934	}
1230		1935
1231	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1232		1937
1233	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
…		…
1238		1943
1239	sub register {	1944	sub register {
1240	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1946	my $pkg = caller;
1242		1947
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1949
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1951	}
1248		1952
1249	# also paths starting with '/'	1953	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1955
1252	sub thawer_merge {	1956	sub thawer_merge {
1253	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1254		1958
1255	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1256	local $self->{path};	1960	local $self->{path};
1257	local $self->{load_path};	1961	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1962
1261	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1262	}	1964	}
1263		1965
1264	sub normalise {	1966	sub normalise {
1265	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1266		1968
1267	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1268		1970
1269	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1270		1972
1271	# map plan:	1973	# map plan:
1272	#	1974	#
…		…
1287	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	1990	$path = "$base/$path";
1289	}	1991	}
1290		1992
1291	for ($path) {	1993	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1295	}	1996	}
1296		1997
1297	$path	1998	$path
…		…
1311	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1312	return $self;	2013	return $self;
1313	}	2014	}
1314	}	2015	}
1315		2016
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	2018	()
1318	}	2019	}
1319		2020
		2021	# may re-bless or do other evil things
1320	sub init {	2022	sub init {
1321	my ($self) = @_;	2023	my ($self) = @_;
1322		2024
1323	$self	2025	$self
1324	}	2026	}
…		…
1336		2038
1337	# the original (read-only) location	2039	# the original (read-only) location
1338	sub load_path {	2040	sub load_path {
1339	my ($self) = @_;	2041	my ($self) = @_;
1340		2042
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1342	}	2044	}
1343		2045
1344	# the temporary/swap location	2046	# the temporary/swap location
1345	sub save_path {	2047	sub save_path {
1346	my ($self) = @_;	2048	my ($self) = @_;
1347		2049
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1350	}	2052	}
1351		2053
1352	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1353	sub uniq_path {	2055	sub uniq_path {
1354	my ($self) = @_;	2056	my ($self) = @_;
1355		2057
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1358	}	2060	}
1359		2061
1360	# and all this just because we cannot iterate over	2062	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	2063	my ($self) = @_;
1364		2064
1365	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1367	}	2068	}
1368		2069
1369	sub unlink_save {	2070	sub unlink_save {
1370	my ($self) = @_;	2071	my ($self) = @_;
1371		2072
…		…
1376		2077
1377	sub load_header_from($) {	2078	sub load_header_from($) {
1378	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1379		2080
1380	utf8::encode $path;	2081	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2083	or return;
1386		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1387	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1388		2092
1389	1	2093	1
1390	}	2094	}
1391		2095
		2096	# used to laod the header of an original map
1392	sub load_header_orig {	2097	sub load_header_orig {
1393	my ($self) = @_;	2098	my ($self) = @_;
1394		2099
1395	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1396	}	2101	}
1397		2102
		2103	# used to laod the header of an instantiated map
1398	sub load_header_temp {	2104	sub load_header_temp {
1399	my ($self) = @_;	2105	my ($self) = @_;
1400		2106
1401	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1402	}	2108	}
1403		2109
		2110	# called after loading the header from an instantiated map
1404	sub prepare_temp {	2111	sub prepare_temp {
1405	my ($self) = @_;	2112	my ($self) = @_;
1406		2113
1407	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1408	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1409	# safety	2116	# safety
1410	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1411	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1412	}	2119	}
1413		2120
		2121	# called after loading the header from an original map
1414	sub prepare_orig {	2122	sub prepare_orig {
1415	my ($self) = @_;	2123	my ($self) = @_;
1416		2124
1417	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1418	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1429	$self->load_header_orig	2137	$self->load_header_orig
1430	or return;	2138	or return;
1431	$self->prepare_orig;	2139	$self->prepare_orig;
1432	}	2140	}
1433		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1434	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2146	unless $self->default_region;
1436		2147
1437	1	2148	1
1438	}	2149	}
1439		2150
1440	sub find;	2151	sub find;
1441	sub find {	2152	sub find {
1442	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1443		2154
		2155	cf::cede_to_tick;
		2156
1444	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1445		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2161
1448	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1451	or return;	2164	or return;
1452		2165
1453	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1454		2167
1455	$map->load_header	2168	$map->load_header
1456	or return;	2169	or return;
1457		2170
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1461	$map->reset;	2176	$map->reset;
1462	undef $guard;
1463	return find $path;	2177	return find $path;
1464	}	2178	}
1465		2179
1466	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1467	}	2181	}
1468	}	2182	}
1469		2183
1470	sub pre_load { }	2184	sub pre_load { }
1471	sub post_load { }	2185	#sub post_load { } # XS
1472		2186
1473	sub load {	2187	sub load {
1474	my ($self) = @_;	2188	my ($self) = @_;
1475		2189
1476	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1477		2191
1478	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1480		2196
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1482		2199
1483	$self->in_memory (cf::MAP_LOADING);
1484
1485	$self->alloc;	2200	$self->alloc;
1486		2201
1487	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1488		2204
1489	$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)
1490	or return;	2209	or return;
1491		2210
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1493	if delete $self->{load_original};	2212	if delete $self->{load_original};
1494		2213
1495	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	2215	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	2218	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1500	}	2223	}
1501	}
1502		2224
1503	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1504		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1505	# now do the right thing for maps	2234	# now do the right thing for maps
1506	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	2237	unless $self->difficulty;
1516	Coro::cede;	2238	cf::cede_to_tick;
1517	$self->activate;	2239
		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);
1518	}	2251	}
1519		2252
1520	$self->post_load;	2253	$self->post_load;
1521		2254
1522	$self->in_memory (cf::MAP_IN_MEMORY);	2255	1
1523	}	2256	}
1524		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
1525	sub customise_for {	2261	sub customise_for {
1526	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1527		2263
1528	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2265	if $self->per_player;
1530		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1531	$self	2270	$self
1532	}	2271	}
1533		2272
1534	# 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
1535	sub load_diag {	2274	sub load_neighbours {
1536	my ($map) = @_;	2275	my ($map) = @_;
1537		2276
1538	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1539		2278
1540	for (0 .. 3) {	2279	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1542	or next;	2281	or next;
1543	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1544	or next;	2283	or next;
1545	$neigh->load;	2284	$neigh->load;
1546		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}	2290	}
1550		2291
1551	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1552	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1553	or next;	2295	or next;
1554	$neigh->load;	2296	$neigh->load;
1555	}	2297	}
1556	}	2298	}
1557		2299
1558	sub find_sync {	2300	sub find_sync {
1559	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1560		2302
1561	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
1562	}	2308	}
1563		2309
1564	sub do_load_sync {	2310	sub do_load_sync {
1565	my ($map) = @_;	2311	my ($map) = @_;
1566		2312
1567	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;
1568	}	2318	}
1569		2319
1570	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1572		2322
1573	sub find_async {	2323	sub find_async {
1574	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1575		2325
1576	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1577		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
1578	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
1580	}	2332	}
1581		2333
1582	undef $MAP_PREFETCH{$path};	2334	$MAP_PREFETCH{$path} |= $load;
		2335
1583	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
		2337	$Coro::current->{desc} = "map prefetcher";
		2338
1584	while (%MAP_PREFETCH) {	2339	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2340	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2341	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2342	$map->load if $v;
		2343	}
1589		2344
1590	delete $MAP_PREFETCH{$path};	2345	delete $MAP_PREFETCH{$k};
1591	}	2346	}
1592	}	2347	}
1593	undef $MAP_PREFETCHER;	2348	undef $MAP_PREFETCHER;
1594	};	2349	};
1595	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
1596		2351
1597	()	2352	()
1598	}	2353	}
1599		2354
		2355	# common code, used by both ->save and ->swapout
1600	sub save {	2356	sub _save {
1601	my ($self) = @_;	2357	my ($self) = @_;
1602
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
1604		2358
1605	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
1606		2360
1607	return unless $self->dirty;	2361	return unless $self->dirty;
1608		2362
…		…
1614	return if $self->{deny_save};	2368	return if $self->{deny_save};
1615		2369
1616	local $self->{last_access} = $self->last_access;#d#	2370	local $self->{last_access} = $self->last_access;#d#
1617		2371
1618	cf::async {	2372	cf::async {
		2373	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
1620	};	2375	};
		2376
		2377	cf::get_slot 0.02;
1621		2378
1622	if ($uniq) {	2379	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1625	} else {	2382	} else {
1626	$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);
1627	}	2384	}
1628	}	2385	}
1629		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
1630	sub swap_out {	2395	sub swap_out {
1631	my ($self) = @_;	2396	my ($self) = @_;
1632		2397
1633	# save first because save cedes
1634	$self->save;
1635
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
1638	return if $self->players;	2402	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1640	return if $self->{deny_save};
1641		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
1642	$self->clear;	2413	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2414	}
1645		2415
1646	sub reset_at {	2416	sub reset_at {
1647	my ($self) = @_;	2417	my ($self) = @_;
1648		2418
1649	# TODO: safety, remove and allow resettable per-player maps	2419	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2420	return 1e99 if $self->{deny_reset};
1652		2421
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	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;
1655		2424
…		…
1666	my ($self) = @_;	2435	my ($self) = @_;
1667		2436
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2438
1670	return if $self->players;	2439	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2440
1673	warn "resetting map ", $self->path;#d#	2441	cf::trace "resetting map ", $self->path, "\n";
1674		2442
1675	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
1676		2444
1677	# need to save uniques path	2445	# need to save uniques path
1678	unless ($self->{deny_save}) {	2446	unless ($self->{deny_save}) {
1679	my $uniq = $self->uniq_path; utf8::encode $uniq;	2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
1680		2448
…		…
1682	if $uniq;	2450	if $uniq;
1683	}	2451	}
1684		2452
1685	delete $cf::MAP{$self->path};	2453	delete $cf::MAP{$self->path};
1686		2454
		2455	$self->deactivate;
		2456	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2457	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2458
1691	$self->unlink_save;	2459	$self->unlink_save;
1692	$self->destroy;	2460	$self->destroy;
1693	}	2461	}
1694		2462
1695	my $nuke_counter = "aaaa";	2463	my $nuke_counter = "aaaa";
1696		2464
1697	sub nuke {	2465	sub nuke {
1698	my ($self) = @_;	2466	my ($self) = @_;
1699		2467
		2468	{
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
1700	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
1701		2472
1702	$self->unlink_save;	2473	$self->unlink_save;
1703		2474
1704	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
1705	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2480
1710	$cf::MAP{$self->path} = $self;	2481	$cf::MAP{$self->path} = $self;
		2482	}
1711		2483
1712	$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	]
1713	}	2521	}
1714		2522
1715	=item cf::map::unique_maps	2523	=item cf::map::unique_maps
1716		2524
1717	Returns an arrayref of paths of all shared maps that have	2525	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2526	instantiated unique items. May block.
1719		2527
1720	=cut	2528	=cut
1721		2529
1722	sub unique_maps() {	2530	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2531	[
1724	or return;	2532	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2533	utf8::decode $_;
1730	next if /\.pst$/;	2534	s/\.map$//; # TODO future compatibility hack
1731	next unless /^$PATH_SEP/o;	2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1732		2536	? ()
1733	push @paths, cf::map::normalise $_;	2537	: normalise $_
		2538	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2539	]
1735
1736	\@paths
1737	}	2540	}
1738		2541
1739	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	}
1740		2573
1741	=back	2574	=back
1742		2575
1743	=head3 cf::object	2576	=head3 cf::object
1744		2577
…		…
1748		2581
1749	=over 4	2582	=over 4
1750		2583
1751	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
1752		2585
1753	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.
1754		2588
1755	=cut	2589	=cut
1756		2590
1757	sub inv_recursive_;	2591	sub inv_recursive_;
1758	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
1761		2595
1762	sub inv_recursive {	2596	sub inv_recursive {
1763	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
1764	}	2598	}
1765		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
1766	package cf;	2628	package cf;
1767		2629
1768	=back	2630	=back
1769		2631
1770	=head3 cf::object::player	2632	=head3 cf::object::player
…		…
1776	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>
1777	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
1778	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
1779		2641
1780	=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	};
1781		2657
1782	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
1783	# with dialog boxes.	2659	# with dialog boxes.
1784	#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
1785	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
…		…
1787		2663
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2664	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2665
1790	if ($self->{record_replies}) {	2666	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2667	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2668
1792	} 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 {
1793	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2679	}
1795	}	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 (@_);
1796	}	2691	}
1797		2692
1798	=item $player_object->may ("access")	2693	=item $player_object->may ("access")
1799		2694
1800	Returns wether the given player is authorized to access resource "access"	2695	Returns wether the given player is authorized to access resource "access"
…		…
1813		2708
1814	=item $player_object->enter_link	2709	=item $player_object->enter_link
1815		2710
1816	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}>).
1817		2712
1818	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.
1819	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.
1820		2717
1821	Will never block.	2718	Will never block.
1822		2719
1823	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
1824		2721
…		…
1844	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
1845	my ($self) = @_;	2742	my ($self) = @_;
1846		2743
1847	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
1848		2745
		2746	++$self->{_link_recursion};
		2747
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2749
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2751	if $self->map && $self->map->{path} ne "{link}";
1853		2752
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1855	}	2754	}
1856		2755
1857	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
		2758
		2759	return unless $self->contr->active;
1859		2760
1860	my $link_pos = delete $self->{_link_pos};	2761	my $link_pos = delete $self->{_link_pos};
1861		2762
1862	unless ($map) {	2763	unless ($map) {
1863	# restore original map position	2764	# restore original map position
…		…
1874	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
1875	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
1876		2777
1877	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
1880		2781
1881	$map->load;	2782	$map->load;
1882	$map->load_diag;	2783	$map->load_neighbours;
1883		2784
1884	return unless $self->contr->active;	2785	return unless $self->contr->active;
1885	$self->activate_recursive;
1886		2786
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
1889	}	2789	# entering was successful
1890		2790	delete $self->{_link_recursion};
1891	cf::player->attach (	2791	# only activate afterwards, to support waiting in hooks
1892	on_logout => sub {	2792	$self->activate_recursive;
1893	my ($pl) = @_;
1894
1895	# abort map switching before logout
1896	if ($pl->ob->{_link_pos}) {
1897	cf::sync_job {
1898	$pl->ob->leave_link
1899	};
1900	}
1901	},	2793	}
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2794
1905	# try to abort aborted map switching on player login :)	2795	}
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922		2796
1923	=item $player_object->goto ($path, $x, $y)	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1924		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
1925	=cut	2808	=cut
		2809
		2810	our $GOTOGEN;
1926		2811
1927	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
1928	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;
1929		2823
1930	$self->enter_link;	2824	$self->enter_link;
1931		2825
1932	(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
1933	my $map = eval {	2848	my $map = eval {
1934	my $map = cf::map::find $path;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2850
		2851	if ($map) {
1935	$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
1936	$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 $@;
1937	} or	2864	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2865
		2866	if ($gen == $self->{_goto_generation}) {
		2867	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
		2869	}
		2870
		2871	$done->($self) if $done;
1941	})->prio (1);	2872	})->prio (1);
1942	}	2873	}
1943		2874
1944	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
1945		2876
…		…
1965	}	2896	}
1966		2897
1967	sub prepare_random_map {	2898	sub prepare_random_map {
1968	my ($exit) = @_;	2899	my ($exit) = @_;
1969		2900
1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1971
1972	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
1973	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
1974	# that depends on the exit object	2903	# that depends on the exit object
1975		2904
1976	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
1978	if ($exit->map) {	2907	if ($exit->map) {
1979	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
1980	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
1981	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
1982	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
1983	}	2914	}
1984		2915
1985	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
1986		2917
1987	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1988	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
1990		2921
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2924	undef $fh;
1994	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
1995		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
1996	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
1997	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
1998	}	2933	}
1999	}	2934	}
2000		2935
2001	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2002	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2003		2938
2004	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2005		2940
2006	if ($exit->slaying eq "/!") {
2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
2008	# the problem is that $exit might not survive long enough
2009	# so it needs to be done right now, right here
2010	cf::sync_job { prepare_random_map $exit };
2011	}
2012
2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;
2016
2017	$self->enter_link;	2941	$self->enter_link;
2018		2942
2019	(async {	2943	(async {
2020	$self->deactivate_recursive; # just to be sure	2944	$Coro::current->{desc} = "enter_exit";
		2945
2021	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
2022	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2023		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
2024	1;	2982	1
2025	}) {	2983	}) {
2026	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2027	. "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. "
2028	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2029	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2030		2988
2031	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2032	$self->leave_link;	2990	$self->leave_link;
2033	}	2991	}
2034	})->prio (1);	2992	})->prio (1);
2035	}	2993	}
2036		2994
…		…
2050		3008
2051	utf8::encode $text;	3009	utf8::encode $text;
2052	$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);
2053	}	3011	}
2054		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
2055	=item $client->ext_event ($type, %msg)	3200	=item $client->ext_msg ($type, @msg)
2056		3201
2057	Sends an exti event to the client.	3202	Sends an ext event to the client.
2058		3203
2059	=cut	3204	=cut
2060		3205
2061	sub cf::client::ext_event($$%) {	3206	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	3207	my ($self, $type, @msg) = @_;
2063		3208
		3209	if ($self->extcmd == 2) {
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3211	} elsif ($self->extcmd == 1) { # TODO: remove
2064	$msg{msgtype} = "event_$type";	3212	push @msg, msgtype => "event_$type";
2065	$self->send_packet ("ext " . cf::to_json \%msg);	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3214	}
		3215	}
		3216
		3217	=item $client->ext_reply ($msgid, @msg)
		3218
		3219	Sends an ext reply to the client.
		3220
		3221	=cut
		3222
		3223	sub cf::client::ext_reply($$@) {
		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	}
2066	}	3233	}
2067		3234
2068	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2069		3236
2070	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
2071	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>,
2072	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>.
2073		3240
2074	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
2075	reliable at some point in the future.	3242	become reliable at some point in the future.
2076		3243
2077	=cut	3244	=cut
2078		3245
2079	sub cf::client::query {	3246	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	3255	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		3257
2091	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
2093	}	3262	}
2094		3263
2095	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
2096	on_reply => sub {	3270	on_reply => sub {
2097	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2098		3272
2099	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2100	# get handled first	3274	# get handled first
…		…
2112	} else {	3286	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	3288	}
2115	}	3289	}
2116	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($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	},
2117	);	3317	);
2118		3318
2119	=item $client->async (\&cb)	3319	=item $client->async (\&cb)
2120		3320
2121	Create a new coroutine, running the specified callback. The coroutine will	3321	Create a new coroutine, running the specified callback. The coroutine will
…		…
2137		3337
2138	$coro	3338	$coro
2139	}	3339	}
2140		3340
2141	cf::client->attach (	3341	cf::client->attach (
2142	on_destroy => sub {	3342	on_client_destroy => sub {
2143	my ($ns) = @_;	3343	my ($ns) = @_;
2144		3344
2145	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2146	},	3346	},
2147	);	3347	);
…		…
2162	our $safe = new Safe "safe";	3362	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2164		3364
2165	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2166		3366
2167	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3367	$safe->permit_only (Opcode::opset qw(
		3368	:base_core :base_mem :base_orig :base_math :base_loop
		3369	grepstart grepwhile mapstart mapwhile
		3370	sort time
		3371	));
2168		3372
2169	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
2170		3374
2171	=pod	3375	=pod
2172		3376
2173	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2174		3378
2175	cf::object contr pay_amount pay_player map	3379	cf::object
		3380	contr pay_amount pay_player map x y force_find force_add destroy
		3381	insert remove name archname title slaying race decrease split
		3382	value
		3383
2176	cf::object::player player	3384	cf::object::player
2177	cf::player peaceful	3385	player
2178	cf::map trigger	3386
		3387	cf::player
		3388	peaceful
		3389
		3390	cf::map
		3391	trigger
2179		3392
2180	=cut	3393	=cut
2181		3394
2182	for (	3395	for (
2183	["cf::object" => qw(contr pay_amount pay_player map)],	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3397	insert remove inv nrof name archname title slaying race
		3398	decrease split destroy change_exp value msg lore send_msg)],
2184	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2186	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2187	) {	3402	) {
2188	no strict 'refs';
2189	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2191	for @funs;	3405	for @funs;
2192	}	3406	}
2193		3407
…		…
2208		3422
2209	my $qcode = $code;	3423	my $qcode = $code;
2210	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2211	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2212		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2213	local $_;	3430	local $_;
2214	local @safe::cf::_safe_eval_args = values %vars;
2215		3431
2216	my $eval =	3432	my $eval =
2217	"do {\n"	3433	"do {\n"
2218	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2219	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2220	. $code	3436	. $code
2221	. "\n}"	3437	. "\n}"
2222	;	3438	;
2223		3439
		3440	if ($CFG{safe_eval}) {
2224	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
2225	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2226	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
2227		3449
2228	if ($@) {	3450	if ($@) {
2229	warn "$@";	3451	warn "$@",
2230	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
2231	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
2232	}	3454	}
2233		3455
2234	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
2235	}	3457	}
2236		3458
…		…
2250	=cut	3472	=cut
2251		3473
2252	sub register_script_function {	3474	sub register_script_function {
2253	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
2254		3476
2255	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
2256	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
2257	}	3479	}
2258		3480
2259	=back	3481	=back
2260		3482
2261	=cut	3483	=cut
2262
2263	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334		3484
2335	#############################################################################	3485	#############################################################################
2336	# the server's init and main functions	3486	# the server's init and main functions
2337		3487
2338	sub load_facedata {	3488	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	3489	my ($path) = @_;
2340		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
2341	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
2342		3498
2343	my $facedata;	3499	my $facedata = decode_storable load_file $path;
2344	0 < aio_load $path, $facedata
2345	or die "$path: $!";
2346
2347	$facedata = Coro::Storable::thaw $facedata;
2348		3500
2349	$facedata->{version} == 2	3501	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		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
2352	{	3513	{
2353	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
2354		3515
2355	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3518
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3519	cf::face::set_visibility $idx, $info->{visibility};
		3520	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2360	Coro::cede;	3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3524
		3525	cf::cede_to_tick;
2361	}	3526	}
2362		3527
2363	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3529	next unless $info->{smooth};
		3530
2365	my $idx = cf::face::find $face	3531	my $idx = cf::face::find $face
2366	or next;	3532	or next;
		3533
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
		3535	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3537	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3539	}
2372	Coro::cede;	3540
		3541	cf::cede_to_tick;
2373	}	3542	}
2374	}	3543	}
2375		3544
2376	{	3545	{
2377	my $anims = $facedata->{animinfo};	3546	my $anims = $facedata->{animinfo};
2378		3547
2379	while (my ($anim, $info) = each %$anims) {	3548	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3549	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3550	cf::cede_to_tick;
2382	}	3551	}
2383		3552
2384	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
2385	}	3554	}
2386		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} = $info; # unused
		3567	}
		3568
		3569	cf::cede_to_tick;
		3570	}
		3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3574
2387	1	3575	1
2388	}	3576	}
2389		3577
		3578	register_exticmd fx_want => sub {
		3579	my ($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
		3615	sub reload_archetypes {
		3616	load_resource_file "$DATADIR/archetypes"
		3617	or die "unable to load archetypes\n";
		3618	}
		3619
		3620	sub reload_treasures {
		3621	load_resource_file "$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	}
		3643	}
		3644
2390	sub reload_resources {	3645	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3646	trace "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3647
		3648	reload_exp_table;
		3649	reload_materials;
2393	load_facedata	3650	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3651	reload_sound;
2395	}	3652	reload_archetypes;
2396
2397	sub init {
2398	reload_resources;	3653	reload_regions;
2399	}	3654	reload_treasures;
2400		3655
2401	sub cfg_load {	3656	trace "finished reloading resource files\n";
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3657	}
2403	or return;
2404		3658
2405	local $/;	3659	sub reload_config {
2406	*CFG = YAML::Syck::Load <$fh>;	3660	trace "reloading config file...\n";
2407		3661
		3662	my $config = load_file "$CONFDIR/config";
		3663	utf8::decode $config;
		3664	*CFG = decode_yaml $config;
		3665
2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2409		3667
2410	$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};
2411	$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};
2412		3670
2413	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
2417	};	3675	};
2418	warn $@ if $@;	3676	warn $@ if $@;
2419	}	3677	}
2420	}	3678	}
2421		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
2422	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
2423	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
2425	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#
2426	(async {	3721	(async {
2427	Event::one_event;	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3723	EV::loop EV::LOOP_ONESHOT;
2428	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
2429	};	3725	};
2430		3726
2431	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;
2432	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
2433	load_extensions;	3750	load_extensions;
2434		3751
2435	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
2436	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;
2437	}	3770	}
2438		3771
2439	#############################################################################	3772	#############################################################################
2440	# initialisation and cleanup	3773	# initialisation and cleanup
2441		3774
2442	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
2443	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
2444	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
2445	Event->signal (	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2446	reentrant => 0,
2447	data => WF_AUTOCANCEL,
2448	signal => $signal,
2449	prio => 0,
2450	cb => sub {
2451	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
2452	},
2453	);	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
2454	}	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 };
2455	}	3871	}
2456		3872
2457	sub emergency_save() {	3873	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
2459		3875
2460	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;
2461		3882
2462	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
2463	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
2464	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
2465	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
2467	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3892	$pl->valid or next;
		3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3894	$pl->save;
2471	}	3895	}
2472	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
2473		3897
2474	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";
2475	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
2476	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
2477	$map->valid or next;	3903	$map->valid or next;
2478	$map->save;	3904	$map->save;
2479	}	3905	}
2480	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
2481		3907
2482	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";
2483	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
2484	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 $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
2485	};	3936	};
2486		3937
2487	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
2488	}	3939	}
2489		3940
2490	sub post_cleanup {	3941	sub post_cleanup {
2491	my ($make_core) = @_;	3942	my ($make_core) = @_;
2492		3943
		3944	IO::AIO::flush;
		3945
2493	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	3947	if $make_core;
2495	}
2496		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
2497	sub reload() {	3978	sub do_reload_perl() {
2498	# can/must only be called in main	3979	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
2500	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
2501	return;	3982	return;
2502	}	3983	}
2503		3984
2504	warn "reloading...";	3985	return if $RELOAD++;
2505		3986
2506	warn "entering sync_job";	3987	my $t1 = AE::time;
2507		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
2508	cf::sync_job {	3995	cf::sync_job {
2509	cf::write_runtime; # external watchdog should not bark
2510	cf::emergency_save;	3996	#cf::emergency_save;
2511	cf::write_runtime; # external watchdog should not bark
2512		3997
2513	warn "syncing database to disk";
2514	BDB::db_env_txn_checkpoint $DB_ENV;
2515
2516	# if anything goes wrong in here, we should simply crash as we already saved
2517
2518	warn "cancelling all WF_AUTOCANCEL watchers";
2519	for (Event::all_watchers) {
2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2521	}
2522
2523	warn "flushing outstanding aio requests";
2524	for (;;) {
2525	BDB::flush;
2526	IO::AIO::flush;
2527	Coro::cede;
2528	last unless IO::AIO::nreqs || BDB::nreqs;
2529	warn "iterate...";
2530	}
2531
2532	++$RELOAD;
2533
2534	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
2535	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
2536	%EXT_CORO = ();	4000	%EXT_CORO = ();
2537		4001
2538	warn "removing commands";	4002	trace "perl_reload: removing commands";
2539	%COMMAND = ();	4003	%COMMAND = ();
2540		4004
2541	warn "removing ext commands";	4005	trace "perl_reload: removing ext/exti commands";
2542	%EXTCMD = ();	4006	%EXTCMD = ();
		4007	%EXTICMD = ();
2543		4008
2544	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
2547		4012
2548	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
2549	eval {	4014	eval {
2550	$cb->($pkg);	4015	$cb->($pkg);
2551	1	4016	1
2552	} 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;
2553	}	4022	}
2554		4023
2555	warn "... nuking $pkg";
2556	Symbol::delete_package $pkg;
2557	}
2558
2559	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2560	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2562		4027
2563	warn "... unloading $k";	4028	trace "... unloading $k";
2564	delete $INC{$k};	4029	delete $INC{$k};
2565		4030
2566	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
2567	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
2568		4033
2569	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
2570	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
2571	}	4039	}
2572		4040
2573	Symbol::delete_package $k;
2574	}
2575
2576	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
2577	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
2578	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);
2579		4044
2580	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
		4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2582		4048
2583	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
2584	# and global variables created in xs	4050	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
2586		4052
2587	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
2588		4054
2589	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
2590	require cf;	4056	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
2592		4058
2593	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
2594	cf::cfg_load;	4060	cf::reload_config;
2595		4061
2596	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
2597	cf::load_extensions;	4063	cf::load_extensions;
2598		4064
		4065	if ($REATTACH_ON_RELOAD) {
2599	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
2600	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
2601	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
2602	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
2605		4073
2606	warn "loading reloadable resources";	4074	cf::_post_init 1;
2607	reload_resources;
2608		4075
2609	warn "leaving sync_job";	4076	trace "perl_reload: leaving sync_job";
2610		4077
2611	1	4078	1
2612	} or do {	4079	} or do {
2613	warn $@;	4080	error $@;
2614	warn "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
2615	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	};
2616	};	4104	};
2617		4105	}
2618	warn "reloaded";
2619	};
2620
2621	our $RELOAD_WATCHER; # used only during reload
2622		4106
2623	register_command "reload" => sub {	4107	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
2625		4109
2626	if ($who->flag (FLAG_WIZ)) {	4110	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	4111	$who->message ("reloading server.");
2628		4112	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	4113	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	4114	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	4115	};
2641	}	4116	}
2642	};	4117	};
2643		4118
2644	unshift @INC, $LIBDIR;	4119	#############################################################################
2645		4120
2646	my $bug_warning = 0;	4121	my $bug_warning = 0;
2647		4122
2648	$TICK_WATCHER = Event->timer (	4123	sub wait_for_tick() {
2649	reentrant => 0,	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2650	parked => 1,	4125
2651	prio => 0,	4126	$WAIT_FOR_TICK->wait;
2652	at => $NEXT_TICK || $TICK,	4127	}
2653	data => WF_AUTOCANCEL,	4128
2654	cb => sub {	4129	sub wait_for_tick_begin() {
		4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4131
		4132	my $signal = new Coro::Signal;
		4133	push @WAIT_FOR_TICK_BEGIN, $signal;
		4134	$signal->wait;
		4135	}
		4136
		4137	sub tick {
2655	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
2656	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"
2657	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
2658	return;	4141	return;
2659	}	4142	}
2660		4143
2661	$NOW = Event::time;	4144	cf::one_tick; # one server iteration
2662		4145
2663	cf::server_tick; # one server iteration	4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2664	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;
2666		4147
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669	Coro::async_pool {	4150	Coro::async_pool {
		4151	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	4152	write_runtime_sync
2671	or warn "ERROR: unable to write runtime file: $!";	4153	or error "ERROR: unable to write runtime file: $!";
2672	};
2673	}	4154	};
		4155	}
2674		4156
		4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4158	$sig->send;
		4159	}
2675	$WAIT_FOR_TICK->broadcast;	4160	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677		4161
2678	# my $AFTER = Event::time;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
2679	# warn $AFTER - $NOW;#d#	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2680		4164
2681	# if we are delayed by four ticks or more, skip them all	4165	if (0) {
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4166	if ($NEXT_TICK) {
2683		4167	my $jitter = $TICK_START - $NEXT_TICK;
2684	$TICK_WATCHER->at ($NEXT_TICK);	4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2685	$TICK_WATCHER->start;	4169	debug "jitter $JITTER\n";#d#
		4170	}
2686	},	4171	}
2687	);	4172	}
2688		4173
2689	{	4174	{
2690	BDB::max_poll_time $TICK * 0.1;	4175	# configure BDB
2691	$BDB_POLL_WATCHER = Event->io (	4176
2692	reentrant => 0,
2693	fd => BDB::poll_fileno,
2694	poll => 'r',
2695	prio => 0,
2696	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,
2698	);
2699	BDB::min_parallel 8;	4177	BDB::min_parallel 16;
2700		4178	BDB::max_poll_reqs $TICK * 0.1;
2701	BDB::set_sync_prepare {	4179	$AnyEvent::BDB::WATCHER->priority (1);
2702	my $status;
2703	my $current = $Coro::current;
2704	(
2705	sub {
2706	$status = $!;
2707	$current->ready; undef $current;
2708	},
2709	sub {
2710	Coro::schedule while defined $current;
2711	$! = $status;
2712	},
2713	)
2714	};
2715		4180
2716	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
2717	$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);
2718		4188
2719	cf::sync_job {	4189	cf::sync_job {
2720	eval {	4190	eval {
2721	BDB::db_env_open	4191	BDB::db_env_open
2722	$DB_ENV,	4192	$DB_ENV,
2723	$BDB_ENV_DIR,	4193	$BDBDIR,
2724	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
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	4196	0666;
2727		4197
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	4199	};
2733		4200
2734	cf::cleanup "db_env_open(db): $@" if $@;	4201	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	4202	};
2736	}	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	};
2737	}	4214	}
2738		4215
2739	{	4216	{
		4217	# configure IO::AIO
		4218
2740	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
2741
2742	undef $Coro::AIO::WATCHER;
2743	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
2744	$AIO_POLL_WATCHER = Event->io (	4221	undef $AnyEvent::AIO::WATCHER;
2745	reentrant => 0,
2746	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,
2748	poll => 'r',
2749	prio => 6,
2750	cb => \&IO::AIO::poll_cb,
2751	);
2752	}	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;
2753		4274
2754	END { cf::emergency_save }	4275	END { cf::emergency_save }
2755		4276
2756	1	4277	1
2757		4278

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