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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 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;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
27		62
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	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";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
29		78
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		80
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		82
37	our %COMMAND = ();	83	our %COMMAND = ();
38	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
39		85
40	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
44		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	93	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
47		96
48	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	98
50	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
51	our $WRITE_RUNTIME_WATCHER;	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(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	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;
53	our $NOW;	138	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		139
56	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
57	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
58
59	our %CFG;
60
61	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;
63
64	our %PLAYER; # all users
65	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		143
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
76	binmode STDOUT;	160	binmode STDOUT;
77	binmode STDERR;	161	binmode STDERR;
78		162
79	# read virtual server time, if available	163	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
84	}	168	}
85		169
86	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	171
88	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		174
93	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
94		176
95	sub cf::map::normalise;	177	sub cf::map::normalise;
96		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
97	#############################################################################	183	#############################################################################
98		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
99	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
100		197
101	=over 4	198	=over 4
102		199
103	=item $cf::UPTIME	200	=item $cf::UPTIME
104		201
105	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.
106		218
107	=item $cf::RUNTIME	219	=item $cf::RUNTIME
108		220
109	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
110	every server tick.	222	every server tick.
111		223
112	=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
113		227
114	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		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
117	=item $cf::NOW	239	=item $cf::LOAD
118		240
119	The time of the last (current) server tick.	241	The raw value load value from the last tick.
120
121	=item $cf::TICK
122
123	The interval between server ticks, in seconds.
124		242
125	=item %cf::CFG	243	=item %cf::CFG
126		244
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	246	from wherever your confdir points to.
129		247
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		249
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
134	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
136		282
137	=back	283	=back
138		284
139	=cut	285	=cut
140		286
141	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
142	*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 {
143	my $msg = join "", @_;	294	my $msg = join "", @_;
144	utf8::encode $msg;
145		295
146	$msg .= "\n"	296	$msg .= "\n"
147	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
148		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
149	LOG llevError, $msg;	301	LOG llevWarn, $msg;
150	};	302	};
151	}	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	};
152		317
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		325
160	# 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
161	# within the Safe compartment.	327	# within the Safe compartment.
162	for my $pkg (qw(	328	for my $pkg (qw(
163	cf::global cf::attachable	329	cf::global cf::attachable
164	cf::object cf::object::player	330	cf::object cf::object::player
165	cf::client cf::player	331	cf::client cf::player
166	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
167	cf::map cf::party cf::region	334	cf::party cf::region
168	)) {	335	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	337	}
172		338
173	$Event::DIED = sub {	339	$EV::DIED = sub {
174	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
175	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
176		349
177	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
178		351
179	=over 4	352	=over 4
180		353
…		…
199	$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;
200	$d	373	$d
201	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
202	}	375	}
203		376
204	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
205		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
206	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
207		392
208	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
209		394
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
218		396
219	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
220		398
221	=cut	399	=cut
222		400
223	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
225	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	}
226	}	466	}
227		467
228	=item cf::lock_wait $string	468	=item cf::lock_wait $string
229		469
230	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
231		471
232	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
233		473
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
237	returned.	477	returned.
238		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
239	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
240	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
241		484
242	=cut	485	=item $locked = cf::lock_active $string
243		486
244	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;
245		492
246	sub lock_wait($) {	493	sub lock_wait($) {
247	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	495	}
255		496
256	sub lock_acquire($) {	497	sub lock_acquire($) {
257	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
258		500
259	# wait, to be sure we are not locked	501	sub lock_active($) {
260	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	503	}
269		504
270	sub freeze_mainloop {	505	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
272		507
273	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	509	}
275	$WRITE_RUNTIME_WATCHER->start;	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	}
276	};	578	}
277	$WRITE_RUNTIME_WATCHER->stop;	579	};
278	$TICK_WATCHER->stop;	580
279	$guard	581	sub get_slot($;$$) {
		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;
280	}	594	}
281		595
282	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
283		597
284	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		603
290	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
291		605
292	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
293		607
294	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
295	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
296	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.
297		612
298	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
299	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
300	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
301	fast or be very important.	616	fast or be very important.
…		…
303	=cut	618	=cut
304		619
305	sub sync_job(&) {	620	sub sync_job(&) {
306	my ($job) = @_;	621	my ($job) = @_;
307		622
308	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
309	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
311		628
312	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	630
314	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
315		632
316	my $busy = 1;	633	my $busy = 1;
317	my @res;	634	my @res;
318		635
319	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	638	@res = eval { $job->() };
321	warn $@ if $@;	639	error $@ if $@;
322	undef $busy;	640	undef $busy;
323	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
324		642
325	while ($busy) {	643	while ($busy) {
326	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
327	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
328		654
329	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
330	} else {	656	} else {
331	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
332		658
…		…
352	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
353		679
354	$coro	680	$coro
355	}	681	}
356		682
357	sub write_runtime {	683	=item fork_call { }, @args
358	my $runtime = cf::localdir . "/runtime";
359		684
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
361	or return;	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 $value = $cf::RUNTIME + 90 + 10;	690	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		691
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub post_fork {
368	and return;	693	reset_signals;
		694	}
369		695
370	# always fsync - this file is important	696	sub fork_call(&@) {
371	aio_fsync $fh	697	my ($cb, @args) = @_;
372	and return;
373		698
374	close $fh	699	# we seemingly have to make a local copy of the whole thing,
375	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
376		702
377	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
378	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
379		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
380	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 });
381	}	886	}
382		887
383	=back	888	=back
384		889
385	=cut	890	=cut
386		891
387	#############################################################################	892	#############################################################################
388		893
389	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
390		895
391	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
392	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")
393	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
394		899
395	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>
396	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
397	crossfire+).	902	Deliantra).
398		903
399	=over 4	904	=over 4
400		905
401	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
402		907
…		…
446	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
447		952
448	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
449	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
450		955
451	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
452	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.
453		958
454	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
455		960
456	=over 4	961	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
566		1071
567	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		1076
572	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
574		1079
575	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
580		1085
581	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		1088
584	} elsif (ref $type) {	1089	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
586		1091
587	} else {	1092	} else {
588	shift @arg;	1093	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
590	}	1095	}
591	}	1096	}
592	}	1097	}
593		1098
594	sub _object_attach {	1099	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
605	}	1110	}
606		1111
607	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
608	} else {	1113	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1115	}
611		1116
612	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
613	}	1118	}
614		1119
…		…
616	if (ref $_[0]) {	1121	if (ref $_[0]) {
617	_object_attach @_;	1122	_object_attach @_;
618	} else {	1123	} else {
619	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
620	}	1125	}
		1126	_recalc_want;
621	};	1127	};
622		1128
623	# all those should be optimised	1129	# all those should be optimised
624	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1135	reattach ($obj);
630	} else {	1136	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
632	}	1138	}
		1139	_recalc_want;
633	};	1140	};
634		1141
635	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
637		1144
…		…
652	";	1159	";
653	die if $@;	1160	die if $@;
654	}	1161	}
655		1162
656	our $override;	1163	our $override;
657	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?
658		1165
659	sub override {	1166	sub override {
660	$override = 1;	1167	$override = 1;
661	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
662	}	1169	}
663		1170
664	sub do_invoke {	1171	sub do_invoke {
665	my $event = shift;	1172	my $event = shift;
666	my $callbacks = shift;	1173	my $callbacks = shift;
667		1174
668	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
669		1176
670	local $override;	1177	local $override;
671		1178
672	for (@$callbacks) {	1179	for (@$callbacks) {
673	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
674		1181
675	if ($@) {	1182	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1184	override;
679	}	1185	}
680		1186
681	return 1 if $override;	1187	return 1 if $override;
682	}	1188	}
683		1189
684	0	1190	0
685	}	1191	}
686		1192
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1194
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1196
691	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
692		1198
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1202
697	=back	1203	=back
698		1204
699	=cut	1205	=cut
700		1206
701	#############################################################################	1207	#############################################################################
702	# 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	}
703		1251
704	sub reattach {	1252	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1254	my ($obj) = @_;
707		1255
		1256	# no longer needed after getting rid of delete_package?
708	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
709		1258
710	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
711		1260
712	@$registry = ();	1261	@$registry = ();
713		1262
…		…
718	for (@$attach) {	1267	for (@$attach) {
719	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
721	}	1270	}
722	} else {	1271	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1273	}
725	}	1274	}
726	}	1275	}
727		1276
728	cf::attachable->attach (	1277	cf::attachable->attach (
729	prio => -1000000,	1278	prio => -1000000,
730	on_instantiate => sub {	1279	on_instantiate => sub {
731	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
732		1281
733	$data = from_json $data;	1282	$data = decode_json $data;
734		1283
735	for (@$data) {	1284	for (@$data) {
736	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
737		1286
738	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1303	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
756		1305
757	sync_job {	1306	sync_job {
758	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
761		1312
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	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	}
766	close $fh;	1320	aio_close $fh;
767		1321
768	if (@$objs) {	1322	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
773	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	}
774	close $fh;	1331	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
776	}	1333	}
777	} else {	1334	} else {
778	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
779	}	1336	}
780		1337
781	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1342	} else {
783	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
784	}	1344	}
785	} else {	1345	} else {
786	aio_unlink $filename;	1346	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
788	}	1348	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1349	};
796	}	1350	}
797		1351
798	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
800		1354
…		…
805		1359
806	sub object_thawer_load {	1360	sub object_thawer_load {
807	my ($filename) = @_;	1361	my ($filename) = @_;
808		1362
809	my ($data, $av);	1363	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1364
814	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
815	or return;	1366	or return;
816		1367
817	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
819	or return;	1370	or return;
		1371
820	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
821	}	1374	}
822		1375
		1376	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
825	return ($data, $av);	1381	($data, $av)
826	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
827		1389
828	#############################################################################	1390	#############################################################################
829	# command handling &c	1391	# command handling &c
830		1392
831	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1407	}
846		1408
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1410
849	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.
850		1416
851	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
852	called.	1418	called.
853		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
854	=cut	1431	=cut
855		1432
856	sub register_extcmd {	1433	sub register_extcmd {
857	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
858		1435
859	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
860	}	1437	}
861		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
862	cf::player->attach (	1447	cf::player->attach (
863	on_command => sub {	1448	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
865		1450
866	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
867	or return;	1452	or return;
868		1453
…		…
873	cf::override;	1458	cf::override;
874	},	1459	},
875	on_extcmd => sub {	1460	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
877		1462
878	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1464
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
886	} else {	1480	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1482	}
889		1483
890	cf::override;	1484	cf::override;
891	},	1485	},
892	);	1486	);
893		1487
		1488	# "readahead" all extensions
894	sub load_extension {	1489	sub cache_extensions {
895	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
896		1491
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1495	}
922	die $@;
923	}	1496	};
924		1497
925	push @EXTS, $pkg;	1498	$grp
926	}	1499	}
927		1500
928	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
929	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1508	next unless -r $path;
931	eval {	1509
932	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	}
933	1	1573	}
934	} 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	}
935	}	1586	};
936	}	1587	}
937		1588
938	#############################################################################	1589	#############################################################################
939		1590
		1591	=back
		1592
940	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
941		1594
942	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
943		1596
944	=cut	1597	=cut
945		1598
946	package cf::player;	1599	package cf::player;
947		1600
…		…
949		1602
950	=head3 cf::player	1603	=head3 cf::player
951		1604
952	=over 4	1605	=over 4
953		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
954	=item cf::player::find $login	1621	=item cf::player::find $login
955		1622
956	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
957		1624
958	=cut	1625	=cut
959		1626
960	sub playerdir($) {	1627	sub playerdir($) {
961	cf::localdir	1628	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1630	}
967		1631
968	sub path($) {	1632	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1634
971	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
972	}	1636	}
973		1637
974	sub find_active($) {	1638	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
979		1643
980	sub exists($) {	1644	sub exists($) {
981	my ($login) = @_;	1645	my ($login) = @_;
982		1646
983	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
985	}	1649	}
986		1650
987	sub find($) {	1651	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1653	my $login = $_[0];
990		1654
991	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
992		1656
993	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
994	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
995	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;
996	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
997	}	1674	}
998	}	1675	}
999	}	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	);
1000		1690
1001	sub save($) {	1691	sub save($) {
1002	my ($pl) = @_;	1692	my ($pl) = @_;
1003		1693
1004	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1010		1700
1011	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1013		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
1014	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1015	Coro::cede;	1710	cf::cede_to_tick;
1016	}	1711	}
1017		1712
1018	sub new($) {	1713	sub new($) {
1019	my ($login) = @_;	1714	my ($login) = @_;
1020		1715
…		…
1026	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1027		1722
1028	$self	1723	$self
1029	}	1724	}
1030		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
1031	=item $pl->quit_character	1736	=item $pl->quit_character
1032		1737
1033	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
1034	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1035		1740
1036	=cut	1741	=cut
1037		1742
1038	sub quit_character {	1743	sub quit_character {
1039	my ($pl) = @_;	1744	my ($pl) = @_;
1040		1745
		1746	my $name = $pl->ob->name;
		1747
1041	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1042	$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
1043		1750
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1047	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1048		1759
1049	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1764	$pl->destroy;
		1765
		1766	my $prefix = qr<^~\Q$name\E/>;
		1767
		1768	# nuke player maps
		1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1770
1054	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
		1772	}
		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;
1055	}	1786	}
1056		1787
1057	=item cf::player::list_logins	1788	=item cf::player::list_logins
1058		1789
1059	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
1060	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1061		1792
1062	=cut	1793	=cut
1063		1794
1064	sub list_logins {	1795	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1797	or return [];
1067		1798
1068	my @logins;	1799	my @logins;
1069		1800
1070	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") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1074		1811
1075	utf8::decode $login;	1812	utf8::decode $login;
1076	push @logins, $login;	1813	push @logins, $login;
1077	}	1814	}
1078		1815
1079	\@logins	1816	\@logins
1080	}	1817	}
1081		1818
1082	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1083		1822
1084	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1085	player. May block.	1824	player. May block.
1086		1825
1087	=cut	1826	=cut
…		…
1105	}	1844	}
1106		1845
1107	\@paths	1846	\@paths
1108	}	1847	}
1109		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1111		1854
1112	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1113		1856
1114	=cut	1857	=cut
1115		1858
1116	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1118		1861
1119	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1863	}
1123		1864
1124	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		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	}
1125		1907
1126	=back	1908	=back
1127
1128		1909
1129	=head3 cf::map	1910	=head3 cf::map
1130		1911
1131	=over 4	1912	=over 4
1132		1913
…		…
1144	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1146		1927
1147	sub generate_random_map {	1928	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1150	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region}), $rmp->{custom}
1162	)
1163	}	1934	}
1164		1935
1165	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1166		1937
1167	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
…		…
1172		1943
1173	sub register {	1944	sub register {
1174	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	1946	my $pkg = caller;
1176		1947
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		1949
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	1951	}
1182		1952
1183	# also paths starting with '/'	1953	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		1955
1186	sub thawer_merge {	1956	sub thawer_merge {
1187	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1188		1958
1189	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1190	local $self->{path};	1960	local $self->{path};
1191	local $self->{load_path};	1961	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1962
1195	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1196	}	1964	}
1197		1965
1198	sub normalise {	1966	sub normalise {
1199	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1200		1968
1201	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1202		1970
1203	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1204		1972
1205	# map plan:	1973	# map plan:
1206	#	1974	#
…		…
1221	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	1990	$path = "$base/$path";
1223	}	1991	}
1224		1992
1225	for ($path) {	1993	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1229	}	1996	}
1230		1997
1231	$path	1998	$path
…		…
1245	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1246	return $self;	2013	return $self;
1247	}	2014	}
1248	}	2015	}
1249		2016
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	2018	()
1252	}	2019	}
1253		2020
		2021	# may re-bless or do other evil things
1254	sub init {	2022	sub init {
1255	my ($self) = @_;	2023	my ($self) = @_;
1256		2024
1257	$self	2025	$self
1258	}	2026	}
…		…
1270		2038
1271	# the original (read-only) location	2039	# the original (read-only) location
1272	sub load_path {	2040	sub load_path {
1273	my ($self) = @_;	2041	my ($self) = @_;
1274		2042
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1276	}	2044	}
1277		2045
1278	# the temporary/swap location	2046	# the temporary/swap location
1279	sub save_path {	2047	sub save_path {
1280	my ($self) = @_;	2048	my ($self) = @_;
1281		2049
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1284	}	2052	}
1285		2053
1286	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1287	sub uniq_path {	2055	sub uniq_path {
1288	my ($self) = @_;	2056	my ($self) = @_;
1289		2057
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1292	}	2060	}
1293		2061
1294	# and all this just because we cannot iterate over	2062	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2063	my ($self) = @_;
1298		2064
1299	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1301	}	2068	}
1302		2069
1303	sub unlink_save {	2070	sub unlink_save {
1304	my ($self) = @_;	2071	my ($self) = @_;
1305		2072
1306	utf8::encode (my $save = $self->save_path);	2073	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2074	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2075	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	2076	}
1315		2077
1316	sub load_header_from($) {	2078	sub load_header_from($) {
1317	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1318		2080
1319	utf8::encode $path;	2081	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2083	or return;
1325		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1326	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1327		2092
1328	1	2093	1
1329	}	2094	}
1330		2095
		2096	# used to laod the header of an original map
1331	sub load_header_orig {	2097	sub load_header_orig {
1332	my ($self) = @_;	2098	my ($self) = @_;
1333		2099
1334	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1335	}	2101	}
1336		2102
		2103	# used to laod the header of an instantiated map
1337	sub load_header_temp {	2104	sub load_header_temp {
1338	my ($self) = @_;	2105	my ($self) = @_;
1339		2106
1340	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1341	}	2108	}
1342		2109
		2110	# called after loading the header from an instantiated map
1343	sub prepare_temp {	2111	sub prepare_temp {
1344	my ($self) = @_;	2112	my ($self) = @_;
1345		2113
1346	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1347	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1348	# safety	2116	# safety
1349	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1350	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1351	}	2119	}
1352		2120
		2121	# called after loading the header from an original map
1353	sub prepare_orig {	2122	sub prepare_orig {
1354	my ($self) = @_;	2123	my ($self) = @_;
1355		2124
1356	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1357	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1368	$self->load_header_orig	2137	$self->load_header_orig
1369	or return;	2138	or return;
1370	$self->prepare_orig;	2139	$self->prepare_orig;
1371	}	2140	}
1372		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 $self->default_region;
		2147
1373	1	2148	1
1374	}	2149	}
1375		2150
1376	sub find;	2151	sub find;
1377	sub find {	2152	sub find {
1378	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1379		2154
		2155	cf::cede_to_tick;
		2156
1380	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1381		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2161
1384	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1387	or return;	2164	or return;
1388		2165
1389	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1390		2167
1391	$map->load_header	2168	$map->load_header
1392	or return;	2169	or return;
1393		2170
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1397	$map->reset;	2176	$map->reset;
1398	undef $guard;
1399	return find $path;	2177	return find $path;
1400	}	2178	}
1401		2179
1402	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1403	}	2181	}
1404	}	2182	}
1405		2183
1406	sub pre_load { }	2184	sub pre_load { }
1407	sub post_load { }	2185	#sub post_load { } # XS
1408		2186
1409	sub load {	2187	sub load {
1410	my ($self) = @_;	2188	my ($self) = @_;
1411		2189
1412	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1413		2191
1414	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1416		2196
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1418		2199
1419	$self->in_memory (cf::MAP_LOADING);
1420
1421	$self->alloc;	2200	$self->alloc;
1422		2201
1423	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1424		2204
1425	$self->_load_objects ($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)
1426	or return;	2209	or return;
1427		2210
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1429	if delete $self->{load_original};	2212	if delete $self->{load_original};
1430		2213
1431	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2215	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2218	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1436	}	2223	}
1437	}
1438		2224
1439	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1440		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1441	# now do the right thing for maps	2234	# now do the right thing for maps
1442	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2237	unless $self->difficulty;
1452	Coro::cede;	2238	cf::cede_to_tick;
1453	$self->activate;	2239
		2240	unless ($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);
1454	}	2250	}
1455		2251
1456	$self->post_load;	2252	$self->post_load;
1457		2253
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1459	}	2255	}
1460		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2260	sub customise_for {
1462	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1463		2262
1464	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2264	if $self->per_player;
1466		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1467	$self	2269	$self
1468	}
1469
1470	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {
1472	my ($map) = @_;
1473
1474	my @diag; # diagonal neighbours
1475
1476	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)
1478	or next;
1479	$neigh = find $neigh, $map
1480	or next;
1481	$neigh->load;
1482
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}
1486
1487	for (@diag) {
1488	my $neigh = find @$_
1489	or next;
1490	$neigh->load;
1491	}
1492	}	2270	}
1493		2271
1494	sub find_sync {	2272	sub find_sync {
1495	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1496		2274
1497	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1498	}	2280	}
1499		2281
1500	sub do_load_sync {	2282	sub do_load_sync {
1501	my ($map) = @_;	2283	my ($map) = @_;
1502		2284
1503	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1504	}	2290	}
1505		2291
1506	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1508		2294
1509	sub find_async {	2295	sub find_async {
1510	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1511		2297
1512	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1513		2299
1514	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1516	}	2302	}
1517		2303
1518	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1519	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1520	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2311	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2312	$map->load if $v;
		2313	}
1525		2314
1526	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1527	}	2316	}
1528	}	2317	}
1529	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1530	};	2319	};
1531	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1532		2321
1533	()	2322	()
1534	}	2323	}
1535		2324
		2325	# common code, used by both ->save and ->swapout
1536	sub save {	2326	sub _save {
1537	my ($self) = @_;	2327	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2328
1541	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1542		2330
1543	return unless $self->dirty;	2331	return unless $self->dirty;
1544		2332
…		…
1550	return if $self->{deny_save};	2338	return if $self->{deny_save};
1551		2339
1552	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1553		2341
1554	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1556	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1557		2348
1558	if ($uniq) {	2349	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2352	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2354	}
1564	}	2355	}
1565		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1566	sub swap_out {	2365	sub swap_out {
1567	my ($self) = @_;	2366	my ($self) = @_;
1568		2367
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1574	return if $self->players;	2372	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1578	$self->clear;	2383	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2384	}
1581		2385
1582	sub reset_at {	2386	sub reset_at {
1583	my ($self) = @_;	2387	my ($self) = @_;
1584		2388
1585	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1588		2391
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2394
…		…
1602	my ($self) = @_;	2405	my ($self) = @_;
1603		2406
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2408
1606	return if $self->players;	2409	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2410
1609	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
		2412
		2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
1610		2422
1611	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1612		2424
1613	$self->in_memory (cf::MAP_SWAPPED);	2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2427	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2428
1618	$self->unlink_save;	2429	$self->unlink_save;
1619	$self->destroy;	2430	$self->destroy;
1620	}	2431	}
1621		2432
1622	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1623		2434
1624	sub nuke {	2435	sub nuke {
1625	my ($self) = @_;	2436	my ($self) = @_;
1626		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1627	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1628		2442
1629	$self->unlink_save;	2443	$self->unlink_save;
1630		2444
1631	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2450
1637	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1638		2453
1639	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1640	}	2491	}
1641		2492
1642	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1643		2494
1644	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2496	instantiated unique items. May block.
1646		2497
1647	=cut	2498	=cut
1648		2499
1649	sub unique_maps() {	2500	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2501	[
1651	or return;	2502	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2503	utf8::decode $_;
1657	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2506	? ()
1660	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2509	]
1662
1663	\@paths
1664	}	2510	}
1665		2511
1666	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
1667		2543
1668	=back	2544	=back
1669		2545
1670	=head3 cf::object	2546	=head3 cf::object
1671		2547
…		…
1675		2551
1676	=over 4	2552	=over 4
1677		2553
1678	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1679		2555
1680	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1681		2558
1682	=cut	2559	=cut
1683		2560
1684	sub inv_recursive_;	2561	sub inv_recursive_;
1685	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1688		2565
1689	sub inv_recursive {	2566	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1691	}	2568	}
1692		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1693	package cf;	2598	package cf;
1694		2599
1695	=back	2600	=back
1696		2601
1697	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1706		2611
1707	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1708		2627
1709	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2629	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1714		2633
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2635
1717	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1719	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1722	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1723	}	2661	}
1724		2662
1725	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1726		2664
1727	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1740		2678
1741	=item $player_object->enter_link	2679	=item $player_object->enter_link
1742		2680
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2682
1745	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1747		2687
1748	Will never block.	2688	Will never block.
1749		2689
1750	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1751		2691
…		…
1771	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2712	my ($self) = @_;
1773		2713
1774	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1775		2715
		2716	++$self->{_link_recursion};
		2717
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2719
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1780		2722
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2724	}
1783		2725
1784	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1786		2730
1787	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1788		2732
1789	unless ($map) {	2733	unless ($map) {
1790	# restore original map position	2734	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1803		2747
1804	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1807		2751
1808	$map->load;	2752	$map->load;
1809	$map->load_diag;
1810		2753
1811	return unless $self->contr->active;	2754	return unless $self->contr->active;
		2755
		2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2757	if ($self->enter_map ($map, $x, $y)) {
		2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2761	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2762	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2763
1830	# try to abort aborted map switching on player login :)	2764	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2765
1848	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2767
		2768	Moves the player to the given map-path and coordinates by first freezing
		2769	her, loading and preparing them map, calling the provided $check callback
		2770	that has to return the map if sucecssful, and then unfreezes the player on
		2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1850	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1851		2780
1852	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2792
1855	$self->enter_link;	2793	$self->enter_link;
1856		2794
1857	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
1858	my $map = eval {	2817	my $map = eval {
1859	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2821	$map = $map->customise_for ($self);
		2822	$map = $check->($map, $x, $y, $self) if $check && $map;
		2823	} else {
		2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2825	}
		2826
1861	$map	2827	$map
		2828	};
		2829
		2830	if ($@) {
		2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2832	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2833	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1866	})->prio (1);	2841	})->prio (1);
1867	}	2842	}
1868		2843
1869	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1870		2845
…		…
1890	}	2865	}
1891		2866
1892	sub prepare_random_map {	2867	sub prepare_random_map {
1893	my ($exit) = @_;	2868	my ($exit) = @_;
1894		2869
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2872	# that depends on the exit object
1900		2873
1901	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2876	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
1908	}	2883	}
1909		2884
1910	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
1911		2886
1912	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
1915		2890
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2893	undef $fh;
1919	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
1920		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
1923	}	2902	}
1924	}	2903	}
1925		2904
1926	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
1928		2907
1929	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
1930		2909
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2910	$self->enter_link;
1941		2911
1942	(async {	2912	(async {
1943	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
1944	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
1945	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
1946		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
1947	1;	2951	1
1948	}) {	2952	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2957
1954	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2959	$self->leave_link;
1956	}	2960	}
1957	})->prio (1);	2961	})->prio (1);
1958	}	2962	}
1959		2963
…		…
1970		2974
1971	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
1973		2977
1974	utf8::encode $text;	2978	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2980	}
1977		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
		3169	=item $client->ext_msg ($type, @msg)
		3170
		3171	Sends an ext event to the client.
		3172
		3173	=cut
		3174
		3175	sub cf::client::ext_msg($$@) {
		3176	my ($self, $type, @msg) = @_;
		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
		3181	push @msg, msgtype => "event_$type";
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
		3202	}
1978		3203
1979	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
1980		3205
1981	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3209
1985	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3211	become reliable at some point in the future.
1987		3212
1988	=cut	3213	=cut
1989		3214
1990	sub cf::client::query {	3215	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3224	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3226
2002	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2004	}	3231	}
2005		3232
2006	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2007	on_reply => sub {	3239	on_reply => sub {
2008	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2009		3241
2010	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2011	# get handled first	3243	# get handled first
…		…
2023	} else {	3255	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3257	}
2026	}	3258	}
2027	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2028	);	3286	);
2029		3287
2030	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2031		3289
2032	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3306
2049	$coro	3307	$coro
2050	}	3308	}
2051		3309
2052	cf::client->attach (	3310	cf::client->attach (
2053	on_destroy => sub {	3311	on_client_destroy => sub {
2054	my ($ns) = @_;	3312	my ($ns) = @_;
2055		3313
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3315	},
2058	);	3316	);
…		…
2073	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2075		3333
2076	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2077		3335
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2079		3341
2080	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2081		3343
2082	=pod	3344	=pod
2083		3345
2084	The following fucntions and emthods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2085		3347
2086	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2087	cf::object::player player	3353	cf::object::player
2088	cf::player peaceful	3354	player
2089	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2090		3361
2091	=cut	3362	=cut
2092		3363
2093	for (	3364	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2098	) {	3371	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3374	for @funs;
2103	}	3375	}
2104		3376
…		…
2119		3391
2120	my $qcode = $code;	3392	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2123		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2124	local $_;	3399	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3400
2127	my $eval =	3401	my $eval =
2128	"do {\n"	3402	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3405	. $code
2132	. "\n}"	3406	. "\n}"
2133	;	3407	;
2134		3408
		3409	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2138		3418
2139	if ($@) {	3419	if ($@) {
2140	warn "$@";	3420	warn "$@",
2141	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2143	}	3423	}
2144		3424
2145	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2146	}	3426	}
2147		3427
…		…
2161	=cut	3441	=cut
2162		3442
2163	sub register_script_function {	3443	sub register_script_function {
2164	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2165		3445
2166	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2168	}	3448	}
2169		3449
2170	=back	3450	=back
2171		3451
2172	=cut	3452	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3453
2282	#############################################################################	3454	#############################################################################
2283	# the server's init and main functions	3455	# the server's init and main functions
2284		3456
		3457	sub load_facedata($) {
		3458	my ($path) = @_;
		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
		3466	trace "loading facedata from $path\n";
		3467
		3468	my $facedata = decode_storable load_file $path;
		3469
		3470	$facedata->{version} == 2
		3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
		3482	{
		3483	my $faces = $facedata->{faceinfo};
		3484
		3485	while (my ($face, $info) = each %$faces) {
		3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
		3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
		3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
		3495	}
		3496
		3497	while (my ($face, $info) = each %$faces) {
		3498	next unless $info->{smooth};
		3499
		3500	my $idx = cf::face::find $face
		3501	or next;
		3502
		3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
		3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3506	} else {
		3507	error "smooth face '$info->{smooth}' not found for face '$face'";
		3508	}
		3509
		3510	cf::cede_to_tick;
		3511	}
		3512	}
		3513
		3514	{
		3515	my $anims = $facedata->{animinfo};
		3516
		3517	while (my ($anim, $info) = each %$anims) {
		3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3519	cf::cede_to_tick;
		3520	}
		3521
		3522	cf::anim::invalidate_all; # d'oh
		3523	}
		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
		3544	1
		3545	}
		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
2285	sub load_resources {	3555	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
		3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
		3570	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3571	or die "unable to load regions file\n";
2288	}
2289		3572
2290	sub cfg_load {	3573	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3574	$_->{match} = qr/$_->{match}/
2292	or return;	3575	if exists $_->{match};
		3576	}
		3577	}
2293		3578
2294	local $/;	3579	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3580	load_facedata "$DATADIR/facedata"
		3581	or die "unable to load facedata\n";
		3582	}
2296		3583
		3584	sub reload_archetypes {
		3585	load_resource_file "$DATADIR/archetypes"
		3586	or die "unable to load archetypes\n";
		3587	}
		3588
		3589	sub reload_treasures {
		3590	load_resource_file "$DATADIR/treasures"
		3591	or die "unable to load treasurelists\n";
		3592	}
		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
		3614	sub reload_resources {
		3615	trace "reloading resource files...\n";
		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
		3622	reload_regions;
		3623	reload_treasures;
		3624
		3625	trace "finished reloading resource files\n";
		3626	}
		3627
		3628	sub reload_config {
		3629	trace "reloading config file...\n";
		3630
		3631	my $config = load_file "$CONFDIR/config";
		3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
		3634
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3636
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3639
2302	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2306	};	3644	};
2307	warn $@ if $@;	3645	warn $@ if $@;
2308	}	3646	}
2309	}	3647	}
2310		3648
2311	sub init {	3649	sub pidfile() {
2312	load_resources;	3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3675	}
2314		3676
2315	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2316	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3690	(async {
2320	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2322	};	3694	};
2323		3695
2324	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
		3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2326	load_extensions;	3719	load_extensions;
2327		3720
2328	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2330	}	3739	}
2331		3740
2332	#############################################################################	3741	#############################################################################
2333	# initialisation and cleanup	3742	# initialisation and cleanup
2334		3743
2335	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2336	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2345	},
2346	);	3750	};
		3751	}
		3752	}
		3753
		3754	sub write_runtime_sync {
		3755	my $t0 = AE::time;
		3756
		3757	# first touch the runtime file to show we are still running:
		3758	# the fsync below can take a very very long time.
		3759
		3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3761
		3762	my $guard = cf::lock_acquire "write_runtime";
		3763
		3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3765	or return;
		3766
		3767	my $value = $cf::RUNTIME + 90 + 10;
		3768	# 10 is the runtime save interval, for a monotonic clock
		3769	# 60 allows for the watchdog to kill the server.
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	# touch it again to show we are up-to-date
		3779	aio_utime $fh, undef, undef;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3785	and return;
		3786
		3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3788
2347	}	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2348	}	3840	}
2349		3841
2350	sub emergency_save() {	3842	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2352		3844
2353	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2354		3851
2355	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2356	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3863	$pl->save;
2364	}	3864	}
2365	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2366		3866
2367	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3872	$map->valid or next;
2371	$map->save;	3873	$map->save;
2372	}	3874	}
2373	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
		3876
		3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
		3880	BDB::db_env_txn_checkpoint $DB_ENV;
		3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2374	};	3905	};
2375		3906
2376	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2377	}	3908	}
2378		3909
		3910	sub post_cleanup {
		3911	my ($make_core) = @_;
		3912
		3913	IO::AIO::flush;
		3914
		3915	error Carp::longmess "post_cleanup backtrace"
		3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
		3945	}
		3946
2379	sub reload() {	3947	sub do_reload_perl() {
2380	# can/must only be called in main	3948	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2382	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2383	return;	3951	return;
2384	}	3952	}
2385		3953
2386	warn "reloading...";	3954	return if $RELOAD++;
2387		3955
2388	warn "cancelling server ticker";	3956	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
		3964	cf::sync_job {
2391	cf::emergency_save;	3965	#cf::emergency_save;
2392		3966
2393	eval {
2394	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";
2405	for (;;) {
2406	IO::AIO::flush;
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3969	%EXT_CORO = ();
2415		3970
2416	warn "removing commands";	3971	trace "perl_reload: removing commands";
2417	%COMMAND = ();	3972	%COMMAND = ();
2418		3973
2419	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2421		3977
2422	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2425		3981
2426	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2427	eval {	3983	eval {
2428	$cb->($pkg);	3984	$cb->($pkg);
2429	1	3985	1
2430	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2431	}	3991	}
2432		3992
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3996
2441	warn "... unloading $k";	3997	trace "... unloading $k";
2442	delete $INC{$k};	3998	delete $INC{$k};
2443		3999
2444	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2446		4002
2447	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2449	}	4008	}
2450		4009
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		4013
2458	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
		4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		4017
2461	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2462	# and global variables created in xs	4019	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2464		4021
2465	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2466		4023
2467	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2468	require cf;	4025	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2470		4027
2471	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	4029	cf::reload_config;
2473	cf::db_load;
2474		4030
2475	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	4032	cf::load_extensions;
2477		4033
		4034	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	4036	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
		4039	trace "perl_reload: reattaching attachments to players";
		4040	reattach $_ for values %PLAYER;
		4041	}
2482		4042
2483	warn "loading reloadable resources";	4043	cf::_post_init 1;
2484	load_resources;
2485		4044
2486	warn "restarting server ticker";	4045	trace "perl_reload: leaving sync_job";
2487		4046
2488	$TICK_WATCHER->start;	4047	1
		4048	} or do {
		4049	error $@;
		4050	cf::cleanup "perl_reload: error, exiting.";
		4051	};
		4052
		4053	--$RELOAD;
		4054	}
		4055
		4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
		4058	};
		4059
		4060	our $RELOAD_WATCHER; # used only during reload
		4061
		4062	sub reload_perl() {
		4063	# doing reload synchronously and two reloads happen back-to-back,
		4064	# coro crashes during coro_state_free->destroy here.
		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
		4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4070	do_reload_perl;
		4071	undef $RELOAD_WATCHER;
		4072	};
2489	};	4073	};
2490		4074	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4075
2502	register_command "reload" => sub {	4076	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2504		4078
2505	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
2507		4081	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4082	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	4083	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4084	};
2520	}	4085	}
2521	};	4086	};
2522		4087
2523	unshift @INC, $LIBDIR;	4088	#############################################################################
2524		4089
2525	my $bug_warning = 0;	4090	my $bug_warning = 0;
2526		4091
2527	$TICK_WATCHER = Event->timer (	4092	sub wait_for_tick() {
2528	reentrant => 0,	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2529	parked => 1,	4094
2530	prio => 0,	4095	$WAIT_FOR_TICK->wait;
2531	at => $NEXT_TICK || $TICK,	4096	}
2532	data => WF_AUTOCANCEL,	4097
2533	cb => sub {	4098	sub wait_for_tick_begin() {
		4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4100
		4101	my $signal = new Coro::Signal;
		4102	push @WAIT_FOR_TICK_BEGIN, $signal;
		4103	$signal->wait;
		4104	}
		4105
		4106	sub tick {
2534	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2537	return;	4110	return;
		4111	}
		4112
		4113	cf::one_tick; # one server iteration
		4114
		4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4116
		4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4119	Coro::async_pool {
		4120	$Coro::current->{desc} = "runtime saver";
		4121	write_runtime_sync
		4122	or error "ERROR: unable to write runtime file: $!";
2538	}	4123	};
		4124	}
2539		4125
2540	$NOW = Event::time;	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2541		4127	$sig->send;
2542	cf::server_tick; # one server iteration	4128	}
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545
2546	$WAIT_FOR_TICK->broadcast;	4129	$WAIT_FOR_TICK->broadcast;
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4130
2549	Event::sweep;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
2550	Coro::cede_notself;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4133
		4134	if (0) {
		4135	if ($NEXT_TICK) {
		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
2551		4139	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4140	}
2561	);	4141	}
2562		4142
2563	{	4143	{
2564	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4145
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
2574		4147	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4149
2590	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4157
2593	cf::sync_job {	4158	cf::sync_job {
		4159	eval {
2594	BDB::db_env_open	4160	BDB::db_env_open
2595	$DB_ENV,	4161	$DB_ENV,
2596	$BDB_ENV_DIR,	4162	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4165	0666;
2600		4166
2601	cf::cleanup "$!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4168	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4169
2604	$DB_ENV->set_lk_detect;	4170	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4171	};
2606	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
2607	}	4183	}
2608		4184
2609	{	4185	{
		4186	# configure IO::AIO
		4187
2610	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	4191	}
2623		4192
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4193	our $_log_backtrace;
2625	reentrant => 0,	4194	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4195
2627	after => 1,	4196	sub _log_backtrace {
2628	interval => 10,	4197	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4198
2630	cb => Coro::unblock_sub {	4199	$msg =~ s/\n$//;
2631	write_runtime	4200
2632	or warn "ERROR: unable to write runtime file: $!";	4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4204	# limit the # of concurrent backtraces
		4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
		4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
		4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
		4212	my @bt = fork_call {
		4213	@addr = map { sprintf "%x", $_ } @addr;
		4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4216	or die "addr2line: $!";
		4217
		4218	my @funcs;
		4219	my @res = <$fh>;
		4220	chomp for @res;
		4221	while (@res) {
		4222	my ($func, $line) = splice @res, 0, 2, ();
		4223	push @funcs, "[$func] $line";
		4224	}
		4225
		4226	@funcs
		4227	};
		4228
		4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4231	LOG llevInfo, "[ABT] $_\n" for @bt;
		4232	--$_log_backtrace;
		4233	};
		4234	} else {
		4235	LOG llevInfo, "[ABT] $msg\n";
		4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4237	}
2634	);	4238	}
		4239
		4240	# load additional modules
		4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
2635		4243
2636	END { cf::emergency_save }	4244	END { cf::emergency_save }
2637		4245
2638	1	4246	1
2639		4247

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