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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.194 by root, Wed Jan 24 22:42:49 2007 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
52	our $NOW;	138	our $NOW;
53		139
54	our %CFG;	140	our (%PLAYER, %PLAYER_LOADING); # all users
55		141	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		143
67	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
70	binmode STDOUT;	160	binmode STDOUT;
71	binmode STDERR;	161	binmode STDERR;
72		162
73	# read virtual server time, if available	163	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
78	}	168	}
79		169
80	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	171
82	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		174
86	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
87		176
		177	sub cf::map::normalise;
		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
88	#############################################################################	183	#############################################################################
89		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
90	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
91		197
92	=over 4	198	=over 4
93		199
94	=item $cf::UPTIME	200	=item $cf::UPTIME
95		201
96	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
97		218
98	=item $cf::RUNTIME	219	=item $cf::RUNTIME
99		220
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	222	every server tick.
102		223
103	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		227
105	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
107		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
108	=item $cf::NOW	239	=item $cf::LOAD
109		240
110	The time of the last (current) server tick.	241	The raw value load value from the last tick.
111
112	=item $cf::TICK
113
114	The interval between server ticks, in seconds.
115		242
116	=item %cf::CFG	243	=item %cf::CFG
117		244
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	246	from wherever your confdir points to.
120		247
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		249
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
127		282
128	=back	283	=back
129		284
130	=cut	285	=cut
131		286
132	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	294	my $msg = join "", @_;
135	utf8::encode $msg;
136		295
137	$msg .= "\n"	296	$msg .= "\n"
138	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
139		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
140	LOG llevError, $msg;	301	LOG llevWarn, $msg;
141	};	302	};
142	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
143		317
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		325
151	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	327	# within the Safe compartment.
153	for my $pkg (qw(	328	for my $pkg (qw(
154	cf::global cf::attachable	329	cf::global cf::attachable
155	cf::object cf::object::player	330	cf::object cf::object::player
156	cf::client cf::player	331	cf::client cf::player
157	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
158	cf::map cf::party cf::region	334	cf::party cf::region
159	)) {	335	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	337	}
163		338
164	$Event::DIED = sub {	339	$EV::DIED = sub {
165	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
166	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
167		349
168	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
169		351
170	=over 4	352	=over 4
171		353
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	373	$d
192	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
193	}	375	}
194		376
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
196		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
197	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
198		392
199	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
200		394
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
209		396
210	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
211		398
212	=cut	399	=cut
213		400
214	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
216	JSON::Syck::Dump $_[0]	403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
217	}	466	}
218		467
219	=item cf::lock_wait $string	468	=item cf::lock_wait $string
220		469
221	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
222		471
223	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
224		473
225	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
228	returned.	477	returned.
229		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
230	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
232		484
233	=cut	485	=item $locked = cf::lock_active $string
234		486
235	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
236		492
237	sub lock_wait($) {	493	sub lock_wait($) {
238	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	495	}
246		496
247	sub lock_acquire($) {	497	sub lock_acquire($) {
248	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
249		500
250	# wait, to be sure we are not locked	501	sub lock_active($) {
251	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	503	}
260		504
261	sub freeze_mainloop {	505	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
263		507
264	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	509	}
266	$WRITE_RUNTIME_WATCHER->start;	510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
267	};	578	}
268	$WRITE_RUNTIME_WATCHER->stop;	579	};
269	$TICK_WATCHER->stop;	580
270	$guard	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
271	}	594	}
272		595
273	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
274		597
275	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		603
281	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
282		605
283	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
284		607
285	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
288		612
289	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
292	fast or be very important.	616	fast or be very important.
…		…
294	=cut	618	=cut
295		619
296	sub sync_job(&) {	620	sub sync_job(&) {
297	my ($job) = @_;	621	my ($job) = @_;
298		622
299	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
300	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
302		628
303	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	630
305	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
306		632
307	my $busy = 1;	633	my $busy = 1;
308	my @res;	634	my @res;
309		635
310	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	638	@res = eval { $job->() };
312	warn $@ if $@;	639	error $@ if $@;
313	undef $busy;	640	undef $busy;
314	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
315		642
316	while ($busy) {	643	while ($busy) {
317	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
318	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
319		654
320	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
321	} else {	656	} else {
322	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
323		658
…		…
343	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
344		679
345	$coro	680	$coro
346	}	681	}
347		682
348	sub write_runtime {	683	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		684
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
352	or return;	686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
353		689
354	my $value = $cf::RUNTIME + 90 + 10;	690	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		691
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub post_fork {
359	and return;	693	reset_signals;
		694	}
360		695
361	aio_fsync $fh	696	sub fork_call(&@) {
362	and return;	697	my ($cb, @args) = @_;
363		698
364	close $fh	699	# we seemingly have to make a local copy of the whole thing,
365	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
366		702
367	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
368	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
369		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
370	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	886	}
372		887
373	=back	888	=back
374		889
375	=cut	890	=cut
376		891
377	#############################################################################	892	#############################################################################
378		893
379	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
380		895
381	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
384		899
385	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	902	Deliantra).
388		903
389	=over 4	904	=over 4
390		905
391	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
392		907
…		…
436	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
437		952
438	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
440		955
441	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
443		958
444	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
445		960
446	=over 4	961	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
556		1071
557	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		1076
562	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
564		1079
565	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
570		1085
571	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1088
574	} elsif (ref $type) {	1089	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
576		1091
577	} else {	1092	} else {
578	shift @arg;	1093	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
580	}	1095	}
581	}	1096	}
582	}	1097	}
583		1098
584	sub _object_attach {	1099	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
595	}	1110	}
596		1111
597	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
598	} else {	1113	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1115	}
601		1116
602	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
603	}	1118	}
604		1119
…		…
606	if (ref $_[0]) {	1121	if (ref $_[0]) {
607	_object_attach @_;	1122	_object_attach @_;
608	} else {	1123	} else {
609	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
610	}	1125	}
		1126	_recalc_want;
611	};	1127	};
612		1128
613	# all those should be optimised	1129	# all those should be optimised
614	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1135	reattach ($obj);
620	} else {	1136	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
622	}	1138	}
		1139	_recalc_want;
623	};	1140	};
624		1141
625	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
627		1144
…		…
642	";	1159	";
643	die if $@;	1160	die if $@;
644	}	1161	}
645		1162
646	our $override;	1163	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1165
649	sub override {	1166	sub override {
650	$override = 1;	1167	$override = 1;
651	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
652	}	1169	}
653		1170
654	sub do_invoke {	1171	sub do_invoke {
655	my $event = shift;	1172	my $event = shift;
656	my $callbacks = shift;	1173	my $callbacks = shift;
657		1174
658	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
659		1176
660	local $override;	1177	local $override;
661		1178
662	for (@$callbacks) {	1179	for (@$callbacks) {
663	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
664		1181
665	if ($@) {	1182	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1184	override;
669	}	1185	}
670		1186
671	return 1 if $override;	1187	return 1 if $override;
672	}	1188	}
673		1189
674	0	1190	0
675	}	1191	}
676		1192
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1194
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1196
681	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
682		1198
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1202
687	=back	1203	=back
688		1204
689	=cut	1205	=cut
690		1206
691	#############################################################################	1207	#############################################################################
692	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
693		1251
694	sub reattach {	1252	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1254	my ($obj) = @_;
697		1255
		1256	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1258
700	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
701		1260
702	@$registry = ();	1261	@$registry = ();
703		1262
…		…
708	for (@$attach) {	1267	for (@$attach) {
709	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
711	}	1270	}
712	} else {	1271	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1273	}
715	}	1274	}
716	}	1275	}
717		1276
718	cf::attachable->attach (	1277	cf::attachable->attach (
719	prio => -1000000,	1278	prio => -1000000,
720	on_instantiate => sub {	1279	on_instantiate => sub {
721	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
722		1281
723	$data = from_json $data;	1282	$data = decode_json $data;
724		1283
725	for (@$data) {	1284	for (@$data) {
726	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
727		1286
728	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1303	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
746		1305
747	sync_job {	1306	sync_job {
748	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
751		1312
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
755	aio_fsync $fh;	1318	aio_fsync $fh;
		1319	}
756	close $fh;	1320	aio_close $fh;
757		1321
758	if (@$objs) {	1322	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
		1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
763	aio_fsync $fh;	1329	aio_fsync $fh;
		1330	}
764	close $fh;	1331	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
766	}	1333	}
767	} else {	1334	} else {
768	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
769	}	1336	}
770		1337
771	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1342	} else {
773	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
774	}	1344	}
775	} else {	1345	} else {
776	aio_unlink $filename;	1346	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
778	}	1348	}
779	}	1349	};
780	}	1350	}
781		1351
782	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
784		1354
…		…
796	or return;	1366	or return;
797		1367
798	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
800	or return;	1370	or return;
		1371
801	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
802	}	1374	}
803		1375
		1376	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
806	return ($data, $av);	1381	($data, $av)
807	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
808		1389
809	#############################################################################	1390	#############################################################################
810	# command handling &c	1391	# command handling &c
811		1392
812	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1407	}
827		1408
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1410
830	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
831		1416
832	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
833	called.	1418	called.
834		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
835	=cut	1431	=cut
836		1432
837	sub register_extcmd {	1433	sub register_extcmd {
838	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
839		1435
840	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
841	}	1437	}
842		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
843	cf::player->attach (	1447	cf::player->attach (
844	on_command => sub {	1448	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
846		1450
847	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
848	or return;	1452	or return;
849		1453
…		…
854	cf::override;	1458	cf::override;
855	},	1459	},
856	on_extcmd => sub {	1460	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
858		1462
859	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1464
861	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
867	} else {	1480	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1482	}
870		1483
871	cf::override;	1484	cf::override;
872	},	1485	},
873	);	1486	);
874		1487
		1488	# "readahead" all extensions
875	sub load_extension {	1489	sub cache_extensions {
876	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
877		1491
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1495	}
903	die $@;
904	}	1496	};
905		1497
906	push @EXTS, $pkg;	1498	$grp
907	}	1499	}
908		1500
909	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
910	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1508	next unless -r $path;
912	eval {	1509
913	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
914	1	1573	}
915	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
916	}	1586	};
917	}	1587	}
918		1588
919	#############################################################################	1589	#############################################################################
920		1590
		1591	=back
		1592
921	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
922		1594
923	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
924		1596
925	=cut	1597	=cut
926		1598
927	package cf::player;	1599	package cf::player;
928		1600
…		…
930		1602
931	=head3 cf::player	1603	=head3 cf::player
932		1604
933	=over 4	1605	=over 4
934		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
935	=item cf::player::find $login	1621	=item cf::player::find $login
936		1622
937	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
938		1624
939	=cut	1625	=cut
940		1626
941	sub playerdir($) {	1627	sub playerdir($) {
942	cf::localdir	1628	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1630	}
948		1631
949	sub path($) {	1632	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1634
952	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
953	}	1636	}
954		1637
955	sub find_active($) {	1638	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
960		1643
961	sub exists($) {	1644	sub exists($) {
962	my ($login) = @_;	1645	my ($login) = @_;
963		1646
964	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
966	}	1649	}
967		1650
968	sub find($) {	1651	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1653	my $login = $_[0];
971		1654
972	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
973		1656
974	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
976	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
978	}	1674	}
979	}	1675	}
980	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
981		1690
982	sub save($) {	1691	sub save($) {
983	my ($pl) = @_;	1692	my ($pl) = @_;
984		1693
985	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
991		1700
992	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
994		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
995	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
996	Coro::cede;	1710	cf::cede_to_tick;
997	}	1711	}
998		1712
999	sub new($) {	1713	sub new($) {
1000	my ($login) = @_;	1714	my ($login) = @_;
1001		1715
…		…
1007	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1008		1722
1009	$self	1723	$self
1010	}	1724	}
1011		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1012	=item $pl->quit_character	1736	=item $pl->quit_character
1013		1737
1014	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1016		1740
1017	=cut	1741	=cut
1018		1742
1019	sub quit_character {	1743	sub quit_character {
1020	my ($pl) = @_;	1744	my ($pl) = @_;
1021		1745
		1746	my $name = $pl->ob->name;
		1747
1022	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1750
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1028	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1029		1759
1030	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1764	$pl->destroy;
		1765
		1766	my $prefix = qr<^~\Q$name\E/>;
		1767
		1768	# nuke player maps
		1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1770
1035	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
		1772	}
		1773
		1774	=item $pl->kick
		1775
		1776	Kicks a player out of the game. This destroys the connection.
		1777
		1778	=cut
		1779
		1780	sub kick {
		1781	my ($pl, $kicker) = @_;
		1782
		1783	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1784	$pl->killer ("kicked");
		1785	$pl->ns->destroy;
1036	}	1786	}
1037		1787
1038	=item cf::player::list_logins	1788	=item cf::player::list_logins
1039		1789
1040	Returns am arrayref of all valid playernames in the system, can take a	1790	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1042		1792
1043	=cut	1793	=cut
1044		1794
1045	sub list_logins {	1795	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1797	or return [];
1048		1798
1049	my @logins;	1799	my @logins;
1050		1800
1051	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1055		1811
1056	utf8::decode $login;	1812	utf8::decode $login;
1057	push @logins, $login;	1813	push @logins, $login;
1058	}	1814	}
1059		1815
1060	\@logins	1816	\@logins
1061	}	1817	}
1062		1818
1063	=item $player->maps	1819	=item $player->maps
1064		1820
		1821	=item cf::player::maps $login
		1822
1065	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1066	player. May block.	1824	player. May block.
1067		1825
1068	=cut	1826	=cut
1069		1827
1070	sub maps($) {	1828	sub maps($) {
1071	my ($pl) = @_;	1829	my ($pl) = @_;
		1830
		1831	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1832
1073	my $files = aio_readdir playerdir $pl	1833	my $files = aio_readdir playerdir $pl
1074	or return;	1834	or return;
1075		1835
1076	my @paths;	1836	my @paths;
…		…
1078	for (@$files) {	1838	for (@$files) {
1079	utf8::decode $_;	1839	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1840	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1841	next unless /^$PATH_SEP/o;
1082		1842
1083	s/\.map$//;	1843	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1844	}
1086		1845
1087	\@paths	1846	\@paths
1088	}	1847	}
1089		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1091		1854
1092	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1093		1856
1094	=cut	1857	=cut
1095		1858
1096	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1098		1861
1099	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1863	}
1103		1864
1104	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		1872	my ($self, $type, @msg) = @_;
		1873
		1874	$self->ns->ext_msg ($type, @msg);
		1875	}
		1876
		1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1105		1907
1106	=back	1908	=back
1107
1108		1909
1109	=head3 cf::map	1910	=head3 cf::map
1110		1911
1111	=over 4	1912	=over 4
1112		1913
…		…
1124	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1126		1927
1127	sub generate_random_map {	1928	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1129	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1130	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)
1143	}	1934	}
1144		1935
1145	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1146		1937
1147	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1152		1943
1153	sub register {	1944	sub register {
1154	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1946	my $pkg = caller;
1156		1947
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1949
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1951	}
1162		1952
1163	# also paths starting with '/'	1953	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1955
1166	sub thawer_merge {	1956	sub thawer_merge {
1167	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1168		1958
1169	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1170	local $self->{path};	1960	local $self->{path};
1171	local $self->{load_path};	1961	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1962
1175	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1176	}	1964	}
1177		1965
1178	sub normalise {	1966	sub normalise {
1179	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1180		1968
1181	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
		1970
		1971	$path =~ s/\.map$//;
1182		1972
1183	# map plan:	1973	# map plan:
1184	#	1974	#
1185	# /! non-realised random map exit (special hack!)	1975	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1976	# {... are special paths that are not being touched
…		…
1199	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1200	$path = "$base/$path";	1990	$path = "$base/$path";
1201	}	1991	}
1202		1992
1203	for ($path) {	1993	for ($path) {
1204	redo if s{//}{/};
1205	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1206	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1207	}	1996	}
1208		1997
1209	$path	1998	$path
…		…
1223	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1224	return $self;	2013	return $self;
1225	}	2014	}
1226	}	2015	}
1227		2016
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1229	()	2018	()
1230	}	2019	}
1231		2020
		2021	# may re-bless or do other evil things
1232	sub init {	2022	sub init {
1233	my ($self) = @_;	2023	my ($self) = @_;
1234		2024
1235	$self	2025	$self
1236	}	2026	}
…		…
1248		2038
1249	# the original (read-only) location	2039	# the original (read-only) location
1250	sub load_path {	2040	sub load_path {
1251	my ($self) = @_;	2041	my ($self) = @_;
1252		2042
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1254	}	2044	}
1255		2045
1256	# the temporary/swap location	2046	# the temporary/swap location
1257	sub save_path {	2047	sub save_path {
1258	my ($self) = @_;	2048	my ($self) = @_;
1259		2049
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1262	}	2052	}
1263		2053
1264	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1265	sub uniq_path {	2055	sub uniq_path {
1266	my ($self) = @_;	2056	my ($self) = @_;
1267		2057
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1270	}	2060	}
1271		2061
1272	# and all this just because we cannot iterate over	2062	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	2063	my ($self) = @_;
1276		2064
1277	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1279	}	2068	}
1280		2069
1281	sub unlink_save {	2070	sub unlink_save {
1282	my ($self) = @_;	2071	my ($self) = @_;
1283		2072
…		…
1288		2077
1289	sub load_header_from($) {	2078	sub load_header_from($) {
1290	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1291		2080
1292	utf8::encode $path;	2081	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1294	or return;	2083	or return;
1295		2084
1296	$self->_load_header ($path)	2085	$self->_load_header ($f)
1297	or return;	2086	or return;
1298		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1299	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1300		2092
1301	1	2093	1
1302	}	2094	}
1303		2095
		2096	# used to laod the header of an original map
1304	sub load_header_orig {	2097	sub load_header_orig {
1305	my ($self) = @_;	2098	my ($self) = @_;
1306		2099
1307	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1308	}	2101	}
1309		2102
		2103	# used to laod the header of an instantiated map
1310	sub load_header_temp {	2104	sub load_header_temp {
1311	my ($self) = @_;	2105	my ($self) = @_;
1312		2106
1313	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1314	}	2108	}
1315		2109
		2110	# called after loading the header from an instantiated map
1316	sub prepare_temp {	2111	sub prepare_temp {
1317	my ($self) = @_;	2112	my ($self) = @_;
1318		2113
1319	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1320	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1321	# safety	2116	# safety
1322	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1323	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1324	}	2119	}
1325		2120
		2121	# called after loading the header from an original map
1326	sub prepare_orig {	2122	sub prepare_orig {
1327	my ($self) = @_;	2123	my ($self) = @_;
1328		2124
1329	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1330	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1341	$self->load_header_orig	2137	$self->load_header_orig
1342	or return;	2138	or return;
1343	$self->prepare_orig;	2139	$self->prepare_orig;
1344	}	2140	}
1345		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
1346	1	2148	1
1347	}	2149	}
1348		2150
1349	sub find;	2151	sub find;
1350	sub find {	2152	sub find {
1351	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1352		2154
		2155	cf::cede_to_tick;
		2156
1353	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1354		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1356		2161
1357	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1360	or return;	2164	or return;
1361		2165
1362	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1363		2167
1364	$map->load_header	2168	$map->load_header
1365	or return;	2169	or return;
1366		2170
1367	if ($map->should_reset) {	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1370	$map->reset;	2176	$map->reset;
1371	undef $guard;
1372	return find $path;	2177	return find $path;
1373	}	2178	}
1374		2179
1375	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1376	}	2181	}
1377	}	2182	}
1378		2183
1379	sub pre_load { }	2184	sub pre_load { }
1380	sub post_load { }	2185	#sub post_load { } # XS
1381		2186
1382	sub load {	2187	sub load {
1383	my ($self) = @_;	2188	my ($self) = @_;
1384		2189
		2190	local $self->{deny_reset} = 1; # loading can take a long time
		2191
1385	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1387		2196
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1389		2199
1390	$self->in_memory (cf::MAP_LOADING);
1391
1392	$self->alloc;	2200	$self->alloc;
1393		2201
1394	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1395		2204
1396	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1397	or return;	2209	or return;
1398		2210
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1400	if delete $self->{load_original};	2212	if delete $self->{load_original};
1401		2213
1402	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2215	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2218	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1407	}	2223	}
1408	}
1409		2224
1410	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1411		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1412	# now do the right thing for maps	2234	# now do the right thing for maps
1413	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2237	unless $self->difficulty;
1423	Coro::cede;	2238	cf::cede_to_tick;
1424	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	$self->post_load_physics;
		2245	cf::cede_to_tick;
		2246	#$self->activate; # no longer activate maps automatically
		2247	}
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1425	}	2251	}
1426		2252
1427	$self->post_load;	2253	$self->post_load;
1428		2254
1429	$self->in_memory (cf::MAP_IN_MEMORY);	2255	1
1430	}	2256	}
1431		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1432	sub customise_for {	2261	sub customise_for {
1433	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1434		2263
1435	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2265	if $self->per_player;
1437		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1438	$self	2270	$self
1439	}	2271	}
1440		2272
1441	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	2274	sub load_neighbours {
1443	my ($map) = @_;	2275	my ($map) = @_;
1444		2276
1445	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1446		2278
1447	for (0 .. 3) {	2279	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1449	or next;	2281	or next;
1450	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1451	or next;	2283	or next;
1452	$neigh->load;	2284	$neigh->load;
1453		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	2290	}
1457		2291
1458	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1460	or next;	2295	or next;
1461	$neigh->load;	2296	$neigh->load;
1462	}	2297	}
1463	}	2298	}
1464		2299
1465	sub find_sync {	2300	sub find_sync {
1466	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1467		2302
1468	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1469	}	2308	}
1470		2309
1471	sub do_load_sync {	2310	sub do_load_sync {
1472	my ($map) = @_;	2311	my ($map) = @_;
1473		2312
1474	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1475	}	2318	}
1476		2319
1477	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1479		2322
1480	sub find_async {	2323	sub find_async {
1481	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1482		2325
1483	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1484		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
1485	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
1487	}	2332	}
1488		2333
1489	undef $MAP_PREFETCH{$path};	2334	$MAP_PREFETCH{$path} |= $load;
		2335
1490	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
		2337	$Coro::current->{desc} = "map prefetcher";
		2338
1491	while (%MAP_PREFETCH) {	2339	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2340	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2341	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2342	$map->load if $v;
		2343	}
1496		2344
1497	delete $MAP_PREFETCH{$path};	2345	delete $MAP_PREFETCH{$k};
1498	}	2346	}
1499	}	2347	}
1500	undef $MAP_PREFETCHER;	2348	undef $MAP_PREFETCHER;
1501	};	2349	};
1502	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
1503		2351
1504	()	2352	()
1505	}	2353	}
1506		2354
		2355	# common code, used by both ->save and ->swapout
1507	sub save {	2356	sub _save {
1508	my ($self) = @_;	2357	my ($self) = @_;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1511		2358
1512	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
1513		2360
1514	return unless $self->dirty;	2361	return unless $self->dirty;
1515		2362
…		…
1521	return if $self->{deny_save};	2368	return if $self->{deny_save};
1522		2369
1523	local $self->{last_access} = $self->last_access;#d#	2370	local $self->{last_access} = $self->last_access;#d#
1524		2371
1525	cf::async {	2372	cf::async {
		2373	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
1527	};	2375	};
		2376
		2377	cf::get_slot 0.02;
1528		2378
1529	if ($uniq) {	2379	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2382	} else {
1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1534	}	2384	}
1535	}	2385	}
1536		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
1537	sub swap_out {	2395	sub swap_out {
1538	my ($self) = @_;	2396	my ($self) = @_;
1539		2397
1540	# save first because save cedes
1541	$self->save;
1542
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
1545	return if $self->players;	2402	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1547	return if $self->{deny_save};
1548		2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
1549	$self->clear;	2413	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2414	}
1552		2415
1553	sub reset_at {	2416	sub reset_at {
1554	my ($self) = @_;	2417	my ($self) = @_;
1555		2418
1556	# TODO: safety, remove and allow resettable per-player maps	2419	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2420	return 1e99 if $self->{deny_reset};
1559		2421
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2423	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2424
…		…
1573	my ($self) = @_;	2435	my ($self) = @_;
1574		2436
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2438
1577	return if $self->players;	2439	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2440
1580	warn "resetting map ", $self->path;#d#	2441	cf::trace "resetting map ", $self->path, "\n";
		2442
		2443	$self->state (cf::MAP_SWAPPED);
		2444
		2445	# need to save uniques path
		2446	unless ($self->{deny_save}) {
		2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2448
		2449	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2450	if $uniq;
		2451	}
1581		2452
1582	delete $cf::MAP{$self->path};	2453	delete $cf::MAP{$self->path};
1583		2454
1584	$self->in_memory (cf::MAP_SWAPPED);	2455	$self->deactivate;
		2456	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2457	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2458
1589	$self->unlink_save;	2459	$self->unlink_save;
1590	$self->destroy;	2460	$self->destroy;
1591	}	2461	}
1592		2462
1593	my $nuke_counter = "aaaa";	2463	my $nuke_counter = "aaaa";
1594		2464
1595	sub nuke {	2465	sub nuke {
1596	my ($self) = @_;	2466	my ($self) = @_;
1597		2467
		2468	{
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
1598	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
1599		2472
1600	$self->unlink_save;	2473	$self->unlink_save;
1601		2474
1602	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
1603	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2480
1608	$cf::MAP{$self->path} = $self;	2481	$cf::MAP{$self->path} = $self;
		2482	}
1609		2483
1610	$self->reset; # polite request, might not happen	2484	$self->reset; # polite request, might not happen
		2485	}
		2486
		2487	=item $maps = cf::map::tmp_maps
		2488
		2489	Returns an arrayref with all map paths of currently instantiated and saved
		2490	maps. May block.
		2491
		2492	=cut
		2493
		2494	sub tmp_maps() {
		2495	[
		2496	map {
		2497	utf8::decode $_;
		2498	/\.map$/
		2499	? normalise $_
		2500	: ()
		2501	} @{ aio_readdir $TMPDIR or [] }
		2502	]
		2503	}
		2504
		2505	=item $maps = cf::map::random_maps
		2506
		2507	Returns an arrayref with all map paths of currently instantiated and saved
		2508	random maps. May block.
		2509
		2510	=cut
		2511
		2512	sub random_maps() {
		2513	[
		2514	map {
		2515	utf8::decode $_;
		2516	/\.map$/
		2517	? normalise "?random/$_"
		2518	: ()
		2519	} @{ aio_readdir $RANDOMDIR or [] }
		2520	]
1611	}	2521	}
1612		2522
1613	=item cf::map::unique_maps	2523	=item cf::map::unique_maps
1614		2524
1615	Returns an arrayref of paths of all shared maps that have	2525	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2526	instantiated unique items. May block.
1617		2527
1618	=cut	2528	=cut
1619		2529
1620	sub unique_maps() {	2530	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2531	[
1622	or return;	2532	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2533	utf8::decode $_;
1628	next if /\.pst$/;	2534	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2536	? ()
		2537	: normalise $_
		2538	} @{ aio_readdir $UNIQUEDIR or [] }
		2539	]
		2540	}
1630		2541
		2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
1631	s/\.map$//;	2563	s/\.map$// or next;
1632	push @paths, $_;	2564	utf8::decode $_;
1633	}	2565	push @maps, "$dir/$_";
		2566	}
1634		2567
1635	\@paths	2568	push @dirs, map "$dir/$_", @$dirs;
1636	}	2569	}
1637		2570
1638	package cf;	2571	\@maps
		2572	}
1639		2573
1640	=back	2574	=back
1641		2575
1642	=head3 cf::object	2576	=head3 cf::object
1643		2577
…		…
1647		2581
1648	=over 4	2582	=over 4
1649		2583
1650	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
1651		2585
1652	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
1653		2588
1654	=cut	2589	=cut
1655		2590
1656	sub inv_recursive_;	2591	sub inv_recursive_;
1657	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
1660		2595
1661	sub inv_recursive {	2596	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
1663	}	2598	}
1664		2599
		2600	=item $ref = $ob->ref
		2601
		2602	Creates and returns a persistent reference to an object that can be stored as a string.
		2603
		2604	=item $ob = cf::object::deref ($refstring)
		2605
		2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2607	even if the object actually exists. May block.
		2608
		2609	=cut
		2610
		2611	sub deref {
		2612	my ($ref) = @_;
		2613
		2614	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2615	my ($uuid, $name) = ($1, $2);
		2616	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2617	or return;
		2618	$pl->ob->uuid eq $uuid
		2619	or return;
		2620
		2621	$pl->ob
		2622	} else {
		2623	warn "$ref: cannot resolve object reference\n";
		2624	undef
		2625	}
		2626	}
		2627
1665	package cf;	2628	package cf;
1666		2629
1667	=back	2630	=back
1668		2631
1669	=head3 cf::object::player	2632	=head3 cf::object::player
…		…
1675	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2638	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1676	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
1677	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
1678		2641
1679	=cut	2642	=cut
		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
1680		2657
1681	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2659	# with dialog boxes.
1683	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
1684	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
…		…
1686		2663
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2664	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2665
1689	if ($self->{record_replies}) {	2666	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2667	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2668
1691	} else {	2669	} else {
		2670	my $pl = $self->contr;
		2671
		2672	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2673	my $dialog = $pl->{npc_dialog};
		2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2675
		2676	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2679	}
1694	}	2680	}
		2681	}
		2682
		2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2684
		2685	=cut
		2686
		2687	sub cf::object::send_msg {
		2688	my $pl = shift->contr
		2689	or return;
		2690	$pl->send_msg (@_);
1695	}	2691	}
1696		2692
1697	=item $player_object->may ("access")	2693	=item $player_object->may ("access")
1698		2694
1699	Returns wether the given player is authorized to access resource "access"	2695	Returns wether the given player is authorized to access resource "access"
…		…
1712		2708
1713	=item $player_object->enter_link	2709	=item $player_object->enter_link
1714		2710
1715	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
1716		2712
1717	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
1718	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
1719		2717
1720	Will never block.	2718	Will never block.
1721		2719
1722	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
1723		2721
…		…
1731	=cut	2729	=cut
1732		2730
1733	sub link_map {	2731	sub link_map {
1734	unless ($LINK_MAP) {	2732	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2733	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2734	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2735	$LINK_MAP->load;
1738	}	2736	}
1739		2737
1740	$LINK_MAP	2738	$LINK_MAP
1741	}	2739	}
…		…
1743	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
1744	my ($self) = @_;	2742	my ($self) = @_;
1745		2743
1746	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
1747		2745
		2746	++$self->{_link_recursion};
		2747
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2749
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2751	if $self->map && $self->map->{path} ne "{link}";
1752		2752
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1754	}	2754	}
1755		2755
1756	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
		2758
		2759	return unless $self->contr->active;
1758		2760
1759	my $link_pos = delete $self->{_link_pos};	2761	my $link_pos = delete $self->{_link_pos};
1760		2762
1761	unless ($map) {	2763	unless ($map) {
1762	# restore original map position	2764	# restore original map position
…		…
1773	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
1774	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
1775		2777
1776	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
1779		2781
1780	$map->load;	2782	$map->load;
1781	$map->load_diag;	2783	$map->load_neighbours;
1782		2784
1783	return unless $self->contr->active;	2785	return unless $self->contr->active;
		2786
		2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2788	if ($self->enter_map ($map, $x, $y)) {
		2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
1784	$self->activate_recursive;	2792	$self->activate_recursive;
1785	$self->enter_map ($map, $x, $y);
1786	}
1787
1788	cf::player->attach (
1789	on_logout => sub {
1790	my ($pl) = @_;
1791
1792	# abort map switching before logout
1793	if ($pl->ob->{_link_pos}) {
1794	cf::sync_job {
1795	$pl->ob->leave_link
1796	};
1797	}
1798	},	2793	}
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2794
1802	# try to abort aborted map switching on player login :)	2795	}
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2796
1820	=item $player_object->goto ($path, $x, $y)	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1821		2798
		2799	Moves the player to the given map-path and coordinates by first freezing
		2800	her, loading and preparing them map, calling the provided $check callback
		2801	that has to return the map if sucecssful, and then unfreezes the player on
		2802	the new (success) or old (failed) map position. In either case, $done will
		2803	be called at the end of this process.
		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
1822	=cut	2808	=cut
		2809
		2810	our $GOTOGEN;
1823		2811
1824	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
		2820
		2821	# do generation counting so two concurrent goto's will be executed in-order
		2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2823
1827	$self->enter_link;	2824	$self->enter_link;
1828		2825
1829	(async {	2826	(async {
1830	my $map = cf::map::find $path;	2827	$Coro::current->{desc} = "player::goto $path $x $y";
		2828
		2829	# *tag paths override both path and x|y
		2830	if ($path =~ /^\*(.*)$/) {
		2831	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2832	my $ob = $obs[rand @obs];
		2833
		2834	# see if we actually can go there
		2835	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2836	$ob = $obs[rand @obs];
		2837	} else {
		2838	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840	# else put us there anyways for now #d#
		2841
		2842	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2843	} else {
		2844	($path, $x, $y) = (undef, undef, undef);
		2845	}
		2846	}
		2847
		2848	my $map = eval {
		2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2850
		2851	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2852	$map = $map->customise_for ($self);
1832		2853	$map = $check->($map, $x, $y, $self) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2854	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2856	}
1837		2857
		2858	$map
		2859	};
		2860
		2861	if ($@) {
		2862	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2863	LOG llevError | logBacktrace, Carp::longmess $@;
		2864	}
		2865
		2866	if ($gen == $self->{_goto_generation}) {
		2867	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
		2869	}
		2870
		2871	$done->($self) if $done;
1839	})->prio (1);	2872	})->prio (1);
1840	}	2873	}
1841		2874
1842	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
1843		2876
…		…
1863	}	2896	}
1864		2897
1865	sub prepare_random_map {	2898	sub prepare_random_map {
1866	my ($exit) = @_;	2899	my ($exit) = @_;
1867		2900
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2903	# that depends on the exit object
1873		2904
1874	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
1875		2906
1876	if ($exit->map) {	2907	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2908	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
1881	}	2914	}
1882		2915
1883	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
1884		2917
1885	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
1888		2921
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2924	undef $fh;
1892	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
1893		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
1896	}	2933	}
1897	}	2934	}
1898		2935
1899	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
1903		2940
1904	$self->enter_link;	2941	$self->enter_link;
1905		2942
1906	(async {	2943	(async {
1907	$self->deactivate_recursive; # just to be sure	2944	$Coro::current->{desc} = "enter_exit";
		2945
1908	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
1909	prepare_random_map $exit	2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
1910	if $exit->slaying eq "/!";	2963	$map = $exit->slaying;
1911		2964
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2965	} elsif ($slaying eq '!up') {
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
1914		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
		2976	$self->goto ($map, $x, $y);
		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
1915	1;	2982	1
1916	}) {	2983	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
1918	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
1919	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2988
1922	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
1923	$self->leave_link;	2990	$self->leave_link;
1924	}	2991	}
1925	})->prio (1);	2992	})->prio (1);
1926	}	2993	}
1927		2994
…		…
1938		3005
1939	sub cf::client::send_drawinfo {	3006	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	3007	my ($self, $text, $flags) = @_;
1941		3008
1942	utf8::encode $text;	3009	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	3011	}
1945		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
		3036	}
		3037
		3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3039
		3040	Send a drawinfo or msg packet to the client, formatting the msg for the
		3041	client if neccessary. C<$type> should be a string identifying the type of
		3042	the message, with C<log> being the default. If C<$color> is negative, suppress
		3043	the message unless the client supports the msg packet.
		3044
		3045	=cut
		3046
		3047	# non-persistent channels (usually the info channel)
		3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
		3055	"c/identify" => {
		3056	id => "infobox",
		3057	title => "Identify",
		3058	reply => undef,
		3059	tooltip => "Items recently identified",
		3060	},
		3061	"c/examine" => {
		3062	id => "infobox",
		3063	title => "Examine",
		3064	reply => undef,
		3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
		3072	},
		3073	"c/book" => {
		3074	id => "infobox",
		3075	title => "Book",
		3076	reply => undef,
		3077	tooltip => "The contents of a note or book",
		3078	},
		3079	"c/lookat" => {
		3080	id => "infobox",
		3081	title => "Look",
		3082	reply => undef,
		3083	tooltip => "What you saw there",
		3084	},
		3085	"c/who" => {
		3086	id => "infobox",
		3087	title => "Players",
		3088	reply => undef,
		3089	tooltip => "Shows players who are currently online",
		3090	},
		3091	"c/body" => {
		3092	id => "infobox",
		3093	title => "Body Parts",
		3094	reply => undef,
		3095	tooltip => "Shows which body parts you posess and are available",
		3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
		3133	"c/uptime" => {
		3134	id => "infobox",
		3135	title => "Uptime",
		3136	reply => undef,
		3137	tooltip => "How long the server has been running since last restart",
		3138	},
		3139	"c/mapinfo" => {
		3140	id => "infobox",
		3141	title => "Map Info",
		3142	reply => undef,
		3143	tooltip => "Information related to the maps",
		3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
		3159	);
		3160
		3161	sub cf::client::send_msg {
		3162	my ($self, $channel, $msg, $color, @extra) = @_;
		3163
		3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
		3166
		3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3168
		3169	# check predefined channels, for the benefit of C
		3170	if ($CHANNEL{$channel}) {
		3171	$channel = $CHANNEL{$channel};
		3172
		3173	$self->ext_msg (channel_info => $channel);
		3174	$channel = $channel->{id};
		3175
		3176	} elsif (ref $channel) {
		3177	# send meta info to client, if not yet sent
		3178	unless (exists $self->{channel}{$channel->{id}}) {
		3179	$self->{channel}{$channel->{id}} = $channel;
		3180	$self->ext_msg (channel_info => $channel);
		3181	}
		3182
		3183	$channel = $channel->{id};
		3184	}
		3185
		3186	return unless @extra || length $msg;
		3187
		3188	# default colour, mask it out
		3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3190	if $color & cf::NDI_DEF;
		3191
		3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
		3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3195	);
		3196
		3197	$self->send_big_packet ($pkt);
		3198	}
		3199
		3200	=item $client->ext_msg ($type, @msg)
		3201
		3202	Sends an ext event to the client.
		3203
		3204	=cut
		3205
		3206	sub cf::client::ext_msg($$@) {
		3207	my ($self, $type, @msg) = @_;
		3208
		3209	if ($self->extcmd == 2) {
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3211	} elsif ($self->extcmd == 1) { # TODO: remove
		3212	push @msg, msgtype => "event_$type";
		3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3214	}
		3215	}
		3216
		3217	=item $client->ext_reply ($msgid, @msg)
		3218
		3219	Sends an ext reply to the client.
		3220
		3221	=cut
		3222
		3223	sub cf::client::ext_reply($$@) {
		3224	my ($self, $id, @msg) = @_;
		3225
		3226	if ($self->extcmd == 2) {
		3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3228	} elsif ($self->extcmd == 1) {
		3229	#TODO: version 1, remove
		3230	unshift @msg, msgtype => "reply", msgid => $id;
		3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3232	}
		3233	}
1946		3234
1947	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
1948		3236
1949	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
1950	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3238	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1951	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1952		3240
1953	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
1954	reliable at some point in the future.	3242	become reliable at some point in the future.
1955		3243
1956	=cut	3244	=cut
1957		3245
1958	sub cf::client::query {	3246	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	3255	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		3257
1970	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
1972	}	3262	}
1973		3263
1974	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
1975	on_reply => sub {	3270	on_reply => sub {
1976	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
1977		3272
1978	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
1979	# get handled first	3274	# get handled first
1980	my $queue = delete $ns->{query_queue}	3275	my $queue = delete $ns->{query_queue}
1981	or return; # be conservative, not sure how that can happen, but we saw a crash here	3276	or return; # be conservative, not sure how that can happen, but we saw a crash here
1982		3277
1983	(shift @$queue)->[1]->($msg);	3278	(shift @$queue)->[1]->($msg);
		3279	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		3280
1985	push @{ $ns->{query_queue} }, @$queue;	3281	push @{ $ns->{query_queue} }, @$queue;
1986		3282
1987	if (@{ $ns->{query_queue} } == @$queue) {	3283	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	3284	if (@$queue) {
…		…
1990	} else {	3286	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	3288	}
1993	}	3289	}
1994	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) =
		3298	"ARRAY" eq ref $msg
		3299	? @$msg
		3300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3301
		3302	my @reply;
		3303
		3304	if (my $cb = $EXTICMD{$type}) {
		3305	@reply = $cb->($ns, @payload);
		3306	}
		3307
		3308	$ns->ext_reply ($reply, @reply)
		3309	if $reply;
		3310
		3311	} else {
		3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3313	}
		3314
		3315	cf::override;
		3316	},
1995	);	3317	);
1996		3318
1997	=item $client->async (\&cb)	3319	=item $client->async (\&cb)
1998		3320
1999	Create a new coroutine, running the specified callback. The coroutine will	3321	Create a new coroutine, running the specified callback. The coroutine will
…		…
2015		3337
2016	$coro	3338	$coro
2017	}	3339	}
2018		3340
2019	cf::client->attach (	3341	cf::client->attach (
2020	on_destroy => sub {	3342	on_client_destroy => sub {
2021	my ($ns) = @_;	3343	my ($ns) = @_;
2022		3344
2023	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2024	},	3346	},
2025	);	3347	);
…		…
2040	our $safe = new Safe "safe";	3362	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2042		3364
2043	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2044		3366
2045	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3367	$safe->permit_only (Opcode::opset qw(
		3368	:base_core :base_mem :base_orig :base_math :base_loop
		3369	grepstart grepwhile mapstart mapwhile
		3370	sort time
		3371	));
2046		3372
2047	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
2048		3374
2049	=pod	3375	=pod
2050		3376
2051	The following fucntions and emthods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2052		3378
2053	cf::object contr pay_amount pay_player map	3379	cf::object
		3380	contr pay_amount pay_player map x y force_find force_add destroy
		3381	insert remove name archname title slaying race decrease split
		3382	value
		3383
2054	cf::object::player player	3384	cf::object::player
2055	cf::player peaceful	3385	player
2056	cf::map trigger	3386
		3387	cf::player
		3388	peaceful
		3389
		3390	cf::map
		3391	trigger
2057		3392
2058	=cut	3393	=cut
2059		3394
2060	for (	3395	for (
2061	["cf::object" => qw(contr pay_amount pay_player map)],	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3397	insert remove inv nrof name archname title slaying race
		3398	decrease split destroy change_exp value msg lore send_msg)],
2062	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2064	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2065	) {	3402	) {
2066	no strict 'refs';
2067	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2068	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2069	for @funs;	3405	for @funs;
2070	}	3406	}
2071		3407
…		…
2086		3422
2087	my $qcode = $code;	3423	my $qcode = $code;
2088	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2089	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2090		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2091	local $_;	3430	local $_;
2092	local @safe::cf::_safe_eval_args = values %vars;
2093		3431
2094	my $eval =	3432	my $eval =
2095	"do {\n"	3433	"do {\n"
2096	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2097	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2098	. $code	3436	. $code
2099	. "\n}"	3437	. "\n}"
2100	;	3438	;
2101		3439
		3440	if ($CFG{safe_eval}) {
2102	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
2103	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2104	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
2105		3449
2106	if ($@) {	3450	if ($@) {
2107	warn "$@";	3451	warn "$@",
2108	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
2109	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
2110	}	3454	}
2111		3455
2112	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
2113	}	3457	}
2114		3458
…		…
2128	=cut	3472	=cut
2129		3473
2130	sub register_script_function {	3474	sub register_script_function {
2131	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
2132		3476
2133	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
2134	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
2135	}	3479	}
2136		3480
2137	=back	3481	=back
2138		3482
2139	=cut	3483	=cut
2140		3484
2141	#############################################################################	3485	#############################################################################
		3486	# the server's init and main functions
2142		3487
2143	=head2 EXTENSION DATABASE SUPPORT	3488	sub load_facedata($) {
		3489	my ($path) = @_;
2144		3490
2145	Crossfire maintains a very simple database for extension use. It can	3491	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3492	# for this (global event?)
2147	excludes objects.	3493	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3494
2149	The parameter C<$family> should best start with the name of the extension	3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3496
2152	=over 4	3497	trace "loading facedata from $path\n";
2153		3498
2154	=item $hashref = cf::db_get $family	3499	my $facedata = decode_storable load_file $path;
2155		3500
2156	Return a hashref for use by the extension C<$family>, which can be	3501	$facedata->{version} == 2
2157	modified. After modifications, you have to call C<cf::db_dirty> or	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
2158	C<cf::db_sync>.
2159		3503
2160	=item $value = cf::db_get $family => $key	3504	# patch in the exptable
2161		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2162	Returns a single value from the database	3506	$facedata->{resource}{"res/exp_table"} = {
2163		3507	type => FT_RSRC,
2164	=item cf::db_put $family => $hashref	3508	data => $exp_table,
2165		3509	hash => (Digest::MD5::md5 $exp_table),
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	3510	};
		3511	cf::cede_to_tick;
2192		3512
2193	my $pid;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}	3513	{
		3514	my $faces = $facedata->{faceinfo};
2204		3515
2205	my $dirty;	3516	while (my ($face, $info) = each %$faces) {
		3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3518
2207	sub db_sync() {	3519	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3520	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2210	}	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2211		3524
2212	my $idle = Event->idle (	3525	cf::cede_to_tick;
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	3526	}
2246	);
2247	}
2248		3527
2249	#############################################################################	3528	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3529	next unless $info->{smooth};
2251		3530
2252	sub cfg_load {	3531	my $idx = cf::face::find $face
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3532	or next;
2254	or return;
2255		3533
2256	local $/;	3534	if (my $smooth = cf::face::find $info->{smooth}) {
2257	*CFG = YAML::Syck::Load <$fh>;	3535	cf::face::set_smooth $idx, $smooth;
		3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3537	} else {
		3538	error "smooth face '$info->{smooth}' not found for face '$face'";
		3539	}
2258		3540
		3541	cf::cede_to_tick;
		3542	}
		3543	}
		3544
		3545	{
		3546	my $anims = $facedata->{animinfo};
		3547
		3548	while (my ($anim, $info) = each %$anims) {
		3549	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3550	cf::cede_to_tick;
		3551	}
		3552
		3553	cf::anim::invalidate_all; # d'oh
		3554	}
		3555
		3556	{
		3557	my $res = $facedata->{resource};
		3558
		3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
		3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3562
		3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3564	cf::face::set_type $idx, $info->{type};
		3565	} else {
		3566	$RESOURCE{$name} = $info; # unused
		3567	}
		3568
		3569	cf::cede_to_tick;
		3570	}
		3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3574
		3575	1
		3576	}
		3577
		3578	register_exticmd fx_want => sub {
		3579	my ($ns, $want) = @_;
		3580
		3581	while (my ($k, $v) = each %$want) {
		3582	$ns->fx_want ($k, $v);
		3583	}
		3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
		3595
		3596	sub reload_regions {
		3597	# HACK to clear player env face cache, we need some signal framework
		3598	# for this (global event?)
		3599	%ext::player_env::MUSIC_FACE_CACHE = ();
		3600
		3601	load_resource_file "$MAPDIR/regions"
		3602	or die "unable to load regions file\n";
		3603
		3604	for (cf::region::list) {
		3605	$_->{match} = qr/$_->{match}/
		3606	if exists $_->{match};
		3607	}
		3608	}
		3609
		3610	sub reload_facedata {
		3611	load_facedata "$DATADIR/facedata"
		3612	or die "unable to load facedata\n";
		3613	}
		3614
		3615	sub reload_archetypes {
		3616	load_resource_file "$DATADIR/archetypes"
		3617	or die "unable to load archetypes\n";
		3618	}
		3619
		3620	sub reload_treasures {
		3621	load_resource_file "$DATADIR/treasures"
		3622	or die "unable to load treasurelists\n";
		3623	}
		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
		3645	sub reload_resources {
		3646	trace "reloading resource files...\n";
		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
		3653	reload_regions;
		3654	reload_treasures;
		3655
		3656	trace "finished reloading resource files\n";
		3657	}
		3658
		3659	sub reload_config {
		3660	trace "reloading config file...\n";
		3661
		3662	my $config = load_file "$CONFDIR/config";
		3663	utf8::decode $config;
		3664	*CFG = decode_yaml $config;
		3665
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3667
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2263		3670
2264	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
2268	};	3675	};
2269	warn $@ if $@;	3676	warn $@ if $@;
2270	}	3677	}
2271	}	3678	}
2272		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
2273	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
2274	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2277	(async {	3721	(async {
2278	Event::one_event;	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3723	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
2280	};	3725	};
2281		3726
2282	cfg_load;	3727	evthread_start IO::AIO::poll_fileno;
2283	db_load;	3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
		3739	reload_config;
		3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
2284	load_extensions;	3750	load_extensions;
2285		3751
2286	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
2287	Event::loop;	3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
2288	}	3770	}
2289		3771
2290	#############################################################################	3772	#############################################################################
2291	# initialisation and cleanup	3773	# initialisation and cleanup
2292		3774
2293	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
2294	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2297	reentrant => 0,
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	prio => 0,
2301	cb => sub {
2302	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
2303	},
2304	);	3781	};
		3782	}
		3783	}
		3784
		3785	sub write_runtime_sync {
		3786	my $t0 = AE::time;
		3787
		3788	# first touch the runtime file to show we are still running:
		3789	# the fsync below can take a very very long time.
		3790
		3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3792
		3793	my $guard = cf::lock_acquire "write_runtime";
		3794
		3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3796	or return;
		3797
		3798	my $value = $cf::RUNTIME + 90 + 10;
		3799	# 10 is the runtime save interval, for a monotonic clock
		3800	# 60 allows for the watchdog to kill the server.
		3801
		3802	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3803	and return;
		3804
		3805	# always fsync - this file is important
		3806	aio_fsync $fh
		3807	and return;
		3808
		3809	# touch it again to show we are up-to-date
		3810	aio_utime $fh, undef, undef;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3816	and return;
		3817
		3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3819
2305	}	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
2306	}	3871	}
2307		3872
2308	sub emergency_save() {	3873	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
2310		3875
2311	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
2312		3882
2313	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
2314	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
2315	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
2316	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
2318	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3892	$pl->valid or next;
		3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3894	$pl->save;
2322	}	3895	}
2323	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
2324		3897
2325	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
2326	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
2327	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3903	$map->valid or next;
2329	$map->save;	3904	$map->save;
2330	}	3905	}
2331	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
		3911	BDB::db_env_txn_checkpoint $DB_ENV;
		3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
2332	};	3936	};
2333		3937
2334	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
2335	}	3939	}
2336		3940
		3941	sub post_cleanup {
		3942	my ($make_core) = @_;
		3943
		3944	IO::AIO::flush;
		3945
		3946	error Carp::longmess "post_cleanup backtrace"
		3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
		3976	}
		3977
2337	sub reload() {	3978	sub do_reload_perl() {
2338	# can/must only be called in main	3979	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
2340	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
2341	return;	3982	return;
2342	}	3983	}
2343		3984
2344	warn "reloading...";	3985	return if $RELOAD++;
2345		3986
2346	warn "cancelling server ticker";	3987	my $t1 = AE::time;
2347	$TICK_WATCHER->cancel;
2348		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
		3995	cf::sync_job {
2349	cf::emergency_save;	3996	#cf::emergency_save;
2350		3997
2351	eval {
2352	# if anything goes wrong in here, we should simply crash as we already saved
2353
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356
2357	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}
2361
2362	warn "flushing outstanding aio requests";
2363	for (;;) {
2364	IO::AIO::flush;
2365	Coro::cede;
2366	last unless IO::AIO::nreqs;
2367	warn "iterate...";
2368	}
2369
2370	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	4000	%EXT_CORO = ();
2373		4001
2374	warn "removing commands";	4002	trace "perl_reload: removing commands";
2375	%COMMAND = ();	4003	%COMMAND = ();
2376		4004
2377	warn "removing ext commands";	4005	trace "perl_reload: removing ext/exti commands";
2378	%EXTCMD = ();	4006	%EXTCMD = ();
		4007	%EXTICMD = ();
2379		4008
2380	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
2383		4012
2384	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
2385	eval {	4014	eval {
2386	$cb->($pkg);	4015	$cb->($pkg);
2387	1	4016	1
2388	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
2389	}	4022	}
2390		4023
2391	warn "... nuking $pkg";
2392	Symbol::delete_package $pkg;
2393	}
2394
2395	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2396	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398		4027
2399	warn "... unloading $k";	4028	trace "... unloading $k";
2400	delete $INC{$k};	4029	delete $INC{$k};
2401		4030
2402	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
2403	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
2404		4033
2405	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
2406	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
2407	}	4039	}
2408		4040
2409	Symbol::delete_package $k;
2410	}
2411
2412	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
2413	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2415		4044
2416	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
		4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2418		4048
2419	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
2420	# and global variables created in xs	4050	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
2422		4052
2423	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
2424		4054
2425	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
2426	require cf;	4056	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
2428		4058
2429	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
2430	cf::cfg_load;	4060	cf::reload_config;
2431	cf::db_load;
2432		4061
2433	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
2434	cf::load_extensions;	4063	cf::load_extensions;
2435		4064
		4065	if ($REATTACH_ON_RELOAD) {
2436	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
2437	_global_reattach;	4067	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
2439	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
		4070	trace "perl_reload: reattaching attachments to players";
		4071	reattach $_ for values %PLAYER;
		4072	}
2440		4073
2441	warn "restarting server ticker";	4074	cf::_post_init 1;
2442		4075
2443	$TICK_WATCHER->start;	4076	trace "perl_reload: leaving sync_job";
		4077
		4078	1
		4079	} or do {
		4080	error $@;
		4081	cf::cleanup "perl_reload: error, exiting.";
		4082	};
		4083
		4084	--$RELOAD;
		4085	}
		4086
		4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
		4089	};
		4090
		4091	our $RELOAD_WATCHER; # used only during reload
		4092
		4093	sub reload_perl() {
		4094	# doing reload synchronously and two reloads happen back-to-back,
		4095	# coro crashes during coro_state_free->destroy here.
		4096
		4097	$RELOAD_WATCHER ||= cf::async {
		4098	Coro::AIO::aio_wait cache_extensions;
		4099
		4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4101	do_reload_perl;
		4102	undef $RELOAD_WATCHER;
		4103	};
2444	};	4104	};
2445		4105	}
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451
2452	warn "reloaded";
2453	};
2454
2455	our $RELOAD_WATCHER; # used only during reload
2456		4106
2457	register_command "reload" => sub {	4107	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
2459		4109
2460	if ($who->flag (FLAG_WIZ)) {	4110	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	4111	$who->message ("reloading server.");
2462		4112	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	4113	$Coro::current->{desc} = "perl_reload";
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;	4114	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	4115	};
2475	}	4116	}
2476	};	4117	};
2477		4118
2478	unshift @INC, $LIBDIR;	4119	#############################################################################
2479		4120
2480	my $bug_warning = 0;	4121	my $bug_warning = 0;
2481		4122
2482	$TICK_WATCHER = Event->timer (	4123	sub wait_for_tick() {
2483	reentrant => 0,	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2484	parked => 1,	4125
2485	prio => 0,	4126	$WAIT_FOR_TICK->wait;
2486	at => $NEXT_TICK || $TICK,	4127	}
2487	data => WF_AUTOCANCEL,	4128
2488	cb => sub {	4129	sub wait_for_tick_begin() {
		4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4131
		4132	my $signal = new Coro::Signal;
		4133	push @WAIT_FOR_TICK_BEGIN, $signal;
		4134	$signal->wait;
		4135	}
		4136
		4137	sub tick {
2489	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
2492	return;	4141	return;
		4142	}
		4143
		4144	cf::one_tick; # one server iteration
		4145
		4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4147
		4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4150	Coro::async_pool {
		4151	$Coro::current->{desc} = "runtime saver";
		4152	write_runtime_sync
		4153	or error "ERROR: unable to write runtime file: $!";
2493	}	4154	};
		4155	}
2494		4156
2495	$NOW = Event::time;	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2496		4158	$sig->send;
2497	cf::server_tick; # one server iteration	4159	}
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500
2501	$WAIT_FOR_TICK->broadcast;	4160	$WAIT_FOR_TICK->broadcast;
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2503		4161
2504	Event::sweep;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
2505	Coro::cede_notself;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4164
		4165	if (0) {
		4166	if ($NEXT_TICK) {
		4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
2506		4170	}
2507	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#
2509
2510	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;
2515	},	4171	}
2516	);	4172	}
2517		4173
		4174	{
		4175	# configure BDB
		4176
		4177	BDB::min_parallel 16;
		4178	BDB::max_poll_reqs $TICK * 0.1;
		4179	$AnyEvent::BDB::WATCHER->priority (1);
		4180
		4181	unless ($DB_ENV) {
		4182	$DB_ENV = BDB::db_env_create;
		4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4188
		4189	cf::sync_job {
		4190	eval {
		4191	BDB::db_env_open
		4192	$DB_ENV,
		4193	$BDBDIR,
		4194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4196	0666;
		4197
		4198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4199	};
		4200
		4201	cf::cleanup "db_env_open(db): $@" if $@;
		4202	};
		4203	}
		4204
		4205	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4206	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4207	};
		4208	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4209	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4210	};
		4211	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4213	};
		4214	}
		4215
		4216	{
		4217	# configure IO::AIO
		4218
		4219	IO::AIO::min_parallel 8;
2518	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
		4221	undef $AnyEvent::AIO::WATCHER;
		4222	}
2519		4223
2520	undef $Coro::AIO::WATCHER;	4224	our $_log_backtrace;
2521	$AIO_POLL_WATCHER = Event->io (	4225	our $_log_backtrace_last;
2522	reentrant => 0,
2523	fd => IO::AIO::poll_fileno,
2524	poll => 'r',
2525	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,
2528	);
2529		4226
2530	$WRITE_RUNTIME_WATCHER = Event->timer (	4227	sub _log_backtrace {
2531	reentrant => 0,	4228	my ($msg, @addr) = @_;
2532	data => WF_AUTOCANCEL,	4229
2533	after => 1,	4230	$msg =~ s/\n$//;
2534	interval => 10,	4231
2535	prio => 6, # keep it lowest so it acts like a watchdog	4232	if ($_log_backtrace_last eq $msg) {
2536	cb => Coro::unblock_sub {	4233	LOG llevInfo, "[ABT] $msg\n";
2537	write_runtime	4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2538	or warn "ERROR: unable to write runtime file: $!";	4235	# limit the # of concurrent backtraces
		4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
		4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
		4240	async {
		4241	$Coro::current->{desc} = "abt $msg";
		4242
		4243	my @bt = fork_call {
		4244	@addr = map { sprintf "%x", $_ } @addr;
		4245	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4246	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4247	or die "addr2line: $!";
		4248
		4249	my @funcs;
		4250	my @res = <$fh>;
		4251	chomp for @res;
		4252	while (@res) {
		4253	my ($func, $line) = splice @res, 0, 2, ();
		4254	push @funcs, "[$func] $line";
		4255	}
		4256
		4257	@funcs
		4258	};
		4259
		4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4262	LOG llevInfo, "[ABT] $_\n" for @bt;
		4263	--$_log_backtrace;
		4264	};
		4265	} else {
		4266	LOG llevInfo, "[ABT] $msg\n";
		4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2539	},	4268	}
2540	);	4269	}
		4270
		4271	# load additional modules
		4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
2541		4274
2542	END { cf::emergency_save }	4275	END { cf::emergency_save }
2543		4276
2544	1	4277	1
2545		4278

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