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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.179 by root, Thu Jan 18 20:39:00 2007 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 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	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
		2250	}
		2251
		2252	$self->post_load;
		2253
1395	}	2254	1
1396
1397	$self->in_memory (cf::MAP_IN_MEMORY);
1398	}	2255	}
1399		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1400	sub customise_for {	2260	sub customise_for {
1401	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1402		2262
1403	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2264	if $self->per_player;
1405		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1406	$self	2269	$self
1407	}
1408
1409	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {
1411	my ($map) = @_;
1412
1413	my @diag; # diagonal neighbours
1414
1415	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)
1417	or next;
1418	$neigh = find $neigh, $map
1419	or next;
1420	$neigh->load;
1421
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}
1425
1426	for (@diag) {
1427	my $neigh = find @$_
1428	or next;
1429	$neigh->load;
1430	}
1431	}	2270	}
1432		2271
1433	sub find_sync {	2272	sub find_sync {
1434	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1435		2274
1436	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1437	}	2280	}
1438		2281
1439	sub do_load_sync {	2282	sub do_load_sync {
1440	my ($map) = @_;	2283	my ($map) = @_;
1441		2284
1442	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1443	}	2290	}
1444		2291
1445	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2293	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		2294
1459	sub find_async {	2295	sub find_async {
1460	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1461		2297
1462	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1463		2299
1464	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
		2302	}
		2303
		2304	$MAP_PREFETCH{$path} |= $load;
		2305
		2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
		2309	while (%MAP_PREFETCH) {
		2310	while (my ($k, $v) = each %MAP_PREFETCH) {
		2311	if (my $map = find $k) {
		2312	$map->load if $v;
		2313	}
		2314
		2315	delete $MAP_PREFETCH{$k};
		2316	}
		2317	}
		2318	undef $MAP_PREFETCHER;
1466	}	2319	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2320	$MAP_PREFETCHER->prio (6);
1470		2321
1471	()	2322	()
1472	}	2323	}
1473		2324
		2325	# common code, used by both ->save and ->swapout
1474	sub save {	2326	sub _save {
1475	my ($self) = @_;	2327	my ($self) = @_;
1476
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1478		2328
1479	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1480		2330
1481	return unless $self->dirty;	2331	return unless $self->dirty;
1482		2332
…		…
1488	return if $self->{deny_save};	2338	return if $self->{deny_save};
1489		2339
1490	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1491		2341
1492	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1494	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1495		2348
1496	if ($uniq) {	2349	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2352	} else {
1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1501	}	2354	}
1502	}	2355	}
1503		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1504	sub swap_out {	2365	sub swap_out {
1505	my ($self) = @_;	2366	my ($self) = @_;
1506		2367
1507	# save first because save cedes
1508	$self->save;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1512	return if $self->players;	2372	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};
1515		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1516	$self->clear;	2383	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2384	}
1519		2385
1520	sub reset_at {	2386	sub reset_at {
1521	my ($self) = @_;	2387	my ($self) = @_;
1522		2388
1523	# TODO: safety, remove and allow resettable per-player maps	2389	# 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};	2390	return 1e99 if $self->{deny_reset};
1526		2391
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2394
…		…
1540	my ($self) = @_;	2405	my ($self) = @_;
1541		2406
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2408
1544	return if $self->players;	2409	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2410
1547	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
		2412
		2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
1548		2422
1549	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1550		2424
1551	$self->in_memory (cf::MAP_SWAPPED);	2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2427	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2428
1556	$self->unlink_save;	2429	$self->unlink_save;
1557	$self->destroy;	2430	$self->destroy;
1558	}	2431	}
1559		2432
1560	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1561		2434
1562	sub nuke {	2435	sub nuke {
1563	my ($self) = @_;	2436	my ($self) = @_;
1564		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1565	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1566		2442
1567	$self->unlink_save;	2443	$self->unlink_save;
1568		2444
1569	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1570	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2450
1575	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1576		2453
1577	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1578	}	2491	}
1579		2492
1580	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1581		2494
1582	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2496	instantiated unique items. May block.
1584		2497
1585	=cut	2498	=cut
1586		2499
1587	sub unique_maps() {	2500	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2501	[
1589	or return;	2502	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2503	utf8::decode $_;
1595	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
		2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
		2509	]
		2510	}
1597		2511
		2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
1598	s/\.map$//;	2533	s/\.map$// or next;
1599	push @paths, $_;	2534	utf8::decode $_;
1600	}	2535	push @maps, "$dir/$_";
		2536	}
1601		2537
1602	\@paths	2538	push @dirs, map "$dir/$_", @$dirs;
1603	}	2539	}
1604		2540
1605	package cf;	2541	\@maps
		2542	}
1606		2543
1607	=back	2544	=back
1608		2545
1609	=head3 cf::object	2546	=head3 cf::object
1610		2547
…		…
1614		2551
1615	=over 4	2552	=over 4
1616		2553
1617	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1618		2555
1619	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1620		2558
1621	=cut	2559	=cut
1622		2560
1623	sub inv_recursive_;	2561	sub inv_recursive_;
1624	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1627		2565
1628	sub inv_recursive {	2566	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1630	}	2568	}
1631		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1632	package cf;	2598	package cf;
1633		2599
1634	=back	2600	=back
1635		2601
1636	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1642	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1644	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1645		2611
1646	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1647		2627
1648	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2629	# with dialog boxes.
1650	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1651	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1653		2633
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2635
1656	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1658	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1661	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1662	}	2661	}
1663		2662
1664	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1665		2664
1666	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1679		2678
1680	=item $player_object->enter_link	2679	=item $player_object->enter_link
1681		2680
1682	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1683		2682
1684	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1685	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1686		2687
1687	Will never block.	2688	Will never block.
1688		2689
1689	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1690		2691
…		…
1698	=cut	2699	=cut
1699		2700
1700	sub link_map {	2701	sub link_map {
1701	unless ($LINK_MAP) {	2702	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2703	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2704	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2705	$LINK_MAP->load;
1705	}	2706	}
1706		2707
1707	$LINK_MAP	2708	$LINK_MAP
1708	}	2709	}
…		…
1710	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1711	my ($self) = @_;	2712	my ($self) = @_;
1712		2713
1713	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1714		2715
		2716	++$self->{_link_recursion};
		2717
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2719
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1719		2722
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1721	}	2724	}
1722		2725
1723	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1725		2730
1726	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1727		2732
1728	unless ($map) {	2733	unless ($map) {
1729	# restore original map position	2734	# restore original map position
…		…
1740	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1741	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1742		2747
1743	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1746		2751
1747	$map->load;	2752	$map->load;
1748	$map->load_diag;
1749		2753
1750	return unless $self->contr->active;	2754	return unless $self->contr->active;
		2755
		2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2757	if ($self->enter_map ($map, $x, $y)) {
		2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
1751	$self->activate_recursive;	2761	$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	$pl->ob->leave_link
1763	};
1764	}
1765	},	2762	}
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2763
1769	# try to abort aborted map switching on player login :)	2764	}
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		2765
1787	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1788		2767
		2768	Moves the player to the given map-path and coordinates by first freezing
		2769	her, loading and preparing them map, calling the provided $check callback
		2770	that has to return the map if sucecssful, and then unfreezes the player on
		2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1789	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1790		2780
1791	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2792
1794	$self->enter_link;	2793	$self->enter_link;
1795		2794
1796	(async {	2795	(async {
1797	my $map = cf::map::find $path;	2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
		2817	my $map = eval {
		2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2821	$map = $map->customise_for ($self);
1799		2822	$map = $check->($map, $x, $y, $self) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2823	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2825	}
1804		2826
		2827	$map
		2828	};
		2829
		2830	if ($@) {
		2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2832	LOG llevError | logBacktrace, Carp::longmess $@;
		2833	}
		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1806	})->prio (1);	2841	})->prio (1);
1807	}	2842	}
1808		2843
1809	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1810		2845
…		…
1812		2847
1813	sub parse_random_map_params {	2848	sub parse_random_map_params {
1814	my ($spec) = @_;	2849	my ($spec) = @_;
1815		2850
1816	my $rmp = { # defaults	2851	my $rmp = { # defaults
1817	xsize => -1,	2852	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2853	ysize => (cf::rndm 15, 40),
		2854	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2855	#layout => string,
1819	};	2856	};
1820		2857
1821	for (split /\n/, $spec) {	2858	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2859	my ($k, $v) = split /\s+/, $_, 2;
1823		2860
…		…
1827	$rmp	2864	$rmp
1828	}	2865	}
1829		2866
1830	sub prepare_random_map {	2867	sub prepare_random_map {
1831	my ($exit) = @_;	2868	my ($exit) = @_;
1832
1833	my $guard = cf::lock_acquire "exit_prepare:$exit";
1834		2869
1835	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
1836	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
1837	# that depends on the exit object	2872	# that depends on the exit object
1838		2873
1839	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
1840		2875
1841	if ($exit->map) {	2876	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2877	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
1846	}	2883	}
1847		2884
1848	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
1849		2886
1850	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1851	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
1853		2890
1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1855	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
1856	undef $fh;	2893	undef $fh;
1857	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
1858		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
1859	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
1860	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
1861	}	2902	}
1862	}	2903	}
1863		2904
1864	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
…		…
1867	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
1868		2909
1869	$self->enter_link;	2910	$self->enter_link;
1870		2911
1871	(async {	2912	(async {
1872	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
1873	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
1874	prepare_random_map $exit	2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
1875	if $exit->slaying eq "/!";	2932	$map = $exit->slaying;
1876		2933
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2934	} elsif ($slaying eq '!up') {
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
1879		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
		2945	$self->goto ($map, $x, $y);
		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
1880	1;	2951	1
1881	}) {	2952	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
1883	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2957
1887	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
1888	$self->leave_link;	2959	$self->leave_link;
1889	}	2960	}
1890	})->prio (1);	2961	})->prio (1);
1891	}	2962	}
1892		2963
…		…
1903		2974
1904	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
1906		2977
1907	utf8::encode $text;	2978	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2980	}
1910		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
		3169	=item $client->ext_msg ($type, @msg)
		3170
		3171	Sends an ext event to the client.
		3172
		3173	=cut
		3174
		3175	sub cf::client::ext_msg($$@) {
		3176	my ($self, $type, @msg) = @_;
		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
		3181	push @msg, msgtype => "event_$type";
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
		3202	}
1911		3203
1912	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
1913		3205
1914	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		3209
1918	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	3211	become reliable at some point in the future.
1920		3212
1921	=cut	3213	=cut
1922		3214
1923	sub cf::client::query {	3215	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	3224	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		3226
1935	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
1937	}	3231	}
1938		3232
1939	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
1940	on_reply => sub {	3239	on_reply => sub {
1941	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
1942		3241
1943	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
1944	# get handled first	3243	# get handled first
1945	my $queue = delete $ns->{query_queue}	3244	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	3245	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		3246
1948	(shift @$queue)->[1]->($msg);	3247	(shift @$queue)->[1]->($msg);
		3248	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		3249
1950	push @{ $ns->{query_queue} }, @$queue;	3250	push @{ $ns->{query_queue} }, @$queue;
1951		3251
1952	if (@{ $ns->{query_queue} } == @$queue) {	3252	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	3253	if (@$queue) {
…		…
1955	} else {	3255	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	3257	}
1958	}	3258	}
1959	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
1960	);	3286	);
1961		3287
1962	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
1963		3289
1964	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980		3306
1981	$coro	3307	$coro
1982	}	3308	}
1983		3309
1984	cf::client->attach (	3310	cf::client->attach (
1985	on_destroy => sub {	3311	on_client_destroy => sub {
1986	my ($ns) = @_;	3312	my ($ns) = @_;
1987		3313
1988	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1989	},	3315	},
1990	);	3316	);
…		…
2005	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2006	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2007		3333
2008	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2009		3335
2010	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2011		3341
2012	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2013		3343
2014	=pod	3344	=pod
2015		3345
2016	The following fucntions and emthods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2017		3347
2018	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2019	cf::object::player player	3353	cf::object::player
2020	cf::player peaceful	3354	player
2021	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2022		3361
2023	=cut	3362	=cut
2024		3363
2025	for (	3364	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2027	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2029	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2030	) {	3371	) {
2031	no strict 'refs';
2032	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2033	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2034	for @funs;	3374	for @funs;
2035	}	3375	}
2036		3376
…		…
2051		3391
2052	my $qcode = $code;	3392	my $qcode = $code;
2053	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2054	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2055		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2056	local $_;	3399	local $_;
2057	local @safe::cf::_safe_eval_args = values %vars;
2058		3400
2059	my $eval =	3401	my $eval =
2060	"do {\n"	3402	"do {\n"
2061	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2062	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2063	. $code	3405	. $code
2064	. "\n}"	3406	. "\n}"
2065	;	3407	;
2066		3408
		3409	if ($CFG{safe_eval}) {
2067	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2068	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2069	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2070		3418
2071	if ($@) {	3419	if ($@) {
2072	warn "$@";	3420	warn "$@",
2073	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2074	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2075	}	3423	}
2076		3424
2077	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2078	}	3426	}
2079		3427
…		…
2093	=cut	3441	=cut
2094		3442
2095	sub register_script_function {	3443	sub register_script_function {
2096	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2097		3445
2098	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2099	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2100	}	3448	}
2101		3449
2102	=back	3450	=back
2103		3451
2104	=cut	3452	=cut
2105		3453
2106	#############################################################################	3454	#############################################################################
		3455	# the server's init and main functions
2107		3456
2108	=head2 EXTENSION DATABASE SUPPORT	3457	sub load_facedata($) {
		3458	my ($path) = @_;
2109		3459
2110	Crossfire maintains a very simple database for extension use. It can	3460	# HACK to clear player env face cache, we need some signal framework
2111	currently store anything that can be serialised using Storable, which	3461	# for this (global event?)
2112	excludes objects.	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
2113		3463
2114	The parameter C<$family> should best start with the name of the extension	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2115	using it, it should be unique.
2116		3465
2117	=over 4	3466	trace "loading facedata from $path\n";
2118		3467
2119	=item $hashref = cf::db_get $family	3468	my $facedata = decode_storable load_file $path;
2120		3469
2121	Return a hashref for use by the extension C<$family>, which can be	3470	$facedata->{version} == 2
2122	modified. After modifications, you have to call C<cf::db_dirty> or	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2123	C<cf::db_sync>.
2124		3472
2125	=item $value = cf::db_get $family => $key	3473	# patch in the exptable
2126		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2127	Returns a single value from the database	3475	$facedata->{resource}{"res/exp_table"} = {
2128		3476	type => FT_RSRC,
2129	=item cf::db_put $family => $hashref	3477	data => $exp_table,
2130		3478	hash => (Digest::MD5::md5 $exp_table),
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}
2157
2158	my $pid;
2159
2160	sub db_save() {
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	3479	};
		3480	cf::cede_to_tick;
2180		3481
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}	3482	{
		3483	my $faces = $facedata->{faceinfo};
2185		3484
2186	sub db_get($;$) {	3485	while (my ($face, $info) = each %$faces) {
2187	@_ >= 2	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188	? $DB->{$_[0]}{$_[1]}
2189	: ($DB->{$_[0]} ||= { })
2190	}
2191		3487
2192	sub db_put($$;$) {	3488	cf::face::set_visibility $idx, $info->{visibility};
2193	if (@_ >= 3) {	3489	cf::face::set_magicmap $idx, $info->{magicmap};
2194	$DB->{$_[0]}{$_[1]} = $_[2];	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2195	} else {	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2196	$DB->{$_[0]} = $_[1];	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2197	}
2198	db_dirty;
2199	}
2200		3493
2201	cf::global->attach (	3494	cf::cede_to_tick;
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	3495	}
2206	);
2207	}
2208		3496
2209	#############################################################################	3497	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	3498	next unless $info->{smooth};
2211		3499
2212	sub cfg_load {	3500	my $idx = cf::face::find $face
2213	open my $fh, "<:utf8", cf::confdir . "/config"	3501	or next;
2214	or return;
2215		3502
2216	local $/;	3503	if (my $smooth = cf::face::find $info->{smooth}) {
2217	*CFG = YAML::Syck::Load <$fh>;	3504	cf::face::set_smooth $idx, $smooth;
		3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3506	} else {
		3507	error "smooth face '$info->{smooth}' not found for face '$face'";
		3508	}
2218		3509
		3510	cf::cede_to_tick;
		3511	}
		3512	}
		3513
		3514	{
		3515	my $anims = $facedata->{animinfo};
		3516
		3517	while (my ($anim, $info) = each %$anims) {
		3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3519	cf::cede_to_tick;
		3520	}
		3521
		3522	cf::anim::invalidate_all; # d'oh
		3523	}
		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
		3544	1
		3545	}
		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
		3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
		3570	load_resource_file "$MAPDIR/regions"
		3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
		3577	}
		3578
		3579	sub reload_facedata {
		3580	load_facedata "$DATADIR/facedata"
		3581	or die "unable to load facedata\n";
		3582	}
		3583
		3584	sub reload_archetypes {
		3585	load_resource_file "$DATADIR/archetypes"
		3586	or die "unable to load archetypes\n";
		3587	}
		3588
		3589	sub reload_treasures {
		3590	load_resource_file "$DATADIR/treasures"
		3591	or die "unable to load treasurelists\n";
		3592	}
		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
		3614	sub reload_resources {
		3615	trace "reloading resource files...\n";
		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
		3622	reload_regions;
		3623	reload_treasures;
		3624
		3625	trace "finished reloading resource files\n";
		3626	}
		3627
		3628	sub reload_config {
		3629	trace "reloading config file...\n";
		3630
		3631	my $config = load_file "$CONFDIR/config";
		3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
		3634
2219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2220		3636
2221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2223		3639
2224	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2228	};	3644	};
2229	warn $@ if $@;	3645	warn $@ if $@;
2230	}	3646	}
2231	}	3647	}
2232		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2233	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2234	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2235	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2237	(async {	3690	(async {
2238	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2239	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2240	};	3694	};
2241		3695
2242	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
2243	db_load;	3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
		3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2244	load_extensions;	3719	load_extensions;
2245	Event::loop;	3720
		3721	utime time, time, $RUNTIMEFILE;
		3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2246	}	3738	}
2247		3739
2248	#############################################################################	3740	#############################################################################
2249	# initialisation and cleanup	3741	# initialisation and cleanup
2250		3742
2251	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2252	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2253	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2254	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2255	data => WF_AUTOCANCEL,
2256	signal => $signal,
2257	cb => sub {
2258	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2259	},
2260	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2261	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2262	}	3839	}
2263		3840
2264	sub emergency_save() {	3841	sub emergency_save() {
2265	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2266		3843
2267	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2268		3850
2269	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2270	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2271	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2272	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2273	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2274	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2275	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2276	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2277	$pl->save;	3862	$pl->save;
2278	}	3863	}
2279	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2280		3865
2281	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2282	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2283	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2284	$map->valid or next;	3871	$map->valid or next;
2285	$map->save;	3872	$map->save;
2286	}	3873	}
2287	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2288	};	3904	};
2289		3905
2290	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2291	}	3907	}
2292		3908
		3909	sub post_cleanup {
		3910	my ($make_core) = @_;
		3911
		3912	IO::AIO::flush;
		3913
		3914	error Carp::longmess "post_cleanup backtrace"
		3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
		3944	}
		3945
2293	sub reload() {	3946	sub do_reload_perl() {
2294	# can/must only be called in main	3947	# can/must only be called in main
2295	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2296	warn "can only reload from main coroutine\n";	3949	error "can only reload from main coroutine";
2297	return;	3950	return;
2298	}	3951	}
2299		3952
2300	warn "reloading...";	3953	return if $RELOAD++;
2301		3954
2302	warn "freezing server";	3955	my $t1 = AE::time;
2303	my $guard = freeze_mainloop;	3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
		3963	cf::sync_job {
2304	cf::emergency_save;	3964	#cf::emergency_save;
2305		3965
2306	warn "sync database to disk";	3966	trace "perl_reload: cancelling all extension coros";
2307	cf::db_sync;
2308	IO::AIO::flush;
2309
2310	eval {
2311	# if anything goes wrong in here, we should simply crash as we already saved
2312
2313	warn "cancel all watchers";
2314	for (Event::all_watchers) {
2315	$_->cancel if $_->data & WF_AUTOCANCEL;
2316	}
2317
2318	warn "cancel all extension coros";
2319	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2320	%EXT_CORO = ();	3968	%EXT_CORO = ();
2321		3969
2322	warn "remove commands";	3970	trace "perl_reload: removing commands";
2323	%COMMAND = ();	3971	%COMMAND = ();
2324		3972
2325	warn "remove ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2326	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2327		3976
2328	warn "unload/nuke all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2329	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2330	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2331		3980
2332	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2333	eval {	3982	eval {
2334	$cb->($pkg);	3983	$cb->($pkg);
2335	1	3984	1
2336	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2337	}	3990	}
2338		3991
2339	warn "... nuking $pkg";
2340	Symbol::delete_package $pkg;
2341	}
2342
2343	warn "unload all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2344	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2346		3995
2347	warn "removing <$k>";	3996	trace "... unloading $k";
2348	delete $INC{$k};	3997	delete $INC{$k};
2349		3998
2350	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2351	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2352		4001
2353	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2354	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2355	}	4007	}
2356		4008
2357	Symbol::delete_package $k;
2358	}
2359
2360	warn "get rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		4012
2364	warn "unload cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2365	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
		4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2366		4016
2367	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2368	# and global variables created in xs	4018	# and global variables created in xs
2369	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2370		4020
2371	warn "reloading cf.pm";	4021	info "perl_reload: unload completed, starting to reload now";
		4022
		4023	trace "perl_reload: reloading cf.pm";
2372	require cf;	4024	require cf;
2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2374		4026
2375	warn "load config and database again";	4027	trace "perl_reload: loading config and database again";
2376	cf::cfg_load;	4028	cf::reload_config;
2377	cf::db_load;
2378		4029
2379	warn "load extensions";	4030	trace "perl_reload: loading extensions";
2380	cf::load_extensions;	4031	cf::load_extensions;
2381		4032
		4033	if ($REATTACH_ON_RELOAD) {
2382	warn "reattach attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2383	_global_reattach;	4035	_global_reattach; # objects, sockets
2384	warn "reattach attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2385	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
		4038	trace "perl_reload: reattaching attachments to players";
		4039	reattach $_ for values %PLAYER;
		4040	}
		4041
		4042	cf::_post_init 1;
		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
		4046	1
		4047	} or do {
		4048	error $@;
		4049	cf::cleanup "perl_reload: error, exiting.";
		4050	};
		4051
		4052	--$RELOAD;
		4053	}
		4054
		4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
		4057	};
		4058
		4059	our $RELOAD_WATCHER; # used only during reload
		4060
		4061	sub reload_perl() {
		4062	# doing reload synchronously and two reloads happen back-to-back,
		4063	# coro crashes during coro_state_free->destroy here.
		4064
		4065	$RELOAD_WATCHER ||= cf::async {
		4066	Coro::AIO::aio_wait cache_extensions;
		4067
		4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4069	do_reload_perl;
		4070	undef $RELOAD_WATCHER;
		4071	};
2386	};	4072	};
2387		4073	}
2388	if ($@) {
2389	warn $@;
2390	warn "error while reloading, exiting.";
2391	exit 1;
2392	}
2393
2394	warn "reloaded";
2395	};
2396
2397	our $RELOAD_WATCHER; # used only during reload
2398		4074
2399	register_command "reload" => sub {	4075	register_command "reload" => sub {
2400	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2401		4077
2402	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2403	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
2404		4080	async {
2405	# doing reload synchronously and two reloads happen back-to-back,	4081	$Coro::current->{desc} = "perl_reload";
2406	# coro crashes during coro_state_free->destroy here.
2407
2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2409	reload;	4082	reload_perl;
2410	undef $RELOAD_WATCHER;
2411	});	4083	};
2412	}	4084	}
2413	};	4085	};
2414		4086
2415	unshift @INC, $LIBDIR;	4087	#############################################################################
2416		4088
2417	$TICK_WATCHER = Event->timer (	4089	my $bug_warning = 0;
2418	reentrant => 0,
2419	prio => 0,
2420	at => $NEXT_TICK || $TICK,
2421	data => WF_AUTOCANCEL,
2422	cb => sub {
2423	$NOW = Event::time;
2424		4090
2425	cf::server_tick; # one server iteration	4091	sub wait_for_tick() {
2426	$RUNTIME += $TICK;	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2427	$NEXT_TICK += $TICK;
2428		4093
		4094	$WAIT_FOR_TICK->wait;
		4095	}
		4096
		4097	sub wait_for_tick_begin() {
		4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4099
		4100	my $signal = new Coro::Signal;
		4101	push @WAIT_FOR_TICK_BEGIN, $signal;
		4102	$signal->wait;
		4103	}
		4104
		4105	sub tick {
		4106	if ($Coro::current != $Coro::main) {
		4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4108	unless ++$bug_warning > 10;
		4109	return;
		4110	}
		4111
		4112	cf::one_tick; # one server iteration
		4113
		4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4115
		4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4118	Coro::async_pool {
		4119	$Coro::current->{desc} = "runtime saver";
		4120	write_runtime_sync
		4121	or error "ERROR: unable to write runtime file: $!";
		4122	};
		4123	}
		4124
		4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4126	$sig->send;
		4127	}
2429	$WAIT_FOR_TICK->broadcast;	4128	$WAIT_FOR_TICK->broadcast;
2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2431		4129
2432	# if we are delayed by four ticks or more, skip them all	4130	$LOAD = ($NOW - $TICK_START) / $TICK;
2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2434		4132
2435	$TICK_WATCHER->at ($NEXT_TICK);	4133	if (0) {
2436	$TICK_WATCHER->start;	4134	if ($NEXT_TICK) {
		4135	my $jitter = $TICK_START - $NEXT_TICK;
		4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4137	debug "jitter $JITTER\n";#d#
		4138	}
2437	},	4139	}
2438	);	4140	}
2439		4141
		4142	{
		4143	# configure BDB
		4144
		4145	BDB::min_parallel 16;
		4146	BDB::max_poll_reqs $TICK * 0.1;
		4147	#$AnyEvent::BDB::WATCHER->priority (1);
		4148
		4149	unless ($DB_ENV) {
		4150	$DB_ENV = BDB::db_env_create;
		4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4156
		4157	cf::sync_job {
		4158	eval {
		4159	BDB::db_env_open
		4160	$DB_ENV,
		4161	$BDBDIR,
		4162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4164	0666;
		4165
		4166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4167	};
		4168
		4169	cf::cleanup "db_env_open(db): $@" if $@;
		4170	};
		4171	}
		4172
		4173	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4174	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4175	};
		4176	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4177	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4178	};
		4179	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4180	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4181	};
		4182	}
		4183
		4184	{
		4185	# configure IO::AIO
		4186
		4187	IO::AIO::min_parallel 8;
2440	IO::AIO::max_poll_time $TICK * 0.2;	4188	IO::AIO::max_poll_time $TICK * 0.1;
		4189	undef $AnyEvent::AIO::WATCHER;
		4190	}
2441		4191
2442	$AIO_POLL_WATCHER = Event->io (	4192	our $_log_backtrace;
2443	fd => IO::AIO::poll_fileno,	4193	our $_log_backtrace_last;
2444	poll => 'r',
2445	prio => 5,
2446	data => WF_AUTOCANCEL,
2447	cb => \&IO::AIO::poll_cb,
2448	);
2449		4194
2450	$WRITE_RUNTIME_WATCHER = Event->timer (	4195	sub _log_backtrace {
2451	data => WF_AUTOCANCEL,	4196	my ($msg, @addr) = @_;
2452	after => 0,	4197
2453	interval => 10,	4198	$msg =~ s/\n$//;
2454	cb => sub {	4199
2455	(Coro::unblock_sub {	4200	if ($_log_backtrace_last eq $msg) {
2456	write_runtime	4201	LOG llevInfo, "[ABT] $msg\n";
2457	or warn "ERROR: unable to write runtime file: $!";	4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4203	# limit the # of concurrent backtraces
		4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
		4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
		4208	async {
		4209	$Coro::current->{desc} = "abt $msg";
		4210
		4211	my @bt = fork_call {
		4212	@addr = map { sprintf "%x", $_ } @addr;
		4213	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4214	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4215	or die "addr2line: $!";
		4216
		4217	my @funcs;
		4218	my @res = <$fh>;
		4219	chomp for @res;
		4220	while (@res) {
		4221	my ($func, $line) = splice @res, 0, 2, ();
		4222	push @funcs, "[$func] $line";
		4223	}
		4224
		4225	@funcs
		4226	};
		4227
		4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4230	LOG llevInfo, "[ABT] $_\n" for @bt;
		4231	--$_log_backtrace;
2458	})->();	4232	};
		4233	} else {
		4234	LOG llevInfo, "[ABT] $msg\n";
		4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2459	},	4236	}
2460	);	4237	}
		4238
		4239	# load additional modules
		4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
2461		4242
2462	END { cf::emergency_save }	4243	END { cf::emergency_save }
2463		4244
2464	1	4245	1
2465		4246

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