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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	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
		99	our $DATADIR = datadir;
		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
49	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;
50	our $NOW;	138	our $NOW;
51		139
52	our %CFG;	140	our (%PLAYER, %PLAYER_LOADING); # all users
		141	our (%MAP, %MAP_LOADING ); # all maps
		142	our $LINK_MAP; # the special {link} map, which is always available
53		143
54	our $UPTIME; $UPTIME ||= time;	144	# used to convert map paths into valid unix filenames by replacing / by ∕
55	our $RUNTIME;	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		146
57	our %PLAYER; # all users	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
58	our %MAP; # all maps	148	our $LOADAVG; # same thing, but with alpha-smoothing
59	our $LINK_MAP; # the special {link} map	149	our $JITTER; # average jitter
60	our $RANDOM_MAPS = cf::localdir . "/random";	150	our $TICK_START; # for load detecting purposes
61		151
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	152	our @POST_INIT;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
64		159
65	binmode STDOUT;	160	binmode STDOUT;
66	binmode STDERR;	161	binmode STDERR;
67		162
68	# read virtual server time, if available	163	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
73	}	168	}
74		169
75	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		171
81	# a special map that is always available	172	mkdir $_
82	our $LINK_MAP;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		174
83	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
84		176
		177	sub cf::map::normalise;
		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
85	#############################################################################	183	#############################################################################
86		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
87	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
88		197
89	=over 4	198	=over 4
90		199
91	=item $cf::UPTIME	200	=item $cf::UPTIME
92		201
93	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.
94		218
95	=item $cf::RUNTIME	219	=item $cf::RUNTIME
96		220
97	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
98	every server tick.	222	every server tick.
99		223
100	=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
101		227
102	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		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
105	=item $cf::NOW	239	=item $cf::LOAD
106		240
107	The time of the last (current) server tick.	241	The raw value load value from the last tick.
108
109	=item $cf::TICK
110
111	The interval between server ticks, in seconds.
112		242
113	=item %cf::CFG	243	=item %cf::CFG
114		244
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	246	from wherever your confdir points to.
117		247
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		249
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
122	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
124		282
125	=back	283	=back
126		284
127	=cut	285	=cut
128		286
129	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
130	*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 {
131	my $msg = join "", @_;	294	my $msg = join "", @_;
132	utf8::encode $msg;
133		295
134	$msg .= "\n"	296	$msg .= "\n"
135	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
136		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
137	LOG llevError, $msg;	301	LOG llevWarn, $msg;
138	};	302	};
139	}	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	};
140		317
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		325
148	# 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
149	# within the Safe compartment.	327	# within the Safe compartment.
150	for my $pkg (qw(	328	for my $pkg (qw(
151	cf::global cf::attachable	329	cf::global cf::attachable
152	cf::object cf::object::player	330	cf::object cf::object::player
153	cf::client cf::player	331	cf::client cf::player
154	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
155	cf::map cf::party cf::region	334	cf::party cf::region
156	)) {	335	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	337	}
160		338
161	$Event::DIED = sub {	339	$EV::DIED = sub {
162	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
163	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
164		349
165	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
166		351
167	=over 4	352	=over 4
168		353
…		…
187	$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;
188	$d	373	$d
189	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
190	}	375	}
191		376
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
193		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
194	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
195		392
196	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
197		394
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
206		396
207	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
208		398
209	=cut	399	=cut
210		400
211	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
213	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	}
214	}	466	}
215		467
216	=item cf::lock_wait $string	468	=item cf::lock_wait $string
217		469
218	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
219		471
220	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
221		473
222	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
223	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,
224	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
225	returned.	477	returned.
226		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
227	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
228	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
229		484
230	=cut	485	=item $locked = cf::lock_active $string
231		486
232	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;
233		492
234	sub lock_wait($) {	493	sub lock_wait($) {
235	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	495	}
243		496
244	sub lock_acquire($) {	497	sub lock_acquire($) {
245	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
246		500
247	# wait, to be sure we are not locked	501	sub lock_active($) {
248	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	503	}
257		504
258	sub freeze_mainloop {	505	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
260		507
261	my $guard = Coro::guard { $TICK_WATCHER->start };	508	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	509	}
263	$guard	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	$busy = 0;
		576	Coro::schedule;
		577	}
		578	}
		579	};
		580
		581	sub get_slot($;$$) {
		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;
264	}	594	}
265		595
266	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
267		597
268	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		603
274	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
275		605
276	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
277		607
278	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
279	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
280	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.
281		612
282	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
283	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
284	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
285	fast or be very important.	616	fast or be very important.
…		…
287	=cut	618	=cut
288		619
289	sub sync_job(&) {	620	sub sync_job(&) {
290	my ($job) = @_;	621	my ($job) = @_;
291		622
292	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
293	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
295		628
296	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	630
298	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
299		632
300	my $busy = 1;	633	my $busy = 1;
301	my @res;	634	my @res;
302		635
303	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	638	@res = eval { $job->() };
305	warn $@ if $@;	639	error $@ if $@;
306	undef $busy;	640	undef $busy;
307	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
308		642
309	while ($busy) {	643	while ($busy) {
310	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
311	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
312		654
313	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
314	} else {	656	} else {
315	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
316		658
…		…
336	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
337		679
338	$coro	680	$coro
339	}	681	}
340		682
341	sub write_runtime {	683	=item fork_call { }, @args
342	my $runtime = cf::localdir . "/runtime";
343		684
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
345	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.
346		689
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	690	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		691
351	aio_fsync $fh	692	sub post_fork {
352	and return;	693	reset_signals;
		694	}
353		695
354	close $fh	696	sub fork_call(&@) {
355	or return;	697	my ($cb, @args) = @_;
356		698
357	aio_rename "$runtime~", $runtime	699	# we seemingly have to make a local copy of the whole thing,
358	and return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
359		702
		703	my @res = Coro::Util::fork_eval {
		704	cf::post_fork;
		705	&$cb
		706	} @args;
		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
360	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 });
361	}	886	}
362		887
363	=back	888	=back
364		889
365	=cut	890	=cut
366		891
367	#############################################################################	892	#############################################################################
368		893
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522
523	#############################################################################
524
525	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
526		895
527	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
528	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")
529	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
530		899
531	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>
532	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
533	crossfire+).	902	Deliantra).
534		903
535	=over 4	904	=over 4
536		905
537	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
538		907
…		…
582	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
583		952
584	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
585	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
586		955
587	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
588	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.
589		958
590	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
591		960
592	=over 4	961	=over 4
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	1021	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	1022	our @CB_MAP = ();
654		1023
655	my %attachment;	1024	my %attachment;
656		1025
		1026	sub cf::attachable::thawer_merge {
		1027	# simply override everything except _meta
		1028	local $_[0]{_meta};
		1029	%{$_[0]} = %{$_[1]};
		1030	}
		1031
657	sub _attach_cb($$$$) {	1032	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	1033	my ($registry, $event, $prio, $cb) = @_;
659		1034
660	use sort 'stable';	1035	use sort 'stable';
661		1036
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
696		1071
697	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		1076
702	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
704		1079
705	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
710		1085
711	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
712	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
713		1088
714	} elsif (ref $type) {	1089	} elsif (ref $type) {
715	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
716		1091
717	} else {	1092	} else {
718	shift @arg;	1093	shift @arg;
719	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
720	}	1095	}
721	}	1096	}
722	}	1097	}
723		1098
724	sub _object_attach {	1099	sub _object_attach {
…		…
734	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
735	}	1110	}
736		1111
737	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
738	} else {	1113	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
740	}	1115	}
741		1116
742	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
743	}	1118	}
744		1119
…		…
746	if (ref $_[0]) {	1121	if (ref $_[0]) {
747	_object_attach @_;	1122	_object_attach @_;
748	} else {	1123	} else {
749	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
750	}	1125	}
		1126	_recalc_want;
751	};	1127	};
752		1128
753	# all those should be optimised	1129	# all those should be optimised
754	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
759	reattach ($obj);	1135	reattach ($obj);
760	} else {	1136	} else {
761	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
762	}	1138	}
		1139	_recalc_want;
763	};	1140	};
764		1141
765	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
767		1144
…		…
782	";	1159	";
783	die if $@;	1160	die if $@;
784	}	1161	}
785		1162
786	our $override;	1163	our $override;
787	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?
788		1165
789	sub override {	1166	sub override {
790	$override = 1;	1167	$override = 1;
791	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
792	}	1169	}
793		1170
794	sub do_invoke {	1171	sub do_invoke {
795	my $event = shift;	1172	my $event = shift;
796	my $callbacks = shift;	1173	my $callbacks = shift;
797		1174
798	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
799		1176
800	local $override;	1177	local $override;
801		1178
802	for (@$callbacks) {	1179	for (@$callbacks) {
803	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
804		1181
805	if ($@) {	1182	if ($@) {
806	warn "$@";
807	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
808	override;	1184	override;
809	}	1185	}
810		1186
811	return 1 if $override;	1187	return 1 if $override;
812	}	1188	}
813		1189
814	0	1190	0
815	}	1191	}
816		1192
817	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
818		1194
819	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
820		1196
821	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
822		1198
823	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
824	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
825	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		1202
827	=back	1203	=back
828		1204
829	=cut	1205	=cut
830		1206
831	#############################################################################	1207	#############################################################################
832	# 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	}
833		1251
834	sub reattach {	1252	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	1254	my ($obj) = @_;
		1255
		1256	# no longer needed after getting rid of delete_package?
		1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		1258
838	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
839		1260
840	@$registry = ();	1261	@$registry = ();
841		1262
…		…
846	for (@$attach) {	1267	for (@$attach) {
847	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
848	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
849	}	1270	}
850	} else {	1271	} else {
851	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
852	}	1273	}
853	}	1274	}
854	}	1275	}
855		1276
856	cf::attachable->attach (	1277	cf::attachable->attach (
857	prio => -1000000,	1278	prio => -1000000,
858	on_instantiate => sub {	1279	on_instantiate => sub {
859	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
860		1281
861	$data = from_json $data;	1282	$data = decode_json $data;
862		1283
863	for (@$data) {	1284	for (@$data) {
864	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
865		1286
866	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
882	sub object_freezer_save {	1303	sub object_freezer_save {
883	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
884		1305
885	sync_job {	1306	sync_job {
886	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
887	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
888	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
889		1312
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
892	aio_write $fh, 0, (length $$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;
893	aio_fsync $fh;	1318	aio_fsync $fh;
		1319	}
894	close $fh;	1320	aio_close $fh;
895		1321
896	if (@$objs) {	1322	if (@$objs) {
897	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) {
898	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
900	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;
901	aio_fsync $fh;	1329	aio_fsync $fh;
		1330	}
902	close $fh;	1331	aio_close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
904	}	1333	}
905	} else {	1334	} else {
906	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
907	}	1336	}
908		1337
909	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
910	} else {	1342	} else {
911	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
912	}	1344	}
913	} else {	1345	} else {
914	aio_unlink $filename;	1346	aio_unlink $filename;
915	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
916	}	1348	}
917	}	1349	};
918	}	1350	}
919		1351
920	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
921	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
922		1354
…		…
934	or return;	1366	or return;
935		1367
936	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
937	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
938	or return;	1370	or return;
		1371
939	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
940	}	1374	}
941		1375
		1376	utf8::decode (my $decname = $filename);
942	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
944	return ($data, $av);	1381	($data, $av)
945	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
946		1389
947	#############################################################################	1390	#############################################################################
948	# command handling &c	1391	# command handling &c
949		1392
950	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1407	}
965		1408
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1410
968	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.
969		1416
970	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
971	called.	1418	called.
972		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
973	=cut	1431	=cut
974		1432
975	sub register_extcmd {	1433	sub register_extcmd {
976	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
977		1435
978	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
979	}	1437	}
980		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
981	cf::player->attach (	1447	cf::player->attach (
982	on_command => sub {	1448	on_unknown_command => sub {
983	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
984		1450
985	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
986	or return;	1452	or return;
987		1453
…		…
992	cf::override;	1458	cf::override;
993	},	1459	},
994	on_extcmd => sub {	1460	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
996		1462
997	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1464
999	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
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
1002	$pl->ext_reply ($msg->{msgid}, %reply);
1003	}
1004	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1005	} else {	1480	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1482	}
1008		1483
1009	cf::override;	1484	cf::override;
1010	},	1485	},
1011	);	1486	);
1012		1487
		1488	# "readahead" all extensions
1013	sub load_extension {	1489	sub cache_extensions {
1014	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
1015		1491
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1017	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
1018	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1019	$pkg =~ s/[^[:word:]]/_/g;	1495	}
1020	$pkg = "ext::$pkg";	1496	};
1021		1497
1022	warn "... loading '$path' into '$pkg'\n";	1498	$grp
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}	1499	}
1039		1500
1040	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
1041	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1508	next unless -r $path;
1043	eval {	1509
1044	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	}
1045	1	1573	}
1046	} 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	}
1047	}	1586	};
1048	}	1587	}
1049		1588
1050	#############################################################################	1589	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1590
1053	*cf::mapsupport::on_clean = sub {	1591	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1592
1066	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1067		1594
1068	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1069		1596
1070	=cut	1597	=cut
1071		1598
1072	package cf::player;	1599	package cf::player;
1073		1600
…		…
1075		1602
1076	=head3 cf::player	1603	=head3 cf::player
1077		1604
1078	=over 4	1605	=over 4
1079		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
1080	=item cf::player::find $login	1621	=item cf::player::find $login
1081		1622
1082	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1083		1624
1084	=cut	1625	=cut
1085		1626
1086	sub playerdir($) {	1627	sub playerdir($) {
1087	cf::localdir	1628	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1630	}
1093		1631
1094	sub path($) {	1632	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1634
1097	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
1098	}	1636	}
1099		1637
1100	sub find_active($) {	1638	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
1105		1643
1106	sub exists($) {	1644	sub exists($) {
1107	my ($login) = @_;	1645	my ($login) = @_;
1108		1646
1109	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1648	or !aio_stat path $login
1111	}	1649	}
1112		1650
1113	sub find($) {	1651	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1653	my $login = $_[0];
1116		1654
1117	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
1118		1656
1119	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
1120	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
1121	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;
1122	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1123	}	1674	}
1124	}	1675	}
1125	}	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	);
1126		1690
1127	sub save($) {	1691	sub save($) {
1128	my ($pl) = @_;	1692	my ($pl) = @_;
1129		1693
1130	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1135	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1136		1700
1137	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1138	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1139		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
1140	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1141	Coro::cede;	1710	cf::cede_to_tick;
1142	}	1711	}
1143		1712
1144	sub new($) {	1713	sub new($) {
1145	my ($login) = @_;	1714	my ($login) = @_;
1146		1715
…		…
1152	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1153		1722
1154	$self	1723	$self
1155	}	1724	}
1156		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
1157	=item $pl->quit_character	1736	=item $pl->quit_character
1158		1737
1159	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
1160	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1161		1740
1162	=cut	1741	=cut
1163		1742
1164	sub quit_character {	1743	sub quit_character {
1165	my ($pl) = @_;	1744	my ($pl) = @_;
1166		1745
		1746	my $name = $pl->ob->name;
		1747
1167	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1168	$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
1169		1750
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1171	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1172	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1173	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1174		1759
1175	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1179	$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
1180	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;
1181	}	1786	}
1182		1787
1183	=item cf::player::list_logins	1788	=item cf::player::list_logins
1184		1789
1185	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
1186	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1187		1792
1188	=cut	1793	=cut
1189		1794
1190	sub list_logins {	1795	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1797	or return [];
1193		1798
1194	my @logins;	1799	my @logins;
1195		1800
1196	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") {
1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1199	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1200		1811
1201	utf8::decode $login;	1812	utf8::decode $login;
1202	push @logins, $login;	1813	push @logins, $login;
1203	}	1814	}
1204		1815
1205	\@logins	1816	\@logins
1206	}	1817	}
1207		1818
1208	=item $player->maps	1819	=item $player->maps
1209		1820
		1821	=item cf::player::maps $login
		1822
1210	Returns an arrayref of cf::path's of all maps that are private for this	1823	Returns an arrayref of map paths that are private for this
1211	player. May block.	1824	player. May block.
1212		1825
1213	=cut	1826	=cut
1214		1827
1215	sub maps($) {	1828	sub maps($) {
1216	my ($pl) = @_;	1829	my ($pl) = @_;
		1830
		1831	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1832
1218	my $files = aio_readdir playerdir $pl	1833	my $files = aio_readdir playerdir $pl
1219	or return;	1834	or return;
1220		1835
1221	my @paths;	1836	my @paths;
…		…
1223	for (@$files) {	1838	for (@$files) {
1224	utf8::decode $_;	1839	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1840	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1841	next unless /^$PATH_SEP/o;
1227		1842
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1843	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1844	}
1230		1845
1231	\@paths	1846	\@paths
1232	}	1847	}
1233		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1235		1854
1236	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1237		1856
1238	=cut	1857	=cut
1239		1858
1240	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1242		1861
1243	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1863	}
1247		1864
1248	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		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	}
1249		1907
1250	=back	1908	=back
1251
1252		1909
1253	=head3 cf::map	1910	=head3 cf::map
1254		1911
1255	=over 4	1912	=over 4
1256		1913
…		…
1259	package cf::map;	1916	package cf::map;
1260		1917
1261	use Fcntl;	1918	use Fcntl;
1262	use Coro::AIO;	1919	use Coro::AIO;
1263		1920
		1921	use overload
		1922	'""' => \&as_string,
		1923	fallback => 1;
		1924
1264	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1266		1927
1267	sub generate_random_map {	1928	sub generate_random_map {
		1929	my ($self, $rmp) = @_;
		1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
		1933	$self->_create_random_map ($rmp);
		1934	}
		1935
		1936	=item cf::map->register ($regex, $prio)
		1937
		1938	Register a handler for the map path matching the given regex at the
		1939	givne priority (higher is better, built-in handlers have priority 0, the
		1940	default).
		1941
		1942	=cut
		1943
		1944	sub register {
		1945	my (undef, $regex, $prio) = @_;
		1946	my $pkg = caller;
		1947
		1948	push @{"$pkg\::ISA"}, __PACKAGE__;
		1949
		1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1951	}
		1952
		1953	# also paths starting with '/'
		1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1955
		1956	sub thawer_merge {
		1957	my ($self, $merge) = @_;
		1958
		1959	# we have to keep some variables in memory intact
		1960	local $self->{path};
		1961	local $self->{load_path};
		1962
		1963	$self->SUPER::thawer_merge ($merge);
		1964	}
		1965
		1966	sub normalise {
1268	my ($path, $rmp) = @_;	1967	my ($path, $base) = @_;
1269		1968
1270	# mit "rum" bekleckern, nicht	1969	$path = "$path"; # make sure it's a string
1271	cf::map::_create_random_map (	1970
		1971	$path =~ s/\.map$//;
		1972
		1973	# map plan:
		1974	#
		1975	# /! non-realised random map exit (special hack!)
		1976	# {... are special paths that are not being touched
		1977	# ?xxx/... are special absolute paths
		1978	# ?random/... random maps
		1979	# /... normal maps
		1980	# ~user/... per-player map of a specific user
		1981
		1982	$path =~ s/$PATH_SEP/\//go;
		1983
		1984	# treat it as relative path if it starts with
		1985	# something that looks reasonable
		1986	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1987	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1988
		1989	$base =~ s{[^/]+/?$}{};
		1990	$path = "$base/$path";
		1991	}
		1992
		1993	for ($path) {
		1994	redo if s{/\.?/}{/};
		1995	redo if s{/[^/]+/\.\./}{/};
		1996	}
		1997
1272	$path,	1998	$path
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1999	}
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	2000
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	2001	sub new_from_path {
1276	$rmp->{exit_on_final_map},	2002	my (undef, $path, $base) = @_;
1277	$rmp->{xsize}, $rmp->{ysize},	2003
1278	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	2004	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1279	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	2005
1280	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	2006	$path = normalise $path, $base;
1281	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	2007
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	2008	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	2009	if ($path =~ $EXT_MAP{$pkg}[1]) {
		2010	my $self = bless cf::map::new, $pkg;
		2011	$self->{path} = $path; $self->path ($path);
		2012	$self->init; # pass $1 etc.
		2013	return $self;
		2014	}
		2015	}
		2016
		2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1284	)	2018	()
1285	}	2019	}
1286		2020
1287	# and all this just because we cannot iterate over	2021	# may re-bless or do other evil things
1288	# all maps in C++...	2022	sub init {
1289	sub change_all_map_light {
1290	my ($change) = @_;	2023	my ($self) = @_;
1291		2024
1292	$_->change_map_light ($change)	2025	$self
1293	for grep $_->outdoor, values %cf::MAP;
1294	}	2026	}
1295		2027
		2028	sub as_string {
		2029	my ($self) = @_;
		2030
		2031	"$self->{path}"
		2032	}
		2033
		2034	# the displayed name, this is a one way mapping
		2035	sub visible_name {
		2036	&as_string
		2037	}
		2038
		2039	# the original (read-only) location
		2040	sub load_path {
		2041	my ($self) = @_;
		2042
		2043	"$MAPDIR/$self->{path}.map"
		2044	}
		2045
		2046	# the temporary/swap location
		2047	sub save_path {
		2048	my ($self) = @_;
		2049
		2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2051	"$TMPDIR/$path.map"
		2052	}
		2053
		2054	# the unique path, undef == no special unique path
		2055	sub uniq_path {
		2056	my ($self) = @_;
		2057
		2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2059	"$UNIQUEDIR/$path"
		2060	}
		2061
		2062	sub decay_objects {
		2063	my ($self) = @_;
		2064
		2065	return if $self->{deny_reset};
		2066
		2067	$self->do_decay_objects;
		2068	}
		2069
		2070	sub unlink_save {
		2071	my ($self) = @_;
		2072
		2073	utf8::encode (my $save = $self->save_path);
		2074	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2075	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2076	}
		2077
1296	sub load_map_header($) {	2078	sub load_header_from($) {
1297	my ($path) = @_;	2079	my ($self, $path) = @_;
1298		2080
1299	utf8::encode $path;	2081	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1301	or return;	2083	or return;
1302		2084
1303	my $map = cf::map::new	2085	$self->_load_header ($f)
1304	or return;	2086	or return;
1305		2087
1306	# for better error messages only, will be overwritten later	2088	local $MAP_LOADING{$self->{path}} = $self;
1307	$map->path ($path);	2089	$f->resolve_delayed_derefs;
1308		2090
1309	$map->load_header ($path)	2091	$self->{load_path} = $path;
		2092
		2093	1
		2094	}
		2095
		2096	# used to laod the header of an original map
		2097	sub load_header_orig {
		2098	my ($self) = @_;
		2099
		2100	$self->load_header_from ($self->load_path)
		2101	}
		2102
		2103	# used to laod the header of an instantiated map
		2104	sub load_header_temp {
		2105	my ($self) = @_;
		2106
		2107	$self->load_header_from ($self->save_path)
		2108	}
		2109
		2110	# called after loading the header from an instantiated map
		2111	sub prepare_temp {
		2112	my ($self) = @_;
		2113
		2114	$self->last_access ((delete $self->{last_access})
		2115	|| $cf::RUNTIME); #d#
		2116	# safety
		2117	$self->{instantiate_time} = $cf::RUNTIME
		2118	if $self->{instantiate_time} > $cf::RUNTIME;
		2119	}
		2120
		2121	# called after loading the header from an original map
		2122	sub prepare_orig {
		2123	my ($self) = @_;
		2124
		2125	$self->{load_original} = 1;
		2126	$self->{instantiate_time} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128	$self->instantiate;
		2129	}
		2130
		2131	sub load_header {
		2132	my ($self) = @_;
		2133
		2134	if ($self->load_header_temp) {
		2135	$self->prepare_temp;
		2136	} else {
		2137	$self->load_header_orig
1310	or return;	2138	or return;
		2139	$self->prepare_orig;
		2140	}
1311		2141
1312	$map->{load_path} = $path;	2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
1313		2144
1314	$map	2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
		2148	1
1315	}	2149	}
1316		2150
1317	sub find;	2151	sub find;
1318	sub find {	2152	sub find {
1319	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1320		2154
1321	#warn "find<$path,$origin>\n";#d#	2155	cf::cede_to_tick;
1322		2156
1323	$path = new cf::path $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1324	my $key = $path->as_string;
1325		2158
1326	cf::lock_wait "map_find:$key";	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1327
1328	$cf::MAP{$key} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1330		2161
1331	# do it the slow way	2162	$cf::MAP{$path} || do {
1332	my $map = $path->load_temp;	2163	my $map = new_from_path cf::map $path
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	2164	or return;
1345		2165
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1358		2167
1359	Coro::cede;	2168	$map->load_header
		2169	or return;
1360		2170
1361	if ($map->should_reset) {	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2172	# doing this can freeze the server in a sync job, obviously
		2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1362	$map->reset;	2176	$map->reset;
1363	undef $guard;
1364	$map = find $path	2177	return find $path;
1365	or return;
1366	}	2178	}
1367		2179
1368	$cf::MAP{$key} = $map	2180	$cf::MAP{$path} = $map
1369	}	2181	}
1370	}	2182	}
		2183
		2184	sub pre_load { }
		2185	#sub post_load { } # XS
1371		2186
1372	sub load {	2187	sub load {
1373	my ($self) = @_;	2188	my ($self) = @_;
1374		2189
		2190	local $self->{deny_reset} = 1; # loading can take a long time
		2191
1375	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2195	my $guard = cf::lock_acquire "map_data:$path";
1377		2196
1378	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1379		2199
1380	$self->in_memory (cf::MAP_LOADING);
1381
1382	$self->alloc;	2200	$self->alloc;
1383	$self->load_objects ($self->{load_path}, 1)	2201
		2202	$self->pre_load;
		2203	cf::cede_to_tick;
		2204
		2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1384	or return;	2209	or return;
1385		2210
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1387	if delete $self->{load_original};	2212	if delete $self->{load_original};
1388		2213
1389	if (my $uniq = $path->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	2215	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1392	$self->clear_unique_items;	2218	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1394	}	2223	}
1395	}
1396		2224
1397	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1398		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1399	# now do the right thing for maps	2234	# now do the right thing for maps
1400	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	2237	unless $self->difficulty;
1412	$self->activate;	2238	cf::cede_to_tick;
		2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
		2250	}
		2251
		2252	$self->post_load;
		2253
1413	}	2254	1
		2255	}
1414		2256
1415	Coro::cede;	2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
		2260	sub customise_for {
		2261	my ($self, $ob) = @_;
1416		2262
1417	$self->in_memory (cf::MAP_IN_MEMORY);	2263	return find "~" . $ob->name . "/" . $self->{path}
		2264	if $self->per_player;
		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
		2269	$self
1418	}	2270	}
1419		2271
1420	# find and load all maps in the 3x3 area around a map	2272	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	2273	sub load_neighbours {
1422	my ($map) = @_;	2274	my ($map) = @_;
1423		2275
1424	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1425		2277
1426	for (0 .. 3) {	2278	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1428	or next;	2280	or next;
1429	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1430	or next;	2282	or next;
1431	$neigh->load;	2283	$neigh->load;
1432		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	2289	}
1436		2290
1437	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1439	or next;	2294	or next;
1440	$neigh->load;	2295	$neigh->load;
1441	}	2296	}
1442	}	2297	}
1443		2298
1444	sub find_sync {	2299	sub find_sync {
1445	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1446		2301
1447	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1448	}	2307	}
1449		2308
1450	sub do_load_sync {	2309	sub do_load_sync {
1451	my ($map) = @_;	2310	my ($map) = @_;
1452		2311
1453	cf::sync_job { $map->load };	2312	# it's a bug to call this from the main context
		2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2314	if $Coro::current == $Coro::main;
		2315
		2316	$map->load;
1454	}	2317	}
1455		2318
1456	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
		2320	our $MAP_PREFETCHER = undef;
		2321
		2322	sub find_async {
		2323	my ($path, $origin, $load) = @_;
		2324
		2325	$path = normalise $path, $origin;
		2326
		2327	if (my $map = $cf::MAP{$path}) {
		2328	return $map if !$load || $map->linkable;
		2329	}
		2330
		2331	$MAP_PREFETCH{$path} |= $load;
		2332
1457	our $MAP_PREFETCHER = Coro::async {	2333	$MAP_PREFETCHER ||= cf::async {
1458	while () {	2334	$Coro::current->{desc} = "map prefetcher";
		2335
1459	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	or next;	2338	if (my $map = find $k) {
		2339	$map->load if $v;
		2340	}
		2341
1462	my $path = delete $MAP_PREFETCH{$key};	2342	delete $MAP_PREFETCH{$k};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}	2343	}
1468	Coro::schedule;	2344	}
		2345	undef $MAP_PREFETCHER;
1469	}	2346	};
1470	};
1471
1472	sub find_async {
1473	my ($path, $origin) = @_;
1474
1475	$path = new cf::path $path, $origin && $origin->path;
1476	my $key = $path->as_string;
1477
1478	if (my $map = $cf::MAP{$key}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}
1481
1482	$MAP_PREFETCH{$key} = $path;
1483	$MAP_PREFETCHER->ready;	2347	$MAP_PREFETCHER->prio (6);
1484		2348
1485	()	2349	()
		2350	}
		2351
		2352	# common code, used by both ->save and ->swapout
		2353	sub _save {
		2354	my ($self) = @_;
		2355
		2356	$self->{last_save} = $cf::RUNTIME;
		2357
		2358	return unless $self->dirty;
		2359
		2360	my $save = $self->save_path; utf8::encode $save;
		2361	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2362
		2363	$self->{load_path} = $save;
		2364
		2365	return if $self->{deny_save};
		2366
		2367	local $self->{last_access} = $self->last_access;#d#
		2368
		2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
		2371	$_->contr->save for $self->players;
		2372	};
		2373
		2374	cf::get_slot 0.02;
		2375
		2376	if ($uniq) {
		2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2379	} else {
		2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2381	}
1486	}	2382	}
1487		2383
1488	sub save {	2384	sub save {
1489	my ($self) = @_;	2385	my ($self) = @_;
1490		2386
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2388
1493	$self->{last_save} = $cf::RUNTIME;	2389	$self->_save;
1494
1495	return unless $self->dirty;
1496
1497	my $save = $self->{path}->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1499
1500	$self->{load_path} = $save;
1501
1502	return if $self->{deny_save};
1503
1504	local $self->{last_access} = $self->last_access;#d#
1505
1506	cf::async {
1507	$_->contr->save for $self->players;
1508	};
1509
1510	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}
1516	}	2390	}
1517		2391
1518	sub swap_out {	2392	sub swap_out {
1519	my ($self) = @_;	2393	my ($self) = @_;
1520		2394
1521	# save first because save cedes
1522	$self->save;
1523
1524	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1525		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1526	return if $self->players;	2399	return if $self->players;
1527	return if $self->in_memory != cf::MAP_IN_MEMORY;
1528	return if $self->{deny_save};
1529		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
1530	$self->clear;	2410	$self->clear;
1531	$self->in_memory (cf::MAP_SWAPPED);
1532	}	2411	}
1533		2412
1534	sub reset_at {	2413	sub reset_at {
1535	my ($self) = @_;	2414	my ($self) = @_;
1536		2415
1537	# TODO: safety, remove and allow resettable per-player maps	2416	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2417	return 1e99 if $self->{deny_reset};
1540		2418
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2420	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2421
…		…
1548	my ($self) = @_;	2426	my ($self) = @_;
1549		2427
1550	$self->reset_at <= $cf::RUNTIME	2428	$self->reset_at <= $cf::RUNTIME
1551	}	2429	}
1552		2430
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2431	sub reset {
1575	my ($self) = @_;	2432	my ($self) = @_;
1576		2433
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2435
1579	return if $self->players;	2436	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2437
1582	warn "resetting map ", $self->path;#d#	2438	cf::trace "resetting map ", $self->path, "\n";
		2439
		2440	$self->state (cf::MAP_SWAPPED);
		2441
		2442	# need to save uniques path
		2443	unless ($self->{deny_save}) {
		2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2445
		2446	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2447	if $uniq;
		2448	}
1583		2449
1584	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1585		2451
		2452	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2453	$_->clear_links_to ($self) for values %cf::MAP;
		2454	$self->clear;
1587		2455
1588	$self->unlink_save;	2456	$self->unlink_save;
1589	$self->destroy;	2457	$self->destroy;
1590	}	2458	}
1591		2459
1592	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1593		2461
1594	sub nuke {	2462	sub nuke {
1595	my ($self) = @_;	2463	my ($self) = @_;
1596		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
		2468	delete $cf::MAP{$self->path};
		2469
		2470	$self->unlink_save;
		2471
		2472	bless $self, "cf::map::wrap";
		2473	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2477
		2478	$cf::MAP{$self->path} = $self;
		2479	}
		2480
1600	$self->reset; # polite request, might not happen	2481	$self->reset; # polite request, might not happen
1601	}	2482	}
1602		2483
1603	sub customise_for {	2484	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2485
1606	if ($map->per_player) {	2486	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2487	maps. May block.
		2488
		2489	=cut
		2490
		2491	sub tmp_maps() {
1608	}	2492	[
		2493	map {
		2494	utf8::decode $_;
		2495	/\.map$/
		2496	? normalise $_
		2497	: ()
		2498	} @{ aio_readdir $TMPDIR or [] }
		2499	]
		2500	}
1609		2501
1610	$map	2502	=item $maps = cf::map::random_maps
		2503
		2504	Returns an arrayref with all map paths of currently instantiated and saved
		2505	random maps. May block.
		2506
		2507	=cut
		2508
		2509	sub random_maps() {
		2510	[
		2511	map {
		2512	utf8::decode $_;
		2513	/\.map$/
		2514	? normalise "?random/$_"
		2515	: ()
		2516	} @{ aio_readdir $RANDOMDIR or [] }
		2517	]
1611	}	2518	}
1612		2519
1613	=item cf::map::unique_maps	2520	=item cf::map::unique_maps
1614		2521
1615	Returns an arrayref of cf::path's of all shared maps that have	2522	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2523	instantiated unique items. May block.
1617		2524
1618	=cut	2525	=cut
1619		2526
1620	sub unique_maps() {	2527	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2528	[
1622	or return;	2529	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2530	utf8::decode $_;
1628	next if /\.pst$/;	2531	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2533	? ()
1631	push @paths, new cf::path $_;	2534	: normalise $_
		2535	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2536	]
1633
1634	\@paths
1635	}	2537	}
1636		2538
1637	package cf;	2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
		2560	s/\.map$// or next;
		2561	utf8::decode $_;
		2562	push @maps, "$dir/$_";
		2563	}
		2564
		2565	push @dirs, map "$dir/$_", @$dirs;
		2566	}
		2567
		2568	\@maps
		2569	}
1638		2570
1639	=back	2571	=back
1640		2572
1641	=head3 cf::object	2573	=head3 cf::object
1642		2574
…		…
1646		2578
1647	=over 4	2579	=over 4
1648		2580
1649	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
1650		2582
1651	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
1652		2585
1653	=cut	2586	=cut
1654		2587
1655	sub inv_recursive_;	2588	sub inv_recursive_;
1656	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
1659		2592
1660	sub inv_recursive {	2593	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
1662	}	2595	}
1663		2596
		2597	=item $ref = $ob->ref
		2598
		2599	Creates and returns a persistent reference to an object that can be stored as a string.
		2600
		2601	=item $ob = cf::object::deref ($refstring)
		2602
		2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2604	even if the object actually exists. May block.
		2605
		2606	=cut
		2607
		2608	sub deref {
		2609	my ($ref) = @_;
		2610
		2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2612	my ($uuid, $name) = ($1, $2);
		2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2614	or return;
		2615	$pl->ob->uuid eq $uuid
		2616	or return;
		2617
		2618	$pl->ob
		2619	} else {
		2620	warn "$ref: cannot resolve object reference\n";
		2621	undef
		2622	}
		2623	}
		2624
1664	package cf;	2625	package cf;
1665		2626
1666	=back	2627	=back
1667		2628
1668	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2635	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
1677		2638
1678	=cut	2639	=cut
		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
1679		2654
1680	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2656	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
1685		2660
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2661	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2662
1688	if ($self->{record_replies}) {	2663	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2664	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2665
1690	} else {	2666	} else {
		2667	my $pl = $self->contr;
		2668
		2669	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2670	my $dialog = $pl->{npc_dialog};
		2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2672
		2673	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2676	}
1693	}	2677	}
		2678	}
		2679
		2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2681
		2682	=cut
		2683
		2684	sub cf::object::send_msg {
		2685	my $pl = shift->contr
		2686	or return;
		2687	$pl->send_msg (@_);
1694	}	2688	}
1695		2689
1696	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
1697		2691
1698	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
1711		2705
1712	=item $player_object->enter_link	2706	=item $player_object->enter_link
1713		2707
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2709
1716	The player should be reaosnably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
		2714
		2715	Will never block.
1718		2716
1719	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
1720		2718
1721	Moves the player out of the specila link map onto the given map. If the	2719	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2720	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2721	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2722	fails, to the emergency map position.
1725		2723
1726	Might block.	2724	Might block.
1727		2725
1728	=cut	2726	=cut
		2727
		2728	sub link_map {
		2729	unless ($LINK_MAP) {
		2730	$LINK_MAP = cf::map::find "{link}"
		2731	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2732	$LINK_MAP->load;
		2733	}
		2734
		2735	$LINK_MAP
		2736	}
1729		2737
1730	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2739	my ($self) = @_;
1732		2740
1733	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
1734		2742
1735	return if $self->map == $LINK_MAP;	2743	++$self->{_link_recursion};
		2744
		2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2746
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2748	if $self->map && $self->map->{path} ne "{link}";
1739		2749
1740	$self->enter_map ($LINK_MAP, 20, 20);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1741	}	2751	}
1742		2752
1743	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
		2755
		2756	return unless $self->contr->active;
1745		2757
1746	my $link_pos = delete $self->{_link_pos};	2758	my $link_pos = delete $self->{_link_pos};
1747		2759
1748	unless ($map) {	2760	unless ($map) {
1749	# restore original map position	2761	# restore original map position
…		…
1760	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
1761	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
1762		2774
1763	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
1766		2778
1767	$map->load;	2779	$map->load;
1768	$map->load_diag;	2780	$map->load_neighbours;
1769		2781
1770	return unless $self->contr->active;	2782	return unless $self->contr->active;
		2783
		2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2785	if ($self->enter_map ($map, $x, $y)) {
		2786	# entering was successful
		2787	delete $self->{_link_recursion};
		2788	# only activate afterwards, to support waiting in hooks
1771	$self->activate_recursive;	2789	$self->activate_recursive;
1772	$self->enter_map ($map, $x, $y);
1773	}
1774
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},	2790	}
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2791
1789	# try to abort aborted map switching on player login :)	2792	}
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2793
1807	=item $player_object->goto ($path, $x, $y)	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1808		2795
		2796	Moves the player to the given map-path and coordinates by first freezing
		2797	her, loading and preparing them map, calling the provided $check callback
		2798	that has to return the map if sucecssful, and then unfreezes the player on
		2799	the new (success) or old (failed) map position. In either case, $done will
		2800	be called at the end of this process.
		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
		2804
1809	=cut	2805	=cut
		2806
		2807	our $GOTOGEN;
1810		2808
1811	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2811
1814	$path = new cf::path $path;	2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
		2817
		2818	# do generation counting so two concurrent goto's will be executed in-order
		2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2820
1816	$self->enter_link;	2821	$self->enter_link;
1817		2822
1818	(async {	2823	(async {
1819	my $map = cf::map::find $path->as_string;	2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
		2845	my $map = eval {
		2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2847
		2848	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2849	$map = $map->customise_for ($self);
1821		2850	$map = $check->($map, $x, $y, $self) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2851	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	}
1826		2854
		2855	$map
		2856	};
		2857
		2858	if ($@) {
		2859	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	LOG llevError | logBacktrace, Carp::longmess $@;
		2861	}
		2862
		2863	if ($gen == $self->{_goto_generation}) {
		2864	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
		2866	}
		2867
		2868	$done->($self) if $done;
1828	})->prio (1);	2869	})->prio (1);
1829	}	2870	}
1830		2871
1831	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
1832		2873
…		…
1834		2875
1835	sub parse_random_map_params {	2876	sub parse_random_map_params {
1836	my ($spec) = @_;	2877	my ($spec) = @_;
1837		2878
1838	my $rmp = { # defaults	2879	my $rmp = { # defaults
1839	xsize => 10,	2880	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2881	ysize => (cf::rndm 15, 40),
		2882	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2883	#layout => string,
1841	};	2884	};
1842		2885
1843	for (split /\n/, $spec) {	2886	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2887	my ($k, $v) = split /\s+/, $_, 2;
1845		2888
…		…
1857	# that depends on the exit object	2900	# that depends on the exit object
1858		2901
1859	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
1860		2903
1861	if ($exit->map) {	2904	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2905	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
1866	}	2911	}
1867		2912
1868	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
1869		2914
1870	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
		2917	my $meta = "$RANDOMDIR/$md5.meta";
1872		2918
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
		2921	undef $fh;
		2922	aio_rename "$meta~", $meta;
1875		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
1876	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
1878	}	2930	}
1879	}	2931	}
1880		2932
1881	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
…		…
1884	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
1885		2937
1886	$self->enter_link;	2938	$self->enter_link;
1887		2939
1888	(async {	2940	(async {
1889	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
1890	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
1891	prepare_random_map $exit	2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
1892	if $exit->slaying eq "/!";	2960	$map = $exit->slaying;
1893		2961
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2962	} elsif ($slaying eq '!up') {
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
1896		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
		2973	$self->goto ($map, $x, $y);
		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
1897	1;	2979	1
1898	}) {	2980	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
1900	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2985
1904	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
1905	$self->leave_link;	2987	$self->leave_link;
1906	}	2988	}
1907	})->prio (1);	2989	})->prio (1);
1908	}	2990	}
1909		2991
…		…
1920		3002
1921	sub cf::client::send_drawinfo {	3003	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	3004	my ($self, $text, $flags) = @_;
1923		3005
1924	utf8::encode $text;	3006	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	3008	}
1927		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
		3033	}
		3034
		3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3036
		3037	Send a drawinfo or msg packet to the client, formatting the msg for the
		3038	client if neccessary. C<$type> should be a string identifying the type of
		3039	the message, with C<log> being the default. If C<$color> is negative, suppress
		3040	the message unless the client supports the msg packet.
		3041
		3042	=cut
		3043
		3044	# non-persistent channels (usually the info channel)
		3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
		3052	"c/identify" => {
		3053	id => "infobox",
		3054	title => "Identify",
		3055	reply => undef,
		3056	tooltip => "Items recently identified",
		3057	},
		3058	"c/examine" => {
		3059	id => "infobox",
		3060	title => "Examine",
		3061	reply => undef,
		3062	tooltip => "Signs and other items you examined",
		3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
		3156	);
		3157
		3158	sub cf::client::send_msg {
		3159	my ($self, $channel, $msg, $color, @extra) = @_;
		3160
		3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
		3163
		3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3165
		3166	# check predefined channels, for the benefit of C
		3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
		3173	} elsif (ref $channel) {
		3174	# send meta info to client, if not yet sent
		3175	unless (exists $self->{channel}{$channel->{id}}) {
		3176	$self->{channel}{$channel->{id}} = $channel;
		3177	$self->ext_msg (channel_info => $channel);
		3178	}
		3179
		3180	$channel = $channel->{id};
		3181	}
		3182
		3183	return unless @extra || length $msg;
		3184
		3185	# default colour, mask it out
		3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3187	if $color & cf::NDI_DEF;
		3188
		3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
		3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3192	);
		3193
		3194	$self->send_big_packet ($pkt);
		3195	}
		3196
		3197	=item $client->ext_msg ($type, @msg)
		3198
		3199	Sends an ext event to the client.
		3200
		3201	=cut
		3202
		3203	sub cf::client::ext_msg($$@) {
		3204	my ($self, $type, @msg) = @_;
		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
		3209	push @msg, msgtype => "event_$type";
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		3221	my ($self, $id, @msg) = @_;
		3222
		3223	if ($self->extcmd == 2) {
		3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3225	} elsif ($self->extcmd == 1) {
		3226	#TODO: version 1, remove
		3227	unshift @msg, msgtype => "reply", msgid => $id;
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3229	}
		3230	}
1928		3231
1929	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
1930		3233
1931	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3235	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3236	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		3237
1935	Queries can fail, so check the return code. Or don't, as queries will become	3238	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	3239	become reliable at some point in the future.
1937		3240
1938	=cut	3241	=cut
1939		3242
1940	sub cf::client::query {	3243	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	3252	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		3254
1952	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
1954	}	3259	}
1955		3260
1956	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
1957	on_reply => sub {	3267	on_reply => sub {
1958	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
1959		3269
1960	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
1961	# get handled first	3271	# get handled first
1962	my $queue = delete $ns->{query_queue}	3272	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	3273	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		3274
1965	(shift @$queue)->[1]->($msg);	3275	(shift @$queue)->[1]->($msg);
		3276	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		3277
1967	push @{ $ns->{query_queue} }, @$queue;	3278	push @{ $ns->{query_queue} }, @$queue;
1968		3279
1969	if (@{ $ns->{query_queue} } == @$queue) {	3280	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	3281	if (@$queue) {
…		…
1972	} else {	3283	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	3285	}
1975	}	3286	}
1976	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($ns, $buf) = @_;
		3290
		3291	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3292
		3293	if (ref $msg) {
		3294	my ($type, $reply, @payload) =
		3295	"ARRAY" eq ref $msg
		3296	? @$msg
		3297	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
1977	);	3314	);
1978		3315
1979	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
1980		3317
1981	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
1997		3334
1998	$coro	3335	$coro
1999	}	3336	}
2000		3337
2001	cf::client->attach (	3338	cf::client->attach (
2002	on_destroy => sub {	3339	on_client_destroy => sub {
2003	my ($ns) = @_;	3340	my ($ns) = @_;
2004		3341
2005	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2006	},	3343	},
2007	);	3344	);
…		…
2022	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2024		3361
2025	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2026		3363
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2028		3369
2029	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2030		3371
2031	=pod	3372	=pod
2032		3373
2033	The following fucntions and emthods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2034		3375
2035	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2036	cf::object::player player	3381	cf::object::player
2037	cf::player peaceful	3382	player
2038	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2039		3389
2040	=cut	3390	=cut
2041		3391
2042	for (	3392	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2044	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2046	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2047	) {	3399	) {
2048	no strict 'refs';
2049	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2050	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2051	for @funs;	3402	for @funs;
2052	}	3403	}
2053		3404
…		…
2068		3419
2069	my $qcode = $code;	3420	my $qcode = $code;
2070	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2071	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2072		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2073	local $_;	3427	local $_;
2074	local @safe::cf::_safe_eval_args = values %vars;
2075		3428
2076	my $eval =	3429	my $eval =
2077	"do {\n"	3430	"do {\n"
2078	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2079	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2080	. $code	3433	. $code
2081	. "\n}"	3434	. "\n}"
2082	;	3435	;
2083		3436
		3437	if ($CFG{safe_eval}) {
2084	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2085	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2086	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2087		3446
2088	if ($@) {	3447	if ($@) {
2089	warn "$@";	3448	warn "$@",
2090	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2091	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2092	}	3451	}
2093		3452
2094	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2095	}	3454	}
2096		3455
…		…
2110	=cut	3469	=cut
2111		3470
2112	sub register_script_function {	3471	sub register_script_function {
2113	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2114		3473
2115	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2116	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2117	}	3476	}
2118		3477
2119	=back	3478	=back
2120		3479
2121	=cut	3480	=cut
2122		3481
2123	#############################################################################	3482	#############################################################################
		3483	# the server's init and main functions
2124		3484
2125	=head2 EXTENSION DATABASE SUPPORT	3485	sub load_facedata($) {
		3486	my ($path) = @_;
2126		3487
2127	Crossfire maintains a very simple database for extension use. It can	3488	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3489	# for this (global event?)
2129	excludes objects.	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3491
2131	The parameter C<$family> should best start with the name of the extension	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3493
2134	=over 4	3494	trace "loading facedata from $path\n";
2135		3495
2136	=item $hashref = cf::db_get $family	3496	my $facedata = decode_storable load_file $path;
2137		3497
2138	Return a hashref for use by the extension C<$family>, which can be	3498	$facedata->{version} == 2
2139	modified. After modifications, you have to call C<cf::db_dirty> or	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140	C<cf::db_sync>.
2141		3500
2142	=item $value = cf::db_get $family => $key	3501	# patch in the exptable
2143		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2144	Returns a single value from the database	3503	$facedata->{resource}{"res/exp_table"} = {
2145		3504	type => FT_RSRC,
2146	=item cf::db_put $family => $hashref	3505	data => $exp_table,
2147		3506	hash => (Digest::MD5::md5 $exp_table),
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3507	};
		3508	cf::cede_to_tick;
2197		3509
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3510	{
		3511	my $faces = $facedata->{faceinfo};
2202		3512
2203	sub db_get($;$) {	3513	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3515
2209	sub db_put($$;$) {	3516	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3517	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2212	} else {	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2213	$DB->{$_[0]} = $_[1];	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2214	}
2215	db_dirty;
2216	}
2217		3521
2218	cf::global->attach (	3522	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3523	}
2223	);
2224	}
2225		3524
2226	#############################################################################	3525	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3526	next unless $info->{smooth};
2228		3527
2229	sub cfg_load {	3528	my $idx = cf::face::find $face
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3529	or next;
2231	or return;
2232		3530
2233	local $/;	3531	if (my $smooth = cf::face::find $info->{smooth}) {
2234	*CFG = YAML::Syck::Load <$fh>;	3532	cf::face::set_smooth $idx, $smooth;
		3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3534	} else {
		3535	error "smooth face '$info->{smooth}' not found for face '$face'";
		3536	}
2235		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	{
		3543	my $anims = $facedata->{animinfo};
		3544
		3545	while (my ($anim, $info) = each %$anims) {
		3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3547	cf::cede_to_tick;
		3548	}
		3549
		3550	cf::anim::invalidate_all; # d'oh
		3551	}
		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
		3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3559
		3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3561	cf::face::set_type $idx, $info->{type};
		3562	} else {
		3563	$RESOURCE{$name} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3571
		3572	1
		3573	}
		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($ns, $want) = @_;
		3577
		3578	while (my ($k, $v) = each %$want) {
		3579	$ns->fx_want ($k, $v);
		3580	}
		3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
		3592
		3593	sub reload_regions {
		3594	# HACK to clear player env face cache, we need some signal framework
		3595	# for this (global event?)
		3596	%ext::player_env::MUSIC_FACE_CACHE = ();
		3597
		3598	load_resource_file "$MAPDIR/regions"
		3599	or die "unable to load regions file\n";
		3600
		3601	for (cf::region::list) {
		3602	$_->{match} = qr/$_->{match}/
		3603	if exists $_->{match};
		3604	}
		3605	}
		3606
		3607	sub reload_facedata {
		3608	load_facedata "$DATADIR/facedata"
		3609	or die "unable to load facedata\n";
		3610	}
		3611
		3612	sub reload_archetypes {
		3613	load_resource_file "$DATADIR/archetypes"
		3614	or die "unable to load archetypes\n";
		3615	}
		3616
		3617	sub reload_treasures {
		3618	load_resource_file "$DATADIR/treasures"
		3619	or die "unable to load treasurelists\n";
		3620	}
		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
		3642	sub reload_resources {
		3643	trace "reloading resource files...\n";
		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
		3650	reload_regions;
		3651	reload_treasures;
		3652
		3653	trace "finished reloading resource files\n";
		3654	}
		3655
		3656	sub reload_config {
		3657	trace "reloading config file...\n";
		3658
		3659	my $config = load_file "$CONFDIR/config";
		3660	utf8::decode $config;
		3661	*CFG = decode_yaml $config;
		3662
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2237		3664
2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2240		3667
2241	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2245	};	3672	};
2246	warn $@ if $@;	3673	warn $@ if $@;
2247	}	3674	}
2248	}	3675	}
2249		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
2250	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
2251	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3718	(async {
		3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
		3721	})->prio (Coro::PRIO_MAX);
2255	};	3722	};
2256		3723
2257	cfg_load;	3724	evthread_start IO::AIO::poll_fileno;
2258	db_load;	3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
		3736	reload_config;
		3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
2259	load_extensions;	3747	load_extensions;
2260	Event::loop;	3748
		3749	utime time, time, $RUNTIMEFILE;
		3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
2261	}	3767	}
2262		3768
2263	#############################################################################	3769	#############################################################################
2264	# initialisation and cleanup	3770	# initialisation and cleanup
2265		3771
2266	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2267	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2274	},
2275	);	3778	};
		3779	}
		3780	}
		3781
		3782	sub write_runtime_sync {
		3783	my $t0 = AE::time;
		3784
		3785	# first touch the runtime file to show we are still running:
		3786	# the fsync below can take a very very long time.
		3787
		3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3789
		3790	my $guard = cf::lock_acquire "write_runtime";
		3791
		3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3793	or return;
		3794
		3795	my $value = $cf::RUNTIME + 90 + 10;
		3796	# 10 is the runtime save interval, for a monotonic clock
		3797	# 60 allows for the watchdog to kill the server.
		3798
		3799	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3800	and return;
		3801
		3802	# always fsync - this file is important
		3803	aio_fsync $fh
		3804	and return;
		3805
		3806	# touch it again to show we are up-to-date
		3807	aio_utime $fh, undef, undef;
		3808
		3809	close $fh
		3810	or return;
		3811
		3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3813	and return;
		3814
		3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3816
2276	}	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
2277	}	3868	}
2278		3869
2279	sub emergency_save() {	3870	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2281		3872
2282	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
2283		3879
2284	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2285	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2289	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3891	$pl->save;
2293	}	3892	}
2294	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2295		3894
2296	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
2297	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2298	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3900	$map->valid or next;
2300	$map->save;	3901	$map->save;
2301	}	3902	}
2302	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
		3904
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
		3908	BDB::db_env_txn_checkpoint $DB_ENV;
		3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2303	};	3933	};
2304		3934
2305	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2306	}	3936	}
2307		3937
		3938	sub post_cleanup {
		3939	my ($make_core) = @_;
		3940
		3941	IO::AIO::flush;
		3942
		3943	error Carp::longmess "post_cleanup backtrace"
		3944	if $make_core;
		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
		3973	}
		3974
2308	sub reload() {	3975	sub do_reload_perl() {
2309	# can/must only be called in main	3976	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2311	warn "can only reload from main coroutine\n";	3978	error "can only reload from main coroutine";
2312	return;	3979	return;
2313	}	3980	}
2314		3981
2315	warn "reloading...";	3982	return if $RELOAD++;
2316		3983
2317	warn "freezing server";	3984	my $t1 = AE::time;
2318	my $guard = freeze_mainloop;	3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
		3992	cf::sync_job {
2319	cf::emergency_save;	3993	#cf::emergency_save;
2320		3994
2321	warn "sync database to disk";	3995	trace "perl_reload: cancelling all extension coros";
2322	cf::db_sync;
2323	IO::AIO::flush;
2324
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved
2327
2328	warn "cancel all watchers";
2329	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}
2332
2333	warn "cancel all extension coros";
2334	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3997	%EXT_CORO = ();
2336		3998
2337	warn "remove commands";	3999	trace "perl_reload: removing commands";
2338	%COMMAND = ();	4000	%COMMAND = ();
2339		4001
2340	warn "remove ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2341	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2342		4005
2343	warn "unload/nuke all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2346		4009
2347	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2348	eval {	4011	eval {
2349	$cb->($pkg);	4012	$cb->($pkg);
2350	1	4013	1
2351	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
2352	}	4019	}
2353		4020
2354	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;
2356	}
2357
2358	warn "unload all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		4024
2362	warn "removing <$k>";	4025	trace "... unloading $k";
2363	delete $INC{$k};	4026	delete $INC{$k};
2364		4027
2365	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2367		4030
2368	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2369	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2370	}	4036	}
2371		4037
2372	Symbol::delete_package $k;
2373	}
2374
2375	warn "get rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		4041
2379	warn "unload cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
		4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2381		4045
2382	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2383	# and global variables created in xs	4047	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2385		4049
2386	warn "reloading cf.pm";	4050	info "perl_reload: unload completed, starting to reload now";
		4051
		4052	trace "perl_reload: reloading cf.pm";
2387	require cf;	4053	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2389		4055
2390	warn "load config and database again";	4056	trace "perl_reload: loading config and database again";
2391	cf::cfg_load;	4057	cf::reload_config;
2392	cf::db_load;
2393		4058
2394	warn "load extensions";	4059	trace "perl_reload: loading extensions";
2395	cf::load_extensions;	4060	cf::load_extensions;
2396		4061
		4062	if ($REATTACH_ON_RELOAD) {
2397	warn "reattach attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2398	_global_reattach;	4064	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2400	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
		4067	trace "perl_reload: reattaching attachments to players";
		4068	reattach $_ for values %PLAYER;
		4069	}
		4070
		4071	cf::_post_init 1;
		4072
		4073	trace "perl_reload: leaving sync_job";
		4074
		4075	1
		4076	} or do {
		4077	error $@;
		4078	cf::cleanup "perl_reload: error, exiting.";
		4079	};
		4080
		4081	--$RELOAD;
		4082	}
		4083
		4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
		4086	};
		4087
		4088	our $RELOAD_WATCHER; # used only during reload
		4089
		4090	sub reload_perl() {
		4091	# doing reload synchronously and two reloads happen back-to-back,
		4092	# coro crashes during coro_state_free->destroy here.
		4093
		4094	$RELOAD_WATCHER ||= cf::async {
		4095	Coro::AIO::aio_wait cache_extensions;
		4096
		4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4098	do_reload_perl;
		4099	undef $RELOAD_WATCHER;
		4100	};
2401	};	4101	};
2402
2403	if ($@) {
2404	warn $@;
2405	warn "error while reloading, exiting.";
2406	exit 1;
2407	}
2408
2409	warn "reloaded";
2410	};
2411
2412	#############################################################################
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	4102	}
2454		4103
2455	register_command "reload" => sub {	4104	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2457		4106
2458	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	4108	$who->message ("reloading server.");
		4109	async {
		4110	$Coro::current->{desc} = "perl_reload";
		4111	reload_perl;
		4112	};
2462	}	4113	}
2463	};	4114	};
2464		4115
2465	unshift @INC, $LIBDIR;	4116	#############################################################################
2466		4117
2467	$TICK_WATCHER = Event->timer (	4118	my $bug_warning = 0;
2468	reentrant => 0,
2469	prio => 0,
2470	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,
2472	cb => sub {
2473	$NOW = Event::time;
2474		4119
2475	cf::server_tick; # one server iteration	4120	sub wait_for_tick() {
2476	$RUNTIME += $TICK;	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2477	$NEXT_TICK += $TICK;
2478		4122
		4123	$WAIT_FOR_TICK->wait;
		4124	}
		4125
		4126	sub wait_for_tick_begin() {
		4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4128
		4129	my $signal = new Coro::Signal;
		4130	push @WAIT_FOR_TICK_BEGIN, $signal;
		4131	$signal->wait;
		4132	}
		4133
		4134	sub tick {
		4135	if ($Coro::current != $Coro::main) {
		4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4137	unless ++$bug_warning > 10;
		4138	return;
		4139	}
		4140
		4141	cf::one_tick; # one server iteration
		4142
		4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4144
		4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4147	Coro::async_pool {
		4148	$Coro::current->{desc} = "runtime saver";
		4149	write_runtime_sync
		4150	or error "ERROR: unable to write runtime file: $!";
		4151	};
		4152	}
		4153
		4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4155	$sig->send;
		4156	}
2479	$WAIT_FOR_TICK->broadcast;	4157	$WAIT_FOR_TICK->broadcast;
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2481		4158
2482	# if we are delayed by four ticks or more, skip them all	4159	$LOAD = ($NOW - $TICK_START) / $TICK;
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2484		4161
2485	$TICK_WATCHER->at ($NEXT_TICK);	4162	if (0) {
2486	$TICK_WATCHER->start;	4163	if ($NEXT_TICK) {
		4164	my $jitter = $TICK_START - $NEXT_TICK;
		4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4166	debug "jitter $JITTER\n";#d#
		4167	}
2487	},	4168	}
2488	);	4169	}
2489		4170
		4171	{
		4172	# configure BDB
		4173
		4174	BDB::min_parallel 16;
		4175	BDB::max_poll_reqs $TICK * 0.1;
		4176	$AnyEvent::BDB::WATCHER->priority (1);
		4177
		4178	unless ($DB_ENV) {
		4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4185
		4186	cf::sync_job {
		4187	eval {
		4188	BDB::db_env_open
		4189	$DB_ENV,
		4190	$BDBDIR,
		4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4193	0666;
		4194
		4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4196	};
		4197
		4198	cf::cleanup "db_env_open(db): $@" if $@;
		4199	};
		4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
		4211	}
		4212
		4213	{
		4214	# configure IO::AIO
		4215
		4216	IO::AIO::min_parallel 8;
2490	IO::AIO::max_poll_time $TICK * 0.2;	4217	IO::AIO::max_poll_time $TICK * 0.1;
		4218	undef $AnyEvent::AIO::WATCHER;
		4219	}
2491		4220
2492	Event->io (	4221	our $_log_backtrace;
2493	fd => IO::AIO::poll_fileno,	4222	our $_log_backtrace_last;
2494	poll => 'r',
2495	prio => 5,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499		4223
2500	Event->timer (	4224	sub _log_backtrace {
2501	data => WF_AUTOCANCEL,	4225	my ($msg, @addr) = @_;
2502	after => 0,	4226
2503	interval => 10,	4227	$msg =~ s/\n$//;
2504	cb => sub {	4228
2505	(Coro::unblock_sub {	4229	if ($_log_backtrace_last eq $msg) {
2506	write_runtime	4230	LOG llevInfo, "[ABT] $msg\n";
2507	or warn "ERROR: unable to write runtime file: $!";	4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4232	# limit the # of concurrent backtraces
		4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
		4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
		4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
		4240	my @bt = fork_call {
		4241	@addr = map { sprintf "%x", $_ } @addr;
		4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4244	or die "addr2line: $!";
		4245
		4246	my @funcs;
		4247	my @res = <$fh>;
		4248	chomp for @res;
		4249	while (@res) {
		4250	my ($func, $line) = splice @res, 0, 2, ();
		4251	push @funcs, "[$func] $line";
		4252	}
		4253
		4254	@funcs
		4255	};
		4256
		4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4259	LOG llevInfo, "[ABT] $_\n" for @bt;
		4260	--$_log_backtrace;
2508	})->();	4261	};
		4262	} else {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2509	},	4265	}
2510	);	4266	}
		4267
		4268	# load additional modules
		4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
2511		4271
2512	END { cf::emergency_save }	4272	END { cf::emergency_save }
2513		4273
2514	1	4274	1
2515		4275

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