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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		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(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	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;
56	our $NOW;	138	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		139
59	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		143
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
79	binmode STDOUT;	160	binmode STDOUT;
80	binmode STDERR;	161	binmode STDERR;
81		162
82	# read virtual server time, if available	163	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
87	}	168	}
88		169
89	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	171
91	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		174
96	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
97		176
98	sub cf::map::normalise;	177	sub cf::map::normalise;
99		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
100	#############################################################################	183	#############################################################################
101		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
102	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
103		197
104	=over 4	198	=over 4
105		199
106	=item $cf::UPTIME	200	=item $cf::UPTIME
107		201
108	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.
109		218
110	=item $cf::RUNTIME	219	=item $cf::RUNTIME
111		220
112	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
113	every server tick.	222	every server tick.
114		223
115	=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
116		227
117	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		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
120	=item $cf::NOW	239	=item $cf::LOAD
121		240
122	The time of the last (current) server tick.	241	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		242
128	=item %cf::CFG	243	=item %cf::CFG
129		244
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	246	from wherever your confdir points to.
132		247
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		249
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
139		282
140	=back	283	=back
141		284
142	=cut	285	=cut
143		286
144	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	294	my $msg = join "", @_;
147	utf8::encode $msg;
148		295
149	$msg .= "\n"	296	$msg .= "\n"
150	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
151		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
152	LOG llevError, $msg;	301	LOG llevWarn, $msg;
153	};	302	};
154	}	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	};
155		317
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		325
163	# 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
164	# within the Safe compartment.	327	# within the Safe compartment.
165	for my $pkg (qw(	328	for my $pkg (qw(
166	cf::global cf::attachable	329	cf::global cf::attachable
167	cf::object cf::object::player	330	cf::object cf::object::player
168	cf::client cf::player	331	cf::client cf::player
169	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
170	cf::map cf::party cf::region	334	cf::party cf::region
171	)) {	335	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	337	}
175		338
176	$Event::DIED = sub {	339	$EV::DIED = sub {
177	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
178	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
179		349
180	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
181		351
182	=over 4	352	=over 4
183		353
…		…
202	$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;
203	$d	373	$d
204	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
205	}	375	}
206		376
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
208		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
209	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
210		392
211	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
212		394
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
221		396
222	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
223		398
224	=cut	399	=cut
225		400
226	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
228	JSON::Syck::Dump $_[0]	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	}
229	}	466	}
230		467
231	=item cf::lock_wait $string	468	=item cf::lock_wait $string
232		469
233	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
234		471
235	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
236		473
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
240	returned.	477	returned.
241		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
242	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
243	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
244		484
245	=cut	485	=item $locked = cf::lock_active $string
246		486
247	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;
248		492
249	sub lock_wait($) {	493	sub lock_wait($) {
250	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	495	}
258		496
259	sub lock_acquire($) {	497	sub lock_acquire($) {
260	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
261		500
262	# wait, to be sure we are not locked	501	sub lock_active($) {
263	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	503	}
272		504
273	sub freeze_mainloop {	505	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
275		507
276	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
277	$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	}
278	};	578	}
279	$TICK_WATCHER->stop;	579	};
280	$guard	580
		581	sub get_slot($;$$) {
		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;
281	}	594	}
282		595
283	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
284		597
285	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		603
291	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
292		605
293	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
294		607
295	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
296	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
297	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.
298		612
299	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
300	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
301	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
302	fast or be very important.	616	fast or be very important.
…		…
304	=cut	618	=cut
305		619
306	sub sync_job(&) {	620	sub sync_job(&) {
307	my ($job) = @_;	621	my ($job) = @_;
308		622
309	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
310	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
312		628
313	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	630
315	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
316		632
317	my $busy = 1;	633	my $busy = 1;
318	my @res;	634	my @res;
319		635
320	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	638	@res = eval { $job->() };
322	warn $@ if $@;	639	error $@ if $@;
323	undef $busy;	640	undef $busy;
324	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
325		642
326	while ($busy) {	643	while ($busy) {
327	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
328	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
329		654
330	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
331	} else {	656	} else {
332	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
333		658
…		…
353	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
354		679
355	$coro	680	$coro
356	}	681	}
357		682
358	sub write_runtime {	683	=item fork_call { }, @args
359	my $guard = cf::lock_acquire "write_runtime";
360		684
361	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.
362		689
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
364	or return;
365		691
366	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
367	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
368	# 60 allows for the watchdog to kill the server.	694	}
369		695
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
371	and return;	697	my ($cb, @args) = @_;
372		698
373	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
375	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
376		702
377	close $fh	703	my @res = Coro::Util::fork_eval {
378	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
379		707
380	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
381	and return;	709	}
382		710
		711	sub objinfo {
383	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"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	886	}
385		887
386	=back	888	=back
387		889
388	=cut	890	=cut
389		891
390	#############################################################################	892	#############################################################################
391		893
392	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
393		895
394	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
395	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")
396	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
397		899
398	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>
399	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
400	crossfire+).	902	Deliantra).
401		903
402	=over 4	904	=over 4
403		905
404	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
405		907
…		…
449	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
450		952
451	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
452	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
453		955
454	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		958
457	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
458		960
459	=over 4	961	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
569		1071
570	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1076
575	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
577		1079
578	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
583		1085
584	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1088
587	} elsif (ref $type) {	1089	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
589		1091
590	} else {	1092	} else {
591	shift @arg;	1093	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
593	}	1095	}
594	}	1096	}
595	}	1097	}
596		1098
597	sub _object_attach {	1099	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
608	}	1110	}
609		1111
610	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
611	} else {	1113	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1115	}
614		1116
615	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
616	}	1118	}
617		1119
…		…
619	if (ref $_[0]) {	1121	if (ref $_[0]) {
620	_object_attach @_;	1122	_object_attach @_;
621	} else {	1123	} else {
622	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
623	}	1125	}
		1126	_recalc_want;
624	};	1127	};
625		1128
626	# all those should be optimised	1129	# all those should be optimised
627	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1135	reattach ($obj);
633	} else {	1136	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
635	}	1138	}
		1139	_recalc_want;
636	};	1140	};
637		1141
638	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
640		1144
…		…
655	";	1159	";
656	die if $@;	1160	die if $@;
657	}	1161	}
658		1162
659	our $override;	1163	our $override;
660	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?
661		1165
662	sub override {	1166	sub override {
663	$override = 1;	1167	$override = 1;
664	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
665	}	1169	}
666		1170
667	sub do_invoke {	1171	sub do_invoke {
668	my $event = shift;	1172	my $event = shift;
669	my $callbacks = shift;	1173	my $callbacks = shift;
670		1174
671	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
672		1176
673	local $override;	1177	local $override;
674		1178
675	for (@$callbacks) {	1179	for (@$callbacks) {
676	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
677		1181
678	if ($@) {	1182	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1184	override;
682	}	1185	}
683		1186
684	return 1 if $override;	1187	return 1 if $override;
685	}	1188	}
686		1189
687	0	1190	0
688	}	1191	}
689		1192
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1194
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1196
694	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
695		1198
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1202
700	=back	1203	=back
701		1204
702	=cut	1205	=cut
703		1206
704	#############################################################################	1207	#############################################################################
705	# 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	}
706		1251
707	sub reattach {	1252	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1254	my ($obj) = @_;
710		1255
		1256	# no longer needed after getting rid of delete_package?
711	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
712		1258
713	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
714		1260
715	@$registry = ();	1261	@$registry = ();
716		1262
…		…
721	for (@$attach) {	1267	for (@$attach) {
722	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
724	}	1270	}
725	} else {	1271	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1273	}
728	}	1274	}
729	}	1275	}
730		1276
731	cf::attachable->attach (	1277	cf::attachable->attach (
732	prio => -1000000,	1278	prio => -1000000,
733	on_instantiate => sub {	1279	on_instantiate => sub {
734	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
735		1281
736	$data = from_json $data;	1282	$data = decode_json $data;
737		1283
738	for (@$data) {	1284	for (@$data) {
739	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
740		1286
741	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1303	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
759		1305
760	sync_job {	1306	sync_job {
761	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
764		1312
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	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	}
769	close $fh;	1320	aio_close $fh;
770		1321
771	if (@$objs) {	1322	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
776	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	}
777	close $fh;	1331	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
779	}	1333	}
780	} else {	1334	} else {
781	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
782	}	1336	}
783		1337
784	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1342	} else {
786	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
787	}	1344	}
788	} else {	1345	} else {
789	aio_unlink $filename;	1346	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
791	}	1348	}
792	}	1349	};
793	}	1350	}
794		1351
795	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
797		1354
…		…
809	or return;	1366	or return;
810		1367
811	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
813	or return;	1370	or return;
		1371
814	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
815	}	1374	}
816		1375
		1376	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
819	return ($data, $av);	1381	($data, $av)
820	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
821		1389
822	#############################################################################	1390	#############################################################################
823	# command handling &c	1391	# command handling &c
824		1392
825	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1407	}
840		1408
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1410
843	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.
844		1416
845	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
846	called.	1418	called.
847		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
848	=cut	1431	=cut
849		1432
850	sub register_extcmd {	1433	sub register_extcmd {
851	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
852		1435
853	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
854	}	1437	}
855		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
856	cf::player->attach (	1447	cf::player->attach (
857	on_command => sub {	1448	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
859		1450
860	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
861	or return;	1452	or return;
862		1453
…		…
867	cf::override;	1458	cf::override;
868	},	1459	},
869	on_extcmd => sub {	1460	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
871		1462
872	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1464
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
880	} else {	1480	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1482	}
883		1483
884	cf::override;	1484	cf::override;
885	},	1485	},
886	);	1486	);
887		1487
		1488	# "readahead" all extensions
888	sub load_extension {	1489	sub cache_extensions {
889	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
890		1491
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1495	}
916	die $@;
917	}	1496	};
918		1497
919	push @EXTS, $pkg;	1498	$grp
920	}	1499	}
921		1500
922	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
923	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1508	next unless -r $path;
925	eval {	1509
926	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	}
927	1	1573	}
928	} 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	}
929	}	1586	};
930	}	1587	}
931		1588
932	#############################################################################	1589	#############################################################################
933		1590
		1591	=back
		1592
934	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
935		1594
936	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
937		1596
938	=cut	1597	=cut
939		1598
940	package cf::player;	1599	package cf::player;
941		1600
…		…
943		1602
944	=head3 cf::player	1603	=head3 cf::player
945		1604
946	=over 4	1605	=over 4
947		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
948	=item cf::player::find $login	1621	=item cf::player::find $login
949		1622
950	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
951		1624
952	=cut	1625	=cut
953		1626
954	sub playerdir($) {	1627	sub playerdir($) {
955	cf::localdir	1628	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1630	}
961		1631
962	sub path($) {	1632	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1634
965	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
966	}	1636	}
967		1637
968	sub find_active($) {	1638	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
973		1643
974	sub exists($) {	1644	sub exists($) {
975	my ($login) = @_;	1645	my ($login) = @_;
976		1646
977	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
979	}	1649	}
980		1650
981	sub find($) {	1651	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1653	my $login = $_[0];
984		1654
985	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
986		1656
987	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
989	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;
990	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
991	}	1674	}
992	}	1675	}
993	}	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	);
994		1690
995	sub save($) {	1691	sub save($) {
996	my ($pl) = @_;	1692	my ($pl) = @_;
997		1693
998	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1004		1700
1005	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1007		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
1008	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1009	Coro::cede;	1710	cf::cede_to_tick;
1010	}	1711	}
1011		1712
1012	sub new($) {	1713	sub new($) {
1013	my ($login) = @_;	1714	my ($login) = @_;
1014		1715
…		…
1020	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1021		1722
1022	$self	1723	$self
1023	}	1724	}
1024		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
1025	=item $pl->quit_character	1736	=item $pl->quit_character
1026		1737
1027	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
1028	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1029		1740
…		…
1033	my ($pl) = @_;	1744	my ($pl) = @_;
1034		1745
1035	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1036		1747
1037	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1038	$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
1039		1750
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1041	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1043	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1044		1759
1045	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1047	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1770
1056	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
1057	}	1772	}
1058		1773
		1774	=item $pl->kick
		1775
		1776	Kicks a player out of the game. This destroys the connection.
		1777
		1778	=cut
		1779
		1780	sub kick {
		1781	my ($pl, $kicker) = @_;
		1782
		1783	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1784	$pl->killer ("kicked");
		1785	$pl->ns->destroy;
		1786	}
		1787
1059	=item cf::player::list_logins	1788	=item cf::player::list_logins
1060		1789
1061	Returns am arrayref of all valid playernames in the system, can take a	1790	Returns am arrayref of all valid playernames in the system, can take a
1062	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1063		1792
1064	=cut	1793	=cut
1065		1794
1066	sub list_logins {	1795	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1797	or return [];
1069		1798
1070	my @logins;	1799	my @logins;
1071		1800
1072	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") {
1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1074	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1075	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1076		1811
1077	utf8::decode $login;	1812	utf8::decode $login;
1078	push @logins, $login;	1813	push @logins, $login;
1079	}	1814	}
1080		1815
1081	\@logins	1816	\@logins
1082	}	1817	}
1083		1818
1084	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1085		1822
1086	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1087	player. May block.	1824	player. May block.
1088		1825
1089	=cut	1826	=cut
…		…
1107	}	1844	}
1108		1845
1109	\@paths	1846	\@paths
1110	}	1847	}
1111		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1113		1854
1114	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1115		1856
1116	=cut	1857	=cut
1117		1858
1118	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1119	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1120		1861
1121	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1122
1123	$self->send ("ext " . cf::to_json \%msg);
1124	}	1863	}
1125		1864
1126	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		1872	my ($self, $type, @msg) = @_;
		1873
		1874	$self->ns->ext_msg ($type, @msg);
		1875	}
		1876
		1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1127		1907
1128	=back	1908	=back
1129
1130		1909
1131	=head3 cf::map	1910	=head3 cf::map
1132		1911
1133	=over 4	1912	=over 4
1134		1913
…		…
1146	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1147	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1148		1927
1149	sub generate_random_map {	1928	sub generate_random_map {
1150	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1151	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1152	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1156	$rmp->{exit_on_final_map},
1157	$rmp->{xsize}, $rmp->{ysize},
1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1160	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1161	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1162	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1163	(cf::region::find $rmp->{region}), $rmp->{custom}
1164	)
1165	}	1934	}
1166		1935
1167	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1168		1937
1169	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
…		…
1174		1943
1175	sub register {	1944	sub register {
1176	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1177	my $pkg = caller;	1946	my $pkg = caller;
1178		1947
1179	no strict;
1180	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1181		1949
1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1183	}	1951	}
1184		1952
1185	# also paths starting with '/'	1953	# also paths starting with '/'
1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1187		1955
1188	sub thawer_merge {	1956	sub thawer_merge {
1189	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1190		1958
1191	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1192	local $self->{path};	1960	local $self->{path};
1193	local $self->{load_path};	1961	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1962
1197	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1198	}	1964	}
1199		1965
1200	sub normalise {	1966	sub normalise {
1201	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1202		1968
1203	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1204		1970
1205	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1206		1972
1207	# map plan:	1973	# map plan:
1208	#	1974	#
…		…
1223	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1224	$path = "$base/$path";	1990	$path = "$base/$path";
1225	}	1991	}
1226		1992
1227	for ($path) {	1993	for ($path) {
1228	redo if s{//}{/};
1229	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1230	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1231	}	1996	}
1232		1997
1233	$path	1998	$path
…		…
1247	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1248	return $self;	2013	return $self;
1249	}	2014	}
1250	}	2015	}
1251		2016
1252	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1253	()	2018	()
1254	}	2019	}
1255		2020
		2021	# may re-bless or do other evil things
1256	sub init {	2022	sub init {
1257	my ($self) = @_;	2023	my ($self) = @_;
1258		2024
1259	$self	2025	$self
1260	}	2026	}
…		…
1272		2038
1273	# the original (read-only) location	2039	# the original (read-only) location
1274	sub load_path {	2040	sub load_path {
1275	my ($self) = @_;	2041	my ($self) = @_;
1276		2042
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1278	}	2044	}
1279		2045
1280	# the temporary/swap location	2046	# the temporary/swap location
1281	sub save_path {	2047	sub save_path {
1282	my ($self) = @_;	2048	my ($self) = @_;
1283		2049
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1286	}	2052	}
1287		2053
1288	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1289	sub uniq_path {	2055	sub uniq_path {
1290	my ($self) = @_;	2056	my ($self) = @_;
1291		2057
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1294	}	2060	}
1295		2061
1296	# and all this just because we cannot iterate over	2062	sub decay_objects {
1297	# all maps in C++...
1298	sub change_all_map_light {
1299	my ($change) = @_;	2063	my ($self) = @_;
1300		2064
1301	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1302	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1303	}	2068	}
1304		2069
1305	sub unlink_save {	2070	sub unlink_save {
1306	my ($self) = @_;	2071	my ($self) = @_;
1307		2072
…		…
1312		2077
1313	sub load_header_from($) {	2078	sub load_header_from($) {
1314	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1315		2080
1316	utf8::encode $path;	2081	utf8::encode $path;
1317	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1318	# or return;
1319
1320	$self->_load_header ($path)
1321	or return;	2083	or return;
1322		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1323	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1324		2092
1325	1	2093	1
1326	}	2094	}
1327		2095
		2096	# used to laod the header of an original map
1328	sub load_header_orig {	2097	sub load_header_orig {
1329	my ($self) = @_;	2098	my ($self) = @_;
1330		2099
1331	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1332	}	2101	}
1333		2102
		2103	# used to laod the header of an instantiated map
1334	sub load_header_temp {	2104	sub load_header_temp {
1335	my ($self) = @_;	2105	my ($self) = @_;
1336		2106
1337	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1338	}	2108	}
1339		2109
		2110	# called after loading the header from an instantiated map
1340	sub prepare_temp {	2111	sub prepare_temp {
1341	my ($self) = @_;	2112	my ($self) = @_;
1342		2113
1343	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1344	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1345	# safety	2116	# safety
1346	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1347	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1348	}	2119	}
1349		2120
		2121	# called after loading the header from an original map
1350	sub prepare_orig {	2122	sub prepare_orig {
1351	my ($self) = @_;	2123	my ($self) = @_;
1352		2124
1353	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1354	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1365	$self->load_header_orig	2137	$self->load_header_orig
1366	or return;	2138	or return;
1367	$self->prepare_orig;	2139	$self->prepare_orig;
1368	}	2140	}
1369		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
1370	1	2148	1
1371	}	2149	}
1372		2150
1373	sub find;	2151	sub find;
1374	sub find {	2152	sub find {
1375	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1376		2154
		2155	cf::cede_to_tick;
		2156
1377	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1378		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1379	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1380		2161
1381	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1382	my $guard = cf::lock_acquire "map_find:$path";
1383	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1384	or return;	2164	or return;
1385		2165
1386	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1387		2167
1388	$map->load_header	2168	$map->load_header
1389	or return;	2169	or return;
1390		2170
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1394	$map->reset;	2176	$map->reset;
1395	undef $guard;
1396	return find $path;	2177	return find $path;
1397	}	2178	}
1398		2179
1399	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1400	}	2181	}
1401	}	2182	}
1402		2183
1403	sub pre_load { }	2184	sub pre_load { }
1404	sub post_load { }	2185	#sub post_load { } # XS
1405		2186
1406	sub load {	2187	sub load {
1407	my ($self) = @_;	2188	my ($self) = @_;
1408		2189
1409	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1410		2191
1411	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1412	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1413		2196
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1415		2199
1416	$self->in_memory (cf::MAP_LOADING);
1417
1418	$self->alloc;	2200	$self->alloc;
1419		2201
1420	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1421		2204
1422	$self->_load_objects ($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)
1423	or return;	2209	or return;
1424		2210
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1426	if delete $self->{load_original};	2212	if delete $self->{load_original};
1427		2213
1428	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;	2215	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1431	$self->clear_unique_items;	2218	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1433	}	2223	}
1434	}
1435		2224
1436	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1437		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1438	# now do the right thing for maps	2234	# now do the right thing for maps
1439	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;
1446	$self->set_darkness_map;
1447	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	2237	unless $self->difficulty;
1449	Coro::cede;	2238	cf::cede_to_tick;
1450	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1451	}	2250	}
1452		2251
1453	$self->post_load;	2252	$self->post_load;
1454		2253
1455	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1456	}	2255	}
1457		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1458	sub customise_for {	2260	sub customise_for {
1459	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1460		2262
1461	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	2264	if $self->per_player;
1463		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1464	$self	2269	$self
1465	}	2270	}
1466		2271
1467	# find and load all maps in the 3x3 area around a map	2272	# find and load all maps in the 3x3 area around a map
1468	sub load_diag {	2273	sub load_neighbours {
1469	my ($map) = @_;	2274	my ($map) = @_;
1470		2275
1471	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1472		2277
1473	for (0 .. 3) {	2278	for (0 .. 3) {
1474	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1475	or next;	2280	or next;
1476	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1477	or next;	2282	or next;
1478	$neigh->load;	2283	$neigh->load;
1479		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1482	}	2289	}
1483		2290
1484	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1485	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1486	or next;	2294	or next;
1487	$neigh->load;	2295	$neigh->load;
1488	}	2296	}
1489	}	2297	}
1490		2298
1491	sub find_sync {	2299	sub find_sync {
1492	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1493		2301
1494	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1495	}	2307	}
1496		2308
1497	sub do_load_sync {	2309	sub do_load_sync {
1498	my ($map) = @_;	2310	my ($map) = @_;
1499		2311
1500	cf::sync_job { $map->load };	2312	# it's a bug to call this from the main context
		2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2314	if $Coro::current == $Coro::main;
		2315
		2316	$map->load;
1501	}	2317	}
1502		2318
1503	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1504	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
1505		2321
1506	sub find_async {	2322	sub find_async {
1507	my ($path, $origin) = @_;	2323	my ($path, $origin, $load) = @_;
1508		2324
1509	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
1510		2326
1511	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
1513	}	2329	}
1514		2330
1515	undef $MAP_PREFETCH{$path};	2331	$MAP_PREFETCH{$path} |= $load;
		2332
1516	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
1517	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
1518	for my $path (keys %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
1519	my $map = find $path	2338	if (my $map = find $k) {
1520	or next;
1521	$map->load;	2339	$map->load if $v;
		2340	}
1522		2341
1523	delete $MAP_PREFETCH{$path};	2342	delete $MAP_PREFETCH{$k};
1524	}	2343	}
1525	}	2344	}
1526	undef $MAP_PREFETCHER;	2345	undef $MAP_PREFETCHER;
1527	};	2346	};
1528	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
1529		2348
1530	()	2349	()
1531	}	2350	}
1532		2351
		2352	# common code, used by both ->save and ->swapout
1533	sub save {	2353	sub _save {
1534	my ($self) = @_;	2354	my ($self) = @_;
1535
1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
1537		2355
1538	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
1539		2357
1540	return unless $self->dirty;	2358	return unless $self->dirty;
1541		2359
…		…
1547	return if $self->{deny_save};	2365	return if $self->{deny_save};
1548		2366
1549	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
1550		2368
1551	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
1552	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
1553	};	2372	};
		2373
		2374	cf::get_slot 0.02;
1554		2375
1555	if ($uniq) {	2376	if ($uniq) {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1558	} else {	2379	} else {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1560	}	2381	}
1561	}	2382	}
1562		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
1563	sub swap_out {	2392	sub swap_out {
1564	my ($self) = @_;	2393	my ($self) = @_;
1565		2394
1566	# save first because save cedes
1567	$self->save;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1571	return if $self->players;	2399	return if $self->players;
1572	return if $self->in_memory != cf::MAP_IN_MEMORY;
1573	return if $self->{deny_save};
1574		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
1575	$self->clear;	2410	$self->clear;
1576	$self->in_memory (cf::MAP_SWAPPED);
1577	}	2411	}
1578		2412
1579	sub reset_at {	2413	sub reset_at {
1580	my ($self) = @_;	2414	my ($self) = @_;
1581		2415
1582	# TODO: safety, remove and allow resettable per-player maps	2416	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	2417	return 1e99 if $self->{deny_reset};
1585		2418
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2420	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588		2421
…		…
1599	my ($self) = @_;	2432	my ($self) = @_;
1600		2433
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2435
1603	return if $self->players;	2436	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		2437
1606	warn "resetting map ", $self->path;#d#	2438	cf::trace "resetting map ", $self->path, "\n";
1607		2439
1608	$self->in_memory (cf::MAP_SWAPPED);	2440	$self->state (cf::MAP_SWAPPED);
1609		2441
1610	# need to save uniques path	2442	# need to save uniques path
1611	unless ($self->{deny_save}) {	2443	unless ($self->{deny_save}) {
1612	my $uniq = $self->uniq_path; utf8::encode $uniq;	2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
1613		2445
…		…
1615	if $uniq;	2447	if $uniq;
1616	}	2448	}
1617		2449
1618	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1619		2451
		2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
1620	$self->clear;	2454	$self->clear;
1621
1622	$_->clear_links_to ($self) for values %cf::MAP;
1623		2455
1624	$self->unlink_save;	2456	$self->unlink_save;
1625	$self->destroy;	2457	$self->destroy;
1626	}	2458	}
1627		2459
1628	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1629		2461
1630	sub nuke {	2462	sub nuke {
1631	my ($self) = @_;	2463	my ($self) = @_;
1632		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
1633	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
1634		2469
1635	$self->unlink_save;	2470	$self->unlink_save;
1636		2471
1637	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
1638	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
1639	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1640	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1642		2477
1643	$cf::MAP{$self->path} = $self;	2478	$cf::MAP{$self->path} = $self;
		2479	}
1644		2480
1645	$self->reset; # polite request, might not happen	2481	$self->reset; # polite request, might not happen
		2482	}
		2483
		2484	=item $maps = cf::map::tmp_maps
		2485
		2486	Returns an arrayref with all map paths of currently instantiated and saved
		2487	maps. May block.
		2488
		2489	=cut
		2490
		2491	sub tmp_maps() {
		2492	[
		2493	map {
		2494	utf8::decode $_;
		2495	/\.map$/
		2496	? normalise $_
		2497	: ()
		2498	} @{ aio_readdir $TMPDIR or [] }
		2499	]
		2500	}
		2501
		2502	=item $maps = cf::map::random_maps
		2503
		2504	Returns an arrayref with all map paths of currently instantiated and saved
		2505	random maps. May block.
		2506
		2507	=cut
		2508
		2509	sub random_maps() {
		2510	[
		2511	map {
		2512	utf8::decode $_;
		2513	/\.map$/
		2514	? normalise "?random/$_"
		2515	: ()
		2516	} @{ aio_readdir $RANDOMDIR or [] }
		2517	]
1646	}	2518	}
1647		2519
1648	=item cf::map::unique_maps	2520	=item cf::map::unique_maps
1649		2521
1650	Returns an arrayref of paths of all shared maps that have	2522	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	2523	instantiated unique items. May block.
1652		2524
1653	=cut	2525	=cut
1654		2526
1655	sub unique_maps() {	2527	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2528	[
1657	or return;	2529	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	2530	utf8::decode $_;
1663	next if /\.pst$/;	2531	s/\.map$//; # TODO future compatibility hack
1664	next unless /^$PATH_SEP/o;	2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1665		2533	? ()
1666	push @paths, cf::map::normalise $_;	2534	: normalise $_
		2535	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	2536	]
1668
1669	\@paths
1670	}	2537	}
1671		2538
1672	package cf;	2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
		2560	s/\.map$// or next;
		2561	utf8::decode $_;
		2562	push @maps, "$dir/$_";
		2563	}
		2564
		2565	push @dirs, map "$dir/$_", @$dirs;
		2566	}
		2567
		2568	\@maps
		2569	}
1673		2570
1674	=back	2571	=back
1675		2572
1676	=head3 cf::object	2573	=head3 cf::object
1677		2574
…		…
1681		2578
1682	=over 4	2579	=over 4
1683		2580
1684	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
1685		2582
1686	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
1687		2585
1688	=cut	2586	=cut
1689		2587
1690	sub inv_recursive_;	2588	sub inv_recursive_;
1691	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
1694		2592
1695	sub inv_recursive {	2593	sub inv_recursive {
1696	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
1697	}	2595	}
1698		2596
		2597	=item $ref = $ob->ref
		2598
		2599	Creates and returns a persistent reference to an object that can be stored as a string.
		2600
		2601	=item $ob = cf::object::deref ($refstring)
		2602
		2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2604	even if the object actually exists. May block.
		2605
		2606	=cut
		2607
		2608	sub deref {
		2609	my ($ref) = @_;
		2610
		2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2612	my ($uuid, $name) = ($1, $2);
		2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2614	or return;
		2615	$pl->ob->uuid eq $uuid
		2616	or return;
		2617
		2618	$pl->ob
		2619	} else {
		2620	warn "$ref: cannot resolve object reference\n";
		2621	undef
		2622	}
		2623	}
		2624
1699	package cf;	2625	package cf;
1700		2626
1701	=back	2627	=back
1702		2628
1703	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
1709	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2635	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1710	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
1711	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
1712		2638
1713	=cut	2639	=cut
		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
1714		2654
1715	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
1716	# with dialog boxes.	2656	# with dialog boxes.
1717	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
1718	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
1720		2660
1721	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2661	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722		2662
1723	if ($self->{record_replies}) {	2663	if ($self->{record_replies}) {
1724	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2664	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2665
1725	} else {	2666	} else {
		2667	my $pl = $self->contr;
		2668
		2669	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2670	my $dialog = $pl->{npc_dialog};
		2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2672
		2673	} else {
1726	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
1727	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2676	}
1728	}	2677	}
		2678	}
		2679
		2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2681
		2682	=cut
		2683
		2684	sub cf::object::send_msg {
		2685	my $pl = shift->contr
		2686	or return;
		2687	$pl->send_msg (@_);
1729	}	2688	}
1730		2689
1731	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
1732		2691
1733	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
1746		2705
1747	=item $player_object->enter_link	2706	=item $player_object->enter_link
1748		2707
1749	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
1750		2709
1751	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
1752	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
1753		2714
1754	Will never block.	2715	Will never block.
1755		2716
1756	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
1757		2718
…		…
1777	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
1778	my ($self) = @_;	2739	my ($self) = @_;
1779		2740
1780	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
1781		2742
		2743	++$self->{_link_recursion};
		2744
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		2746
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	2748	if $self->map && $self->map->{path} ne "{link}";
1786		2749
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1788	}	2751	}
1789		2752
1790	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
		2755
		2756	return unless $self->contr->active;
1792		2757
1793	my $link_pos = delete $self->{_link_pos};	2758	my $link_pos = delete $self->{_link_pos};
1794		2759
1795	unless ($map) {	2760	unless ($map) {
1796	# restore original map position	2761	# restore original map position
…		…
1807	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
1808	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
1809		2774
1810	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
1811	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
1812	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
1813		2778
1814	$map->load;	2779	$map->load;
1815	$map->load_diag;	2780	$map->load_neighbours;
1816		2781
1817	return unless $self->contr->active;	2782	return unless $self->contr->active;
1818	$self->activate_recursive;
1819		2783
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	2785	if ($self->enter_map ($map, $x, $y)) {
1822	}	2786	# entering was successful
1823		2787	delete $self->{_link_recursion};
1824	cf::player->attach (	2788	# only activate afterwards, to support waiting in hooks
1825	on_logout => sub {	2789	$self->activate_recursive;
1826	my ($pl) = @_;
1827
1828	# abort map switching before logout
1829	if ($pl->ob->{_link_pos}) {
1830	cf::sync_job {
1831	$pl->ob->leave_link
1832	};
1833	}
1834	},	2790	}
1835	on_login => sub {
1836	my ($pl) = @_;
1837		2791
1838	# try to abort aborted map switching on player login :)	2792	}
1839	# should happen only on crashes
1840	if ($pl->ob->{_link_pos}) {
1841	$pl->ob->enter_link;
1842	(async {
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855		2793
1856	=item $player_object->goto ($path, $x, $y)	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1857		2795
		2796	Moves the player to the given map-path and coordinates by first freezing
		2797	her, loading and preparing them map, calling the provided $check callback
		2798	that has to return the map if sucecssful, and then unfreezes the player on
		2799	the new (success) or old (failed) map position. In either case, $done will
		2800	be called at the end of this process.
		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
		2804
1858	=cut	2805	=cut
		2806
		2807	our $GOTOGEN;
1859		2808
1860	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
1861	my ($self, $path, $x, $y) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
		2817
		2818	# do generation counting so two concurrent goto's will be executed in-order
		2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862		2820
1863	$self->enter_link;	2821	$self->enter_link;
1864		2822
1865	(async {	2823	(async {
		2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
1866	my $map = eval {	2845	my $map = eval {
1867	my $map = cf::map::find $path;	2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2847
		2848	if ($map) {
1868	$map = $map->customise_for ($self) if $map;	2849	$map = $map->customise_for ($self);
		2850	$map = $check->($map, $x, $y, $self) if $check && $map;
		2851	} else {
		2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	}
		2854
1869	$map	2855	$map
		2856	};
		2857
		2858	if ($@) {
		2859	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	LOG llevError | logBacktrace, Carp::longmess $@;
1870	} or	2861	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2862
		2863	if ($gen == $self->{_goto_generation}) {
		2864	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
		2866	}
		2867
		2868	$done->($self) if $done;
1874	})->prio (1);	2869	})->prio (1);
1875	}	2870	}
1876		2871
1877	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
1878		2873
…		…
1898	}	2893	}
1899		2894
1900	sub prepare_random_map {	2895	sub prepare_random_map {
1901	my ($exit) = @_;	2896	my ($exit) = @_;
1902		2897
1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1904
1905	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
1906	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
1907	# that depends on the exit object	2900	# that depends on the exit object
1908		2901
1909	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
…		…
1911	if ($exit->map) {	2904	if ($exit->map) {
1912	$rmp->{region} = $exit->region->name;	2905	$rmp->{region} = $exit->region->name;
1913	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
1914	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
1915	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
1916	}	2911	}
1917		2912
1918	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
1919		2914
1920	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1921	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
1923		2918
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2921	undef $fh;
1927	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
1928		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
1929	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
1930	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
1931	}	2930	}
1932	}	2931	}
1933		2932
1934	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
1935	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
1936		2935
1937	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
1938		2937
1939	if ($exit->slaying eq "/!") {
1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
1941	cf::sync_job { prepare_random_map $exit };
1942	}
1943
1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945	my $hp = $exit->stats->hp;
1946	my $sp = $exit->stats->sp;
1947
1948	$self->enter_link;	2938	$self->enter_link;
1949		2939
1950	(async {	2940	(async {
1951	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
1952	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
		2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
		2960	$map = $exit->slaying;
		2961
		2962	} elsif ($slaying eq '!up') {
		2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
1953	$self->goto ($slaying, $hp, $sp);	2973	$self->goto ($map, $x, $y);
1954		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
1955	1;	2979	1
1956	}) {	2980	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
1958	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
1959	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2985
1962	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
1963	$self->leave_link;	2987	$self->leave_link;
1964	}	2988	}
1965	})->prio (1);	2989	})->prio (1);
1966	}	2990	}
1967		2991
…		…
1978		3002
1979	sub cf::client::send_drawinfo {	3003	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	3004	my ($self, $text, $flags) = @_;
1981		3005
1982	utf8::encode $text;	3006	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	3008	}
1985		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
		3033	}
		3034
		3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3036
		3037	Send a drawinfo or msg packet to the client, formatting the msg for the
		3038	client if neccessary. C<$type> should be a string identifying the type of
		3039	the message, with C<log> being the default. If C<$color> is negative, suppress
		3040	the message unless the client supports the msg packet.
		3041
		3042	=cut
		3043
		3044	# non-persistent channels (usually the info channel)
		3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
		3052	"c/identify" => {
		3053	id => "infobox",
		3054	title => "Identify",
		3055	reply => undef,
		3056	tooltip => "Items recently identified",
		3057	},
		3058	"c/examine" => {
		3059	id => "infobox",
		3060	title => "Examine",
		3061	reply => undef,
		3062	tooltip => "Signs and other items you examined",
		3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
		3156	);
		3157
		3158	sub cf::client::send_msg {
		3159	my ($self, $channel, $msg, $color, @extra) = @_;
		3160
		3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
		3163
		3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3165
		3166	# check predefined channels, for the benefit of C
		3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
		3173	} elsif (ref $channel) {
		3174	# send meta info to client, if not yet sent
		3175	unless (exists $self->{channel}{$channel->{id}}) {
		3176	$self->{channel}{$channel->{id}} = $channel;
		3177	$self->ext_msg (channel_info => $channel);
		3178	}
		3179
		3180	$channel = $channel->{id};
		3181	}
		3182
		3183	return unless @extra || length $msg;
		3184
		3185	# default colour, mask it out
		3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3187	if $color & cf::NDI_DEF;
		3188
		3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
		3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3192	);
		3193
		3194	$self->send_big_packet ($pkt);
		3195	}
		3196
		3197	=item $client->ext_msg ($type, @msg)
		3198
		3199	Sends an ext event to the client.
		3200
		3201	=cut
		3202
		3203	sub cf::client::ext_msg($$@) {
		3204	my ($self, $type, @msg) = @_;
		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
		3209	push @msg, msgtype => "event_$type";
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		3221	my ($self, $id, @msg) = @_;
		3222
		3223	if ($self->extcmd == 2) {
		3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3225	} elsif ($self->extcmd == 1) {
		3226	#TODO: version 1, remove
		3227	unshift @msg, msgtype => "reply", msgid => $id;
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3229	}
		3230	}
1986		3231
1987	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
1988		3233
1989	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
1990	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3235	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1991	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3236	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1992		3237
1993	Queries can fail, so check the return code. Or don't, as queries will become	3238	Queries can fail, so check the return code. Or don't, as queries will
1994	reliable at some point in the future.	3239	become reliable at some point in the future.
1995		3240
1996	=cut	3241	=cut
1997		3242
1998	sub cf::client::query {	3243	sub cf::client::query {
1999	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
2007	utf8::encode $text;	3252	utf8::encode $text;
2008	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009		3254
2010	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
2011	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
2012	}	3259	}
2013		3260
2014	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
2015	on_reply => sub {	3267	on_reply => sub {
2016	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
2017		3269
2018	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
2019	# get handled first	3271	# get handled first
…		…
2031	} else {	3283	} else {
2032	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033	}	3285	}
2034	}	3286	}
2035	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($ns, $buf) = @_;
		3290
		3291	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3292
		3293	if (ref $msg) {
		3294	my ($type, $reply, @payload) =
		3295	"ARRAY" eq ref $msg
		3296	? @$msg
		3297	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
2036	);	3314	);
2037		3315
2038	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2039		3317
2040	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2056		3334
2057	$coro	3335	$coro
2058	}	3336	}
2059		3337
2060	cf::client->attach (	3338	cf::client->attach (
2061	on_destroy => sub {	3339	on_client_destroy => sub {
2062	my ($ns) = @_;	3340	my ($ns) = @_;
2063		3341
2064	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2065	},	3343	},
2066	);	3344	);
…		…
2081	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2082	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2083		3361
2084	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2085		3363
2086	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2087		3369
2088	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2089		3371
2090	=pod	3372	=pod
2091		3373
2092	The following fucntions and emthods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2093		3375
2094	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2095	cf::object::player player	3381	cf::object::player
2096	cf::player peaceful	3382	player
2097	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2098		3389
2099	=cut	3390	=cut
2100		3391
2101	for (	3392	for (
2102	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2103	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2104	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2105	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2106	) {	3399	) {
2107	no strict 'refs';
2108	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2109	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2110	for @funs;	3402	for @funs;
2111	}	3403	}
2112		3404
…		…
2127		3419
2128	my $qcode = $code;	3420	my $qcode = $code;
2129	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2130	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2131		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2132	local $_;	3427	local $_;
2133	local @safe::cf::_safe_eval_args = values %vars;
2134		3428
2135	my $eval =	3429	my $eval =
2136	"do {\n"	3430	"do {\n"
2137	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2138	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2139	. $code	3433	. $code
2140	. "\n}"	3434	. "\n}"
2141	;	3435	;
2142		3436
		3437	if ($CFG{safe_eval}) {
2143	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2144	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2145	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2146		3446
2147	if ($@) {	3447	if ($@) {
2148	warn "$@";	3448	warn "$@",
2149	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2150	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2151	}	3451	}
2152		3452
2153	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2154	}	3454	}
2155		3455
…		…
2169	=cut	3469	=cut
2170		3470
2171	sub register_script_function {	3471	sub register_script_function {
2172	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2173		3473
2174	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2175	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2176	}	3476	}
2177		3477
2178	=back	3478	=back
2179		3479
2180	=cut	3480	=cut
2181
2182	#############################################################################
2183
2184	=head2 EXTENSION DATABASE SUPPORT
2185
2186	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which
2188	excludes objects.
2189
2190	The parameter C<$family> should best start with the name of the extension
2191	using it, it should be unique.
2192
2193	=over 4
2194
2195	=item $value = cf::db_get $family => $key
2196
2197	Returns a single value from the database.
2198
2199	=item cf::db_put $family => $key => $value
2200
2201	Stores the given C<$value> in the family.
2202
2203	=cut
2204
2205	our $DB;
2206
2207	sub db_init {
2208	unless ($DB) {
2209	$DB = BDB::db_create $DB_ENV;
2210
2211	cf::sync_job {
2212	eval {
2213	$DB->set_flags (BDB::CHKSUM);
2214
2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;
2218	};
2219	cf::cleanup "db_open(db): $@" if $@;
2220	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}
2236	}
2237
2238	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";
2240
2241	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;
2243
2244	$! ? ()
2245	: Compress::LZF::sthaw $data
2246	}
2247	}
2248
2249	sub db_put($$$) {
2250	BDB::dbreq_pri 4;
2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}
2253		3481
2254	#############################################################################	3482	#############################################################################
2255	# the server's init and main functions	3483	# the server's init and main functions
2256		3484
2257	sub init_resources {	3485	sub load_facedata($) {
2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3486	my ($path) = @_;
		3487
		3488	# HACK to clear player env face cache, we need some signal framework
		3489	# for this (global event?)
		3490	%ext::player_env::MUSIC_FACE_CACHE = ();
		3491
		3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3493
		3494	trace "loading facedata from $path\n";
		3495
		3496	my $facedata = decode_storable load_file $path;
		3497
		3498	$facedata->{version} == 2
		3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3500
		3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3503	$facedata->{resource}{"res/exp_table"} = {
		3504	type => FT_RSRC,
		3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
		3507	};
		3508	cf::cede_to_tick;
		3509
		3510	{
		3511	my $faces = $facedata->{faceinfo};
		3512
		3513	while (my ($face, $info) = each %$faces) {
		3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
		3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
		3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524
		3525	while (my ($face, $info) = each %$faces) {
		3526	next unless $info->{smooth};
		3527
		3528	my $idx = cf::face::find $face
		3529	or next;
		3530
		3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
		3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3534	} else {
		3535	error "smooth face '$info->{smooth}' not found for face '$face'";
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	{
		3543	my $anims = $facedata->{animinfo};
		3544
		3545	while (my ($anim, $info) = each %$anims) {
		3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3547	cf::cede_to_tick;
		3548	}
		3549
		3550	cf::anim::invalidate_all; # d'oh
		3551	}
		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
		3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3559
		3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3561	cf::face::set_type $idx, $info->{type};
		3562	} else {
		3563	$RESOURCE{$name} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3571
		3572	1
		3573	}
		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($ns, $want) = @_;
		3577
		3578	while (my ($k, $v) = each %$want) {
		3579	$ns->fx_want ($k, $v);
		3580	}
		3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
		3592
		3593	sub reload_regions {
		3594	# HACK to clear player env face cache, we need some signal framework
		3595	# for this (global event?)
		3596	%ext::player_env::MUSIC_FACE_CACHE = ();
		3597
		3598	load_resource_file "$MAPDIR/regions"
2259	or die "unable to load regions file\n";#d#	3599	or die "unable to load regions file\n";
2260	}
2261		3600
2262	sub cfg_load {	3601	for (cf::region::list) {
2263	open my $fh, "<:utf8", cf::confdir . "/config"	3602	$_->{match} = qr/$_->{match}/
2264	or return;	3603	if exists $_->{match};
		3604	}
		3605	}
2265		3606
2266	local $/;	3607	sub reload_facedata {
2267	*CFG = YAML::Syck::Load <$fh>;	3608	load_facedata "$DATADIR/facedata"
		3609	or die "unable to load facedata\n";
		3610	}
2268		3611
		3612	sub reload_archetypes {
		3613	load_resource_file "$DATADIR/archetypes"
		3614	or die "unable to load archetypes\n";
		3615	}
		3616
		3617	sub reload_treasures {
		3618	load_resource_file "$DATADIR/treasures"
		3619	or die "unable to load treasurelists\n";
		3620	}
		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
		3642	sub reload_resources {
		3643	trace "reloading resource files...\n";
		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
		3650	reload_regions;
		3651	reload_treasures;
		3652
		3653	trace "finished reloading resource files\n";
		3654	}
		3655
		3656	sub reload_config {
		3657	trace "reloading config file...\n";
		3658
		3659	my $config = load_file "$CONFDIR/config";
		3660	utf8::decode $config;
		3661	*CFG = decode_yaml $config;
		3662
2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2270		3664
2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2273		3667
2274	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2278	};	3672	};
2279	warn $@ if $@;	3673	warn $@ if $@;
2280	}	3674	}
2281	}	3675	}
2282		3676
2283	sub init {	3677	sub pidfile() {
2284	init_resources;	3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
2285	}	3703	}
2286		3704
2287	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
2288	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2291	(async {	3718	(async {
2292	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
2293	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
2294	};	3722	};
2295		3723
2296	cfg_load;	3724	evthread_start IO::AIO::poll_fileno;
		3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
		3736	reload_config;
2297	db_init;	3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
2298	load_extensions;	3747	load_extensions;
2299		3748
2300	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
2301	Event::loop;	3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
2302	}	3767	}
2303		3768
2304	#############################################################################	3769	#############################################################################
2305	# initialisation and cleanup	3770	# initialisation and cleanup
2306		3771
2307	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2308	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2309	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2310	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2311	reentrant => 0,
2312	data => WF_AUTOCANCEL,
2313	signal => $signal,
2314	prio => 0,
2315	cb => sub {
2316	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2317	},
2318	);	3778	};
		3779	}
		3780	}
		3781
		3782	sub write_runtime_sync {
		3783	my $t0 = AE::time;
		3784
		3785	# first touch the runtime file to show we are still running:
		3786	# the fsync below can take a very very long time.
		3787
		3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3789
		3790	my $guard = cf::lock_acquire "write_runtime";
		3791
		3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3793	or return;
		3794
		3795	my $value = $cf::RUNTIME + 90 + 10;
		3796	# 10 is the runtime save interval, for a monotonic clock
		3797	# 60 allows for the watchdog to kill the server.
		3798
		3799	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3800	and return;
		3801
		3802	# always fsync - this file is important
		3803	aio_fsync $fh
		3804	and return;
		3805
		3806	# touch it again to show we are up-to-date
		3807	aio_utime $fh, undef, undef;
		3808
		3809	close $fh
		3810	or return;
		3811
		3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3813	and return;
		3814
		3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3816
2319	}	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
2320	}	3868	}
2321		3869
2322	sub emergency_save() {	3870	sub emergency_save() {
2323	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2324		3872
2325	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
2326		3879
2327	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2328	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2329	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2330	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2331	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2332	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2333	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2334	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2335	$pl->save;	3891	$pl->save;
2336	}	3892	}
2337	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2338		3894
2339	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
2340	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2341	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2342	$map->valid or next;	3900	$map->valid or next;
2343	$map->save;	3901	$map->save;
2344	}	3902	}
2345	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
2346		3904
2347	warn "begin emergency database checkpoint\n";	3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
2348	BDB::db_env_txn_checkpoint $DB_ENV;	3908	BDB::db_env_txn_checkpoint $DB_ENV;
2349	warn "end emergency database checkpoint\n";	3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2350	};	3933	};
2351		3934
2352	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2353	}	3936	}
2354		3937
2355	sub post_cleanup {	3938	sub post_cleanup {
2356	my ($make_core) = @_;	3939	my ($make_core) = @_;
2357		3940
		3941	IO::AIO::flush;
		3942
2358	warn Carp::longmess "post_cleanup backtrace"	3943	error Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	3944	if $make_core;
2360	}
2361		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
		3973	}
		3974
2362	sub reload() {	3975	sub do_reload_perl() {
2363	# can/must only be called in main	3976	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2365	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
2366	return;	3979	return;
2367	}	3980	}
2368		3981
2369	warn "reloading...";	3982	return if $RELOAD++;
2370		3983
2371	warn "entering sync_job";	3984	my $t1 = AE::time;
2372		3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
2373	cf::sync_job {	3992	cf::sync_job {
2374	cf::write_runtime; # external watchdog should not bark
2375	cf::emergency_save;	3993	#cf::emergency_save;
2376	cf::write_runtime; # external watchdog should not bark
2377		3994
2378	warn "syncing database to disk";
2379	BDB::db_env_txn_checkpoint $DB_ENV;
2380
2381	# if anything goes wrong in here, we should simply crash as we already saved
2382
2383	warn "cancelling all WF_AUTOCANCEL watchers";
2384	for (Event::all_watchers) {
2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2386	}
2387
2388	warn "flushing outstanding aio requests";
2389	for (;;) {
2390	BDB::flush;
2391	IO::AIO::flush;
2392	Coro::cede;
2393	last unless IO::AIO::nreqs || BDB::nreqs;
2394	warn "iterate...";
2395	}
2396
2397	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();	3997	%EXT_CORO = ();
2400		3998
2401	warn "removing commands";	3999	trace "perl_reload: removing commands";
2402	%COMMAND = ();	4000	%COMMAND = ();
2403		4001
2404	warn "removing ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2405	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2406		4005
2407	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2408	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2409	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2410		4009
2411	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2412	eval {	4011	eval {
2413	$cb->($pkg);	4012	$cb->($pkg);
2414	1	4013	1
2415	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
2416	}	4019	}
2417		4020
2418	warn "... nuking $pkg";
2419	Symbol::delete_package $pkg;
2420	}
2421
2422	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2423	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2425		4024
2426	warn "... unloading $k";	4025	trace "... unloading $k";
2427	delete $INC{$k};	4026	delete $INC{$k};
2428		4027
2429	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2430	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2431		4030
2432	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2433	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2434	}	4036	}
2435		4037
2436	Symbol::delete_package $k;
2437	}
2438
2439	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2440	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442		4041
2443	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
		4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2445		4045
2446	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2447	# and global variables created in xs	4047	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2449		4049
2450	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
2451		4051
2452	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
2453	require cf;	4053	require cf;
2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2455		4055
2456	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
2457	cf::cfg_load;	4057	cf::reload_config;
2458		4058
2459	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
2460	cf::load_extensions;	4060	cf::load_extensions;
2461		4061
		4062	if ($REATTACH_ON_RELOAD) {
2462	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2463	_global_reattach;	4064	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2465	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
		4067	trace "perl_reload: reattaching attachments to players";
		4068	reattach $_ for values %PLAYER;
		4069	}
2466		4070
2467	warn "loading reloadable resources";	4071	cf::_post_init 1;
2468	init_resources;
2469		4072
2470	warn "leaving sync_job";	4073	trace "perl_reload: leaving sync_job";
2471		4074
2472	1	4075	1
2473	} or do {	4076	} or do {
2474	warn $@;	4077	error $@;
2475	warn "error while reloading, exiting.";	4078	cf::cleanup "perl_reload: error, exiting.";
2476	exit 1;	4079	};
		4080
		4081	--$RELOAD;
		4082	}
		4083
		4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
		4086	};
		4087
		4088	our $RELOAD_WATCHER; # used only during reload
		4089
		4090	sub reload_perl() {
		4091	# doing reload synchronously and two reloads happen back-to-back,
		4092	# coro crashes during coro_state_free->destroy here.
		4093
		4094	$RELOAD_WATCHER ||= cf::async {
		4095	Coro::AIO::aio_wait cache_extensions;
		4096
		4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4098	do_reload_perl;
		4099	undef $RELOAD_WATCHER;
		4100	};
2477	};	4101	};
2478		4102	}
2479	warn "reloaded";
2480	};
2481
2482	our $RELOAD_WATCHER; # used only during reload
2483		4103
2484	register_command "reload" => sub {	4104	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2486		4106
2487	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
2489		4109	async {
2490	# doing reload synchronously and two reloads happen back-to-back,	4110	$Coro::current->{desc} = "perl_reload";
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;	4111	reload_perl;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);	4112	};
2502	}	4113	}
2503	};	4114	};
2504		4115
2505	unshift @INC, $LIBDIR;	4116	#############################################################################
2506		4117
2507	my $bug_warning = 0;	4118	my $bug_warning = 0;
2508		4119
2509	$TICK_WATCHER = Event->timer (	4120	sub wait_for_tick() {
2510	reentrant => 0,	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2511	parked => 1,	4122
2512	prio => 0,	4123	$WAIT_FOR_TICK->wait;
2513	at => $NEXT_TICK || $TICK,	4124	}
2514	data => WF_AUTOCANCEL,	4125
2515	cb => sub {	4126	sub wait_for_tick_begin() {
		4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4128
		4129	my $signal = new Coro::Signal;
		4130	push @WAIT_FOR_TICK_BEGIN, $signal;
		4131	$signal->wait;
		4132	}
		4133
		4134	sub tick {
2516	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
2519	return;	4138	return;
2520	}	4139	}
2521		4140
2522	$NOW = Event::time;	4141	cf::one_tick; # one server iteration
2523		4142
2524	cf::server_tick; # one server iteration	4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2525	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;
2527		4144
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2530	Coro::async_pool {	4147	Coro::async_pool {
		4148	$Coro::current->{desc} = "runtime saver";
2531	write_runtime	4149	write_runtime_sync
2532	or warn "ERROR: unable to write runtime file: $!";	4150	or error "ERROR: unable to write runtime file: $!";
2533	};
2534	}	4151	};
		4152	}
2535		4153
		4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4155	$sig->send;
		4156	}
2536	$WAIT_FOR_TICK->broadcast;	4157	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538		4158
2539	# my $AFTER = Event::time;	4159	$LOAD = ($NOW - $TICK_START) / $TICK;
2540	# warn $AFTER - $NOW;#d#	4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2541		4161
2542	# if we are delayed by four ticks or more, skip them all	4162	if (0) {
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4163	if ($NEXT_TICK) {
2544		4164	my $jitter = $TICK_START - $NEXT_TICK;
2545	$TICK_WATCHER->at ($NEXT_TICK);	4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2546	$TICK_WATCHER->start;	4166	debug "jitter $JITTER\n";#d#
		4167	}
2547	},	4168	}
2548	);	4169	}
2549		4170
2550	{	4171	{
2551	BDB::max_poll_time $TICK * 0.1;	4172	# configure BDB
2552	$BDB_POLL_WATCHER = Event->io (	4173
2553	reentrant => 0,
2554	fd => BDB::poll_fileno,
2555	poll => 'r',
2556	prio => 0,
2557	data => WF_AUTOCANCEL,
2558	cb => \&BDB::poll_cb,
2559	);
2560	BDB::min_parallel 8;	4174	BDB::min_parallel 16;
2561		4175	BDB::max_poll_reqs $TICK * 0.1;
2562	BDB::set_sync_prepare {	4176	$AnyEvent::BDB::WATCHER->priority (1);
2563	my $status;
2564	my $current = $Coro::current;
2565	(
2566	sub {
2567	$status = $!;
2568	$current->ready; undef $current;
2569	},
2570	sub {
2571	Coro::schedule while defined $current;
2572	$! = $status;
2573	},
2574	)
2575	};
2576		4177
2577	unless ($DB_ENV) {	4178	unless ($DB_ENV) {
2578	$DB_ENV = BDB::db_env_create;	4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2579		4185
2580	cf::sync_job {	4186	cf::sync_job {
2581	eval {	4187	eval {
2582	BDB::db_env_open	4188	BDB::db_env_open
2583	$DB_ENV,	4189	$DB_ENV,
2584	$BDB_ENV_DIR,	4190	$BDBDIR,
2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	4193	0666;
2588		4194
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590
2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592	$DB_ENV->set_lk_detect;
2593	};	4196	};
2594		4197
2595	cf::cleanup "db_env_open(db): $@" if $@;	4198	cf::cleanup "db_env_open(db): $@" if $@;
2596	};	4199	};
2597	}	4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
2598	}	4211	}
2599		4212
2600	{	4213	{
		4214	# configure IO::AIO
		4215
2601	IO::AIO::min_parallel 8;	4216	IO::AIO::min_parallel 8;
2602
2603	undef $Coro::AIO::WATCHER;
2604	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
2605	$AIO_POLL_WATCHER = Event->io (	4218	undef $AnyEvent::AIO::WATCHER;
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	fd => IO::AIO::poll_fileno,
2609	poll => 'r',
2610	prio => 6,
2611	cb => \&IO::AIO::poll_cb,
2612	);
2613	}	4219	}
		4220
		4221	our $_log_backtrace;
		4222	our $_log_backtrace_last;
		4223
		4224	sub _log_backtrace {
		4225	my ($msg, @addr) = @_;
		4226
		4227	$msg =~ s/\n$//;
		4228
		4229	if ($_log_backtrace_last eq $msg) {
		4230	LOG llevInfo, "[ABT] $msg\n";
		4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4232	# limit the # of concurrent backtraces
		4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
		4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
		4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
		4240	my @bt = fork_call {
		4241	@addr = map { sprintf "%x", $_ } @addr;
		4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4244	or die "addr2line: $!";
		4245
		4246	my @funcs;
		4247	my @res = <$fh>;
		4248	chomp for @res;
		4249	while (@res) {
		4250	my ($func, $line) = splice @res, 0, 2, ();
		4251	push @funcs, "[$func] $line";
		4252	}
		4253
		4254	@funcs
		4255	};
		4256
		4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4259	LOG llevInfo, "[ABT] $_\n" for @bt;
		4260	--$_log_backtrace;
		4261	};
		4262	} else {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4265	}
		4266	}
		4267
		4268	# load additional modules
		4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
2614		4271
2615	END { cf::emergency_save }	4272	END { cf::emergency_save }
2616		4273
2617	1	4274	1
2618		4275

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