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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.178 by root, Thu Jan 18 00:06:55 2007 UTC vs.
Revision 1.571 by root, Wed May 4 19:04:45 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 3.4 ();	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 + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	690	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		691
358	aio_fsync $fh	692	sub post_fork {
359	and return;	693	reset_signals;
		694	}
360		695
361	close $fh	696	sub fork_call(&@) {
362	or return;	697	my ($cb, @args) = @_;
363		698
364	aio_rename "$runtime~", $runtime	699	# we seemingly have to make a local copy of the whole thing,
365	and return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
366		702
		703	my @res = Coro::Util::fork_eval {
		704	cf::post_fork;
		705	&$cb
		706	} @args;
		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
367	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 });
368	}	886	}
369		887
370	=back	888	=back
371		889
372	=cut	890	=cut
373		891
374	#############################################################################	892	#############################################################################
375		893
376	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
377		895
378	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
379	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")
380	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
381		899
382	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>
383	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
384	crossfire+).	902	Deliantra).
385		903
386	=over 4	904	=over 4
387		905
388	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
389		907
…		…
433	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
434		952
435	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
436	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
437		955
438	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		958
441	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
442		960
443	=over 4	961	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
553		1071
554	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		1076
559	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
561		1079
562	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
567		1085
568	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		1088
571	} elsif (ref $type) {	1089	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
573		1091
574	} else {	1092	} else {
575	shift @arg;	1093	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
577	}	1095	}
578	}	1096	}
579	}	1097	}
580		1098
581	sub _object_attach {	1099	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
592	}	1110	}
593		1111
594	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
595	} else {	1113	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1115	}
598		1116
599	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
600	}	1118	}
601		1119
…		…
603	if (ref $_[0]) {	1121	if (ref $_[0]) {
604	_object_attach @_;	1122	_object_attach @_;
605	} else {	1123	} else {
606	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
607	}	1125	}
		1126	_recalc_want;
608	};	1127	};
609		1128
610	# all those should be optimised	1129	# all those should be optimised
611	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1135	reattach ($obj);
617	} else {	1136	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
619	}	1138	}
		1139	_recalc_want;
620	};	1140	};
621		1141
622	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
624		1144
…		…
639	";	1159	";
640	die if $@;	1160	die if $@;
641	}	1161	}
642		1162
643	our $override;	1163	our $override;
644	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?
645		1165
646	sub override {	1166	sub override {
647	$override = 1;	1167	$override = 1;
648	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
649	}	1169	}
650		1170
651	sub do_invoke {	1171	sub do_invoke {
652	my $event = shift;	1172	my $event = shift;
653	my $callbacks = shift;	1173	my $callbacks = shift;
654		1174
655	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
656		1176
657	local $override;	1177	local $override;
658		1178
659	for (@$callbacks) {	1179	for (@$callbacks) {
660	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
661		1181
662	if ($@) {	1182	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1184	override;
666	}	1185	}
667		1186
668	return 1 if $override;	1187	return 1 if $override;
669	}	1188	}
670		1189
671	0	1190	0
672	}	1191	}
673		1192
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1194
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1196
678	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
679		1198
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1202
684	=back	1203	=back
685		1204
686	=cut	1205	=cut
687		1206
688	#############################################################################	1207	#############################################################################
689	# 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	}
690		1251
691	sub reattach {	1252	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1254	my ($obj) = @_;
694		1255
		1256	# no longer needed after getting rid of delete_package?
695	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
696		1258
697	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
698		1260
699	@$registry = ();	1261	@$registry = ();
700		1262
…		…
705	for (@$attach) {	1267	for (@$attach) {
706	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
708	}	1270	}
709	} else {	1271	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1273	}
712	}	1274	}
713	}	1275	}
714		1276
715	cf::attachable->attach (	1277	cf::attachable->attach (
716	prio => -1000000,	1278	prio => -1000000,
717	on_instantiate => sub {	1279	on_instantiate => sub {
718	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
719		1281
720	$data = from_json $data;	1282	$data = decode_json $data;
721		1283
722	for (@$data) {	1284	for (@$data) {
723	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
724		1286
725	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1303	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
743		1305
744	sync_job {	1306	sync_job {
745	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
748		1312
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$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;
752	aio_fsync $fh;	1318	aio_fsync $fh;
		1319	}
753	close $fh;	1320	aio_close $fh;
754		1321
755	if (@$objs) {	1322	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	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;
760	aio_fsync $fh;	1329	aio_fsync $fh;
		1330	}
761	close $fh;	1331	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
763	}	1333	}
764	} else {	1334	} else {
765	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
766	}	1336	}
767		1337
768	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1342	} else {
770	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
771	}	1344	}
772	} else {	1345	} else {
773	aio_unlink $filename;	1346	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
775	}	1348	}
776	}	1349	};
777	}	1350	}
778		1351
779	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
781		1354
…		…
793	or return;	1366	or return;
794		1367
795	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
797	or return;	1370	or return;
		1371
798	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
799	}	1374	}
800		1375
		1376	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
803	return ($data, $av);	1381	($data, $av)
804	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
805		1389
806	#############################################################################	1390	#############################################################################
807	# command handling &c	1391	# command handling &c
808		1392
809	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1407	}
824		1408
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1410
827	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.
828		1416
829	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
830	called.	1418	called.
831		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
832	=cut	1431	=cut
833		1432
834	sub register_extcmd {	1433	sub register_extcmd {
835	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
836		1435
837	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
838	}	1437	}
839		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
840	cf::player->attach (	1447	cf::player->attach (
841	on_command => sub {	1448	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
843		1450
844	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
845	or return;	1452	or return;
846		1453
…		…
851	cf::override;	1458	cf::override;
852	},	1459	},
853	on_extcmd => sub {	1460	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
855		1462
856	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1464
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
864	} else {	1480	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1482	}
867		1483
868	cf::override;	1484	cf::override;
869	},	1485	},
870	);	1486	);
871		1487
		1488	# "readahead" all extensions
872	sub load_extension {	1489	sub cache_extensions {
873	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
874		1491
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1495	}
900	die $@;
901	}	1496	};
902		1497
903	push @EXTS, $pkg;	1498	$grp
904	}	1499	}
905		1500
906	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
907	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1508	next unless -r $path;
909	eval {	1509
910	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	}
911	1	1573	}
912	} 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	}
913	}	1586	};
914	}	1587	}
915		1588
916	#############################################################################	1589	#############################################################################
917		1590
		1591	=back
		1592
918	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
919		1594
920	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
921		1596
922	=cut	1597	=cut
923		1598
924	package cf::player;	1599	package cf::player;
925		1600
…		…
927		1602
928	=head3 cf::player	1603	=head3 cf::player
929		1604
930	=over 4	1605	=over 4
931		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
932	=item cf::player::find $login	1621	=item cf::player::find $login
933		1622
934	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
935		1624
936	=cut	1625	=cut
937		1626
938	sub playerdir($) {	1627	sub playerdir($) {
939	cf::localdir	1628	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1630	}
945		1631
946	sub path($) {	1632	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1634
949	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
950	}	1636	}
951		1637
952	sub find_active($) {	1638	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
957		1643
958	sub exists($) {	1644	sub exists($) {
959	my ($login) = @_;	1645	my ($login) = @_;
960		1646
961	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1648	or !aio_stat path $login
963	}	1649	}
964		1650
965	sub find($) {	1651	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1653	my $login = $_[0];
968		1654
969	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
970		1656
971	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
975	}	1674	}
976	}	1675	}
977	}	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	);
978		1690
979	sub save($) {	1691	sub save($) {
980	my ($pl) = @_;	1692	my ($pl) = @_;
981		1693
982	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
988		1700
989	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
991		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
992	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
993	Coro::cede;	1710	cf::cede_to_tick;
994	}	1711	}
995		1712
996	sub new($) {	1713	sub new($) {
997	my ($login) = @_;	1714	my ($login) = @_;
998		1715
…		…
1004	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1005		1722
1006	$self	1723	$self
1007	}	1724	}
1008		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
1009	=item $pl->quit_character	1736	=item $pl->quit_character
1010		1737
1011	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
1012	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1013		1740
1014	=cut	1741	=cut
1015		1742
1016	sub quit_character {	1743	sub quit_character {
1017	my ($pl) = @_;	1744	my ($pl) = @_;
1018		1745
		1746	my $name = $pl->ob->name;
		1747
1019	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1020	$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
1021		1750
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1023	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1025	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1026		1759
1027	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1786	}
1034		1787
1035	=item cf::player::list_logins	1788	=item cf::player::list_logins
1036		1789
1037	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
1038	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1039		1792
1040	=cut	1793	=cut
1041		1794
1042	sub list_logins {	1795	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1797	or return [];
1045		1798
1046	my @logins;	1799	my @logins;
1047		1800
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1052		1811
1053	utf8::decode $login;	1812	utf8::decode $login;
1054	push @logins, $login;	1813	push @logins, $login;
1055	}	1814	}
1056		1815
1057	\@logins	1816	\@logins
1058	}	1817	}
1059		1818
1060	=item $player->maps	1819	=item $player->maps
1061		1820
		1821	=item cf::player::maps $login
		1822
1062	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1063	player. May block.	1824	player. May block.
1064		1825
1065	=cut	1826	=cut
1066		1827
1067	sub maps($) {	1828	sub maps($) {
1068	my ($pl) = @_;	1829	my ($pl) = @_;
		1830
		1831	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1832
1070	my $files = aio_readdir playerdir $pl	1833	my $files = aio_readdir playerdir $pl
1071	or return;	1834	or return;
1072		1835
1073	my @paths;	1836	my @paths;
…		…
1075	for (@$files) {	1838	for (@$files) {
1076	utf8::decode $_;	1839	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1840	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1841	next unless /^$PATH_SEP/o;
1079		1842
1080	s/\.map$//;	1843	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1844	}
1083		1845
1084	\@paths	1846	\@paths
1085	}	1847	}
1086		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1088		1854
1089	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1090		1856
1091	=cut	1857	=cut
1092		1858
1093	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1095		1861
1096	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1863	}
1100		1864
1101	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		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	}
1102		1907
1103	=back	1908	=back
1104
1105		1909
1106	=head3 cf::map	1910	=head3 cf::map
1107		1911
1108	=over 4	1912	=over 4
1109		1913
…		…
1121	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1123		1927
1124	sub generate_random_map {	1928	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1126	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1127	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)
1140	}	1934	}
		1935
		1936	=item cf::map->register ($regex, $prio)
		1937
		1938	Register a handler for the map path matching the given regex at the
		1939	givne priority (higher is better, built-in handlers have priority 0, the
		1940	default).
		1941
		1942	=cut
1141		1943
1142	sub register {	1944	sub register {
1143	my (undef, $regex) = @_;	1945	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1946	my $pkg = caller;
1145		1947
1146	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1949
1149	$EXT_MAP{$pkg} = qr<$regex>;	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1951	}
1151		1952
1152	# also paths starting with '/'	1953	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1955
1155	sub thawer_merge {	1956	sub thawer_merge {
1156	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1157		1958
1158	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1159	local $self->{path};	1960	local $self->{path};
1160	local $self->{load_path};	1961	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1962
1164	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1165	}	1964	}
1166		1965
1167	sub normalise {	1966	sub normalise {
1168	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
		1968
		1969	$path = "$path"; # make sure it's a string
		1970
		1971	$path =~ s/\.map$//;
1169		1972
1170	# map plan:	1973	# map plan:
1171	#	1974	#
1172	# /! non-realised random map exit (special hack!)	1975	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1976	# {... are special paths that are not being touched
…		…
1186	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1187	$path = "$base/$path";	1990	$path = "$base/$path";
1188	}	1991	}
1189		1992
1190	for ($path) {	1993	for ($path) {
1191	redo if s{//}{/};
1192	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1193	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1194	}	1996	}
1195		1997
1196	$path	1998	$path
…		…
1201		2003
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	2004	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		2005
1204	$path = normalise $path, $base;	2006	$path = normalise $path, $base;
1205		2007
1206	for my $pkg (keys %EXT_MAP) {	2008	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	2009	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	2010	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	2011	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1211	return $self;	2013	return $self;
1212	}	2014	}
1213	}	2015	}
1214		2016
1215	Carp::carp "unable to resolve path '$path'.";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1216	()	2018	()
1217	}	2019	}
1218		2020
		2021	# may re-bless or do other evil things
1219	sub init {	2022	sub init {
1220	my ($self) = @_;	2023	my ($self) = @_;
1221		2024
1222	$self	2025	$self
1223	}	2026	}
…		…
1235		2038
1236	# the original (read-only) location	2039	# the original (read-only) location
1237	sub load_path {	2040	sub load_path {
1238	my ($self) = @_;	2041	my ($self) = @_;
1239		2042
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1241	}	2044	}
1242		2045
1243	# the temporary/swap location	2046	# the temporary/swap location
1244	sub save_path {	2047	sub save_path {
1245	my ($self) = @_;	2048	my ($self) = @_;
1246		2049
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1249	}	2052	}
1250		2053
1251	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1252	sub uniq_path {	2055	sub uniq_path {
1253	my ($self) = @_;	2056	my ($self) = @_;
1254		2057
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1257	}	2060	}
1258		2061
1259	# and all this just because we cannot iterate over	2062	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	2063	my ($self) = @_;
1263		2064
1264	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1266	}	2068	}
1267		2069
1268	sub unlink_save {	2070	sub unlink_save {
1269	my ($self) = @_;	2071	my ($self) = @_;
1270		2072
…		…
1275		2077
1276	sub load_header_from($) {	2078	sub load_header_from($) {
1277	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1278		2080
1279	utf8::encode $path;	2081	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1281	or return;	2083	or return;
1282		2084
1283	$self->_load_header ($path)	2085	$self->_load_header ($f)
1284	or return;	2086	or return;
1285		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1286	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1287		2092
1288	1	2093	1
1289	}	2094	}
1290		2095
		2096	# used to laod the header of an original map
1291	sub load_orig {	2097	sub load_header_orig {
1292	my ($self) = @_;	2098	my ($self) = @_;
1293		2099
1294	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1295	}	2101	}
1296		2102
		2103	# used to laod the header of an instantiated map
1297	sub load_temp {	2104	sub load_header_temp {
1298	my ($self) = @_;	2105	my ($self) = @_;
1299		2106
1300	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
		2108	}
		2109
		2110	# called after loading the header from an instantiated map
		2111	sub prepare_temp {
		2112	my ($self) = @_;
		2113
		2114	$self->last_access ((delete $self->{last_access})
		2115	|| $cf::RUNTIME); #d#
		2116	# safety
		2117	$self->{instantiate_time} = $cf::RUNTIME
		2118	if $self->{instantiate_time} > $cf::RUNTIME;
		2119	}
		2120
		2121	# called after loading the header from an original map
		2122	sub prepare_orig {
		2123	my ($self) = @_;
		2124
		2125	$self->{load_original} = 1;
		2126	$self->{instantiate_time} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128	$self->instantiate;
1301	}	2129	}
1302		2130
1303	sub load_header {	2131	sub load_header {
1304	my ($self) = @_;	2132	my ($self) = @_;
1305		2133
1306	if ($self->load_temp) {	2134	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2135	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2136	} else {
1313	$self->load_orig	2137	$self->load_header_orig
1314	or return;	2138	or return;
1315		2139	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2140	}
		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 $self->default_region;
1321		2147
1322	1	2148	1
1323	}	2149	}
1324		2150
1325	sub find;	2151	sub find;
1326	sub find {	2152	sub find {
1327	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1328		2154
		2155	cf::cede_to_tick;
		2156
1329	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1330		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2161
1333	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1336	or return;	2164	or return;
1337		2165
1338	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1339		2167
1340	$map->load_header	2168	$map->load_header
1341	or return;	2169	or return;
1342		2170
1343	if ($map->should_reset) {	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2172	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1345	$map->reset;	2176	$map->reset;
1346	undef $guard;
1347	$map = find $path	2177	return find $path;
1348	or return;
1349	}	2178	}
1350		2179
1351	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1352	}	2181	}
1353	}	2182	}
		2183
		2184	sub pre_load { }
		2185	#sub post_load { } # XS
1354		2186
1355	sub load {	2187	sub load {
1356	my ($self) = @_;	2188	my ($self) = @_;
1357		2189
		2190	local $self->{deny_reset} = 1; # loading can take a long time
		2191
1358	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1360		2196
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1362		2199
1363	$self->in_memory (cf::MAP_LOADING);
1364
1365	$self->alloc;	2200	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2201
		2202	$self->pre_load;
		2203	cf::cede_to_tick;
		2204
		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)
1367	or return;	2209	or return;
1368		2210
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1370	if delete $self->{load_original};	2212	if delete $self->{load_original};
1371		2213
1372	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2215	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2218	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1377	}	2223	}
1378	}
1379		2224
1380	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1381		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1382	# now do the right thing for maps	2234	# now do the right thing for maps
1383	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2237	unless $self->difficulty;
1393	Coro::cede;	2238	cf::cede_to_tick;
1394	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	$self->post_load_physics;
		2245	cf::cede_to_tick;
		2246	#$self->activate; # no longer activate maps automatically
		2247	}
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
		2251	}
		2252
		2253	$self->post_load;
		2254
1395	}	2255	1
1396
1397	$self->in_memory (cf::MAP_IN_MEMORY);
1398	}	2256	}
1399		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1400	sub customise_for {	2261	sub customise_for {
1401	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1402		2263
1403	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2265	if $self->per_player;
1405		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1406	$self	2270	$self
1407	}	2271	}
1408		2272
1409	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2274	sub load_neighbours {
1411	my ($map) = @_;	2275	my ($map) = @_;
1412		2276
1413	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1414		2278
1415	for (0 .. 3) {	2279	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1417	or next;	2281	or next;
1418	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1419	or next;	2283	or next;
1420	$neigh->load;	2284	$neigh->load;
1421		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2290	}
1425		2291
1426	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1428	or next;	2295	or next;
1429	$neigh->load;	2296	$neigh->load;
1430	}	2297	}
1431	}	2298	}
1432		2299
1433	sub find_sync {	2300	sub find_sync {
1434	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1435		2302
1436	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1437	}	2308	}
1438		2309
1439	sub do_load_sync {	2310	sub do_load_sync {
1440	my ($map) = @_;	2311	my ($map) = @_;
1441		2312
1442	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1443	}	2318	}
1444		2319
1445	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2321	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2322
1459	sub find_async {	2323	sub find_async {
1460	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1461		2325
1462	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1463		2327
1464	if (my $map = $cf::MAP{$path}) {	2328	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2329	return $map if !$load || $map->linkable;
		2330	}
		2331
		2332	$MAP_PREFETCH{$path} |= $load;
		2333
		2334	$MAP_PREFETCHER ||= cf::async {
		2335	$Coro::current->{desc} = "map prefetcher";
		2336
		2337	while (%MAP_PREFETCH) {
		2338	while (my ($k, $v) = each %MAP_PREFETCH) {
		2339	if (my $map = find $k) {
		2340	$map->load if $v;
		2341	}
		2342
		2343	delete $MAP_PREFETCH{$k};
		2344	}
		2345	}
		2346	undef $MAP_PREFETCHER;
1466	}	2347	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2348	$MAP_PREFETCHER->prio (6);
1470		2349
1471	()	2350	()
1472	}	2351	}
1473		2352
		2353	# common code, used by both ->save and ->swapout
1474	sub save {	2354	sub _save {
1475	my ($self) = @_;	2355	my ($self) = @_;
1476
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1478		2356
1479	$self->{last_save} = $cf::RUNTIME;	2357	$self->{last_save} = $cf::RUNTIME;
1480		2358
1481	return unless $self->dirty;	2359	return unless $self->dirty;
1482		2360
…		…
1488	return if $self->{deny_save};	2366	return if $self->{deny_save};
1489		2367
1490	local $self->{last_access} = $self->last_access;#d#	2368	local $self->{last_access} = $self->last_access;#d#
1491		2369
1492	cf::async {	2370	cf::async {
		2371	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2372	$_->contr->save for $self->players;
1494	};	2373	};
		2374
		2375	cf::get_slot 0.02;
1495		2376
1496	if ($uniq) {	2377	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2378	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2379	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2380	} else {
1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2381	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1501	}	2382	}
1502	}	2383	}
1503		2384
		2385	sub save {
		2386	my ($self) = @_;
		2387
		2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2389
		2390	$self->_save;
		2391	}
		2392
1504	sub swap_out {	2393	sub swap_out {
1505	my ($self) = @_;	2394	my ($self) = @_;
1506		2395
1507	# save first because save cedes
1508	$self->save;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2396	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2397
		2398	return if !$self->linkable;
		2399	return if $self->{deny_save};
1512	return if $self->players;	2400	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};
1515		2401
		2402	# first deactivate the map and "unlink" it from the core
		2403	$self->deactivate;
		2404	$_->clear_links_to ($self) for values %cf::MAP;
		2405	$self->state (cf::MAP_SWAPPED);
		2406
		2407	# then atomically save
		2408	$self->_save;
		2409
		2410	# then free the map
1516	$self->clear;	2411	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2412	}
1519		2413
1520	sub reset_at {	2414	sub reset_at {
1521	my ($self) = @_;	2415	my ($self) = @_;
1522		2416
1523	# TODO: safety, remove and allow resettable per-player maps	2417	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2418	return 1e99 if $self->{deny_reset};
1526		2419
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2420	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2421	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2422
…		…
1540	my ($self) = @_;	2433	my ($self) = @_;
1541		2434
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2436
1544	return if $self->players;	2437	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2438
1547	warn "resetting map ", $self->path;#d#	2439	cf::trace "resetting map ", $self->path, "\n";
		2440
		2441	$self->state (cf::MAP_SWAPPED);
		2442
		2443	# need to save uniques path
		2444	unless ($self->{deny_save}) {
		2445	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2446
		2447	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2448	if $uniq;
		2449	}
1548		2450
1549	delete $cf::MAP{$self->path};	2451	delete $cf::MAP{$self->path};
1550		2452
1551	$self->in_memory (cf::MAP_SWAPPED);	2453	$self->deactivate;
		2454	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2455	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2456
1556	$self->unlink_save;	2457	$self->unlink_save;
1557	$self->destroy;	2458	$self->destroy;
1558	}	2459	}
1559		2460
1560	my $nuke_counter = "aaaa";	2461	my $nuke_counter = "aaaa";
1561		2462
1562	sub nuke {	2463	sub nuke {
1563	my ($self) = @_;	2464	my ($self) = @_;
1564		2465
		2466	{
		2467	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2468
1565	delete $cf::MAP{$self->path};	2469	delete $cf::MAP{$self->path};
1566		2470
1567	$self->unlink_save;	2471	$self->unlink_save;
1568		2472
1569	bless $self, "cf::map";	2473	bless $self, "cf::map::wrap";
1570	delete $self->{deny_reset};	2474	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2475	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2476	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2477	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2478
1575	$cf::MAP{$self->path} = $self;	2479	$cf::MAP{$self->path} = $self;
		2480	}
1576		2481
1577	$self->reset; # polite request, might not happen	2482	$self->reset; # polite request, might not happen
		2483	}
		2484
		2485	=item $maps = cf::map::tmp_maps
		2486
		2487	Returns an arrayref with all map paths of currently instantiated and saved
		2488	maps. May block.
		2489
		2490	=cut
		2491
		2492	sub tmp_maps() {
		2493	[
		2494	map {
		2495	utf8::decode $_;
		2496	/\.map$/
		2497	? normalise $_
		2498	: ()
		2499	} @{ aio_readdir $TMPDIR or [] }
		2500	]
		2501	}
		2502
		2503	=item $maps = cf::map::random_maps
		2504
		2505	Returns an arrayref with all map paths of currently instantiated and saved
		2506	random maps. May block.
		2507
		2508	=cut
		2509
		2510	sub random_maps() {
		2511	[
		2512	map {
		2513	utf8::decode $_;
		2514	/\.map$/
		2515	? normalise "?random/$_"
		2516	: ()
		2517	} @{ aio_readdir $RANDOMDIR or [] }
		2518	]
1578	}	2519	}
1579		2520
1580	=item cf::map::unique_maps	2521	=item cf::map::unique_maps
1581		2522
1582	Returns an arrayref of paths of all shared maps that have	2523	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2524	instantiated unique items. May block.
1584		2525
1585	=cut	2526	=cut
1586		2527
1587	sub unique_maps() {	2528	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2529	[
1589	or return;	2530	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2531	utf8::decode $_;
1595	next if /\.pst$/;	2532	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2533	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2534	? ()
		2535	: normalise $_
		2536	} @{ aio_readdir $UNIQUEDIR or [] }
		2537	]
		2538	}
1597		2539
		2540	=item cf::map::static_maps
		2541
		2542	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2543	file in the shared directory excluding F</styles> and F</editor>). May
		2544	block.
		2545
		2546	=cut
		2547
		2548	sub static_maps() {
		2549	my @dirs = "";
		2550	my @maps;
		2551
		2552	while (@dirs) {
		2553	my $dir = shift @dirs;
		2554
		2555	next if $dir eq "/styles" || $dir eq "/editor";
		2556
		2557	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2558	or return;
		2559
		2560	for (@$files) {
1598	s/\.map$//;	2561	s/\.map$// or next;
1599	push @paths, $_;	2562	utf8::decode $_;
1600	}	2563	push @maps, "$dir/$_";
		2564	}
1601		2565
1602	\@paths	2566	push @dirs, map "$dir/$_", @$dirs;
1603	}	2567	}
1604		2568
1605	package cf;	2569	\@maps
		2570	}
1606		2571
1607	=back	2572	=back
1608		2573
1609	=head3 cf::object	2574	=head3 cf::object
1610		2575
…		…
1614		2579
1615	=over 4	2580	=over 4
1616		2581
1617	=item $ob->inv_recursive	2582	=item $ob->inv_recursive
1618		2583
1619	Returns the inventory of the object _and_ their inventories, recursively.	2584	Returns the inventory of the object I<and> their inventories, recursively,
		2585	but I<not> the object itself.
1620		2586
1621	=cut	2587	=cut
1622		2588
1623	sub inv_recursive_;	2589	sub inv_recursive_;
1624	sub inv_recursive_ {	2590	sub inv_recursive_ {
…		…
1627		2593
1628	sub inv_recursive {	2594	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2595	inv_recursive_ inv $_[0]
1630	}	2596	}
1631		2597
		2598	=item $ref = $ob->ref
		2599
		2600	Creates and returns a persistent reference to an object that can be stored as a string.
		2601
		2602	=item $ob = cf::object::deref ($refstring)
		2603
		2604	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2605	even if the object actually exists. May block.
		2606
		2607	=cut
		2608
		2609	sub deref {
		2610	my ($ref) = @_;
		2611
		2612	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2613	my ($uuid, $name) = ($1, $2);
		2614	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2615	or return;
		2616	$pl->ob->uuid eq $uuid
		2617	or return;
		2618
		2619	$pl->ob
		2620	} else {
		2621	warn "$ref: cannot resolve object reference\n";
		2622	undef
		2623	}
		2624	}
		2625
1632	package cf;	2626	package cf;
1633		2627
1634	=back	2628	=back
1635		2629
1636	=head3 cf::object::player	2630	=head3 cf::object::player
…		…
1642	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643	can be C<undef>. Does the right thing when the player is currently in a	2637	can be C<undef>. Does the right thing when the player is currently in a
1644	dialogue with the given NPC character.	2638	dialogue with the given NPC character.
1645		2639
1646	=cut	2640	=cut
		2641
		2642	our $SAY_CHANNEL = {
		2643	id => "say",
		2644	title => "Map",
		2645	reply => "say ",
		2646	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2647	};
		2648
		2649	our $CHAT_CHANNEL = {
		2650	id => "chat",
		2651	title => "Chat",
		2652	reply => "chat ",
		2653	tooltip => "Player chat and shouts, global to the server.",
		2654	};
1647		2655
1648	# rough implementation of a future "reply" method that works	2656	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2657	# with dialog boxes.
1650	#TODO: the first argument must go, split into a $npc->reply_to ( method	2658	#TODO: the first argument must go, split into a $npc->reply_to ( method
1651	sub cf::object::player::reply($$$;$) {	2659	sub cf::object::player::reply($$$;$) {
…		…
1653		2661
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2662	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2663
1656	if ($self->{record_replies}) {	2664	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2665	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2666
1658	} else {	2667	} else {
		2668	my $pl = $self->contr;
		2669
		2670	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2671	my $dialog = $pl->{npc_dialog};
		2672	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2673
		2674	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2675	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2676	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2677	}
1661	}	2678	}
		2679	}
		2680
		2681	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2682
		2683	=cut
		2684
		2685	sub cf::object::send_msg {
		2686	my $pl = shift->contr
		2687	or return;
		2688	$pl->send_msg (@_);
1662	}	2689	}
1663		2690
1664	=item $player_object->may ("access")	2691	=item $player_object->may ("access")
1665		2692
1666	Returns wether the given player is authorized to access resource "access"	2693	Returns wether the given player is authorized to access resource "access"
…		…
1679		2706
1680	=item $player_object->enter_link	2707	=item $player_object->enter_link
1681		2708
1682	Freezes the player and moves him/her to a special map (C<{link}>).	2709	Freezes the player and moves him/her to a special map (C<{link}>).
1683		2710
1684	The player should be reasonably safe there for short amounts of time. You	2711	The player should be reasonably safe there for short amounts of time (e.g.
1685	I<MUST> call C<leave_link> as soon as possible, though.	2712	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2713	though, as the player cannot control the character while it is on the link
		2714	map.
1686		2715
1687	Will never block.	2716	Will never block.
1688		2717
1689	=item $player_object->leave_link ($map, $x, $y)	2718	=item $player_object->leave_link ($map, $x, $y)
1690		2719
…		…
1698	=cut	2727	=cut
1699		2728
1700	sub link_map {	2729	sub link_map {
1701	unless ($LINK_MAP) {	2730	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2731	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2732	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2733	$LINK_MAP->load;
1705	}	2734	}
1706		2735
1707	$LINK_MAP	2736	$LINK_MAP
1708	}	2737	}
…		…
1710	sub cf::object::player::enter_link {	2739	sub cf::object::player::enter_link {
1711	my ($self) = @_;	2740	my ($self) = @_;
1712		2741
1713	$self->deactivate_recursive;	2742	$self->deactivate_recursive;
1714		2743
		2744	++$self->{_link_recursion};
		2745
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2746	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2747
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2749	if $self->map && $self->map->{path} ne "{link}";
1719		2750
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2751	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1721	}	2752	}
1722		2753
1723	sub cf::object::player::leave_link {	2754	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2755	my ($self, $map, $x, $y) = @_;
		2756
		2757	return unless $self->contr->active;
1725		2758
1726	my $link_pos = delete $self->{_link_pos};	2759	my $link_pos = delete $self->{_link_pos};
1727		2760
1728	unless ($map) {	2761	unless ($map) {
1729	# restore original map position	2762	# restore original map position
…		…
1740	($x, $y) = (-1, -1)	2773	($x, $y) = (-1, -1)
1741	unless (defined $x) && (defined $y);	2774	unless (defined $x) && (defined $y);
1742		2775
1743	# use -1 or undef as default coordinates, not 0, 0	2776	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2777	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2778	if $x <= 0 && $y <= 0;
1746		2779
1747	$map->load;	2780	$map->load;
1748	$map->load_diag;	2781	$map->load_neighbours;
1749		2782
1750	return unless $self->contr->active;	2783	return unless $self->contr->active;
		2784
		2785	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2786	if ($self->enter_map ($map, $x, $y)) {
		2787	# entering was successful
		2788	delete $self->{_link_recursion};
		2789	# only activate afterwards, to support waiting in hooks
1751	$self->activate_recursive;	2790	$self->activate_recursive;
1752	$self->enter_map ($map, $x, $y);
1753	}
1754
1755	cf::player->attach (
1756	on_logout => sub {
1757	my ($pl) = @_;
1758
1759	# abort map switching before logout
1760	if ($pl->ob->{_link_pos}) {
1761	cf::sync_job {
1762	$pl->ob->leave_link
1763	};
1764	}
1765	},	2791	}
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2792
1769	# try to abort aborted map switching on player login :)	2793	}
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786		2794
1787	=item $player_object->goto ($path, $x, $y)	2795	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1788		2796
		2797	Moves the player to the given map-path and coordinates by first freezing
		2798	her, loading and preparing them map, calling the provided $check callback
		2799	that has to return the map if sucecssful, and then unfreezes the player on
		2800	the new (success) or old (failed) map position. In either case, $done will
		2801	be called at the end of this process.
		2802
		2803	Note that $check will be called with a potentially non-loaded map, so if
		2804	it needs a loaded map it has to call C<< ->load >>.
		2805
1789	=cut	2806	=cut
		2807
		2808	our $GOTOGEN;
1790		2809
1791	sub cf::object::player::goto {	2810	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2811	my ($self, $path, $x, $y, $check, $done) = @_;
		2812
		2813	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2814	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2815	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2816	($path, $x, $y) = @$EMERGENCY_POSITION;
		2817	}
		2818
		2819	# do generation counting so two concurrent goto's will be executed in-order
		2820	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2821
1794	$self->enter_link;	2822	$self->enter_link;
1795		2823
1796	(async {	2824	(async {
1797	my $map = cf::map::find $path;	2825	$Coro::current->{desc} = "player::goto $path $x $y";
		2826
		2827	# *tag paths override both path and x|y
		2828	if ($path =~ /^\*(.*)$/) {
		2829	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2830	my $ob = $obs[rand @obs];
		2831
		2832	# see if we actually can go there
		2833	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2834	$ob = $obs[rand @obs];
		2835	} else {
		2836	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2837	}
		2838	# else put us there anyways for now #d#
		2839
		2840	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2841	} else {
		2842	($path, $x, $y) = (undef, undef, undef);
		2843	}
		2844	}
		2845
		2846	my $map = eval {
		2847	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2848
		2849	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2850	$map = $map->customise_for ($self);
1799		2851	$map = $check->($map, $x, $y, $self) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2852	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2853	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2854	}
1804		2855
		2856	$map
		2857	};
		2858
		2859	if ($@) {
		2860	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2861	LOG llevError | logBacktrace, Carp::longmess $@;
		2862	}
		2863
		2864	if ($gen == $self->{_goto_generation}) {
		2865	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2866	$self->leave_link ($map, $x, $y);
		2867	}
		2868
		2869	$done->($self) if $done;
1806	})->prio (1);	2870	})->prio (1);
1807	}	2871	}
1808		2872
1809	=item $player_object->enter_exit ($exit_object)	2873	=item $player_object->enter_exit ($exit_object)
1810		2874
…		…
1812		2876
1813	sub parse_random_map_params {	2877	sub parse_random_map_params {
1814	my ($spec) = @_;	2878	my ($spec) = @_;
1815		2879
1816	my $rmp = { # defaults	2880	my $rmp = { # defaults
1817	xsize => -1,	2881	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2882	ysize => (cf::rndm 15, 40),
		2883	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2884	#layout => string,
1819	};	2885	};
1820		2886
1821	for (split /\n/, $spec) {	2887	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2888	my ($k, $v) = split /\s+/, $_, 2;
1823		2889
…		…
1835	# that depends on the exit object	2901	# that depends on the exit object
1836		2902
1837	my $rmp = parse_random_map_params $exit->msg;	2903	my $rmp = parse_random_map_params $exit->msg;
1838		2904
1839	if ($exit->map) {	2905	if ($exit->map) {
1840	$rmp->{region} = $exit->map->region_name;	2906	$rmp->{region} = $exit->region->name;
1841	$rmp->{origin_map} = $exit->map->path;	2907	$rmp->{origin_map} = $exit->map->path;
1842	$rmp->{origin_x} = $exit->x;	2908	$rmp->{origin_x} = $exit->x;
1843	$rmp->{origin_y} = $exit->y;	2909	$rmp->{origin_y} = $exit->y;
		2910
		2911	$exit->map->touch;
1844	}	2912	}
1845		2913
1846	$rmp->{random_seed} ||= $exit->random_seed;	2914	$rmp->{random_seed} ||= $exit->random_seed;
1847		2915
1848	my $data = cf::to_json $rmp;	2916	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1849	my $md5 = Digest::MD5::md5_hex $data;	2917	my $md5 = Digest::MD5::md5_hex $data;
1850	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2918	my $meta = "$RANDOMDIR/$md5.meta";
1851		2919
1852	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2920	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2921	aio_write $fh, 0, (length $data), $data, 0;
1854	undef $fh;	2922	undef $fh;
1855	aio_rename "$meta~", $meta;	2923	aio_rename "$meta~", $meta;
1856		2924
		2925	my $slaying = "?random/$md5";
		2926
		2927	if ($exit->valid) {
1857	$exit->slaying ("?random/$md5");	2928	$exit->slaying ("?random/$md5");
1858	$exit->msg (undef);	2929	$exit->msg (undef);
		2930	}
1859	}	2931	}
1860	}	2932	}
1861		2933
1862	sub cf::object::player::enter_exit {	2934	sub cf::object::player::enter_exit {
1863	my ($self, $exit) = @_;	2935	my ($self, $exit) = @_;
…		…
1865	return unless $self->type == cf::PLAYER;	2937	return unless $self->type == cf::PLAYER;
1866		2938
1867	$self->enter_link;	2939	$self->enter_link;
1868		2940
1869	(async {	2941	(async {
1870	$self->deactivate_recursive; # just to be sure	2942	$Coro::current->{desc} = "enter_exit";
		2943
1871	unless (eval {	2944	unless (eval {
		2945	$self->deactivate_recursive; # just to be sure
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
		2951	# special map handling
		2952	my $slaying = $exit->slaying;
		2953
		2954	# special map handling
		2955	if ($slaying eq "/!") {
		2956	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2957
1872	prepare_random_map $exit	2958	prepare_random_map $exit
		2959	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2960
1873	if $exit->slaying eq "/!";	2961	$map = $exit->slaying;
1874		2962
1875	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2963	} elsif ($slaying eq '!up') {
1876	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2964	$map = $exit->map->tile_path (cf::TILE_UP);
		2965	$x = $exit->x;
		2966	$y = $exit->y;
1877		2967
		2968	} elsif ($slaying eq '!down') {
		2969	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2970	$x = $exit->x;
		2971	$y = $exit->y;
		2972	}
		2973
		2974	$self->goto ($map, $x, $y);
		2975
		2976	# if exit is damned, update players death & WoR home-position
		2977	$self->contr->savebed ($map, $x, $y)
		2978	if $exit->flag (cf::FLAG_DAMNED);
		2979
1878	1;	2980	1
1879	}) {	2981	}) {
1880	$self->message ("Something went wrong deep within the crossfire server. "	2982	$self->message ("Something went wrong deep within the deliantra server. "
1881	. "I'll try to bring you back to the map you were before. "	2983	. "I'll try to bring you back to the map you were before. "
1882	. "Please report this to the dungeon master!",	2984	. "Please report this to the dungeon master!",
1883	cf::NDI_UNIQUE | cf::NDI_RED);	2985	cf::NDI_UNIQUE | cf::NDI_RED);
1884		2986
1885	warn "ERROR in enter_exit: $@";	2987	error "ERROR in enter_exit: $@";
1886	$self->leave_link;	2988	$self->leave_link;
1887	}	2989	}
1888	})->prio (1);	2990	})->prio (1);
1889	}	2991	}
1890		2992
…		…
1901		3003
1902	sub cf::client::send_drawinfo {	3004	sub cf::client::send_drawinfo {
1903	my ($self, $text, $flags) = @_;	3005	my ($self, $text, $flags) = @_;
1904		3006
1905	utf8::encode $text;	3007	utf8::encode $text;
1906	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3008	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1907	}	3009	}
1908		3010
		3011	=item $client->send_big_packet ($pkt)
		3012
		3013	Like C<send_packet>, but tries to compress large packets, and fragments
		3014	them as required.
		3015
		3016	=cut
		3017
		3018	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3019
		3020	sub cf::client::send_big_packet {
		3021	my ($self, $pkt) = @_;
		3022
		3023	# try lzf for large packets
		3024	$pkt = "lzf " . Compress::LZF::compress $pkt
		3025	if 1024 <= length $pkt and $self->{can_lzf};
		3026
		3027	# split very large packets
		3028	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3029	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3030	$pkt = "frag";
		3031	}
		3032
		3033	$self->send_packet ($pkt);
		3034	}
		3035
		3036	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3037
		3038	Send a drawinfo or msg packet to the client, formatting the msg for the
		3039	client if neccessary. C<$type> should be a string identifying the type of
		3040	the message, with C<log> being the default. If C<$color> is negative, suppress
		3041	the message unless the client supports the msg packet.
		3042
		3043	=cut
		3044
		3045	# non-persistent channels (usually the info channel)
		3046	our %CHANNEL = (
		3047	"c/motd" => {
		3048	id => "infobox",
		3049	title => "MOTD",
		3050	reply => undef,
		3051	tooltip => "The message of the day",
		3052	},
		3053	"c/identify" => {
		3054	id => "infobox",
		3055	title => "Identify",
		3056	reply => undef,
		3057	tooltip => "Items recently identified",
		3058	},
		3059	"c/examine" => {
		3060	id => "infobox",
		3061	title => "Examine",
		3062	reply => undef,
		3063	tooltip => "Signs and other items you examined",
		3064	},
		3065	"c/shopinfo" => {
		3066	id => "infobox",
		3067	title => "Shop Info",
		3068	reply => undef,
		3069	tooltip => "What your bargaining skill tells you about the shop",
		3070	},
		3071	"c/book" => {
		3072	id => "infobox",
		3073	title => "Book",
		3074	reply => undef,
		3075	tooltip => "The contents of a note or book",
		3076	},
		3077	"c/lookat" => {
		3078	id => "infobox",
		3079	title => "Look",
		3080	reply => undef,
		3081	tooltip => "What you saw there",
		3082	},
		3083	"c/who" => {
		3084	id => "infobox",
		3085	title => "Players",
		3086	reply => undef,
		3087	tooltip => "Shows players who are currently online",
		3088	},
		3089	"c/body" => {
		3090	id => "infobox",
		3091	title => "Body Parts",
		3092	reply => undef,
		3093	tooltip => "Shows which body parts you posess and are available",
		3094	},
		3095	"c/statistics" => {
		3096	id => "infobox",
		3097	title => "Statistics",
		3098	reply => undef,
		3099	tooltip => "Shows your primary statistics",
		3100	},
		3101	"c/skills" => {
		3102	id => "infobox",
		3103	title => "Skills",
		3104	reply => undef,
		3105	tooltip => "Shows your experience per skill and item power",
		3106	},
		3107	"c/shopitems" => {
		3108	id => "infobox",
		3109	title => "Shop Items",
		3110	reply => undef,
		3111	tooltip => "Shows the items currently for sale in this shop",
		3112	},
		3113	"c/resistances" => {
		3114	id => "infobox",
		3115	title => "Resistances",
		3116	reply => undef,
		3117	tooltip => "Shows your resistances",
		3118	},
		3119	"c/pets" => {
		3120	id => "infobox",
		3121	title => "Pets",
		3122	reply => undef,
		3123	tooltip => "Shows information abotu your pets/a specific pet",
		3124	},
		3125	"c/perceiveself" => {
		3126	id => "infobox",
		3127	title => "Perceive Self",
		3128	reply => undef,
		3129	tooltip => "You gained detailed knowledge about yourself",
		3130	},
		3131	"c/uptime" => {
		3132	id => "infobox",
		3133	title => "Uptime",
		3134	reply => undef,
		3135	tooltip => "How long the server has been running since last restart",
		3136	},
		3137	"c/mapinfo" => {
		3138	id => "infobox",
		3139	title => "Map Info",
		3140	reply => undef,
		3141	tooltip => "Information related to the maps",
		3142	},
		3143	"c/party" => {
		3144	id => "party",
		3145	title => "Party",
		3146	reply => "gsay ",
		3147	tooltip => "Messages and chat related to your party",
		3148	},
		3149	"c/death" => {
		3150	id => "death",
		3151	title => "Death",
		3152	reply => undef,
		3153	tooltip => "Reason for and more info about your most recent death",
		3154	},
		3155	"c/say" => $SAY_CHANNEL,
		3156	"c/chat" => $CHAT_CHANNEL,
		3157	);
		3158
		3159	sub cf::client::send_msg {
		3160	my ($self, $channel, $msg, $color, @extra) = @_;
		3161
		3162	$msg = $self->pl->expand_cfpod ($msg)
		3163	unless $color & cf::NDI_VERBATIM;
		3164
		3165	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3166
		3167	# check predefined channels, for the benefit of C
		3168	if ($CHANNEL{$channel}) {
		3169	$channel = $CHANNEL{$channel};
		3170
		3171	$self->ext_msg (channel_info => $channel);
		3172	$channel = $channel->{id};
		3173
		3174	} elsif (ref $channel) {
		3175	# send meta info to client, if not yet sent
		3176	unless (exists $self->{channel}{$channel->{id}}) {
		3177	$self->{channel}{$channel->{id}} = $channel;
		3178	$self->ext_msg (channel_info => $channel);
		3179	}
		3180
		3181	$channel = $channel->{id};
		3182	}
		3183
		3184	return unless @extra || length $msg;
		3185
		3186	# default colour, mask it out
		3187	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3188	if $color & cf::NDI_DEF;
		3189
		3190	my $pkt = "msg "
		3191	. $self->{json_coder}->encode (
		3192	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3193	);
		3194
		3195	$self->send_big_packet ($pkt);
		3196	}
		3197
		3198	=item $client->ext_msg ($type, @msg)
		3199
		3200	Sends an ext event to the client.
		3201
		3202	=cut
		3203
		3204	sub cf::client::ext_msg($$@) {
		3205	my ($self, $type, @msg) = @_;
		3206
		3207	if ($self->extcmd == 2) {
		3208	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3209	} elsif ($self->extcmd == 1) { # TODO: remove
		3210	push @msg, msgtype => "event_$type";
		3211	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3212	}
		3213	}
		3214
		3215	=item $client->ext_reply ($msgid, @msg)
		3216
		3217	Sends an ext reply to the client.
		3218
		3219	=cut
		3220
		3221	sub cf::client::ext_reply($$@) {
		3222	my ($self, $id, @msg) = @_;
		3223
		3224	if ($self->extcmd == 2) {
		3225	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3226	} elsif ($self->extcmd == 1) {
		3227	#TODO: version 1, remove
		3228	unshift @msg, msgtype => "reply", msgid => $id;
		3229	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3230	}
		3231	}
1909		3232
1910	=item $success = $client->query ($flags, "text", \&cb)	3233	=item $success = $client->query ($flags, "text", \&cb)
1911		3234
1912	Queues a query to the client, calling the given callback with	3235	Queues a query to the client, calling the given callback with
1913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3236	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3237	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1915		3238
1916	Queries can fail, so check the return code. Or don't, as queries will become	3239	Queries can fail, so check the return code. Or don't, as queries will
1917	reliable at some point in the future.	3240	become reliable at some point in the future.
1918		3241
1919	=cut	3242	=cut
1920		3243
1921	sub cf::client::query {	3244	sub cf::client::query {
1922	my ($self, $flags, $text, $cb) = @_;	3245	my ($self, $flags, $text, $cb) = @_;
…		…
1930	utf8::encode $text;	3253	utf8::encode $text;
1931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3254	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1932		3255
1933	$self->send_packet ($self->{query_queue}[0][0])	3256	$self->send_packet ($self->{query_queue}[0][0])
1934	if @{ $self->{query_queue} } == 1;	3257	if @{ $self->{query_queue} } == 1;
		3258
		3259	1
1935	}	3260	}
1936		3261
1937	cf::client->attach (	3262	cf::client->attach (
		3263	on_connect => sub {
		3264	my ($ns) = @_;
		3265
		3266	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3267	},
1938	on_reply => sub {	3268	on_reply => sub {
1939	my ($ns, $msg) = @_;	3269	my ($ns, $msg) = @_;
1940		3270
1941	# this weird shuffling is so that direct followup queries	3271	# this weird shuffling is so that direct followup queries
1942	# get handled first	3272	# get handled first
1943	my $queue = delete $ns->{query_queue}	3273	my $queue = delete $ns->{query_queue}
1944	or return; # be conservative, not sure how that can happen, but we saw a crash here	3274	or return; # be conservative, not sure how that can happen, but we saw a crash here
1945		3275
1946	(shift @$queue)->[1]->($msg);	3276	(shift @$queue)->[1]->($msg);
		3277	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1947		3278
1948	push @{ $ns->{query_queue} }, @$queue;	3279	push @{ $ns->{query_queue} }, @$queue;
1949		3280
1950	if (@{ $ns->{query_queue} } == @$queue) {	3281	if (@{ $ns->{query_queue} } == @$queue) {
1951	if (@$queue) {	3282	if (@$queue) {
…		…
1953	} else {	3284	} else {
1954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3285	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1955	}	3286	}
1956	}	3287	}
1957	},	3288	},
		3289	on_exticmd => sub {
		3290	my ($ns, $buf) = @_;
		3291
		3292	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3293
		3294	if (ref $msg) {
		3295	my ($type, $reply, @payload) =
		3296	"ARRAY" eq ref $msg
		3297	? @$msg
		3298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3299
		3300	my @reply;
		3301
		3302	if (my $cb = $EXTICMD{$type}) {
		3303	@reply = $cb->($ns, @payload);
		3304	}
		3305
		3306	$ns->ext_reply ($reply, @reply)
		3307	if $reply;
		3308
		3309	} else {
		3310	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3311	}
		3312
		3313	cf::override;
		3314	},
1958	);	3315	);
1959		3316
1960	=item $client->async (\&cb)	3317	=item $client->async (\&cb)
1961		3318
1962	Create a new coroutine, running the specified callback. The coroutine will	3319	Create a new coroutine, running the specified callback. The coroutine will
…		…
1978		3335
1979	$coro	3336	$coro
1980	}	3337	}
1981		3338
1982	cf::client->attach (	3339	cf::client->attach (
1983	on_destroy => sub {	3340	on_client_destroy => sub {
1984	my ($ns) = @_;	3341	my ($ns) = @_;
1985		3342
1986	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3343	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1987	},	3344	},
1988	);	3345	);
…		…
2003	our $safe = new Safe "safe";	3360	our $safe = new Safe "safe";
2004	our $safe_hole = new Safe::Hole;	3361	our $safe_hole = new Safe::Hole;
2005		3362
2006	$SIG{FPE} = 'IGNORE';	3363	$SIG{FPE} = 'IGNORE';
2007		3364
2008	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3365	$safe->permit_only (Opcode::opset qw(
		3366	:base_core :base_mem :base_orig :base_math :base_loop
		3367	grepstart grepwhile mapstart mapwhile
		3368	sort time
		3369	));
2009		3370
2010	# here we export the classes and methods available to script code	3371	# here we export the classes and methods available to script code
2011		3372
2012	=pod	3373	=pod
2013		3374
2014	The following fucntions and emthods are available within a safe environment:	3375	The following functions and methods are available within a safe environment:
2015		3376
2016	cf::object contr pay_amount pay_player map	3377	cf::object
		3378	contr pay_amount pay_player map x y force_find force_add destroy
		3379	insert remove name archname title slaying race decrease split
		3380	value
		3381
2017	cf::object::player player	3382	cf::object::player
2018	cf::player peaceful	3383	player
2019	cf::map trigger	3384
		3385	cf::player
		3386	peaceful
		3387
		3388	cf::map
		3389	trigger
2020		3390
2021	=cut	3391	=cut
2022		3392
2023	for (	3393	for (
2024	["cf::object" => qw(contr pay_amount pay_player map)],	3394	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3395	insert remove inv nrof name archname title slaying race
		3396	decrease split destroy change_exp value msg lore send_msg)],
2025	["cf::object::player" => qw(player)],	3397	["cf::object::player" => qw(player)],
2026	["cf::player" => qw(peaceful)],	3398	["cf::player" => qw(peaceful send_msg)],
2027	["cf::map" => qw(trigger)],	3399	["cf::map" => qw(trigger)],
2028	) {	3400	) {
2029	no strict 'refs';
2030	my ($pkg, @funs) = @$_;	3401	my ($pkg, @funs) = @$_;
2031	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3402	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2032	for @funs;	3403	for @funs;
2033	}	3404	}
2034		3405
…		…
2049		3420
2050	my $qcode = $code;	3421	my $qcode = $code;
2051	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3422	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2052	$qcode =~ s/\n/\\n/g;	3423	$qcode =~ s/\n/\\n/g;
2053		3424
		3425	%vars = (_dummy => 0) unless %vars;
		3426
		3427	my @res;
2054	local $_;	3428	local $_;
2055	local @safe::cf::_safe_eval_args = values %vars;
2056		3429
2057	my $eval =	3430	my $eval =
2058	"do {\n"	3431	"do {\n"
2059	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3432	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2060	. "#line 0 \"{$qcode}\"\n"	3433	. "#line 0 \"{$qcode}\"\n"
2061	. $code	3434	. $code
2062	. "\n}"	3435	. "\n}"
2063	;	3436	;
2064		3437
		3438	if ($CFG{safe_eval}) {
2065	sub_generation_inc;	3439	sub_generation_inc;
		3440	local @safe::cf::_safe_eval_args = values %vars;
2066	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3441	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2067	sub_generation_inc;	3442	sub_generation_inc;
		3443	} else {
		3444	local @cf::_safe_eval_args = values %vars;
		3445	@res = wantarray ? eval eval : scalar eval $eval;
		3446	}
2068		3447
2069	if ($@) {	3448	if ($@) {
2070	warn "$@";	3449	warn "$@",
2071	warn "while executing safe code '$code'\n";	3450	"while executing safe code '$code'\n",
2072	warn "with arguments " . (join " ", %vars) . "\n";	3451	"with arguments " . (join " ", %vars) . "\n";
2073	}	3452	}
2074		3453
2075	wantarray ? @res : $res[0]	3454	wantarray ? @res : $res[0]
2076	}	3455	}
2077		3456
…		…
2091	=cut	3470	=cut
2092		3471
2093	sub register_script_function {	3472	sub register_script_function {
2094	my ($fun, $cb) = @_;	3473	my ($fun, $cb) = @_;
2095		3474
2096	no strict 'refs';	3475	$fun = "safe::$fun" if $CFG{safe_eval};
2097	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3476	*$fun = $safe_hole->wrap ($cb);
2098	}	3477	}
2099		3478
2100	=back	3479	=back
2101		3480
2102	=cut	3481	=cut
2103		3482
2104	#############################################################################	3483	#############################################################################
		3484	# the server's init and main functions
2105		3485
2106	=head2 EXTENSION DATABASE SUPPORT	3486	sub load_facedata($) {
		3487	my ($path) = @_;
2107		3488
2108	Crossfire maintains a very simple database for extension use. It can	3489	# HACK to clear player env face cache, we need some signal framework
2109	currently store anything that can be serialised using Storable, which	3490	# for this (global event?)
2110	excludes objects.	3491	%ext::player_env::MUSIC_FACE_CACHE = ();
2111		3492
2112	The parameter C<$family> should best start with the name of the extension	3493	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2113	using it, it should be unique.
2114		3494
2115	=over 4	3495	trace "loading facedata from $path\n";
2116		3496
2117	=item $hashref = cf::db_get $family	3497	my $facedata = decode_storable load_file $path;
2118		3498
2119	Return a hashref for use by the extension C<$family>, which can be	3499	$facedata->{version} == 2
2120	modified. After modifications, you have to call C<cf::db_dirty> or	3500	or cf::cleanup "$path: version mismatch, cannot proceed.";
2121	C<cf::db_sync>.
2122		3501
2123	=item $value = cf::db_get $family => $key	3502	# patch in the exptable
2124		3503	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2125	Returns a single value from the database	3504	$facedata->{resource}{"res/exp_table"} = {
2126		3505	type => FT_RSRC,
2127	=item cf::db_put $family => $hashref	3506	data => $exp_table,
2128		3507	hash => (Digest::MD5::md5 $exp_table),
2129	Stores the given family hashref into the database. Updates are delayed, if
2130	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2131
2132	=item cf::db_put $family => $key => $value
2133
2134	Stores the given C<$value> in the family hash. Updates are delayed, if you
2135	want the data to be synced to disk immediately, use C<cf::db_sync>.
2136
2137	=item cf::db_dirty
2138
2139	Marks the database as dirty, to be updated at a later time.
2140
2141	=item cf::db_sync
2142
2143	Immediately write the database to disk I<if it is dirty>.
2144
2145	=cut
2146
2147	our $DB;
2148
2149	{
2150	my $path = cf::localdir . "/database.pst";
2151
2152	sub db_load() {
2153	$DB = stat $path ? Storable::retrieve $path : { };
2154	}
2155
2156	my $pid;
2157
2158	sub db_save() {
2159	waitpid $pid, 0 if $pid;
2160	if (0 == ($pid = fork)) {
2161	$DB->{_meta}{version} = 1;
2162	Storable::nstore $DB, "$path~";
2163	rename "$path~", $path;
2164	cf::_exit 0 if defined $pid;
2165	}
2166	}
2167
2168	my $dirty;
2169
2170	sub db_sync() {
2171	db_save if $dirty;
2172	undef $dirty;
2173	}
2174
2175	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2176	db_sync;
2177	});	3508	};
		3509	cf::cede_to_tick;
2178		3510
2179	sub db_dirty() {
2180	$dirty = 1;
2181	$idle->start;
2182	}	3511	{
		3512	my $faces = $facedata->{faceinfo};
2183		3513
2184	sub db_get($;$) {	3514	while (my ($face, $info) = each %$faces) {
2185	@_ >= 2	3515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2186	? $DB->{$_[0]}{$_[1]}
2187	: ($DB->{$_[0]} ||= { })
2188	}
2189		3516
2190	sub db_put($$;$) {	3517	cf::face::set_visibility $idx, $info->{visibility};
2191	if (@_ >= 3) {	3518	cf::face::set_magicmap $idx, $info->{magicmap};
2192	$DB->{$_[0]}{$_[1]} = $_[2];	3519	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2193	} else {	3520	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2194	$DB->{$_[0]} = $_[1];	3521	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2195	}
2196	db_dirty;
2197	}
2198		3522
2199	cf::global->attach (	3523	cf::cede_to_tick;
2200	prio => 10000,
2201	on_cleanup => sub {
2202	db_sync;
2203	},	3524	}
2204	);
2205	}
2206		3525
2207	#############################################################################	3526	while (my ($face, $info) = each %$faces) {
2208	# the server's main()	3527	next unless $info->{smooth};
2209		3528
2210	sub cfg_load {	3529	my $idx = cf::face::find $face
2211	open my $fh, "<:utf8", cf::confdir . "/config"	3530	or next;
2212	or return;
2213		3531
2214	local $/;	3532	if (my $smooth = cf::face::find $info->{smooth}) {
2215	*CFG = YAML::Syck::Load <$fh>;	3533	cf::face::set_smooth $idx, $smooth;
		3534	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3535	} else {
		3536	error "smooth face '$info->{smooth}' not found for face '$face'";
		3537	}
2216		3538
		3539	cf::cede_to_tick;
		3540	}
		3541	}
		3542
		3543	{
		3544	my $anims = $facedata->{animinfo};
		3545
		3546	while (my ($anim, $info) = each %$anims) {
		3547	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3548	cf::cede_to_tick;
		3549	}
		3550
		3551	cf::anim::invalidate_all; # d'oh
		3552	}
		3553
		3554	{
		3555	my $res = $facedata->{resource};
		3556
		3557	while (my ($name, $info) = each %$res) {
		3558	if (defined $info->{type}) {
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $info->{type};
		3563	} else {
		3564	$RESOURCE{$name} = $info; # unused
		3565	}
		3566
		3567	cf::cede_to_tick;
		3568	}
		3569	}
		3570
		3571	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3572
		3573	1
		3574	}
		3575
		3576	register_exticmd fx_want => sub {
		3577	my ($ns, $want) = @_;
		3578
		3579	while (my ($k, $v) = each %$want) {
		3580	$ns->fx_want ($k, $v);
		3581	}
		3582	};
		3583
		3584	sub load_resource_file($) {
		3585	my $guard = lock_acquire "load_resource_file";
		3586
		3587	my $status = load_resource_file_ $_[0];
		3588	get_slot 0.1, 100;
		3589	cf::arch::commit_load;
		3590
		3591	$status
		3592	}
		3593
		3594	sub reload_regions {
		3595	# HACK to clear player env face cache, we need some signal framework
		3596	# for this (global event?)
		3597	%ext::player_env::MUSIC_FACE_CACHE = ();
		3598
		3599	load_resource_file "$MAPDIR/regions"
		3600	or die "unable to load regions file\n";
		3601
		3602	for (cf::region::list) {
		3603	$_->{match} = qr/$_->{match}/
		3604	if exists $_->{match};
		3605	}
		3606	}
		3607
		3608	sub reload_facedata {
		3609	load_facedata "$DATADIR/facedata"
		3610	or die "unable to load facedata\n";
		3611	}
		3612
		3613	sub reload_archetypes {
		3614	load_resource_file "$DATADIR/archetypes"
		3615	or die "unable to load archetypes\n";
		3616	}
		3617
		3618	sub reload_treasures {
		3619	load_resource_file "$DATADIR/treasures"
		3620	or die "unable to load treasurelists\n";
		3621	}
		3622
		3623	sub reload_sound {
		3624	trace "loading sound config from $DATADIR/sound\n";
		3625
		3626	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3627
		3628	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3629	my $sound = $soundconf->{compat}[$_]
		3630	or next;
		3631
		3632	my $face = cf::face::find "sound/$sound->[1]";
		3633	cf::sound::set $sound->[0] => $face;
		3634	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3635	}
		3636
		3637	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3638	my $face = cf::face::find "sound/$v";
		3639	cf::sound::set $k => $face;
		3640	}
		3641	}
		3642
		3643	sub reload_resources {
		3644	trace "reloading resource files...\n";
		3645
		3646	reload_exp_table;
		3647	reload_materials;
		3648	reload_facedata;
		3649	reload_sound;
		3650	reload_archetypes;
		3651	reload_regions;
		3652	reload_treasures;
		3653
		3654	trace "finished reloading resource files\n";
		3655	}
		3656
		3657	sub reload_config {
		3658	trace "reloading config file...\n";
		3659
		3660	my $config = load_file "$CONFDIR/config";
		3661	utf8::decode $config;
		3662	*CFG = decode_yaml $config;
		3663
2217	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3664	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2218		3665
2219	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3666	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2220	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3667	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2221		3668
2222	if (exists $CFG{mlockall}) {	3669	if (exists $CFG{mlockall}) {
…		…
2226	};	3673	};
2227	warn $@ if $@;	3674	warn $@ if $@;
2228	}	3675	}
2229	}	3676	}
2230		3677
		3678	sub pidfile() {
		3679	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3680	or die "$PIDFILE: $!";
		3681	flock $fh, &Fcntl::LOCK_EX
		3682	or die "$PIDFILE: flock: $!";
		3683	$fh
		3684	}
		3685
		3686	# make sure only one server instance is running at any one time
		3687	sub atomic {
		3688	my $fh = pidfile;
		3689
		3690	my $pid = <$fh>;
		3691	kill 9, $pid if $pid > 0;
		3692
		3693	seek $fh, 0, 0;
		3694	print $fh $$;
		3695	}
		3696
		3697	sub main_loop {
		3698	trace "EV::loop starting\n";
		3699	if (1) {
		3700	EV::loop;
		3701	}
		3702	trace "EV::loop returned\n";
		3703	goto &main_loop unless $REALLY_UNLOOP;
		3704	}
		3705
2231	sub main {	3706	sub main {
		3707	cf::init_globals; # initialise logging
		3708
		3709	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3710	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3711	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3712	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3713
		3714	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3715
2232	# we must not ever block the main coroutine	3716	# we must not ever block the main coroutine
2233	local $Coro::idle = sub {	3717	local $Coro::idle = sub {
2234	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3718	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2235	(async {	3719	(async {
2236	Event::one_event;	3720	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3721	EV::loop EV::LOOP_ONESHOT;
2237	})->prio (Coro::PRIO_MAX);	3722	})->prio (Coro::PRIO_MAX);
2238	};	3723	};
2239		3724
2240	cfg_load;	3725	evthread_start IO::AIO::poll_fileno;
2241	db_load;	3726
		3727	cf::sync_job {
		3728	cf::incloader::init ();
		3729
		3730	cf::init_anim;
		3731	cf::init_attackmess;
		3732	cf::init_dynamic;
		3733
		3734	cf::load_settings;
		3735
		3736	reload_resources;
		3737	reload_config;
		3738	db_init;
		3739
		3740	cf::init_uuid;
		3741	cf::init_signals;
		3742	cf::init_skills;
		3743
		3744	cf::init_beforeplay;
		3745
		3746	atomic;
		3747
2242	load_extensions;	3748	load_extensions;
2243	Event::loop;	3749
		3750	utime time, time, $RUNTIMEFILE;
		3751
		3752	# no (long-running) fork's whatsoever before this point(!)
		3753	use POSIX ();
		3754	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3755
		3756	cf::_post_init 0;
		3757	};
		3758
		3759	cf::object::thawer::errors_are_fatal 0;
		3760	info "parse errors in files are no longer fatal from this point on.\n";
		3761
		3762	my $free_main; $free_main = EV::idle sub {
		3763	undef $free_main;
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2244	}	3768	}
2245		3769
2246	#############################################################################	3770	#############################################################################
2247	# initialisation and cleanup	3771	# initialisation and cleanup
2248		3772
2249	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2250	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2251	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2253	data => WF_AUTOCANCEL,
2254	signal => $signal,
2255	cb => sub {
2256	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2257	},
2258	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2259	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2260	}	3869	}
2261		3870
2262	sub emergency_save() {	3871	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2264		3873
2265	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2266		3880
2267	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2268	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2269	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2270	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2271	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2272	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2273	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2274	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2275	$pl->save;	3892	$pl->save;
2276	}	3893	}
2277	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2278		3895
2279	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2280	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2281	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	3901	$map->valid or next;
2283	$map->save;	3902	$map->save;
2284	}	3903	}
2285	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
		3905
		3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
		3909	BDB::db_env_txn_checkpoint $DB_ENV;
		3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2286	};	3934	};
2287		3935
2288	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2289	}	3937	}
2290		3938
		3939	sub post_cleanup {
		3940	my ($make_core) = @_;
		3941
		3942	IO::AIO::flush;
		3943
		3944	error Carp::longmess "post_cleanup backtrace"
		3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
		3974	}
		3975
2291	sub reload() {	3976	sub do_reload_perl() {
2292	# can/must only be called in main	3977	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2294	warn "can only reload from main coroutine\n";	3979	error "can only reload from main coroutine";
2295	return;	3980	return;
2296	}	3981	}
2297		3982
2298	warn "reloading...";	3983	return if $RELOAD++;
2299		3984
2300	warn "freezing server";	3985	my $t1 = AE::time;
2301	my $guard = freeze_mainloop;	3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
		3993	cf::sync_job {
2302	cf::emergency_save;	3994	#cf::emergency_save;
2303		3995
2304	warn "sync database to disk";	3996	trace "perl_reload: cancelling all extension coros";
2305	cf::db_sync;
2306	IO::AIO::flush;
2307
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved
2310
2311	warn "cancel all watchers";
2312	for (Event::all_watchers) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;
2314	}
2315
2316	warn "cancel all extension coros";
2317	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3998	%EXT_CORO = ();
2319		3999
2320	warn "remove commands";	4000	trace "perl_reload: removing commands";
2321	%COMMAND = ();	4001	%COMMAND = ();
2322		4002
2323	warn "remove ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2324	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2325		4006
2326	warn "unload/nuke all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2329		4010
2330	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2331	eval {	4012	eval {
2332	$cb->($pkg);	4013	$cb->($pkg);
2333	1	4014	1
2334	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2335	}	4020	}
2336		4021
2337	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;
2339	}
2340
2341	warn "unload all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		4025
2345	warn "removing <$k>";	4026	trace "... unloading $k";
2346	delete $INC{$k};	4027	delete $INC{$k};
2347		4028
2348	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2350		4031
2351	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2352	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2353	}	4037	}
2354		4038
2355	Symbol::delete_package $k;
2356	}
2357
2358	warn "get rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		4042
2362	warn "unload cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
		4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2364		4046
2365	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2366	# and global variables created in xs	4048	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2368		4050
2369	warn "reloading cf.pm";	4051	info "perl_reload: unload completed, starting to reload now";
		4052
		4053	trace "perl_reload: reloading cf.pm";
2370	require cf;	4054	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2372		4056
2373	warn "load config and database again";	4057	trace "perl_reload: loading config and database again";
2374	cf::cfg_load;	4058	cf::reload_config;
2375	cf::db_load;
2376		4059
2377	warn "load extensions";	4060	trace "perl_reload: loading extensions";
2378	cf::load_extensions;	4061	cf::load_extensions;
2379		4062
		4063	if ($REATTACH_ON_RELOAD) {
2380	warn "reattach attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2381	_global_reattach;	4065	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2383	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
		4068	trace "perl_reload: reattaching attachments to players";
		4069	reattach $_ for values %PLAYER;
		4070	}
		4071
		4072	cf::_post_init 1;
		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
		4076	1
		4077	} or do {
		4078	error $@;
		4079	cf::cleanup "perl_reload: error, exiting.";
		4080	};
		4081
		4082	--$RELOAD;
		4083	}
		4084
		4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
		4087	};
		4088
		4089	our $RELOAD_WATCHER; # used only during reload
		4090
		4091	sub reload_perl() {
		4092	# doing reload synchronously and two reloads happen back-to-back,
		4093	# coro crashes during coro_state_free->destroy here.
		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
		4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
		4100	undef $RELOAD_WATCHER;
		4101	};
2384	};	4102	};
2385		4103	}
2386	if ($@) {
2387	warn $@;
2388	warn "error while reloading, exiting.";
2389	exit 1;
2390	}
2391
2392	warn "reloaded";
2393	};
2394
2395	our $RELOAD_WATCHER; # used only during reload
2396		4104
2397	register_command "reload" => sub {	4105	register_command "reload" => sub {
2398	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2399		4107
2400	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2401	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
2402		4110	async {
2403	# doing reload synchronously and two reloads happen back-to-back,	4111	$Coro::current->{desc} = "perl_reload";
2404	# coro crashes during coro_state_free->destroy here.
2405
2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2407	reload;	4112	reload_perl;
2408	undef $RELOAD_WATCHER;
2409	});	4113	};
2410	}	4114	}
2411	};	4115	};
2412		4116
2413	unshift @INC, $LIBDIR;	4117	#############################################################################
2414		4118
2415	$TICK_WATCHER = Event->timer (	4119	my $bug_warning = 0;
2416	reentrant => 0,
2417	prio => 0,
2418	at => $NEXT_TICK || $TICK,
2419	data => WF_AUTOCANCEL,
2420	cb => sub {
2421	$NOW = Event::time;
2422		4120
2423	cf::server_tick; # one server iteration	4121	sub wait_for_tick() {
2424	$RUNTIME += $TICK;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2425	$NEXT_TICK += $TICK;
2426		4123
		4124	$WAIT_FOR_TICK->wait;
		4125	}
		4126
		4127	sub wait_for_tick_begin() {
		4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4129
		4130	my $signal = new Coro::Signal;
		4131	push @WAIT_FOR_TICK_BEGIN, $signal;
		4132	$signal->wait;
		4133	}
		4134
		4135	sub tick {
		4136	if ($Coro::current != $Coro::main) {
		4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4138	unless ++$bug_warning > 10;
		4139	return;
		4140	}
		4141
		4142	cf::one_tick; # one server iteration
		4143
		4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4145
		4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
		4150	write_runtime_sync
		4151	or error "ERROR: unable to write runtime file: $!";
		4152	};
		4153	}
		4154
		4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4156	$sig->send;
		4157	}
2427	$WAIT_FOR_TICK->broadcast;	4158	$WAIT_FOR_TICK->broadcast;
2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2429		4159
2430	# if we are delayed by four ticks or more, skip them all	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2432		4162
2433	$TICK_WATCHER->at ($NEXT_TICK);	4163	if (0) {
2434	$TICK_WATCHER->start;	4164	if ($NEXT_TICK) {
		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
2435	},	4169	}
2436	);	4170	}
2437		4171
		4172	{
		4173	# configure BDB
		4174
		4175	BDB::min_parallel 16;
		4176	BDB::max_poll_reqs $TICK * 0.1;
		4177	$AnyEvent::BDB::WATCHER->priority (1);
		4178
		4179	unless ($DB_ENV) {
		4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4186
		4187	cf::sync_job {
		4188	eval {
		4189	BDB::db_env_open
		4190	$DB_ENV,
		4191	$BDBDIR,
		4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4194	0666;
		4195
		4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4197	};
		4198
		4199	cf::cleanup "db_env_open(db): $@" if $@;
		4200	};
		4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
		4212	}
		4213
		4214	{
		4215	# configure IO::AIO
		4216
		4217	IO::AIO::min_parallel 8;
2438	IO::AIO::max_poll_time $TICK * 0.2;	4218	IO::AIO::max_poll_time $TICK * 0.1;
		4219	undef $AnyEvent::AIO::WATCHER;
		4220	}
2439		4221
2440	$AIO_POLL_WATCHER = Event->io (	4222	our $_log_backtrace;
2441	fd => IO::AIO::poll_fileno,	4223	our $_log_backtrace_last;
2442	poll => 'r',
2443	prio => 5,
2444	data => WF_AUTOCANCEL,
2445	cb => \&IO::AIO::poll_cb,
2446	);
2447		4224
2448	$WRITE_RUNTIME_WATCHER = Event->timer (	4225	sub _log_backtrace {
2449	data => WF_AUTOCANCEL,	4226	my ($msg, @addr) = @_;
2450	after => 0,	4227
2451	interval => 10,	4228	$msg =~ s/\n$//;
2452	cb => sub {	4229
2453	(Coro::unblock_sub {	4230	if ($_log_backtrace_last eq $msg) {
2454	write_runtime	4231	LOG llevInfo, "[ABT] $msg\n";
2455	or warn "ERROR: unable to write runtime file: $!";	4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4233	# limit the # of concurrent backtraces
		4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
		4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
		4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
		4241	my @bt = fork_call {
		4242	@addr = map { sprintf "%x", $_ } @addr;
		4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4245	or die "addr2line: $!";
		4246
		4247	my @funcs;
		4248	my @res = <$fh>;
		4249	chomp for @res;
		4250	while (@res) {
		4251	my ($func, $line) = splice @res, 0, 2, ();
		4252	push @funcs, "[$func] $line";
		4253	}
		4254
		4255	@funcs
		4256	};
		4257
		4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4260	LOG llevInfo, "[ABT] $_\n" for @bt;
		4261	--$_log_backtrace;
2456	})->();	4262	};
		4263	} else {
		4264	LOG llevInfo, "[ABT] $msg\n";
		4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2457	},	4266	}
2458	);	4267	}
		4268
		4269	# load additional modules
		4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2459		4272
2460	END { cf::emergency_save }	4273	END { cf::emergency_save }
2461		4274
2462	1	4275	1
2463		4276

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