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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.533 by root, Thu Apr 29 07:59:17 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	121	our $NEXT_TICK;
45	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
46		130
47	our %CFG;	131	our %CFG;
48		132
49	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
51		136
52	our %MAP; # all maps	137	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	138	our (%MAP, %MAP_LOADING ); # all maps
54	our $RANDOM_MAPS = cf::localdir . "/random";	139	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	140
		141	# used to convert map paths into valid unix filenames by replacing / by ∕
		142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
56		153
57	binmode STDOUT;	154	binmode STDOUT;
58	binmode STDERR;	155	binmode STDERR;
59		156
60	# read virtual server time, if available	157	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
62	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
63	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
64	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
65	}	162	}
66		163
67	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
68	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		165
73	# a special map that is always available	166	mkdir $_
74	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
75	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
76		187
77	#############################################################################	188	#############################################################################
78		189
79	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
80		191
…		…
87	=item $cf::RUNTIME	198	=item $cf::RUNTIME
88		199
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	201	every server tick.
91		202
92	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		206
94	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
96		211
97	=item $cf::NOW	212	=item $cf::NOW
98		213
99	The time of the last (current) server tick.	214	The time of the last (current) server tick.
100		215
101	=item $cf::TICK	216	=item $cf::TICK
102		217
103	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
104		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
105	=item %cf::CFG	230	=item %cf::CFG
106		231
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
108	from wherever your confdir points to.	233	from wherever your confdir points to.
109		234
		235	=item cf::wait_for_tick, cf::wait_for_tick_begin
		236
		237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		238	returns directly I<after> the tick processing (and consequently, can only wake one process
		239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
110	=back	253	=back
111		254
112	=cut	255	=cut
113		256
114	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
115	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
116	my $msg = join "", @_;	264	my $msg = join "", @_;
117	utf8::encode $msg;
118		265
119	$msg .= "\n"	266	$msg .= "\n"
120	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
121		268
122	LOG llevError, "cfperl: $msg";	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
123	};	270
124	}	271	LOG llevWarn, $msg;
		272	};
		273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
125		287
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		295
133	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	297	# within the Safe compartment.
135	for my $pkg (qw(	298	for my $pkg (qw(
136	cf::global cf::attachable	299	cf::global cf::attachable
137	cf::object cf::object::player	300	cf::object cf::object::player
138	cf::client cf::player	301	cf::client cf::player
139	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
140	cf::map cf::party cf::region	304	cf::party cf::region
141	)) {	305	)) {
142	no strict 'refs';
143	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
144	}	307	}
145		308
146	$Event::DIED = sub {	309	$EV::DIED = sub {
147	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
148	};	311	};
149		312
150	my %ext_pkg;	313	#############################################################################
151	my @exts;
152	my @hook;
153		314
154	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
155		316
156	=over 4	317	=over 4
157		318
158	=cut	319	=item dumpval $ref
159		320
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	321	=cut
161		322
		323	sub dumpval {
		324	eval {
		325	local $SIG{__DIE__};
		326	my $d;
		327	if (1) {
		328	$d = new Data::Dumper([$_[0]], ["*var"]);
		329	$d->Terse(1);
		330	$d->Indent(2);
		331	$d->Quotekeys(0);
		332	$d->Useqq(1);
		333	#$d->Bless(...);
		334	$d->Seen($_[1]) if @_ > 1;
		335	$d = $d->Dump();
		336	}
		337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		338	$d
		339	} || "[unable to dump $_[0]: '$@']";
		340	}
		341
162	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
163		343
164	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
165		345
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
174		347
175	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
176		349
177	=cut	350	=cut
178		351
179	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
181	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
182	}	369	}
183		370
184	=item cf::lock_wait $string	371	=item cf::lock_wait $string
185		372
186	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
187		374
188	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
189		376
190	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
192	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
193	returned.	380	returned.
194		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
195	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
197		387
198	=cut	388	=item $locked = cf::lock_active $string
199		389
200	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
201		395
202	sub lock_wait($) {	396	sub lock_wait($) {
203	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
204
205	# wait for lock, if any
206	while ($LOCK{$key}) {
207	push @{ $LOCK{$key} }, $Coro::current;
208	Coro::schedule;
209	}
210	}	398	}
211		399
212	sub lock_acquire($) {	400	sub lock_acquire($) {
213	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
214		403
215	# wait, to be sure we are not locked	404	sub lock_active($) {
216	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
		406	}
217		407
218	$LOCK{$key} = [];	408	sub freeze_mainloop {
		409	tick_inhibit_inc;
219		410
220	Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
221	# wake up all waiters, to be on the safe side	412	}
222	$_->ready for @{ delete $LOCK{$key} };	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
223	}	478	}
		479	};
		480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
224	}	494	}
225		495
226	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
227		497
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	498	Currently the same as Coro::async_pool, meaning you cannot use
229	error instead of exiting the server in case of a problem.	499	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		500	thing you are allowed to do is call C<prio> on it.
230		501
231	=cut	502	=cut
232		503
233	sub async(&) {	504	BEGIN { *async = \&Coro::async_pool }
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;
244
245	my $guard = Coro::guard { $TICK_WATCHER->start };
246	$TICK_WATCHER->stop;
247	$guard
248	}
249		505
250	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
251		507
252	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
255		512
256	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
259	fast or be very important.	516	fast or be very important.
…		…
262		519
263	sub sync_job(&) {	520	sub sync_job(&) {
264	my ($job) = @_;	521	my ($job) = @_;
265		522
266	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
		524	my $time = AE::time;
		525
267	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
269		528
270	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
271	# (but this is cancel-safe)	530
272	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
273		532
274	my $busy = 1;	533	my $busy = 1;
275	my @res;	534	my @res;
276		535
277	(Coro::async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
278	@res = eval { $job->() };	538	@res = eval { $job->() };
279	warn $@ if $@;	539	error $@ if $@;
280	undef $busy;	540	undef $busy;
281	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
282		542
283	while ($busy) {	543	while ($busy) {
		544	if (Coro::nready) {
284	Coro::cede_notself;	545	Coro::cede_notself;
285	Event::one_event unless Coro::nready;	546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
286	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
287		554
288	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
289	} else {	556	} else {
290	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
291		558
292	$job->()	559	$job->()
293	}	560	}
294	}	561	}
295		562
296	=item $coro = cf::coro { BLOCK }	563	=item $coro = cf::async_ext { BLOCK }
297		564
298	Creates and returns a new coro. This coro is automcatially being canceled	565	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	566	extension calling this is being unloaded.
300		567
301	=cut	568	=cut
302		569
303	sub coro(&) {	570	sub async_ext(&) {
304	my $cb = shift;	571	my $cb = shift;
305		572
306	my $coro = &cf::async ($cb);	573	my $coro = &Coro::async ($cb);
307		574
308	$coro->on_destroy (sub {	575	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	576	delete $EXT_CORO{$coro+0};
310	});	577	});
311	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
312		579
313	$coro	580	$coro
314	}	581	}
315		582
316	sub write_runtime {	583	=item fork_call { }, $args
317	my $runtime = cf::localdir . "/runtime";
318		584
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
320	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
321		589
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	590	=cut
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;
325		591
326	aio_fsync $fh	592	sub fork_call(&@) {
327	and return;	593	my ($cb, @args) = @_;
328		594
329	close $fh	595	# we seemingly have to make a local copy of the whole thing,
330	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
331		598
332	aio_rename "$runtime~", $runtime	599	my @res = Coro::Util::fork_eval {
333	and return;	600	reset_signals;
		601	&$cb
		602	}, @args;
334		603
		604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
335	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
		677
		678	our $DB;
		679
		680	sub db_init {
		681	cf::sync_job {
		682	$DB ||= db_table "db";
		683	};
		684	}
		685
		686	sub db_get($$) {
		687	my $key = "$_[0]/$_[1]";
		688
		689	cf::sync_job {
		690	BDB::db_get $DB, undef, $key, my $data;
		691
		692	$! ? ()
		693	: $data
		694	}
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
336	}	781	}
337		782
338	=back	783	=back
339		784
340	=cut	785	=cut
341		786
342	#############################################################################	787	#############################################################################
343		788
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461
462	#############################################################################
463
464	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
465		790
466	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
467	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
468	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
469		794
470	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
471	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
472	crossfire+).	797	Deliantra).
473		798
474	=over 4	799	=over 4
475		800
476	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
477		802
…		…
521	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
522		847
523	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
524	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
525		850
526	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
527	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
528		853
529	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
530		855
531	=over 4	856	=over 4
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	916	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	917	our @CB_MAP = ();
593		918
594	my %attachment;	919	my %attachment;
595		920
		921	sub cf::attachable::thawer_merge {
		922	# simply override everything except _meta
		923	local $_[0]{_meta};
		924	%{$_[0]} = %{$_[1]};
		925	}
		926
596	sub _attach_cb($$$$) {	927	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	928	my ($registry, $event, $prio, $cb) = @_;
598		929
599	use sort 'stable';	930	use sort 'stable';
600		931
…		…
634	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
635		966
636	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
637	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
638	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
639	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
640		971
641	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
642	my $pkg = shift @arg;	973	my $pkg = shift @arg;
643		974
644	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
649		980
650	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
651	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
652		983
653	} elsif (ref $type) {	984	} elsif (ref $type) {
654	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
655		986
656	} else {	987	} else {
657	shift @arg;	988	shift @arg;
658	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
659	}	990	}
660	}	991	}
661	}	992	}
662		993
663	sub _object_attach {	994	sub _object_attach {
…		…
673	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
674	}	1005	}
675		1006
676	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
677	} else {	1008	} else {
678	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
679	}	1010	}
680		1011
681	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
682	}	1013	}
683		1014
…		…
685	if (ref $_[0]) {	1016	if (ref $_[0]) {
686	_object_attach @_;	1017	_object_attach @_;
687	} else {	1018	} else {
688	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
689	}	1020	}
		1021	_recalc_want;
690	};	1022	};
691		1023
692	# all those should be optimised	1024	# all those should be optimised
693	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
694	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
697	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
698	reattach ($obj);	1030	reattach ($obj);
699	} else {	1031	} else {
700	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
701	}	1033	}
		1034	_recalc_want;
702	};	1035	};
703		1036
704	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
705	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
706		1039
…		…
721	";	1054	";
722	die if $@;	1055	die if $@;
723	}	1056	}
724		1057
725	our $override;	1058	our $override;
726	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
727		1060
728	sub override {	1061	sub override {
729	$override = 1;	1062	$override = 1;
730	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
731	}	1064	}
732		1065
733	sub do_invoke {	1066	sub do_invoke {
734	my $event = shift;	1067	my $event = shift;
735	my $callbacks = shift;	1068	my $callbacks = shift;
736		1069
737	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
738		1071
739	local $override;	1072	local $override;
740		1073
741	for (@$callbacks) {	1074	for (@$callbacks) {
742	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
743		1076
744	if ($@) {	1077	if ($@) {
745	warn "$@";
746	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
747	override;	1079	override;
748	}	1080	}
749		1081
750	return 1 if $override;	1082	return 1 if $override;
751	}	1083	}
752		1084
753	0	1085	0
754	}	1086	}
755		1087
756	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
757		1089
758	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
759		1091
760	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
761		1093
762	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
763	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
764	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
765		1097
766	=back	1098	=back
767		1099
768	=cut	1100	=cut
769		1101
770	#############################################################################	1102	#############################################################################
771	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
772		1146
773	sub reattach {	1147	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	1149	my ($obj) = @_;
		1150
		1151	# no longer needed after getting rid of delete_package?
		1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		1153
777	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
778		1155
779	@$registry = ();	1156	@$registry = ();
780		1157
…		…
785	for (@$attach) {	1162	for (@$attach) {
786	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
787	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
788	}	1165	}
789	} else {	1166	} else {
790	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
791	}	1168	}
792	}	1169	}
793	}	1170	}
794		1171
795	cf::attachable->attach (	1172	cf::attachable->attach (
796	prio => -1000000,	1173	prio => -1000000,
797	on_instantiate => sub {	1174	on_instantiate => sub {
798	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
799		1176
800	$data = from_json $data;	1177	$data = decode_json $data;
801		1178
802	for (@$data) {	1179	for (@$data) {
803	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
804		1181
805	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
821	sub object_freezer_save {	1198	sub object_freezer_save {
822	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
823		1200
824	sync_job {	1201	sync_job {
825	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
826	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
827	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
828		1207
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1211	if ($cf::USE_FSYNC) {
		1212	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;
832	aio_fsync $fh;	1213	aio_fsync $fh;
		1214	}
833	close $fh;	1215	aio_close $fh;
834		1216
835	if (@$objs) {	1217	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
		1222	if ($cf::USE_FSYNC) {
		1223	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;
840	aio_fsync $fh;	1224	aio_fsync $fh;
		1225	}
841	close $fh;	1226	aio_close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
843	}	1228	}
844	} else {	1229	} else {
845	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
846	}	1231	}
847		1232
848	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
849	} else {	1237	} else {
850	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
851	}	1239	}
852	} else {	1240	} else {
853	aio_unlink $filename;	1241	aio_unlink $filename;
854	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
855	}	1243	}
856	}	1244	};
857	}	1245	}
858		1246
859	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
860	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
861		1249
…		…
873	or return;	1261	or return;
874		1262
875	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
876	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
877	or return;	1265	or return;
		1266
878	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
879	}	1269	}
880		1270
		1271	utf8::decode (my $decname = $filename);
881	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
882	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
883	return ($data, $av);	1276	($data, $av)
884	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
885		1284
886	#############################################################################	1285	#############################################################################
887	# command handling &c	1286	# command handling &c
888		1287
889	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
902	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
903	}	1302	}
904		1303
905	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
906		1305
907	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
908		1311
909	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
910	called.	1313	called.
911		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
912	=cut	1326	=cut
913		1327
914	sub register_extcmd {	1328	sub register_extcmd {
915	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
916		1330
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	1331	$EXTCMD{$name} = $cb;
921	}	1332	}
		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
922		1341
923	cf::player->attach (	1342	cf::player->attach (
924	on_command => sub {	1343	on_unknown_command => sub {
925	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
926		1345
927	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
928	or return;	1347	or return;
929		1348
…		…
934	cf::override;	1353	cf::override;
935	},	1354	},
936	on_extcmd => sub {	1355	on_extcmd => sub {
937	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
938		1357
939	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
940		1359
941	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
944	$pl->ext_reply ($msg->{msgid}, %reply);
945	}
946	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
947	} else {	1375	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
949	}	1377	}
950		1378
951	cf::override;	1379	cf::override;
952	},	1380	},
953	);	1381	);
954		1382
955	sub register {	1383	# "readahead" all extensions
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	1384	sub cache_extensions {
962	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
963		1386
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
965	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
966	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
967	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";
969
970	warn "loading '$path' into '$pkg'\n";
971
972	open my $fh, "<:utf8", $path
973	or die "$path: $!";
974
975	my $source =
976	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })
979	. "\n};\n1";
980
981	eval $source
982	or die $@ ? "$path: $@\n"
983	: "extension disabled.\n";
984
985	push @exts, $pkg;
986	$ext_pkg{$base} = $pkg;
987
988	# no strict 'refs';
989	# @{"$pkg\::ISA"} = ext::;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }
1004
1005	# remove commands
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}	1390	}
1014	}	1391	};
1015		1392
1016	# remove extcmds	1393	$grp
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	1394	}
1030		1395
1031	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
1032	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	1403	next unless -r $path;
1034	eval {	1404
1035	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
1036	1	1468	}
1037	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
1038	}	1479	};
1039	}	1480	}
1040		1481
1041	#############################################################################	1482	#############################################################################
1042	# load/save/clean perl data associated with a map
1043		1483
1044	*cf::mapsupport::on_clean = sub {	1484	=back
		1485
		1486	=head2 CORE EXTENSIONS
		1487
		1488	Functions and methods that extend core deliantra objects.
		1489
		1490	=cut
		1491
		1492	package cf::player;
		1493
		1494	use Coro::AIO;
		1495
		1496	=head3 cf::player
		1497
		1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
		1513
		1514	=item cf::player::find $login
		1515
		1516	Returns the given player object, loading it if necessary (might block).
		1517
		1518	=cut
		1519
		1520	sub playerdir($) {
		1521	"$PLAYERDIR/"
		1522	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1523	}
		1524
		1525	sub path($) {
		1526	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1527
		1528	(playerdir $login) . "/playerdata"
		1529	}
		1530
		1531	sub find_active($) {
		1532	$cf::PLAYER{$_[0]}
		1533	and $cf::PLAYER{$_[0]}->active
		1534	and $cf::PLAYER{$_[0]}
		1535	}
		1536
		1537	sub exists($) {
1045	my ($map) = @_;	1538	my ($login) = @_;
1046		1539
1047	my $path = $map->tmpname;	1540	$cf::PLAYER{$login}
1048	defined $path or return;	1541	or !aio_stat path $login
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}	1542	}
1061		1543
1062	# TODO: compatibility cruft, remove when no longer needed	1544	sub find($) {
		1545	return $cf::PLAYER{$_[0]} || do {
		1546	my $login = $_[0];
		1547
		1548	my $guard = cf::lock_acquire "user_find:$login";
		1549
		1550	$cf::PLAYER{$_[0]} || do {
		1551	# rename old playerfiles to new ones
		1552	#TODO: remove when no longer required
		1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1556	aio_unlink +(playerdir $login) . "/$login.pl";
		1557
		1558	my $f = new_from_file cf::object::thawer path $login
		1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
		1566	$cf::PLAYER{$login} = $pl
		1567	}
		1568	}
		1569	}
		1570
1063	cf::player->attach (	1571	cf::player->attach (
1064	on_load => sub {	1572	on_load => sub {
1065	my ($pl, $path) = @_;	1573	my ($pl, $path) = @_;
1066		1574
1067	for my $o (all_objects $pl->ob) {	1575	# restore slots saved in save, below
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1576	my $slots = delete $pl->{_slots};
1069	$o->set_ob_key_value ("_perl_data");
1070		1577
1071	%$o = %{ Storable::thaw pack "H*", $value };	1578	$pl->ob->current_weapon ($slots->[0]);
1072	}	1579	$pl->combat_ob ($slots->[1]);
1073	}	1580	$pl->ranged_ob ($slots->[2]);
1074	},	1581	},
1075	);	1582	);
1076		1583
1077	#############################################################################	1584	sub save($) {
		1585	my ($pl) = @_;
1078		1586
1079	=head2 CORE EXTENSIONS	1587	return if $pl->{deny_save};
1080		1588
1081	Functions and methods that extend core crossfire objects.	1589	my $path = path $pl;
		1590	my $guard = cf::lock_acquire "user_save:$path";
1082		1591
1083	=head3 cf::player	1592	return if $pl->{deny_save};
		1593
		1594	aio_mkdir playerdir $pl, 0770;
		1595	$pl->{last_save} = $cf::RUNTIME;
		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
		1602	$pl->save_pl ($path);
		1603	cf::cede_to_tick;
		1604	}
		1605
		1606	sub new($) {
		1607	my ($login) = @_;
		1608
		1609	my $self = create;
		1610
		1611	$self->ob->name ($login);
		1612	$self->{deny_save} = 1;
		1613
		1614	$cf::PLAYER{$login} = $self;
		1615
		1616	$self
		1617	}
		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
		1629	=item $pl->quit_character
		1630
		1631	Nukes the player without looking back. If logged in, the connection will
		1632	be destroyed. May block for a long time.
		1633
		1634	=cut
		1635
		1636	sub quit_character {
		1637	my ($pl) = @_;
		1638
		1639	my $name = $pl->ob->name;
		1640
		1641	$pl->{deny_save} = 1;
		1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1643
		1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1648	$pl->ns->destroy if $pl->ns;
		1649
		1650	my $path = playerdir $pl;
		1651	my $temp = "$path~$cf::RUNTIME~deleting~";
		1652	aio_rename $path, $temp;
		1653	delete $cf::PLAYER{$pl->ob->name};
		1654	$pl->destroy;
		1655
		1656	my $prefix = qr<^~\Q$name\E/>;
		1657
		1658	# nuke player maps
		1659	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1660
		1661	IO::AIO::aio_rmtree $temp;
		1662	}
		1663
		1664	=item $pl->kick
		1665
		1666	Kicks a player out of the game. This destroys the connection.
		1667
		1668	=cut
		1669
		1670	sub kick {
		1671	my ($pl, $kicker) = @_;
		1672
		1673	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1674	$pl->killer ("kicked");
		1675	$pl->ns->destroy;
		1676	}
		1677
		1678	=item cf::player::list_logins
		1679
		1680	Returns am arrayref of all valid playernames in the system, can take a
		1681	while and may block, so not sync_job-capable, ever.
		1682
		1683	=cut
		1684
		1685	sub list_logins {
		1686	my $dirs = aio_readdir $PLAYERDIR
		1687	or return [];
		1688
		1689	my @logins;
		1690
		1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
		1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1698	aio_read $fh, 0, 512, my $buf, 0 or next;
		1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
		1701
		1702	utf8::decode $login;
		1703	push @logins, $login;
		1704	}
		1705
		1706	\@logins
		1707	}
		1708
		1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
		1712
		1713	Returns an arrayref of map paths that are private for this
		1714	player. May block.
		1715
		1716	=cut
		1717
		1718	sub maps($) {
		1719	my ($pl) = @_;
		1720
		1721	$pl = ref $pl ? $pl->ob->name : $pl;
		1722
		1723	my $files = aio_readdir playerdir $pl
		1724	or return;
		1725
		1726	my @paths;
		1727
		1728	for (@$files) {
		1729	utf8::decode $_;
		1730	next if /\.(?:pl|pst)$/;
		1731	next unless /^$PATH_SEP/o;
		1732
		1733	push @paths, cf::map::normalise "~$pl/$_";
		1734	}
		1735
		1736	\@paths
		1737	}
		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
		1743	=item $player->ext_reply ($msgid, @msg)
		1744
		1745	Sends an ext reply to the player.
		1746
		1747	=cut
		1748
		1749	sub ext_reply($$@) {
		1750	my ($self, $id, @msg) = @_;
		1751
		1752	$self->ns->ext_reply ($id, @msg)
		1753	}
		1754
		1755	=item $player->ext_msg ($type, @msg)
		1756
		1757	Sends an ext event to the client.
		1758
		1759	=cut
		1760
		1761	sub ext_msg($$@) {
		1762	my ($self, $type, @msg) = @_;
		1763
		1764	$self->ns->ext_msg ($type, @msg);
		1765	}
		1766
		1767	=head3 cf::region
1084		1768
1085	=over 4	1769	=over 4
1086		1770
1087	=item cf::player::exists $login
1088
1089	Returns true when the given account exists.
1090
1091	=cut	1771	=cut
1092		1772
1093	sub cf::player::exists($) {	1773	package cf::region;
1094	cf::player::find $_[0]
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1096	}
1097		1774
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1775	=item cf::region::find_by_path $path
1099		1776
1100	Sends an ext reply to the player.	1777	Tries to decuce the likely region for a map knowing only its path.
1101		1778
1102	=cut	1779	=cut
1103		1780
1104	sub cf::player::ext_reply($$$%) {	1781	sub find_by_path($) {
1105	my ($self, $id, %msg) = @_;	1782	my ($path) = @_;
1106		1783
1107	$msg{msgid} = $id;	1784	$path =~ s/^~[^\/]*//; # skip ~login
1108		1785
1109	$self->send ("ext " . to_json \%msg);	1786	my ($match, $specificity);
		1787
		1788	for my $region (list) {
		1789	if ($region->{match} && $path =~ $region->{match}) {
		1790	($match, $specificity) = ($region, $region->specificity)
		1791	if $region->specificity > $specificity;
		1792	}
		1793	}
		1794
		1795	$match
1110	}	1796	}
1111		1797
1112	=back	1798	=back
1113
1114		1799
1115	=head3 cf::map	1800	=head3 cf::map
1116		1801
1117	=over 4	1802	=over 4
1118		1803
…		…
1121	package cf::map;	1806	package cf::map;
1122		1807
1123	use Fcntl;	1808	use Fcntl;
1124	use Coro::AIO;	1809	use Coro::AIO;
1125		1810
		1811	use overload
		1812	'""' => \&as_string,
		1813	fallback => 1;
		1814
1126	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1128		1817
1129	sub generate_random_map {	1818	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1131		1822
1132	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1824	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1832	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1833	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1834	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1835	(cf::region::find $rmp->{region}), $rmp->{custom}
		1836	)
1146	}	1837	}
1147		1838
1148	# and all this just because we cannot iterate over	1839	=item cf::map->register ($regex, $prio)
1149	# all maps in C++...
1150	sub change_all_map_light {
1151	my ($change) = @_;
1152		1840
1153	$_->change_map_light ($change)	1841	Register a handler for the map path matching the given regex at the
1154	for grep $_->outdoor, values %cf::MAP;	1842	givne priority (higher is better, built-in handlers have priority 0, the
1155	}	1843	default).
1156		1844
1157	sub try_load_header($) {	1845	=cut
		1846
		1847	sub register {
		1848	my (undef, $regex, $prio) = @_;
		1849	my $pkg = caller;
		1850
		1851	no strict;
		1852	push @{"$pkg\::ISA"}, __PACKAGE__;
		1853
		1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1855	}
		1856
		1857	# also paths starting with '/'
		1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1859
		1860	sub thawer_merge {
		1861	my ($self, $merge) = @_;
		1862
		1863	# we have to keep some variables in memory intact
		1864	local $self->{path};
		1865	local $self->{load_path};
		1866
		1867	$self->SUPER::thawer_merge ($merge);
		1868	}
		1869
		1870	sub normalise {
1158	my ($path) = @_;	1871	my ($path, $base) = @_;
		1872
		1873	$path = "$path"; # make sure its a string
		1874
		1875	$path =~ s/\.map$//;
		1876
		1877	# map plan:
		1878	#
		1879	# /! non-realised random map exit (special hack!)
		1880	# {... are special paths that are not being touched
		1881	# ?xxx/... are special absolute paths
		1882	# ?random/... random maps
		1883	# /... normal maps
		1884	# ~user/... per-player map of a specific user
		1885
		1886	$path =~ s/$PATH_SEP/\//go;
		1887
		1888	# treat it as relative path if it starts with
		1889	# something that looks reasonable
		1890	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1891	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1892
		1893	$base =~ s{[^/]+/?$}{};
		1894	$path = "$base/$path";
		1895	}
		1896
		1897	for ($path) {
		1898	redo if s{//}{/};
		1899	redo if s{/\.?/}{/};
		1900	redo if s{/[^/]+/\.\./}{/};
		1901	}
		1902
		1903	$path
		1904	}
		1905
		1906	sub new_from_path {
		1907	my (undef, $path, $base) = @_;
		1908
		1909	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1910
		1911	$path = normalise $path, $base;
		1912
		1913	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1914	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1915	my $self = bless cf::map::new, $pkg;
		1916	$self->{path} = $path; $self->path ($path);
		1917	$self->init; # pass $1 etc.
		1918	return $self;
		1919	}
		1920	}
		1921
		1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1923	()
		1924	}
		1925
		1926	sub init {
		1927	my ($self) = @_;
		1928
		1929	$self
		1930	}
		1931
		1932	sub as_string {
		1933	my ($self) = @_;
		1934
		1935	"$self->{path}"
		1936	}
		1937
		1938	# the displayed name, this is a one way mapping
		1939	sub visible_name {
		1940	&as_string
		1941	}
		1942
		1943	# the original (read-only) location
		1944	sub load_path {
		1945	my ($self) = @_;
		1946
		1947	"$MAPDIR/$self->{path}.map"
		1948	}
		1949
		1950	# the temporary/swap location
		1951	sub save_path {
		1952	my ($self) = @_;
		1953
		1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1955	"$TMPDIR/$path.map"
		1956	}
		1957
		1958	# the unique path, undef == no special unique path
		1959	sub uniq_path {
		1960	my ($self) = @_;
		1961
		1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1963	"$UNIQUEDIR/$path"
		1964	}
		1965
		1966	sub decay_objects {
		1967	my ($self) = @_;
		1968
		1969	return if $self->{deny_reset};
		1970
		1971	$self->do_decay_objects;
		1972	}
		1973
		1974	sub unlink_save {
		1975	my ($self) = @_;
		1976
		1977	utf8::encode (my $save = $self->save_path);
		1978	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1980	}
		1981
		1982	sub load_header_from($) {
		1983	my ($self, $path) = @_;
1159		1984
1160	utf8::encode $path;	1985	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1162	or return;	1987	or return;
1163		1988
1164	my $map = cf::map::new	1989	$self->_load_header ($f)
1165	or return;	1990	or return;
1166		1991
1167	# for better error messages only, will be overwritten	1992	local $MAP_LOADING{$self->{path}} = $self;
1168	$map->path ($path);	1993	$f->resolve_delayed_derefs;
1169		1994
1170	$map->load_header ($path)	1995	$self->{load_path} = $path;
		1996
		1997	1
		1998	}
		1999
		2000	sub load_header_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->load_header_from ($self->load_path)
		2004	}
		2005
		2006	sub load_header_temp {
		2007	my ($self) = @_;
		2008
		2009	$self->load_header_from ($self->save_path)
		2010	}
		2011
		2012	sub prepare_temp {
		2013	my ($self) = @_;
		2014
		2015	$self->last_access ((delete $self->{last_access})
		2016	|| $cf::RUNTIME); #d#
		2017	# safety
		2018	$self->{instantiate_time} = $cf::RUNTIME
		2019	if $self->{instantiate_time} > $cf::RUNTIME;
		2020	}
		2021
		2022	sub prepare_orig {
		2023	my ($self) = @_;
		2024
		2025	$self->{load_original} = 1;
		2026	$self->{instantiate_time} = $cf::RUNTIME;
		2027	$self->last_access ($cf::RUNTIME);
		2028	$self->instantiate;
		2029	}
		2030
		2031	sub load_header {
		2032	my ($self) = @_;
		2033
		2034	if ($self->load_header_temp) {
		2035	$self->prepare_temp;
		2036	} else {
		2037	$self->load_header_orig
1171	or return;	2038	or return;
		2039	$self->prepare_orig;
		2040	}
1172		2041
1173	$map->{load_path} = $path;	2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
1174		2044
1175	$map	2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
		2047
		2048	1
1176	}	2049	}
1177		2050
1178	sub find;	2051	sub find;
1179	sub find {	2052	sub find {
1180	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1181		2054
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		2056
1187	cf::lock_wait "map_find:$key";	2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1188
1189	$cf::MAP{$key} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1191		2059
1192	# do it the slow way	2060	$cf::MAP{$path} || do {
1193	my $map = try_load_header $path->save_path;	2061	my $map = new_from_path cf::map $path
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	2062	or return;
1211		2063
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1224		2065
1225	Coro::cede;	2066	$map->load_header
		2067	or return;
1226		2068
1227	if ($map->should_reset) {	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2070	# doing this can freeze the server in a sync job, obviously
		2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1228	$map->reset;	2074	$map->reset;
1229	undef $guard;
1230	$map = find $path	2075	return find $path;
1231	or return;
1232	}	2076	}
1233		2077
1234	$cf::MAP{$key} = $map	2078	$cf::MAP{$path} = $map
1235	}	2079	}
1236	}	2080	}
		2081
		2082	sub pre_load { }
		2083	#sub post_load { } # XS
1237		2084
1238	sub load {	2085	sub load {
1239	my ($self) = @_;	2086	my ($self) = @_;
1240		2087
		2088	local $self->{deny_reset} = 1; # loading can take a long time
		2089
1241	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2093	my $guard = cf::lock_acquire "map_data:$path";
1243		2094
		2095	return unless $self->valid;
1244	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1245		2097
1246	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1247		2099
1248	$self->alloc;	2100	$self->alloc;
1249	$self->load_objects ($self->{load_path}, 1)	2101
		2102	$self->pre_load;
		2103	cf::cede_to_tick;
		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1250	or return;	2108	or return;
1251		2109
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1253	if delete $self->{load_original};	2111	if delete $self->{load_original};
1254		2112
1255	if (my $uniq = $path->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	2114	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1258	$self->clear_unique_items;	2117	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1260	}	2121	}
1261	}	2122	}
1262		2123
1263	Coro::cede;	2124	$f->resolve_delayed_derefs;
1264		2125
		2126	cf::cede_to_tick;
1265	# now do the right thing for maps	2127	# now do the right thing for maps
1266	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1267
1268	if ($self->{path}->is_style_map) {
1269	$self->{deny_save} = 1;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;
1275	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	2130	unless $self->difficulty;
		2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1278	$self->activate;	2138	$self->activate;
1279	}	2139	}
1280		2140
1281	Coro::cede;	2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
1282		2143
1283	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
		2145	}
		2146
		2147	$self->post_load;
		2148	}
		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
		2153	sub customise_for {
		2154	my ($self, $ob) = @_;
		2155
		2156	return find "~" . $ob->name . "/" . $self->{path}
		2157	if $self->per_player;
		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
		2162	$self
		2163	}
		2164
		2165	# find and load all maps in the 3x3 area around a map
		2166	sub load_neighbours {
		2167	my ($map) = @_;
		2168
		2169	my @neigh; # diagonal neighbours
		2170
		2171	for (0 .. 3) {
		2172	my $neigh = $map->tile_path ($_)
		2173	or next;
		2174	$neigh = find $neigh, $map
		2175	or next;
		2176	$neigh->load;
		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
		2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2182	}
		2183
		2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
		2186	my $neigh = find $path, $origin
		2187	or next;
		2188	$neigh->load;
		2189	}
1284	}	2190	}
1285		2191
1286	sub find_sync {	2192	sub find_sync {
1287	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1288		2194
1289	cf::sync_job { cf::map::find $path, $origin }	2195	cf::sync_job { find $path, $origin }
1290	}	2196	}
1291		2197
1292	sub do_load_sync {	2198	sub do_load_sync {
1293	my ($map) = @_;	2199	my ($map) = @_;
1294		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1295	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
		2205	}
		2206
		2207	our %MAP_PREFETCH;
		2208	our $MAP_PREFETCHER = undef;
		2209
		2210	sub find_async {
		2211	my ($path, $origin, $load) = @_;
		2212
		2213	$path = normalise $path, $origin && $origin->{path};
		2214
		2215	if (my $map = $cf::MAP{$path}) {
		2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2217	}
		2218
		2219	$MAP_PREFETCH{$path} |= $load;
		2220
		2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
		2224	while (%MAP_PREFETCH) {
		2225	while (my ($k, $v) = each %MAP_PREFETCH) {
		2226	if (my $map = find $k) {
		2227	$map->load if $v;
		2228	}
		2229
		2230	delete $MAP_PREFETCH{$k};
		2231	}
		2232	}
		2233	undef $MAP_PREFETCHER;
		2234	};
		2235	$MAP_PREFETCHER->prio (6);
		2236
		2237	()
		2238	}
		2239
		2240	# common code, used by both ->save and ->swapout
		2241	sub _save {
		2242	my ($self) = @_;
		2243
		2244	$self->{last_save} = $cf::RUNTIME;
		2245
		2246	return unless $self->dirty;
		2247
		2248	my $save = $self->save_path; utf8::encode $save;
		2249	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2250
		2251	$self->{load_path} = $save;
		2252
		2253	return if $self->{deny_save};
		2254
		2255	local $self->{last_access} = $self->last_access;#d#
		2256
		2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
		2259	$_->contr->save for $self->players;
		2260	};
		2261
		2262	cf::get_slot 0.02;
		2263
		2264	if ($uniq) {
		2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2267	} else {
		2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2269	}
1296	}	2270	}
1297		2271
1298	sub save {	2272	sub save {
1299	my ($self) = @_;	2273	my ($self) = @_;
1300		2274
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
1302		2276
1303	$self->{last_save} = $cf::RUNTIME;	2277	$self->_save;
1304
1305	return unless $self->dirty;
1306
1307	my $save = $self->{path}->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1309
1310	$self->{load_path} = $save;
1311
1312	return if $self->{deny_save};
1313
1314	local $self->{last_access} = $self->last_access;#d#
1315
1316	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}
1322	}	2278	}
1323		2279
1324	sub swap_out {	2280	sub swap_out {
1325	my ($self) = @_;	2281	my ($self) = @_;
1326		2282
1327	# save first because save cedes
1328	$self->save;
1329
1330	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1331		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1332	return if $self->players;	2287	return if $self->players;
1333	return if $self->in_memory != cf::MAP_IN_MEMORY;
1334	return if $self->{deny_save};
1335		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1336	$self->clear;	2298	$self->clear;
1337	$self->in_memory (cf::MAP_SWAPPED);
1338	}	2299	}
1339		2300
1340	sub reset_at {	2301	sub reset_at {
1341	my ($self) = @_;	2302	my ($self) = @_;
1342		2303
1343	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};
1345	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1346		2306
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		2309
…		…
1354	my ($self) = @_;	2314	my ($self) = @_;
1355		2315
1356	$self->reset_at <= $cf::RUNTIME	2316	$self->reset_at <= $cf::RUNTIME
1357	}	2317	}
1358		2318
1359	sub unlink_save {
1360	my ($self) = @_;
1361
1362	utf8::encode (my $save = $self->{path}->save_path);
1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365	}
1366
1367	sub rename {
1368	my ($self, $new_path) = @_;
1369
1370	$self->unlink_save;
1371
1372	delete $cf::MAP{$self->path};
1373	$self->{path} = new cf::path $new_path;
1374	$self->path ($self->{path}->as_string);
1375	$cf::MAP{$self->path} = $self;
1376
1377	$self->save;
1378	}
1379
1380	sub reset {	2319	sub reset {
1381	my ($self) = @_;	2320	my ($self) = @_;
1382		2321
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		2323
1385	return if $self->players;	2324	return if $self->players;
1386	return if $self->{path}{user_rel};#d#
1387		2325
1388	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
		2327
		2328	$self->in_memory (cf::MAP_SWAPPED);
		2329
		2330	# need to save uniques path
		2331	unless ($self->{deny_save}) {
		2332	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2333
		2334	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2335	if $uniq;
		2336	}
1389		2337
1390	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1391		2339
		2340	$self->deactivate;
1392	$_->clear_links_to ($self) for values %cf::MAP;	2341	$_->clear_links_to ($self) for values %cf::MAP;
		2342	$self->clear;
1393		2343
1394	$self->unlink_save;	2344	$self->unlink_save;
1395	$self->destroy;	2345	$self->destroy;
1396	}	2346	}
1397		2347
1398	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1399		2349
1400	sub nuke {	2350	sub nuke {
1401	my ($self) = @_;	2351	my ($self) = @_;
1402		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
		2356	delete $cf::MAP{$self->path};
		2357
		2358	$self->unlink_save;
		2359
		2360	bless $self, "cf::map::wrap";
		2361	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2365
		2366	$cf::MAP{$self->path} = $self;
		2367	}
		2368
1406	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
1407	}	2370	}
1408		2371
1409	sub customise_for {	2372	=item $maps = cf::map::tmp_maps
1410	my ($map, $ob) = @_;
1411		2373
1412	if ($map->per_player) {	2374	Returns an arrayref with all map paths of currently instantiated and saved
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
1414	}	2380	[
1415		2381	map {
1416	$map	2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
1417	}	2388	}
1418		2389
1419	sub emergency_save {	2390	=item $maps = cf::map::random_maps
1420	my $freeze_guard = cf::freeze_mainloop;
1421		2391
1422	warn "enter emergency map save\n";	2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
1423		2394
1424	cf::sync_job {	2395	=cut
1425	warn "begin emergency map save\n";	2396
1426	$_->save for values %cf::MAP;	2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
		2406	}
		2407
		2408	=item cf::map::unique_maps
		2409
		2410	Returns an arrayref of paths of all shared maps that have
		2411	instantiated unique items. May block.
		2412
		2413	=cut
		2414
		2415	sub unique_maps() {
		2416	[
		2417	map {
		2418	utf8::decode $_;
		2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
		2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
		2424	]
		2425	}
		2426
		2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
1427	};	2454	}
1428		2455
1429	warn "end emergency map save\n";	2456	\@maps
		2457	}
		2458
		2459	=back
		2460
		2461	=head3 cf::object
		2462
		2463	=cut
		2464
		2465	package cf::object;
		2466
		2467	=over 4
		2468
		2469	=item $ob->inv_recursive
		2470
		2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
		2473
		2474	=cut
		2475
		2476	sub inv_recursive_;
		2477	sub inv_recursive_ {
		2478	map { $_, inv_recursive_ $_->inv } @_
		2479	}
		2480
		2481	sub inv_recursive {
		2482	inv_recursive_ inv $_[0]
		2483	}
		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
1430	}	2511	}
1431		2512
1432	package cf;	2513	package cf;
1433		2514
1434	=back	2515	=back
1435
1436		2516
1437	=head3 cf::object::player	2517	=head3 cf::object::player
1438		2518
1439	=over 4	2519	=over 4
1440		2520
…		…
1443	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1444	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
1445	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1446		2526
1447	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1448		2542
1449	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1450	# with dialog boxes.	2544	# with dialog boxes.
1451	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1452	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1454		2548
1455	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1456		2550
1457	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1458	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1459	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1460	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1461	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1462	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1463	}	2576	}
1464		2577
1465	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1466		2579
1467	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1480		2593
1481	=item $player_object->enter_link	2594	=item $player_object->enter_link
1482		2595
1483	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1484		2597
1485	The player should be reaosnably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
1486	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
		2602
		2603	Will never block.
1487		2604
1488	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1489		2606
1490	Moves the player out of the specila link map onto the given map. If the	2607	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	2608	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	2609	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	2610	fails, to the emergency map position.
1494		2611
1495	Might block.	2612	Might block.
1496		2613
1497	=cut	2614	=cut
		2615
		2616	sub link_map {
		2617	unless ($LINK_MAP) {
		2618	$LINK_MAP = cf::map::find "{link}"
		2619	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2620	$LINK_MAP->load;
		2621	}
		2622
		2623	$LINK_MAP
		2624	}
1498		2625
1499	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1500	my ($self) = @_;	2627	my ($self) = @_;
1501		2628
1502	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1503		2630
1504	return if $self->map == $LINK_MAP;	2631	++$self->{_link_recursion};
		2632
		2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		2634
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	2636	if $self->map && $self->map->{path} ne "{link}";
1508		2637
1509	$self->enter_map ($LINK_MAP, 20, 20);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1510	}	2639	}
1511		2640
1512	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
		2643
		2644	return unless $self->contr->active;
1514		2645
1515	my $link_pos = delete $self->{_link_pos};	2646	my $link_pos = delete $self->{_link_pos};
1516		2647
1517	unless ($map) {	2648	unless ($map) {
1518	# restore original map position	2649	# restore original map position
…		…
1529	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1530	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1531		2662
1532	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1535		2666
1536	$map->load;	2667	$map->load;
		2668	$map->load_neighbours;
1537		2669
		2670	return unless $self->contr->active;
		2671
		2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2673	if ($self->enter_map ($map, $x, $y)) {
		2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
1538	$self->activate_recursive;	2677	$self->activate_recursive;
1539	$self->enter_map ($map, $x, $y);
1540	}
1541
1542	cf::player->attach (
1543	on_logout => sub {
1544	my ($pl) = @_;
1545
1546	# abort map switching before logout
1547	if ($pl->ob->{_link_pos}) {
1548	cf::sync_job {
1549	$pl->ob->leave_link
1550	};
1551	}
1552	},	2678	}
1553	on_login => sub {
1554	my ($pl) = @_;
1555		2679
1556	# try to abort aborted map switching on player login :)	2680	}
1557	# should happen only on crashes
1558	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;
1560	cf::async {
1561	# we need this sleep as the login has a concurrent enter_exit running
1562	# and this sleep increases chances of the player not ending up in scorn
1563	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;
1565	};
1566	}
1567	},
1568	);
1569		2681
1570	=item $player_object->goto ($path, $x, $y)	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1571		2683
		2684	Moves the player to the given map-path and coordinates by first freezing
		2685	her, loading and preparing them map, calling the provided $check callback
		2686	that has to return the map if sucecssful, and then unfreezes the player on
		2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
1572	=cut	2693	=cut
		2694
		2695	our $GOTOGEN;
1573		2696
1574	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
		2706	# do generation counting so two concurrent goto's will be executed in-order
		2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1576		2708
1577	$self->enter_link;	2709	$self->enter_link;
1578		2710
1579	(cf::async {	2711	(async {
1580	$path = new cf::path $path;	2712	$Coro::current->{desc} = "player::goto $path $x $y";
1581		2713
1582	my $map = cf::map::find $path->as_string;	2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
		2733	my $map = eval {
		2734	my $map = defined $path ? cf::map::find $path : undef;
		2735
		2736	if ($map) {
1583	$map = $map->customise_for ($self) if $map;	2737	$map = $map->customise_for ($self);
1584		2738	$map = $check->($map, $x, $y, $self) if $check && $map;
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	2739	} else {
1586	# if $map;
1587
1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	}
1589		2742
		2743	$map
		2744	};
		2745
		2746	if ($@) {
		2747	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2748	LOG llevError | logBacktrace, Carp::longmess $@;
		2749	}
		2750
		2751	if ($gen == $self->{_goto_generation}) {
		2752	delete $self->{_goto_generation};
1590	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
		2754	}
		2755
		2756	$done->($self) if $done;
1591	})->prio (1);	2757	})->prio (1);
1592	}	2758	}
1593		2759
1594	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1595		2761
…		…
1597		2763
1598	sub parse_random_map_params {	2764	sub parse_random_map_params {
1599	my ($spec) = @_;	2765	my ($spec) = @_;
1600		2766
1601	my $rmp = { # defaults	2767	my $rmp = { # defaults
1602	xsize => 10,	2768	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	2769	ysize => (cf::rndm 15, 40),
		2770	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2771	#layout => string,
1604	};	2772	};
1605		2773
1606	for (split /\n/, $spec) {	2774	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	2775	my ($k, $v) = split /\s+/, $_, 2;
1608		2776
…		…
1620	# that depends on the exit object	2788	# that depends on the exit object
1621		2789
1622	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
1623		2791
1624	if ($exit->map) {	2792	if ($exit->map) {
1625	$rmp->{region} = $exit->map->region_name;	2793	$rmp->{region} = $exit->region->name;
1626	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
1627	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
1628	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
1629	}	2799	}
1630		2800
1631	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
1632		2802
1633	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1634	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
		2805	my $meta = "$RANDOMDIR/$md5.meta";
1635		2806
1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
		2809	undef $fh;
		2810	aio_rename "$meta~", $meta;
1638		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
1639	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
1641	}	2818	}
1642	}	2819	}
1643		2820
1644	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
1645	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
1646		2823
1647	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
1648		2825
1649	$self->enter_link;	2826	$self->enter_link;
1650		2827
1651	(cf::async {	2828	(async {
1652	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
1653	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
1654	prepare_random_map $exit	2838	prepare_random_map $exit
1655	if $exit->slaying eq "/!";	2839	if $exit->slaying eq "/!";
		2840	}
1656		2841
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
1659		2845
		2846	$self->goto ($map, $x, $y);
		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
1660	1;	2852	1
1661	}) {	2853	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
1663	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
1664	. "Please report this to the dungeon master",	2856	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
1666		2858
1667	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
1668	$self->leave_link;	2860	$self->leave_link;
1669	}	2861	}
1670	})->prio (1);	2862	})->prio (1);
1671	}	2863	}
1672		2864
…		…
1683		2875
1684	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
1685	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
1686		2878
1687	utf8::encode $text;	2879	utf8::encode $text;
1688	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1689	}	2881	}
1690		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
		3070	=item $client->ext_msg ($type, @msg)
		3071
		3072	Sends an ext event to the client.
		3073
		3074	=cut
		3075
		3076	sub cf::client::ext_msg($$@) {
		3077	my ($self, $type, @msg) = @_;
		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
		3082	push @msg, msgtype => "event_$type";
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
1691		3104
1692	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
1693		3106
1694	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
1695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1697		3110
1698	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
1699	reliable at some point in the future.	3112	become reliable at some point in the future.
1700		3113
1701	=cut	3114	=cut
1702		3115
1703	sub cf::client::query {	3116	sub cf::client::query {
1704	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
1712	utf8::encode $text;	3125	utf8::encode $text;
1713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1714		3127
1715	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
1716	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
1717	}	3132	}
1718		3133
1719	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
1720	on_reply => sub {	3140	on_reply => sub {
1721	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
1722		3142
1723	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
1724	# get handled first	3144	# get handled first
1725	my $queue = delete $ns->{query_queue}	3145	my $queue = delete $ns->{query_queue}
1726	or return; # be conservative, not sure how that can happen, but we saw a crash here	3146	or return; # be conservative, not sure how that can happen, but we saw a crash here
1727		3147
1728	(shift @$queue)->[1]->($msg);	3148	(shift @$queue)->[1]->($msg);
		3149	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729		3150
1730	push @{ $ns->{query_queue} }, @$queue;	3151	push @{ $ns->{query_queue} }, @$queue;
1731		3152
1732	if (@{ $ns->{query_queue} } == @$queue) {	3153	if (@{ $ns->{query_queue} } == @$queue) {
1733	if (@$queue) {	3154	if (@$queue) {
…		…
1735	} else {	3156	} else {
1736	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1737	}	3158	}
1738	}	3159	}
1739	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
1740	);	3187	);
1741		3188
1742	=item $client->coro (\&cb)	3189	=item $client->async (\&cb)
1743		3190
1744	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
1745	be automatically cancelled when the client gets destroyed (e.g. on logout,	3192	be automatically cancelled when the client gets destroyed (e.g. on logout,
1746	or loss of connection).	3193	or loss of connection).
1747		3194
1748	=cut	3195	=cut
1749		3196
1750	sub cf::client::coro {	3197	sub cf::client::async {
1751	my ($self, $cb) = @_;	3198	my ($self, $cb) = @_;
1752		3199
1753	my $coro = &cf::async ($cb);	3200	my $coro = &Coro::async ($cb);
1754		3201
1755	$coro->on_destroy (sub {	3202	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	3203	delete $self->{_coro}{$coro+0};
1757	});	3204	});
1758		3205
…		…
1760		3207
1761	$coro	3208	$coro
1762	}	3209	}
1763		3210
1764	cf::client->attach (	3211	cf::client->attach (
1765	on_destroy => sub {	3212	on_client_destroy => sub {
1766	my ($ns) = @_;	3213	my ($ns) = @_;
1767		3214
1768	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1769	},	3216	},
1770	);	3217	);
…		…
1785	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
1786	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
1787		3234
1788	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
1789		3236
1790	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
1791		3242
1792	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
1793		3244
1794	=pod	3245	=pod
1795		3246
1796	The following fucntions and emthods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
1797		3248
1798	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
1799	cf::object::player player	3254	cf::object::player
1800	cf::player peaceful	3255	player
1801	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
1802		3262
1803	=cut	3263	=cut
1804		3264
1805	for (	3265	for (
1806	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
1807	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
1808	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
1809	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
1810	) {	3272	) {
1811	no strict 'refs';	3273	no strict 'refs';
1812	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
1813	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1831		3293
1832	my $qcode = $code;	3294	my $qcode = $code;
1833	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1834	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
1835		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
1836	local $_;	3301	local $_;
1837	local @safe::cf::_safe_eval_args = values %vars;
1838		3302
1839	my $eval =	3303	my $eval =
1840	"do {\n"	3304	"do {\n"
1841	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1842	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
1843	. $code	3307	. $code
1844	. "\n}"	3308	. "\n}"
1845	;	3309	;
1846		3310
		3311	if ($CFG{safe_eval}) {
1847	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
1848	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1849	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
1850		3320
1851	if ($@) {	3321	if ($@) {
1852	warn "$@";	3322	warn "$@",
1853	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
1854	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
1855	}	3325	}
1856		3326
1857	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
1858	}	3328	}
1859		3329
…		…
1873	=cut	3343	=cut
1874		3344
1875	sub register_script_function {	3345	sub register_script_function {
1876	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
1877		3347
1878	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
1879	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
1880	}	3350	}
1881		3351
1882	=back	3352	=back
1883		3353
1884	=cut	3354	=cut
1885		3355
1886	#############################################################################	3356	#############################################################################
		3357	# the server's init and main functions
1887		3358
1888	=head2 EXTENSION DATABASE SUPPORT	3359	sub load_facedata($) {
		3360	my ($path) = @_;
1889		3361
1890	Crossfire maintains a very simple database for extension use. It can	3362	# HACK to clear player env face cache, we need some signal framework
1891	currently store anything that can be serialised using Storable, which	3363	# for this (global event?)
1892	excludes objects.	3364	%ext::player_env::MUSIC_FACE_CACHE = ();
1893		3365
1894	The parameter C<$family> should best start with the name of the extension	3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1895	using it, it should be unique.
1896		3367
1897	=over 4	3368	trace "loading facedata from $path\n";
1898		3369
1899	=item $hashref = cf::db_get $family	3370	my $facedata;
		3371	0 < aio_load $path, $facedata
		3372	or die "$path: $!";
1900		3373
1901	Return a hashref for use by the extension C<$family>, which can be	3374	$facedata = Coro::Storable::thaw $facedata;
1902	modified. After modifications, you have to call C<cf::db_dirty> or
1903	C<cf::db_sync>.
1904		3375
1905	=item $value = cf::db_get $family => $key	3376	$facedata->{version} == 2
		3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
1906		3378
1907	Returns a single value from the database	3379	# patch in the exptable
1908		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1909	=item cf::db_put $family => $hashref	3381	$facedata->{resource}{"res/exp_table"} = {
1910		3382	type => FT_RSRC,
1911	Stores the given family hashref into the database. Updates are delayed, if	3383	data => $exp_table,
1912	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3384	hash => (Digest::MD5::md5 $exp_table),
1913
1914	=item cf::db_put $family => $key => $value
1915
1916	Stores the given C<$value> in the family hash. Updates are delayed, if you
1917	want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_dirty
1920
1921	Marks the database as dirty, to be updated at a later time.
1922
1923	=item cf::db_sync
1924
1925	Immediately write the database to disk I<if it is dirty>.
1926
1927	=cut
1928
1929	our $DB;
1930
1931	{
1932	my $path = cf::localdir . "/database.pst";
1933
1934	sub db_load() {
1935	$DB = stat $path ? Storable::retrieve $path : { };
1936	}
1937
1938	my $pid;
1939
1940	sub db_save() {
1941	waitpid $pid, 0 if $pid;
1942	if (0 == ($pid = fork)) {
1943	$DB->{_meta}{version} = 1;
1944	Storable::nstore $DB, "$path~";
1945	rename "$path~", $path;
1946	cf::_exit 0 if defined $pid;
1947	}
1948	}
1949
1950	my $dirty;
1951
1952	sub db_sync() {
1953	db_save if $dirty;
1954	undef $dirty;
1955	}
1956
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1958	db_sync;
1959	});	3385	};
		3386	cf::cede_to_tick;
1960		3387
1961	sub db_dirty() {
1962	$dirty = 1;
1963	$idle->start;
1964	}	3388	{
		3389	my $faces = $facedata->{faceinfo};
1965		3390
1966	sub db_get($;$) {	3391	while (my ($face, $info) = each %$faces) {
1967	@_ >= 2	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1968	? $DB->{$_[0]}{$_[1]}
1969	: ($DB->{$_[0]} ||= { })
1970	}
1971		3393
1972	sub db_put($$;$) {	3394	cf::face::set_visibility $idx, $info->{visibility};
1973	if (@_ >= 3) {	3395	cf::face::set_magicmap $idx, $info->{magicmap};
1974	$DB->{$_[0]}{$_[1]} = $_[2];	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1975	} else {	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1976	$DB->{$_[0]} = $_[1];
1977	}
1978	db_dirty;
1979	}
1980		3398
1981	cf::global->attach (	3399	cf::cede_to_tick;
1982	prio => 10000,
1983	on_cleanup => sub {
1984	db_sync;
1985	},	3400	}
1986	);
1987	}
1988		3401
1989	#############################################################################	3402	while (my ($face, $info) = each %$faces) {
1990	# the server's main()	3403	next unless $info->{smooth};
1991		3404
1992	sub cfg_load {	3405	my $idx = cf::face::find $face
		3406	or next;
		3407
		3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
		3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3411	} else {
		3412	error "smooth face '$info->{smooth}' not found for face '$face'";
		3413	}
		3414
		3415	cf::cede_to_tick;
		3416	}
		3417	}
		3418
		3419	{
		3420	my $anims = $facedata->{animinfo};
		3421
		3422	while (my ($anim, $info) = each %$anims) {
		3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3424	cf::cede_to_tick;
		3425	}
		3426
		3427	cf::anim::invalidate_all; # d'oh
		3428	}
		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
		3449	1
		3450	}
		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
		3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
		3475	load_resource_file "$MAPDIR/regions"
		3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
		3482	}
		3483
		3484	sub reload_facedata {
		3485	load_facedata "$DATADIR/facedata"
		3486	or die "unable to load facedata\n";
		3487	}
		3488
		3489	sub reload_archetypes {
		3490	load_resource_file "$DATADIR/archetypes"
		3491	or die "unable to load archetypes\n";
		3492	}
		3493
		3494	sub reload_treasures {
		3495	load_resource_file "$DATADIR/treasures"
		3496	or die "unable to load treasurelists\n";
		3497	}
		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
		3522	sub reload_resources {
		3523	trace "reloading resource files...\n";
		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
		3528	reload_regions;
		3529	reload_treasures;
		3530
		3531	trace "finished reloading resource files\n";
		3532	}
		3533
		3534	sub reload_config {
		3535	trace "reloading config file...\n";
		3536
1993	open my $fh, "<:utf8", cf::confdir . "/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
1994	or return;	3538	or return;
1995		3539
1996	local $/;	3540	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
1998		3542
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
		3544
		3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2000		3547
2001	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
2002	eval {	3549	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	3552	};
2006	warn $@ if $@;	3553	warn $@ if $@;
2007	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2008	}	3585	}
2009		3586
2010	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2011	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014	(Coro::unblock_sub {	3600	(async {
2015	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
2016	})->();	3602	EV::loop EV::LOOP_ONESHOT;
		3603	})->prio (Coro::PRIO_MAX);
2017	};	3604	};
2018		3605
2019	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
2020	db_load;	3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
		3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2021	load_extensions;	3629	load_extensions;
2022	Event::loop;	3630
		3631	utime time, time, $RUNTIMEFILE;
		3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2023	}	3644	}
2024		3645
2025	#############################################################################	3646	#############################################################################
2026	# initialisation	3647	# initialisation and cleanup
2027		3648
		3649	# install some emergency cleanup handlers
		3650	BEGIN {
		3651	our %SIGWATCHER = ();
		3652	for my $signal (qw(INT HUP TERM)) {
		3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3654	cf::cleanup "SIG$signal";
		3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
		3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
		3745	}
		3746
		3747	sub emergency_save() {
		3748	my $freeze_guard = cf::freeze_mainloop;
		3749
		3750	info "emergency_perl_save: enter\n";
		3751
		3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
		3758	# use a peculiar iteration method to avoid tripping on perl
		3759	# refcount bugs in for. also avoids problems with players
		3760	# and maps saved/destroyed asynchronously.
		3761	info "emergency_perl_save: begin player save\n";
		3762	for my $login (keys %cf::PLAYER) {
		3763	my $pl = $cf::PLAYER{$login} or next;
		3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3766	$pl->save;
		3767	}
		3768	info "emergency_perl_save: end player save\n";
		3769
		3770	info "emergency_perl_save: begin map save\n";
		3771	for my $path (keys %cf::MAP) {
		3772	my $map = $cf::MAP{$path} or next;
		3773	$map->valid or next;
		3774	$map->save;
		3775	}
		3776	info "emergency_perl_save: end map save\n";
		3777
		3778	info "emergency_perl_save: begin database checkpoint\n";
		3779	BDB::db_env_txn_checkpoint $DB_ENV;
		3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
		3785	};
		3786
		3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
		3793	}
		3794
		3795	sub post_cleanup {
		3796	my ($make_core) = @_;
		3797
		3798	error Carp::longmess "post_cleanup backtrace"
		3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
		3828	}
		3829
2028	sub reload() {	3830	sub do_reload_perl() {
2029	# can/must only be called in main	3831	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2031	warn "can only reload from main coroutine\n";	3833	error "can only reload from main coroutine";
2032	return;	3834	return;
2033	}	3835	}
2034		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2035	warn "reloading...";	3842	info "reloading...";
2036		3843
2037	my $guard = freeze_mainloop;	3844	trace "entering sync_job";
		3845
		3846	cf::sync_job {
		3847	cf::write_runtime_sync; # external watchdog should not bark
2038	cf::emergency_save;	3848	cf::emergency_save;
		3849	cf::write_runtime_sync; # external watchdog should not bark
2039		3850
2040	eval {	3851	trace "syncing database to disk";
		3852	BDB::db_env_txn_checkpoint $DB_ENV;
		3853
2041	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2042		3855
2043	# cancel all watchers	3856	trace "flushing outstanding aio requests";
2044	for (Event::all_watchers) {	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2046	}
2047
2048	# cancel all extension coros
2049	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();
2051
2052	# unload all extensions
2053	for (@exts) {
2054	warn "unloading <$_>";
2055	unload_extension $_;
2056	}
2057
2058	# unload all modules loaded from $LIBDIR
2059	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061
2062	warn "removing <$k>";
2063	delete $INC{$k};
2064
2065	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;
2067
2068	if (my $cb = $k->can ("unload_module")) {
2069	$cb->();
2070	}	3859	}
2071		3860
2072	Symbol::delete_package $k;	3861	trace "cancelling all extension coros";
		3862	$_->cancel for values %EXT_CORO;
		3863	%EXT_CORO = ();
		3864
		3865	trace "removing commands";
		3866	%COMMAND = ();
		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
		3874	trace "... unloading $pkg";
		3875
		3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
		3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2073	}	3885	}
2074		3886
2075	# sync database to disk	3887	trace "unloading all perl modules loaded from $LIBDIR";
2076	cf::db_sync;	3888	while (my ($k, $v) = each %INC) {
2077	IO::AIO::flush;	3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2078		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
		3902	}
		3903
2079	# get rid of safe::, as good as possible	3904	trace "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2081	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082		3907
2083	# remove register_script_function callbacks	3908	trace "unloading cf.pm \"a bit\"";
2084	# TODO
2085
2086	# unload cf.pm "a bit"
2087	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
		3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2088		3911
2089	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2090	# and global variables created in xs	3913	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2092		3915
2093	# reload cf.pm	3916	info "unload completed, starting to reload now";
		3917
2094	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2095	require cf;	3919	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2097		3921
2098	# load config and database again	3922	trace "loading config and database again";
2099	cf::cfg_load;	3923	cf::reload_config;
2100	cf::db_load;
2101		3924
2102	# load extensions
2103	warn "load extensions";	3925	trace "loading extensions";
2104	cf::load_extensions;	3926	cf::load_extensions;
2105		3927
2106	# reattach attachments to objects	3928	if ($REATTACH_ON_RELOAD) {
2107	warn "reattach";	3929	trace "reattaching attachments to objects/players";
2108	_global_reattach;	3930	_global_reattach; # objects, sockets
		3931	trace "reattaching attachments to maps";
		3932	reattach $_ for values %MAP;
		3933	trace "reattaching attachments to players";
		3934	reattach $_ for values %PLAYER;
		3935	}
		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
		3940	trace "leaving sync_job";
		3941
		3942	1
		3943	} or do {
		3944	error $@;
		3945	cf::cleanup "error while reloading, exiting.";
		3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
		3950	}
		3951
		3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
		3954	};
		3955
		3956	our $RELOAD_WATCHER; # used only during reload
		3957
		3958	sub reload_perl() {
		3959	# doing reload synchronously and two reloads happen back-to-back,
		3960	# coro crashes during coro_state_free->destroy here.
		3961
		3962	$RELOAD_WATCHER ||= cf::async {
		3963	Coro::AIO::aio_wait cache_extensions;
		3964
		3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3966	do_reload_perl;
		3967	undef $RELOAD_WATCHER;
		3968	};
2109	};	3969	};
2110
2111	if ($@) {
2112	warn $@;
2113	warn "error while reloading, exiting.";
2114	exit 1;
2115	}
2116
2117	warn "reloaded successfully";
2118	};
2119
2120	#############################################################################
2121
2122	unless ($LINK_MAP) {
2123	$LINK_MAP = cf::map::new;
2124
2125	$LINK_MAP->width (41);
2126	$LINK_MAP->height (41);
2127	$LINK_MAP->alloc;
2128	$LINK_MAP->path ("{link}");
2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132	# dirty hack because... archetypes are not yet loaded
2133	Event->timer (
2134	after => 2,
2135	cb => sub {
2136	$_[0]->w->cancel;
2137
2138	# provide some exits "home"
2139	my $exit = cf::object::new "exit";
2140
2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145	$LINK_MAP->insert ($exit->clone, 19, 19);
2146	$LINK_MAP->insert ($exit->clone, 19, 20);
2147	$LINK_MAP->insert ($exit->clone, 19, 21);
2148	$LINK_MAP->insert ($exit->clone, 20, 19);
2149	$LINK_MAP->insert ($exit->clone, 20, 21);
2150	$LINK_MAP->insert ($exit->clone, 21, 19);
2151	$LINK_MAP->insert ($exit->clone, 21, 20);
2152	$LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154	$exit->destroy;
2155	});
2156
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}	3970	}
2162
2163	register "<global>", __PACKAGE__;
2164		3971
2165	register_command "reload" => sub {	3972	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2167		3974
2168	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");
2170	reload;
2171	$who->message ("end of reload.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
		3979	reload_perl;
		3980	};
2172	}	3981	}
2173	};	3982	};
2174		3983
2175	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2176		3985
2177	$TICK_WATCHER = Event->timer (	3986	my $bug_warning = 0;
2178	reentrant => 0,	3987
2179	prio => 0,	3988	our @WAIT_FOR_TICK;
2180	at => $NEXT_TICK || $TICK,	3989	our @WAIT_FOR_TICK_BEGIN;
2181	data => WF_AUTOCANCEL,	3990
2182	cb => sub {	3991	sub wait_for_tick {
		3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3993
		3994	my $signal = new Coro::Signal;
		3995	push @WAIT_FOR_TICK, $signal;
		3996	$signal->wait;
		3997	}
		3998
		3999	sub wait_for_tick_begin {
		4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4001
		4002	my $signal = new Coro::Signal;
		4003	push @WAIT_FOR_TICK_BEGIN, $signal;
		4004	$signal->wait;
		4005	}
		4006
		4007	sub tick {
		4008	if ($Coro::current != $Coro::main) {
		4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4010	unless ++$bug_warning > 10;
		4011	return;
		4012	}
		4013
2183	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2184	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;
2186		4015
2187	# if we are delayed by four ticks or more, skip them all	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2189		4017
2190	$TICK_WATCHER->at ($NEXT_TICK);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2191	$TICK_WATCHER->start;	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2192	},	4020	Coro::async_pool {
2193	);	4021	$Coro::current->{desc} = "runtime saver";
2194
2195	IO::AIO::max_poll_time $TICK * 0.2;
2196
2197	Event->io (
2198	fd => IO::AIO::poll_fileno,
2199	poll => 'r',
2200	prio => 5,
2201	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,
2203	);
2204
2205	Event->timer (
2206	data => WF_AUTOCANCEL,
2207	after => 0,
2208	interval => 10,
2209	cb => sub {
2210	(Coro::unblock_sub {
2211	write_runtime	4022	write_runtime_sync
2212	or warn "ERROR: unable to write runtime file: $!";	4023	or error "ERROR: unable to write runtime file: $!";
2213	})->();	4024	};
2214	},	4025	}
2215	);	4026
		4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4028	$sig->send;
		4029	}
		4030	while (my $sig = shift @WAIT_FOR_TICK) {
		4031	$sig->send;
		4032	}
		4033
		4034	$LOAD = ($NOW - $TICK_START) / $TICK;
		4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4036
		4037	if (0) {
		4038	if ($NEXT_TICK) {
		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
		4043	}
		4044	}
		4045
		4046	{
		4047	# configure BDB
		4048
		4049	BDB::min_parallel 16;
		4050	BDB::max_poll_reqs $TICK * 0.1;
		4051	$AnyEvent::BDB::WATCHER->priority (1);
		4052
		4053	unless ($DB_ENV) {
		4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4060
		4061	(Coro::async { # async to keep sync_job from complaining
		4062	cf::sync_job {
		4063	eval {
		4064	BDB::db_env_open
		4065	$DB_ENV,
		4066	$BDBDIR,
		4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4069	0666;
		4070
		4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
		4073
		4074	cf::cleanup "db_env_open(db): $@" if $@;
		4075	};
		4076	})->join;
		4077	}
		4078
		4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4081	};
		4082	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4083	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4084	};
		4085	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4086	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4087	};
		4088	}
		4089
		4090	{
		4091	# configure IO::AIO
		4092
		4093	IO::AIO::min_parallel 8;
		4094	IO::AIO::max_poll_time $TICK * 0.1;
		4095	undef $AnyEvent::AIO::WATCHER;
		4096	}
		4097
		4098	my $_log_backtrace;
		4099
		4100	sub _log_backtrace {
		4101	my ($msg, @addr) = @_;
		4102
		4103	$msg =~ s/\n//;
		4104
		4105	# limit the # of concurrent backtraces
		4106	if ($_log_backtrace < 2) {
		4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
		4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
		4112	my @bt = fork_call {
		4113	@addr = map { sprintf "%x", $_ } @addr;
		4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4115	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4116	or die "addr2line: $!";
		4117
		4118	my @funcs;
		4119	my @res = <$fh>;
		4120	chomp for @res;
		4121	while (@res) {
		4122	my ($func, $line) = splice @res, 0, 2, ();
		4123	push @funcs, "[$func] $line";
		4124	}
		4125
		4126	@funcs
		4127	};
		4128
		4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4131	LOG llevInfo, "[ABT] $_\n" for @bt;
		4132	--$_log_backtrace;
		4133	};
		4134	} else {
		4135	LOG llevInfo, "[ABT] $msg\n";
		4136	LOG llevInfo, "[ABT] [suppressed]\n";
		4137	}
		4138	}
		4139
		4140	# load additional modules
		4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
2216		4143
2217	END { cf::emergency_save }	4144	END { cf::emergency_save }
2218		4145
2219	1	4146	1
2220		4147

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