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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.194 by root, Wed Jan 24 22:42:49 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	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" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	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
51	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;
52	our $NOW;	138	our $NOW;
53		139
54	our %CFG;	140	our (%PLAYER, %PLAYER_LOADING); # all users
55		141	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		143
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
70	binmode STDOUT;	160	binmode STDOUT;
71	binmode STDERR;	161	binmode STDERR;
72		162
73	# read virtual server time, if available	163	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
78	}	168	}
79		169
80	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	171
82	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		174
86	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
87		176
		177	sub cf::map::normalise;
		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
88	#############################################################################	183	#############################################################################
89		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
90	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
91		197
92	=over 4	198	=over 4
93		199
94	=item $cf::UPTIME	200	=item $cf::UPTIME
95		201
96	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.
97		218
98	=item $cf::RUNTIME	219	=item $cf::RUNTIME
99		220
100	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
101	every server tick.	222	every server tick.
102		223
103	=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
104		227
105	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		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
108	=item $cf::NOW	239	=item $cf::LOAD
109		240
110	The time of the last (current) server tick.	241	The raw value load value from the last tick.
111
112	=item $cf::TICK
113
114	The interval between server ticks, in seconds.
115		242
116	=item %cf::CFG	243	=item %cf::CFG
117		244
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	246	from wherever your confdir points to.
120		247
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		249
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
127		282
128	=back	283	=back
129		284
130	=cut	285	=cut
131		286
132	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	294	my $msg = join "", @_;
135	utf8::encode $msg;
136		295
137	$msg .= "\n"	296	$msg .= "\n"
138	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
139		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
140	LOG llevError, $msg;	301	LOG llevWarn, $msg;
141	};	302	};
142	}	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	};
143		317
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		325
151	# 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
152	# within the Safe compartment.	327	# within the Safe compartment.
153	for my $pkg (qw(	328	for my $pkg (qw(
154	cf::global cf::attachable	329	cf::global cf::attachable
155	cf::object cf::object::player	330	cf::object cf::object::player
156	cf::client cf::player	331	cf::client cf::player
157	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
158	cf::map cf::party cf::region	334	cf::party cf::region
159	)) {	335	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	337	}
163		338
164	$Event::DIED = sub {	339	$EV::DIED = sub {
165	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
166	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
167		349
168	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
169		351
170	=over 4	352	=over 4
171		353
…		…
190	$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;
191	$d	373	$d
192	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
193	}	375	}
194		376
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
196		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
197	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
198		392
199	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
200		394
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
209		396
210	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
211		398
212	=cut	399	=cut
213		400
214	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
216	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	}
217	}	466	}
218		467
219	=item cf::lock_wait $string	468	=item cf::lock_wait $string
220		469
221	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
222		471
223	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
224		473
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
228	returned.	477	returned.
229		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
230	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
231	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
232		484
233	=cut	485	=item $locked = cf::lock_active $string
234		486
235	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;
236		492
237	sub lock_wait($) {	493	sub lock_wait($) {
238	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	495	}
246		496
247	sub lock_acquire($) {	497	sub lock_acquire($) {
248	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
249		500
250	# wait, to be sure we are not locked	501	sub lock_active($) {
251	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	503	}
260		504
261	sub freeze_mainloop {	505	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
263		507
264	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	509	}
266	$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	}
267	};	578	}
268	$WRITE_RUNTIME_WATCHER->stop;	579	};
269	$TICK_WATCHER->stop;	580
270	$guard	581	sub get_slot($;$$) {
		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;
271	}	594	}
272		595
273	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
274		597
275	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		603
281	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
282		605
283	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
284		607
285	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
288		612
289	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
292	fast or be very important.	616	fast or be very important.
…		…
294	=cut	618	=cut
295		619
296	sub sync_job(&) {	620	sub sync_job(&) {
297	my ($job) = @_;	621	my ($job) = @_;
298		622
299	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
300	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
302		628
303	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	630
305	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
306		632
307	my $busy = 1;	633	my $busy = 1;
308	my @res;	634	my @res;
309		635
310	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	638	@res = eval { $job->() };
312	warn $@ if $@;	639	error $@ if $@;
313	undef $busy;	640	undef $busy;
314	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
315		642
316	while ($busy) {	643	while ($busy) {
317	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
318	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
319		654
320	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
321	} else {	656	} else {
322	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
323		658
…		…
343	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
344		679
345	$coro	680	$coro
346	}	681	}
347		682
348	sub write_runtime {	683	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		684
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
352	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.
353		689
354	my $value = $cf::RUNTIME + 90 + 10;	690	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		691
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub post_fork {
359	and return;	693	reset_signals;
		694	}
360		695
361	aio_fsync $fh	696	sub fork_call(&@) {
362	and return;	697	my ($cb, @args) = @_;
363		698
364	close $fh	699	# we seemingly have to make a local copy of the whole thing,
365	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
366		702
367	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
368	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
369		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
370	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 });
371	}	886	}
372		887
373	=back	888	=back
374		889
375	=cut	890	=cut
376		891
377	#############################################################################	892	#############################################################################
378		893
379	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
380		895
381	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
382	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")
383	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
384		899
385	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>
386	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
387	crossfire+).	902	Deliantra).
388		903
389	=over 4	904	=over 4
390		905
391	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
392		907
…		…
436	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
437		952
438	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
439	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
440		955
441	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
442	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.
443		958
444	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
445		960
446	=over 4	961	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
556		1071
557	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		1076
562	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
564		1079
565	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
570		1085
571	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1088
574	} elsif (ref $type) {	1089	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
576		1091
577	} else {	1092	} else {
578	shift @arg;	1093	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
580	}	1095	}
581	}	1096	}
582	}	1097	}
583		1098
584	sub _object_attach {	1099	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
595	}	1110	}
596		1111
597	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
598	} else {	1113	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1115	}
601		1116
602	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
603	}	1118	}
604		1119
…		…
606	if (ref $_[0]) {	1121	if (ref $_[0]) {
607	_object_attach @_;	1122	_object_attach @_;
608	} else {	1123	} else {
609	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
610	}	1125	}
		1126	_recalc_want;
611	};	1127	};
612		1128
613	# all those should be optimised	1129	# all those should be optimised
614	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1135	reattach ($obj);
620	} else {	1136	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
622	}	1138	}
		1139	_recalc_want;
623	};	1140	};
624		1141
625	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
627		1144
…		…
642	";	1159	";
643	die if $@;	1160	die if $@;
644	}	1161	}
645		1162
646	our $override;	1163	our $override;
647	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?
648		1165
649	sub override {	1166	sub override {
650	$override = 1;	1167	$override = 1;
651	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
652	}	1169	}
653		1170
654	sub do_invoke {	1171	sub do_invoke {
655	my $event = shift;	1172	my $event = shift;
656	my $callbacks = shift;	1173	my $callbacks = shift;
657		1174
658	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
659		1176
660	local $override;	1177	local $override;
661		1178
662	for (@$callbacks) {	1179	for (@$callbacks) {
663	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
664		1181
665	if ($@) {	1182	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1184	override;
669	}	1185	}
670		1186
671	return 1 if $override;	1187	return 1 if $override;
672	}	1188	}
673		1189
674	0	1190	0
675	}	1191	}
676		1192
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1194
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1196
681	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
682		1198
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1202
687	=back	1203	=back
688		1204
689	=cut	1205	=cut
690		1206
691	#############################################################################	1207	#############################################################################
692	# 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	}
693		1251
694	sub reattach {	1252	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1254	my ($obj) = @_;
697		1255
		1256	# no longer needed after getting rid of delete_package?
698	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
699		1258
700	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
701		1260
702	@$registry = ();	1261	@$registry = ();
703		1262
…		…
708	for (@$attach) {	1267	for (@$attach) {
709	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
711	}	1270	}
712	} else {	1271	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1273	}
715	}	1274	}
716	}	1275	}
717		1276
718	cf::attachable->attach (	1277	cf::attachable->attach (
719	prio => -1000000,	1278	prio => -1000000,
720	on_instantiate => sub {	1279	on_instantiate => sub {
721	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
722		1281
723	$data = from_json $data;	1282	$data = decode_json $data;
724		1283
725	for (@$data) {	1284	for (@$data) {
726	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
727		1286
728	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1303	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
746		1305
747	sync_job {	1306	sync_job {
748	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
751		1312
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
755	aio_fsync $fh;	1318	aio_fsync $fh;
		1319	}
756	close $fh;	1320	aio_close $fh;
757		1321
758	if (@$objs) {	1322	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
		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;
763	aio_fsync $fh;	1329	aio_fsync $fh;
		1330	}
764	close $fh;	1331	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
766	}	1333	}
767	} else {	1334	} else {
768	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
769	}	1336	}
770		1337
771	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1342	} else {
773	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
774	}	1344	}
775	} else {	1345	} else {
776	aio_unlink $filename;	1346	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
778	}	1348	}
779	}	1349	};
780	}	1350	}
781		1351
782	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
784		1354
…		…
796	or return;	1366	or return;
797		1367
798	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
800	or return;	1370	or return;
		1371
801	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
802	}	1374	}
803		1375
		1376	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
806	return ($data, $av);	1381	($data, $av)
807	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
808		1389
809	#############################################################################	1390	#############################################################################
810	# command handling &c	1391	# command handling &c
811		1392
812	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1407	}
827		1408
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1410
830	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.
831		1416
832	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
833	called.	1418	called.
834		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
835	=cut	1431	=cut
836		1432
837	sub register_extcmd {	1433	sub register_extcmd {
838	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
839		1435
840	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
841	}	1437	}
842		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
843	cf::player->attach (	1447	cf::player->attach (
844	on_command => sub {	1448	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
846		1450
847	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
848	or return;	1452	or return;
849		1453
…		…
854	cf::override;	1458	cf::override;
855	},	1459	},
856	on_extcmd => sub {	1460	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
858		1462
859	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1464
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
867	} else {	1480	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1482	}
870		1483
871	cf::override;	1484	cf::override;
872	},	1485	},
873	);	1486	);
874		1487
		1488	# "readahead" all extensions
875	sub load_extension {	1489	sub cache_extensions {
876	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
877		1491
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1495	}
903	die $@;
904	}	1496	};
905		1497
906	push @EXTS, $pkg;	1498	$grp
907	}	1499	}
908		1500
909	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
910	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1508	next unless -r $path;
912	eval {	1509
913	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	}
914	1	1573	}
915	} 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	}
916	}	1586	};
917	}	1587	}
918		1588
919	#############################################################################	1589	#############################################################################
920		1590
		1591	=back
		1592
921	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
922		1594
923	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
924		1596
925	=cut	1597	=cut
926		1598
927	package cf::player;	1599	package cf::player;
928		1600
…		…
930		1602
931	=head3 cf::player	1603	=head3 cf::player
932		1604
933	=over 4	1605	=over 4
934		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
935	=item cf::player::find $login	1621	=item cf::player::find $login
936		1622
937	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
938		1624
939	=cut	1625	=cut
940		1626
941	sub playerdir($) {	1627	sub playerdir($) {
942	cf::localdir	1628	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1630	}
948		1631
949	sub path($) {	1632	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1634
952	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
953	}	1636	}
954		1637
955	sub find_active($) {	1638	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
960		1643
961	sub exists($) {	1644	sub exists($) {
962	my ($login) = @_;	1645	my ($login) = @_;
963		1646
964	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
966	}	1649	}
967		1650
968	sub find($) {	1651	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1653	my $login = $_[0];
971		1654
972	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
973		1656
974	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
975	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
976	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;
977	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
978	}	1674	}
979	}	1675	}
980	}	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	);
981		1690
982	sub save($) {	1691	sub save($) {
983	my ($pl) = @_;	1692	my ($pl) = @_;
984		1693
985	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
991		1700
992	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
994		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
995	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
996	Coro::cede;	1710	cf::cede_to_tick;
997	}	1711	}
998		1712
999	sub new($) {	1713	sub new($) {
1000	my ($login) = @_;	1714	my ($login) = @_;
1001		1715
…		…
1007	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1008		1722
1009	$self	1723	$self
1010	}	1724	}
1011		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
1012	=item $pl->quit_character	1736	=item $pl->quit_character
1013		1737
1014	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
1015	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1016		1740
1017	=cut	1741	=cut
1018		1742
1019	sub quit_character {	1743	sub quit_character {
1020	my ($pl) = @_;	1744	my ($pl) = @_;
1021		1745
		1746	my $name = $pl->ob->name;
		1747
1022	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1023	$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
1024		1750
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1028	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1029		1759
1030	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1786	}
1037		1787
1038	=item cf::player::list_logins	1788	=item cf::player::list_logins
1039		1789
1040	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
1041	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1042		1792
1043	=cut	1793	=cut
1044		1794
1045	sub list_logins {	1795	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1797	or return [];
1048		1798
1049	my @logins;	1799	my @logins;
1050		1800
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1055		1811
1056	utf8::decode $login;	1812	utf8::decode $login;
1057	push @logins, $login;	1813	push @logins, $login;
1058	}	1814	}
1059		1815
1060	\@logins	1816	\@logins
1061	}	1817	}
1062		1818
1063	=item $player->maps	1819	=item $player->maps
1064		1820
		1821	=item cf::player::maps $login
		1822
1065	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1066	player. May block.	1824	player. May block.
1067		1825
1068	=cut	1826	=cut
1069		1827
1070	sub maps($) {	1828	sub maps($) {
1071	my ($pl) = @_;	1829	my ($pl) = @_;
		1830
		1831	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1832
1073	my $files = aio_readdir playerdir $pl	1833	my $files = aio_readdir playerdir $pl
1074	or return;	1834	or return;
1075		1835
1076	my @paths;	1836	my @paths;
…		…
1078	for (@$files) {	1838	for (@$files) {
1079	utf8::decode $_;	1839	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1840	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1841	next unless /^$PATH_SEP/o;
1082		1842
1083	s/\.map$//;	1843	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1844	}
1086		1845
1087	\@paths	1846	\@paths
1088	}	1847	}
1089		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1091		1854
1092	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1093		1856
1094	=cut	1857	=cut
1095		1858
1096	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1098		1861
1099	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1863	}
1103		1864
1104	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		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	}
1105		1907
1106	=back	1908	=back
1107
1108		1909
1109	=head3 cf::map	1910	=head3 cf::map
1110		1911
1111	=over 4	1912	=over 4
1112		1913
…		…
1124	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1126		1927
1127	sub generate_random_map {	1928	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1129	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1130	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)
1143	}	1934	}
1144		1935
1145	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1146		1937
1147	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
…		…
1152		1943
1153	sub register {	1944	sub register {
1154	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1946	my $pkg = caller;
1156		1947
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1949
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1951	}
1162		1952
1163	# also paths starting with '/'	1953	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1955
1166	sub thawer_merge {	1956	sub thawer_merge {
1167	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1168		1958
1169	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1170	local $self->{path};	1960	local $self->{path};
1171	local $self->{load_path};	1961	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1962
1175	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1176	}	1964	}
1177		1965
1178	sub normalise {	1966	sub normalise {
1179	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1180		1968
1181	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
		1970
		1971	$path =~ s/\.map$//;
1182		1972
1183	# map plan:	1973	# map plan:
1184	#	1974	#
1185	# /! non-realised random map exit (special hack!)	1975	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1976	# {... are special paths that are not being touched
…		…
1199	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1200	$path = "$base/$path";	1990	$path = "$base/$path";
1201	}	1991	}
1202		1992
1203	for ($path) {	1993	for ($path) {
1204	redo if s{//}{/};
1205	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1206	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1207	}	1996	}
1208		1997
1209	$path	1998	$path
…		…
1223	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1224	return $self;	2013	return $self;
1225	}	2014	}
1226	}	2015	}
1227		2016
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1229	()	2018	()
1230	}	2019	}
1231		2020
		2021	# may re-bless or do other evil things
1232	sub init {	2022	sub init {
1233	my ($self) = @_;	2023	my ($self) = @_;
1234		2024
1235	$self	2025	$self
1236	}	2026	}
…		…
1248		2038
1249	# the original (read-only) location	2039	# the original (read-only) location
1250	sub load_path {	2040	sub load_path {
1251	my ($self) = @_;	2041	my ($self) = @_;
1252		2042
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1254	}	2044	}
1255		2045
1256	# the temporary/swap location	2046	# the temporary/swap location
1257	sub save_path {	2047	sub save_path {
1258	my ($self) = @_;	2048	my ($self) = @_;
1259		2049
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1262	}	2052	}
1263		2053
1264	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1265	sub uniq_path {	2055	sub uniq_path {
1266	my ($self) = @_;	2056	my ($self) = @_;
1267		2057
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1270	}	2060	}
1271		2061
1272	# and all this just because we cannot iterate over	2062	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	2063	my ($self) = @_;
1276		2064
1277	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1279	}	2068	}
1280		2069
1281	sub unlink_save {	2070	sub unlink_save {
1282	my ($self) = @_;	2071	my ($self) = @_;
1283		2072
…		…
1288		2077
1289	sub load_header_from($) {	2078	sub load_header_from($) {
1290	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1291		2080
1292	utf8::encode $path;	2081	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1294	or return;	2083	or return;
1295		2084
1296	$self->_load_header ($path)	2085	$self->_load_header ($f)
1297	or return;	2086	or return;
1298		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1299	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1300		2092
1301	1	2093	1
1302	}	2094	}
1303		2095
		2096	# used to laod the header of an original map
1304	sub load_header_orig {	2097	sub load_header_orig {
1305	my ($self) = @_;	2098	my ($self) = @_;
1306		2099
1307	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1308	}	2101	}
1309		2102
		2103	# used to laod the header of an instantiated map
1310	sub load_header_temp {	2104	sub load_header_temp {
1311	my ($self) = @_;	2105	my ($self) = @_;
1312		2106
1313	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1314	}	2108	}
1315		2109
		2110	# called after loading the header from an instantiated map
1316	sub prepare_temp {	2111	sub prepare_temp {
1317	my ($self) = @_;	2112	my ($self) = @_;
1318		2113
1319	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1320	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1321	# safety	2116	# safety
1322	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1323	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1324	}	2119	}
1325		2120
		2121	# called after loading the header from an original map
1326	sub prepare_orig {	2122	sub prepare_orig {
1327	my ($self) = @_;	2123	my ($self) = @_;
1328		2124
1329	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1330	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1341	$self->load_header_orig	2137	$self->load_header_orig
1342	or return;	2138	or return;
1343	$self->prepare_orig;	2139	$self->prepare_orig;
1344	}	2140	}
1345		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 $self->default_region;
		2147
1346	1	2148	1
1347	}	2149	}
1348		2150
1349	sub find;	2151	sub find;
1350	sub find {	2152	sub find {
1351	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1352		2154
		2155	cf::cede_to_tick;
		2156
1353	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1354		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1356		2161
1357	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1360	or return;	2164	or return;
1361		2165
1362	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1363		2167
1364	$map->load_header	2168	$map->load_header
1365	or return;	2169	or return;
1366		2170
1367	if ($map->should_reset) {	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1370	$map->reset;	2176	$map->reset;
1371	undef $guard;
1372	return find $path;	2177	return find $path;
1373	}	2178	}
1374		2179
1375	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1376	}	2181	}
1377	}	2182	}
1378		2183
1379	sub pre_load { }	2184	sub pre_load { }
1380	sub post_load { }	2185	#sub post_load { } # XS
1381		2186
1382	sub load {	2187	sub load {
1383	my ($self) = @_;	2188	my ($self) = @_;
1384		2189
		2190	local $self->{deny_reset} = 1; # loading can take a long time
		2191
1385	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1387		2196
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1389		2199
1390	$self->in_memory (cf::MAP_LOADING);
1391
1392	$self->alloc;	2200	$self->alloc;
1393		2201
1394	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1395		2204
1396	$self->_load_objects ($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)
1397	or return;	2209	or return;
1398		2210
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1400	if delete $self->{load_original};	2212	if delete $self->{load_original};
1401		2213
1402	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2215	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2218	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1407	}	2223	}
1408	}
1409		2224
1410	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1411		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1412	# now do the right thing for maps	2234	# now do the right thing for maps
1413	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2237	unless $self->difficulty;
1423	Coro::cede;	2238	cf::cede_to_tick;
1424	$self->activate;	2239
		2240	unless ($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);
1425	}	2250	}
1426		2251
1427	$self->post_load;	2252	$self->post_load;
1428		2253
1429	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1430	}	2255	}
1431		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1432	sub customise_for {	2260	sub customise_for {
1433	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1434		2262
1435	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2264	if $self->per_player;
1437		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1438	$self	2269	$self
1439	}	2270	}
1440		2271
1441	# find and load all maps in the 3x3 area around a map	2272	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2273	sub load_neighbours {
1443	my ($map) = @_;	2274	my ($map) = @_;
1444		2275
1445	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1446		2277
1447	for (0 .. 3) {	2278	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1449	or next;	2280	or next;
1450	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1451	or next;	2282	or next;
1452	$neigh->load;	2283	$neigh->load;
1453		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2289	}
1457		2290
1458	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1460	or next;	2294	or next;
1461	$neigh->load;	2295	$neigh->load;
1462	}	2296	}
1463	}	2297	}
1464		2298
1465	sub find_sync {	2299	sub find_sync {
1466	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1467		2301
1468	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1469	}	2307	}
1470		2308
1471	sub do_load_sync {	2309	sub do_load_sync {
1472	my ($map) = @_;	2310	my ($map) = @_;
1473		2311
1474	cf::sync_job { $map->load };	2312	# it's a bug to call this from the main context
		2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2314	if $Coro::current == $Coro::main;
		2315
		2316	$map->load;
1475	}	2317	}
1476		2318
1477	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
1479		2321
1480	sub find_async {	2322	sub find_async {
1481	my ($path, $origin) = @_;	2323	my ($path, $origin, $load) = @_;
1482		2324
1483	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
1484		2326
1485	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
1487	}	2329	}
1488		2330
1489	undef $MAP_PREFETCH{$path};	2331	$MAP_PREFETCH{$path} |= $load;
		2332
1490	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
1491	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2338	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2339	$map->load if $v;
		2340	}
1496		2341
1497	delete $MAP_PREFETCH{$path};	2342	delete $MAP_PREFETCH{$k};
1498	}	2343	}
1499	}	2344	}
1500	undef $MAP_PREFETCHER;	2345	undef $MAP_PREFETCHER;
1501	};	2346	};
1502	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
1503		2348
1504	()	2349	()
1505	}	2350	}
1506		2351
		2352	# common code, used by both ->save and ->swapout
1507	sub save {	2353	sub _save {
1508	my ($self) = @_;	2354	my ($self) = @_;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1511		2355
1512	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
1513		2357
1514	return unless $self->dirty;	2358	return unless $self->dirty;
1515		2359
…		…
1521	return if $self->{deny_save};	2365	return if $self->{deny_save};
1522		2366
1523	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
1524		2368
1525	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
1527	};	2372	};
		2373
		2374	cf::get_slot 0.02;
1528		2375
1529	if ($uniq) {	2376	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2379	} else {
1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1534	}	2381	}
1535	}	2382	}
1536		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
1537	sub swap_out {	2392	sub swap_out {
1538	my ($self) = @_;	2393	my ($self) = @_;
1539		2394
1540	# save first because save cedes
1541	$self->save;
1542
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1545	return if $self->players;	2399	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1547	return if $self->{deny_save};
1548		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
1549	$self->clear;	2410	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2411	}
1552		2412
1553	sub reset_at {	2413	sub reset_at {
1554	my ($self) = @_;	2414	my ($self) = @_;
1555		2415
1556	# TODO: safety, remove and allow resettable per-player maps	2416	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2417	return 1e99 if $self->{deny_reset};
1559		2418
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2420	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2421
…		…
1573	my ($self) = @_;	2432	my ($self) = @_;
1574		2433
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2435
1577	return if $self->players;	2436	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2437
1580	warn "resetting map ", $self->path;#d#	2438	cf::trace "resetting map ", $self->path, "\n";
		2439
		2440	$self->state (cf::MAP_SWAPPED);
		2441
		2442	# need to save uniques path
		2443	unless ($self->{deny_save}) {
		2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2445
		2446	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2447	if $uniq;
		2448	}
1581		2449
1582	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1583		2451
1584	$self->in_memory (cf::MAP_SWAPPED);	2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2454	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2455
1589	$self->unlink_save;	2456	$self->unlink_save;
1590	$self->destroy;	2457	$self->destroy;
1591	}	2458	}
1592		2459
1593	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1594		2461
1595	sub nuke {	2462	sub nuke {
1596	my ($self) = @_;	2463	my ($self) = @_;
1597		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
1598	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
1599		2469
1600	$self->unlink_save;	2470	$self->unlink_save;
1601		2471
1602	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
1603	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2477
1608	$cf::MAP{$self->path} = $self;	2478	$cf::MAP{$self->path} = $self;
		2479	}
1609		2480
1610	$self->reset; # polite request, might not happen	2481	$self->reset; # polite request, might not happen
		2482	}
		2483
		2484	=item $maps = cf::map::tmp_maps
		2485
		2486	Returns an arrayref with all map paths of currently instantiated and saved
		2487	maps. May block.
		2488
		2489	=cut
		2490
		2491	sub tmp_maps() {
		2492	[
		2493	map {
		2494	utf8::decode $_;
		2495	/\.map$/
		2496	? normalise $_
		2497	: ()
		2498	} @{ aio_readdir $TMPDIR or [] }
		2499	]
		2500	}
		2501
		2502	=item $maps = cf::map::random_maps
		2503
		2504	Returns an arrayref with all map paths of currently instantiated and saved
		2505	random maps. May block.
		2506
		2507	=cut
		2508
		2509	sub random_maps() {
		2510	[
		2511	map {
		2512	utf8::decode $_;
		2513	/\.map$/
		2514	? normalise "?random/$_"
		2515	: ()
		2516	} @{ aio_readdir $RANDOMDIR or [] }
		2517	]
1611	}	2518	}
1612		2519
1613	=item cf::map::unique_maps	2520	=item cf::map::unique_maps
1614		2521
1615	Returns an arrayref of paths of all shared maps that have	2522	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2523	instantiated unique items. May block.
1617		2524
1618	=cut	2525	=cut
1619		2526
1620	sub unique_maps() {	2527	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2528	[
1622	or return;	2529	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2530	utf8::decode $_;
1628	next if /\.pst$/;	2531	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2533	? ()
		2534	: normalise $_
		2535	} @{ aio_readdir $UNIQUEDIR or [] }
		2536	]
		2537	}
1630		2538
		2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
1631	s/\.map$//;	2560	s/\.map$// or next;
1632	push @paths, $_;	2561	utf8::decode $_;
1633	}	2562	push @maps, "$dir/$_";
		2563	}
1634		2564
1635	\@paths	2565	push @dirs, map "$dir/$_", @$dirs;
1636	}	2566	}
1637		2567
1638	package cf;	2568	\@maps
		2569	}
1639		2570
1640	=back	2571	=back
1641		2572
1642	=head3 cf::object	2573	=head3 cf::object
1643		2574
…		…
1647		2578
1648	=over 4	2579	=over 4
1649		2580
1650	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
1651		2582
1652	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
1653		2585
1654	=cut	2586	=cut
1655		2587
1656	sub inv_recursive_;	2588	sub inv_recursive_;
1657	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
1660		2592
1661	sub inv_recursive {	2593	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
1663	}	2595	}
1664		2596
		2597	=item $ref = $ob->ref
		2598
		2599	Creates and returns a persistent reference to an object that can be stored as a string.
		2600
		2601	=item $ob = cf::object::deref ($refstring)
		2602
		2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2604	even if the object actually exists. May block.
		2605
		2606	=cut
		2607
		2608	sub deref {
		2609	my ($ref) = @_;
		2610
		2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2612	my ($uuid, $name) = ($1, $2);
		2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2614	or return;
		2615	$pl->ob->uuid eq $uuid
		2616	or return;
		2617
		2618	$pl->ob
		2619	} else {
		2620	warn "$ref: cannot resolve object reference\n";
		2621	undef
		2622	}
		2623	}
		2624
1665	package cf;	2625	package cf;
1666		2626
1667	=back	2627	=back
1668		2628
1669	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2635	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
1678		2638
1679	=cut	2639	=cut
		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
1680		2654
1681	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2656	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
1686		2660
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2661	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2662
1689	if ($self->{record_replies}) {	2663	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2664	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2665
1691	} else {	2666	} else {
		2667	my $pl = $self->contr;
		2668
		2669	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2670	my $dialog = $pl->{npc_dialog};
		2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2672
		2673	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2676	}
1694	}	2677	}
		2678	}
		2679
		2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2681
		2682	=cut
		2683
		2684	sub cf::object::send_msg {
		2685	my $pl = shift->contr
		2686	or return;
		2687	$pl->send_msg (@_);
1695	}	2688	}
1696		2689
1697	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
1698		2691
1699	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
1712		2705
1713	=item $player_object->enter_link	2706	=item $player_object->enter_link
1714		2707
1715	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
1716		2709
1717	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
1718	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
1719		2714
1720	Will never block.	2715	Will never block.
1721		2716
1722	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
1723		2718
…		…
1731	=cut	2726	=cut
1732		2727
1733	sub link_map {	2728	sub link_map {
1734	unless ($LINK_MAP) {	2729	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2730	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2731	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2732	$LINK_MAP->load;
1738	}	2733	}
1739		2734
1740	$LINK_MAP	2735	$LINK_MAP
1741	}	2736	}
…		…
1743	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
1744	my ($self) = @_;	2739	my ($self) = @_;
1745		2740
1746	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
1747		2742
		2743	++$self->{_link_recursion};
		2744
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2746
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2748	if $self->map && $self->map->{path} ne "{link}";
1752		2749
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1754	}	2751	}
1755		2752
1756	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
		2755
		2756	return unless $self->contr->active;
1758		2757
1759	my $link_pos = delete $self->{_link_pos};	2758	my $link_pos = delete $self->{_link_pos};
1760		2759
1761	unless ($map) {	2760	unless ($map) {
1762	# restore original map position	2761	# restore original map position
…		…
1773	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
1774	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
1775		2774
1776	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
1779		2778
1780	$map->load;	2779	$map->load;
1781	$map->load_diag;	2780	$map->load_neighbours;
1782		2781
1783	return unless $self->contr->active;	2782	return unless $self->contr->active;
		2783
		2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2785	if ($self->enter_map ($map, $x, $y)) {
		2786	# entering was successful
		2787	delete $self->{_link_recursion};
		2788	# only activate afterwards, to support waiting in hooks
1784	$self->activate_recursive;	2789	$self->activate_recursive;
1785	$self->enter_map ($map, $x, $y);
1786	}
1787
1788	cf::player->attach (
1789	on_logout => sub {
1790	my ($pl) = @_;
1791
1792	# abort map switching before logout
1793	if ($pl->ob->{_link_pos}) {
1794	cf::sync_job {
1795	$pl->ob->leave_link
1796	};
1797	}
1798	},	2790	}
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2791
1802	# try to abort aborted map switching on player login :)	2792	}
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2793
1820	=item $player_object->goto ($path, $x, $y)	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1821		2795
		2796	Moves the player to the given map-path and coordinates by first freezing
		2797	her, loading and preparing them map, calling the provided $check callback
		2798	that has to return the map if sucecssful, and then unfreezes the player on
		2799	the new (success) or old (failed) map position. In either case, $done will
		2800	be called at the end of this process.
		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
		2804
1822	=cut	2805	=cut
		2806
		2807	our $GOTOGEN;
1823		2808
1824	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
		2817
		2818	# do generation counting so two concurrent goto's will be executed in-order
		2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2820
1827	$self->enter_link;	2821	$self->enter_link;
1828		2822
1829	(async {	2823	(async {
1830	my $map = cf::map::find $path;	2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
		2845	my $map = eval {
		2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2847
		2848	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2849	$map = $map->customise_for ($self);
1832		2850	$map = $check->($map, $x, $y, $self) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2851	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	}
1837		2854
		2855	$map
		2856	};
		2857
		2858	if ($@) {
		2859	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	LOG llevError | logBacktrace, Carp::longmess $@;
		2861	}
		2862
		2863	if ($gen == $self->{_goto_generation}) {
		2864	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
		2866	}
		2867
		2868	$done->($self) if $done;
1839	})->prio (1);	2869	})->prio (1);
1840	}	2870	}
1841		2871
1842	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
1843		2873
…		…
1863	}	2893	}
1864		2894
1865	sub prepare_random_map {	2895	sub prepare_random_map {
1866	my ($exit) = @_;	2896	my ($exit) = @_;
1867		2897
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2900	# that depends on the exit object
1873		2901
1874	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
1875		2903
1876	if ($exit->map) {	2904	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2905	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
1881	}	2911	}
1882		2912
1883	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
1884		2914
1885	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
1888		2918
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2921	undef $fh;
1892	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
1893		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
1896	}	2930	}
1897	}	2931	}
1898		2932
1899	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
1903		2937
1904	$self->enter_link;	2938	$self->enter_link;
1905		2939
1906	(async {	2940	(async {
1907	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
1908	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
1909	prepare_random_map $exit	2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
1910	if $exit->slaying eq "/!";	2960	$map = $exit->slaying;
1911		2961
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2962	} elsif ($slaying eq '!up') {
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
1914		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
		2973	$self->goto ($map, $x, $y);
		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
1915	1;	2979	1
1916	}) {	2980	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
1918	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
1919	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2985
1922	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
1923	$self->leave_link;	2987	$self->leave_link;
1924	}	2988	}
1925	})->prio (1);	2989	})->prio (1);
1926	}	2990	}
1927		2991
…		…
1938		3002
1939	sub cf::client::send_drawinfo {	3003	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	3004	my ($self, $text, $flags) = @_;
1941		3005
1942	utf8::encode $text;	3006	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	3008	}
1945		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
		3033	}
		3034
		3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3036
		3037	Send a drawinfo or msg packet to the client, formatting the msg for the
		3038	client if neccessary. C<$type> should be a string identifying the type of
		3039	the message, with C<log> being the default. If C<$color> is negative, suppress
		3040	the message unless the client supports the msg packet.
		3041
		3042	=cut
		3043
		3044	# non-persistent channels (usually the info channel)
		3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
		3052	"c/identify" => {
		3053	id => "infobox",
		3054	title => "Identify",
		3055	reply => undef,
		3056	tooltip => "Items recently identified",
		3057	},
		3058	"c/examine" => {
		3059	id => "infobox",
		3060	title => "Examine",
		3061	reply => undef,
		3062	tooltip => "Signs and other items you examined",
		3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
		3156	);
		3157
		3158	sub cf::client::send_msg {
		3159	my ($self, $channel, $msg, $color, @extra) = @_;
		3160
		3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
		3163
		3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3165
		3166	# check predefined channels, for the benefit of C
		3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
		3173	} elsif (ref $channel) {
		3174	# send meta info to client, if not yet sent
		3175	unless (exists $self->{channel}{$channel->{id}}) {
		3176	$self->{channel}{$channel->{id}} = $channel;
		3177	$self->ext_msg (channel_info => $channel);
		3178	}
		3179
		3180	$channel = $channel->{id};
		3181	}
		3182
		3183	return unless @extra || length $msg;
		3184
		3185	# default colour, mask it out
		3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3187	if $color & cf::NDI_DEF;
		3188
		3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
		3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3192	);
		3193
		3194	$self->send_big_packet ($pkt);
		3195	}
		3196
		3197	=item $client->ext_msg ($type, @msg)
		3198
		3199	Sends an ext event to the client.
		3200
		3201	=cut
		3202
		3203	sub cf::client::ext_msg($$@) {
		3204	my ($self, $type, @msg) = @_;
		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
		3209	push @msg, msgtype => "event_$type";
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		3221	my ($self, $id, @msg) = @_;
		3222
		3223	if ($self->extcmd == 2) {
		3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3225	} elsif ($self->extcmd == 1) {
		3226	#TODO: version 1, remove
		3227	unshift @msg, msgtype => "reply", msgid => $id;
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3229	}
		3230	}
1946		3231
1947	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
1948		3233
1949	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
1950	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3235	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1951	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3236	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1952		3237
1953	Queries can fail, so check the return code. Or don't, as queries will become	3238	Queries can fail, so check the return code. Or don't, as queries will
1954	reliable at some point in the future.	3239	become reliable at some point in the future.
1955		3240
1956	=cut	3241	=cut
1957		3242
1958	sub cf::client::query {	3243	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	3252	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		3254
1970	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
1972	}	3259	}
1973		3260
1974	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
1975	on_reply => sub {	3267	on_reply => sub {
1976	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
1977		3269
1978	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
1979	# get handled first	3271	# get handled first
1980	my $queue = delete $ns->{query_queue}	3272	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	3273	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		3274
1983	(shift @$queue)->[1]->($msg);	3275	(shift @$queue)->[1]->($msg);
		3276	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		3277
1985	push @{ $ns->{query_queue} }, @$queue;	3278	push @{ $ns->{query_queue} }, @$queue;
1986		3279
1987	if (@{ $ns->{query_queue} } == @$queue) {	3280	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	3281	if (@$queue) {
…		…
1990	} else {	3283	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	3285	}
1993	}	3286	}
1994	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($ns, $buf) = @_;
		3290
		3291	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3292
		3293	if (ref $msg) {
		3294	my ($type, $reply, @payload) =
		3295	"ARRAY" eq ref $msg
		3296	? @$msg
		3297	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
1995	);	3314	);
1996		3315
1997	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
1998		3317
1999	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2015		3334
2016	$coro	3335	$coro
2017	}	3336	}
2018		3337
2019	cf::client->attach (	3338	cf::client->attach (
2020	on_destroy => sub {	3339	on_client_destroy => sub {
2021	my ($ns) = @_;	3340	my ($ns) = @_;
2022		3341
2023	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2024	},	3343	},
2025	);	3344	);
…		…
2040	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2042		3361
2043	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2044		3363
2045	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2046		3369
2047	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2048		3371
2049	=pod	3372	=pod
2050		3373
2051	The following fucntions and emthods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2052		3375
2053	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2054	cf::object::player player	3381	cf::object::player
2055	cf::player peaceful	3382	player
2056	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2057		3389
2058	=cut	3390	=cut
2059		3391
2060	for (	3392	for (
2061	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2062	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2064	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2065	) {	3399	) {
2066	no strict 'refs';
2067	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2068	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2069	for @funs;	3402	for @funs;
2070	}	3403	}
2071		3404
…		…
2086		3419
2087	my $qcode = $code;	3420	my $qcode = $code;
2088	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2089	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2090		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2091	local $_;	3427	local $_;
2092	local @safe::cf::_safe_eval_args = values %vars;
2093		3428
2094	my $eval =	3429	my $eval =
2095	"do {\n"	3430	"do {\n"
2096	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2097	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2098	. $code	3433	. $code
2099	. "\n}"	3434	. "\n}"
2100	;	3435	;
2101		3436
		3437	if ($CFG{safe_eval}) {
2102	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2103	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2104	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2105		3446
2106	if ($@) {	3447	if ($@) {
2107	warn "$@";	3448	warn "$@",
2108	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2109	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2110	}	3451	}
2111		3452
2112	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2113	}	3454	}
2114		3455
…		…
2128	=cut	3469	=cut
2129		3470
2130	sub register_script_function {	3471	sub register_script_function {
2131	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2132		3473
2133	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2134	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2135	}	3476	}
2136		3477
2137	=back	3478	=back
2138		3479
2139	=cut	3480	=cut
2140		3481
2141	#############################################################################	3482	#############################################################################
		3483	# the server's init and main functions
2142		3484
2143	=head2 EXTENSION DATABASE SUPPORT	3485	sub load_facedata($) {
		3486	my ($path) = @_;
2144		3487
2145	Crossfire maintains a very simple database for extension use. It can	3488	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3489	# for this (global event?)
2147	excludes objects.	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3491
2149	The parameter C<$family> should best start with the name of the extension	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3493
2152	=over 4	3494	trace "loading facedata from $path\n";
2153		3495
2154	=item $hashref = cf::db_get $family	3496	my $facedata = decode_storable load_file $path;
2155		3497
2156	Return a hashref for use by the extension C<$family>, which can be	3498	$facedata->{version} == 2
2157	modified. After modifications, you have to call C<cf::db_dirty> or	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2158	C<cf::db_sync>.
2159		3500
2160	=item $value = cf::db_get $family => $key	3501	# patch in the exptable
2161		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2162	Returns a single value from the database	3503	$facedata->{resource}{"res/exp_table"} = {
2163		3504	type => FT_RSRC,
2164	=item cf::db_put $family => $hashref	3505	data => $exp_table,
2165		3506	hash => (Digest::MD5::md5 $exp_table),
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	3507	};
		3508	cf::cede_to_tick;
2192		3509
2193	my $pid;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}	3510	{
		3511	my $faces = $facedata->{faceinfo};
2204		3512
2205	my $dirty;	3513	while (my ($face, $info) = each %$faces) {
		3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3515
2207	sub db_sync() {	3516	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3517	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2210	}	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2211		3521
2212	my $idle = Event->idle (	3522	cf::cede_to_tick;
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	3523	}
2246	);
2247	}
2248		3524
2249	#############################################################################	3525	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3526	next unless $info->{smooth};
2251		3527
2252	sub cfg_load {	3528	my $idx = cf::face::find $face
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3529	or next;
2254	or return;
2255		3530
2256	local $/;	3531	if (my $smooth = cf::face::find $info->{smooth}) {
2257	*CFG = YAML::Syck::Load <$fh>;	3532	cf::face::set_smooth $idx, $smooth;
		3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3534	} else {
		3535	error "smooth face '$info->{smooth}' not found for face '$face'";
		3536	}
2258		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	{
		3543	my $anims = $facedata->{animinfo};
		3544
		3545	while (my ($anim, $info) = each %$anims) {
		3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3547	cf::cede_to_tick;
		3548	}
		3549
		3550	cf::anim::invalidate_all; # d'oh
		3551	}
		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
		3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3559
		3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3561	cf::face::set_type $idx, $info->{type};
		3562	} else {
		3563	$RESOURCE{$name} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3571
		3572	1
		3573	}
		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($ns, $want) = @_;
		3577
		3578	while (my ($k, $v) = each %$want) {
		3579	$ns->fx_want ($k, $v);
		3580	}
		3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
		3592
		3593	sub reload_regions {
		3594	# HACK to clear player env face cache, we need some signal framework
		3595	# for this (global event?)
		3596	%ext::player_env::MUSIC_FACE_CACHE = ();
		3597
		3598	load_resource_file "$MAPDIR/regions"
		3599	or die "unable to load regions file\n";
		3600
		3601	for (cf::region::list) {
		3602	$_->{match} = qr/$_->{match}/
		3603	if exists $_->{match};
		3604	}
		3605	}
		3606
		3607	sub reload_facedata {
		3608	load_facedata "$DATADIR/facedata"
		3609	or die "unable to load facedata\n";
		3610	}
		3611
		3612	sub reload_archetypes {
		3613	load_resource_file "$DATADIR/archetypes"
		3614	or die "unable to load archetypes\n";
		3615	}
		3616
		3617	sub reload_treasures {
		3618	load_resource_file "$DATADIR/treasures"
		3619	or die "unable to load treasurelists\n";
		3620	}
		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
		3642	sub reload_resources {
		3643	trace "reloading resource files...\n";
		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
		3650	reload_regions;
		3651	reload_treasures;
		3652
		3653	trace "finished reloading resource files\n";
		3654	}
		3655
		3656	sub reload_config {
		3657	trace "reloading config file...\n";
		3658
		3659	my $config = load_file "$CONFDIR/config";
		3660	utf8::decode $config;
		3661	*CFG = decode_yaml $config;
		3662
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3664
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3667
2264	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2268	};	3672	};
2269	warn $@ if $@;	3673	warn $@ if $@;
2270	}	3674	}
2271	}	3675	}
2272		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
2273	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
2274	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277	(async {	3718	(async {
2278	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
2280	};	3722	};
2281		3723
2282	cfg_load;	3724	evthread_start IO::AIO::poll_fileno;
2283	db_load;	3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
		3736	reload_config;
		3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
2284	load_extensions;	3747	load_extensions;
2285		3748
2286	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
2287	Event::loop;	3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
2288	}	3767	}
2289		3768
2290	#############################################################################	3769	#############################################################################
2291	# initialisation and cleanup	3770	# initialisation and cleanup
2292		3771
2293	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2294	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2297	reentrant => 0,
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	prio => 0,
2301	cb => sub {
2302	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2303	},
2304	);	3778	};
		3779	}
		3780	}
		3781
		3782	sub write_runtime_sync {
		3783	my $t0 = AE::time;
		3784
		3785	# first touch the runtime file to show we are still running:
		3786	# the fsync below can take a very very long time.
		3787
		3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3789
		3790	my $guard = cf::lock_acquire "write_runtime";
		3791
		3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3793	or return;
		3794
		3795	my $value = $cf::RUNTIME + 90 + 10;
		3796	# 10 is the runtime save interval, for a monotonic clock
		3797	# 60 allows for the watchdog to kill the server.
		3798
		3799	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3800	and return;
		3801
		3802	# always fsync - this file is important
		3803	aio_fsync $fh
		3804	and return;
		3805
		3806	# touch it again to show we are up-to-date
		3807	aio_utime $fh, undef, undef;
		3808
		3809	close $fh
		3810	or return;
		3811
		3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3813	and return;
		3814
		3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3816
2305	}	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
2306	}	3868	}
2307		3869
2308	sub emergency_save() {	3870	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2310		3872
2311	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
2312		3879
2313	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2314	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2315	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2316	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2318	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3891	$pl->save;
2322	}	3892	}
2323	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2324		3894
2325	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
2326	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2327	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3900	$map->valid or next;
2329	$map->save;	3901	$map->save;
2330	}	3902	}
2331	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
		3904
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
		3908	BDB::db_env_txn_checkpoint $DB_ENV;
		3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2332	};	3933	};
2333		3934
2334	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2335	}	3936	}
2336		3937
		3938	sub post_cleanup {
		3939	my ($make_core) = @_;
		3940
		3941	IO::AIO::flush;
		3942
		3943	error Carp::longmess "post_cleanup backtrace"
		3944	if $make_core;
		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
		3973	}
		3974
2337	sub reload() {	3975	sub do_reload_perl() {
2338	# can/must only be called in main	3976	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2340	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
2341	return;	3979	return;
2342	}	3980	}
2343		3981
2344	warn "reloading...";	3982	return if $RELOAD++;
2345		3983
2346	warn "cancelling server ticker";	3984	my $t1 = AE::time;
2347	$TICK_WATCHER->cancel;
2348		3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
		3992	cf::sync_job {
2349	cf::emergency_save;	3993	#cf::emergency_save;
2350		3994
2351	eval {
2352	# if anything goes wrong in here, we should simply crash as we already saved
2353
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356
2357	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}
2361
2362	warn "flushing outstanding aio requests";
2363	for (;;) {
2364	IO::AIO::flush;
2365	Coro::cede;
2366	last unless IO::AIO::nreqs;
2367	warn "iterate...";
2368	}
2369
2370	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	3997	%EXT_CORO = ();
2373		3998
2374	warn "removing commands";	3999	trace "perl_reload: removing commands";
2375	%COMMAND = ();	4000	%COMMAND = ();
2376		4001
2377	warn "removing ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2378	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2379		4005
2380	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2383		4009
2384	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2385	eval {	4011	eval {
2386	$cb->($pkg);	4012	$cb->($pkg);
2387	1	4013	1
2388	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
2389	}	4019	}
2390		4020
2391	warn "... nuking $pkg";
2392	Symbol::delete_package $pkg;
2393	}
2394
2395	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2396	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398		4024
2399	warn "... unloading $k";	4025	trace "... unloading $k";
2400	delete $INC{$k};	4026	delete $INC{$k};
2401		4027
2402	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2403	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2404		4030
2405	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2406	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2407	}	4036	}
2408		4037
2409	Symbol::delete_package $k;
2410	}
2411
2412	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2413	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		4041
2416	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
		4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2418		4045
2419	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2420	# and global variables created in xs	4047	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2422		4049
2423	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
2424		4051
2425	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
2426	require cf;	4053	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2428		4055
2429	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
2430	cf::cfg_load;	4057	cf::reload_config;
2431	cf::db_load;
2432		4058
2433	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
2434	cf::load_extensions;	4060	cf::load_extensions;
2435		4061
		4062	if ($REATTACH_ON_RELOAD) {
2436	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2437	_global_reattach;	4064	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2439	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
		4067	trace "perl_reload: reattaching attachments to players";
		4068	reattach $_ for values %PLAYER;
		4069	}
2440		4070
2441	warn "restarting server ticker";	4071	cf::_post_init 1;
2442		4072
2443	$TICK_WATCHER->start;	4073	trace "perl_reload: leaving sync_job";
		4074
		4075	1
		4076	} or do {
		4077	error $@;
		4078	cf::cleanup "perl_reload: error, exiting.";
		4079	};
		4080
		4081	--$RELOAD;
		4082	}
		4083
		4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
		4086	};
		4087
		4088	our $RELOAD_WATCHER; # used only during reload
		4089
		4090	sub reload_perl() {
		4091	# doing reload synchronously and two reloads happen back-to-back,
		4092	# coro crashes during coro_state_free->destroy here.
		4093
		4094	$RELOAD_WATCHER ||= cf::async {
		4095	Coro::AIO::aio_wait cache_extensions;
		4096
		4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4098	do_reload_perl;
		4099	undef $RELOAD_WATCHER;
		4100	};
2444	};	4101	};
2445		4102	}
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451
2452	warn "reloaded";
2453	};
2454
2455	our $RELOAD_WATCHER; # used only during reload
2456		4103
2457	register_command "reload" => sub {	4104	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2459		4106
2460	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
2462		4109	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	4110	$Coro::current->{desc} = "perl_reload";
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;	4111	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	4112	};
2475	}	4113	}
2476	};	4114	};
2477		4115
2478	unshift @INC, $LIBDIR;	4116	#############################################################################
2479		4117
2480	my $bug_warning = 0;	4118	my $bug_warning = 0;
2481		4119
2482	$TICK_WATCHER = Event->timer (	4120	sub wait_for_tick() {
2483	reentrant => 0,	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2484	parked => 1,	4122
2485	prio => 0,	4123	$WAIT_FOR_TICK->wait;
2486	at => $NEXT_TICK || $TICK,	4124	}
2487	data => WF_AUTOCANCEL,	4125
2488	cb => sub {	4126	sub wait_for_tick_begin() {
		4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4128
		4129	my $signal = new Coro::Signal;
		4130	push @WAIT_FOR_TICK_BEGIN, $signal;
		4131	$signal->wait;
		4132	}
		4133
		4134	sub tick {
2489	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
2492	return;	4138	return;
		4139	}
		4140
		4141	cf::one_tick; # one server iteration
		4142
		4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4144
		4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4147	Coro::async_pool {
		4148	$Coro::current->{desc} = "runtime saver";
		4149	write_runtime_sync
		4150	or error "ERROR: unable to write runtime file: $!";
2493	}	4151	};
		4152	}
2494		4153
2495	$NOW = Event::time;	4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2496		4155	$sig->send;
2497	cf::server_tick; # one server iteration	4156	}
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500
2501	$WAIT_FOR_TICK->broadcast;	4157	$WAIT_FOR_TICK->broadcast;
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2503		4158
2504	Event::sweep;	4159	$LOAD = ($NOW - $TICK_START) / $TICK;
2505	Coro::cede_notself;	4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4161
		4162	if (0) {
		4163	if ($NEXT_TICK) {
		4164	my $jitter = $TICK_START - $NEXT_TICK;
		4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4166	debug "jitter $JITTER\n";#d#
2506		4167	}
2507	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#
2509
2510	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;
2515	},	4168	}
2516	);	4169	}
2517		4170
		4171	{
		4172	# configure BDB
		4173
		4174	BDB::min_parallel 16;
		4175	BDB::max_poll_reqs $TICK * 0.1;
		4176	$AnyEvent::BDB::WATCHER->priority (1);
		4177
		4178	unless ($DB_ENV) {
		4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4185
		4186	cf::sync_job {
		4187	eval {
		4188	BDB::db_env_open
		4189	$DB_ENV,
		4190	$BDBDIR,
		4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4193	0666;
		4194
		4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4196	};
		4197
		4198	cf::cleanup "db_env_open(db): $@" if $@;
		4199	};
		4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
		4211	}
		4212
		4213	{
		4214	# configure IO::AIO
		4215
		4216	IO::AIO::min_parallel 8;
2518	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
		4218	undef $AnyEvent::AIO::WATCHER;
		4219	}
2519		4220
2520	undef $Coro::AIO::WATCHER;	4221	our $_log_backtrace;
2521	$AIO_POLL_WATCHER = Event->io (	4222	our $_log_backtrace_last;
2522	reentrant => 0,
2523	fd => IO::AIO::poll_fileno,
2524	poll => 'r',
2525	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,
2528	);
2529		4223
2530	$WRITE_RUNTIME_WATCHER = Event->timer (	4224	sub _log_backtrace {
2531	reentrant => 0,	4225	my ($msg, @addr) = @_;
2532	data => WF_AUTOCANCEL,	4226
2533	after => 1,	4227	$msg =~ s/\n$//;
2534	interval => 10,	4228
2535	prio => 6, # keep it lowest so it acts like a watchdog	4229	if ($_log_backtrace_last eq $msg) {
2536	cb => Coro::unblock_sub {	4230	LOG llevInfo, "[ABT] $msg\n";
2537	write_runtime	4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2538	or warn "ERROR: unable to write runtime file: $!";	4232	# limit the # of concurrent backtraces
		4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
		4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
		4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
		4240	my @bt = fork_call {
		4241	@addr = map { sprintf "%x", $_ } @addr;
		4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4244	or die "addr2line: $!";
		4245
		4246	my @funcs;
		4247	my @res = <$fh>;
		4248	chomp for @res;
		4249	while (@res) {
		4250	my ($func, $line) = splice @res, 0, 2, ();
		4251	push @funcs, "[$func] $line";
		4252	}
		4253
		4254	@funcs
		4255	};
		4256
		4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4259	LOG llevInfo, "[ABT] $_\n" for @bt;
		4260	--$_log_backtrace;
		4261	};
		4262	} else {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2539	},	4265	}
2540	);	4266	}
		4267
		4268	# load additional modules
		4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
2541		4271
2542	END { cf::emergency_save }	4272	END { cf::emergency_save }
2543		4273
2544	1	4274	1
2545		4275

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