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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.531 by root, Wed Apr 28 21:07:41 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
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
28		66
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
30	$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
31		71
32	$Coro::main->prio (Coro::PRIO_MAX); # 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" };
33		80
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	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
45	our $NEXT_TICK;	121	our $NEXT_TICK;
46	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);
47		130
48	our %CFG;	131	our %CFG;
49		132
50	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
52		136
53	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	140
57	our %EXT_CORO; # coroutines bound to extensions	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 $REALLY_UNLOOP; # never set to true, please :)
58		153
59	binmode STDOUT;	154	binmode STDOUT;
60	binmode STDERR;	155	binmode STDERR;
61		156
62	# read virtual server time, if available	157	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
64	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
65	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
66	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
67	}	162	}
68		163
69	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
70	mkdir cf::localdir . "/" . cf::playerdir;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		165
75	# a special map that is always available	166	mkdir $_
76	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
77	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::"} };
78		187
79	#############################################################################	188	#############################################################################
80		189
81	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
82		191
…		…
89	=item $cf::RUNTIME	198	=item $cf::RUNTIME
90		199
91	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
92	every server tick.	201	every server tick.
93		202
94	=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
95		206
96	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		211
99	=item $cf::NOW	212	=item $cf::NOW
100		213
101	The time of the last (current) server tick.	214	The time of the last (current) server tick.
102		215
103	=item $cf::TICK	216	=item $cf::TICK
104		217
105	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
106		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
107	=item %cf::CFG	230	=item %cf::CFG
108		231
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	233	from wherever your confdir points to.
111		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
112	=back	253	=back
113		254
114	=cut	255	=cut
115		256
116	BEGIN {	257	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	258	my $msg = join "", @_;
119	utf8::encode $msg;
120		259
121	$msg .= "\n"	260	$msg .= "\n"
122	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
123		262
		263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		264
124	LOG llevError, $msg;	265	LOG llevError, $msg;
125	};	266	};
126	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
127		281
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	286	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		287	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	288	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		289
135	# we bless all objects into (empty) derived classes to force a method lookup	290	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	291	# within the Safe compartment.
137	for my $pkg (qw(	292	for my $pkg (qw(
138	cf::global cf::attachable	293	cf::global cf::attachable
139	cf::object cf::object::player	294	cf::object cf::object::player
140	cf::client cf::player	295	cf::client cf::player
141	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
142	cf::map cf::party cf::region	298	cf::party cf::region
143	)) {	299	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	301	}
147		302
148	$Event::DIED = sub {	303	$EV::DIED = sub {
149	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
150	};	305	};
151		306
152	my %ext_pkg;	307	#############################################################################
153	my @exts;
154	my @hook;
155		308
156	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
157		310
158	=over 4	311	=over 4
159		312
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	332	$d
180	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
181	}	334	}
182		335
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
186		337
187	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
188		339
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
197		341
198	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
199		343
200	=cut	344	=cut
201		345
202	sub to_json($) {	346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	347
204	JSON::Syck::Dump $_[0]	348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
205	}	363	}
206		364
207	=item cf::lock_wait $string	365	=item cf::lock_wait $string
208		366
209	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
210		368
211	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
212		370
213	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
214	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
216	returned.	374	returned.
217		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
218	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
220		381
221	=cut	382	=item $locked = cf::lock_active $string
222		383
223	our %LOCK;	384	Return true if the lock is currently active, i.e. somebody has locked it.
		385
		386	=cut
		387
		388	our $LOCKS = new Coro::SemaphoreSet;
224		389
225	sub lock_wait($) {	390	sub lock_wait($) {
226	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
227
228	# wait for lock, if any
229	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;
232	}
233	}	392	}
234		393
235	sub lock_acquire($) {	394	sub lock_acquire($) {
236	my ($key) = @_;	395	$LOCKS->guard ($_[0])
		396	}
237		397
238	# wait, to be sure we are not locked	398	sub lock_active($) {
239	lock_wait $key;	399	$LOCKS->count ($_[0]) < 1
240
241	$LOCK{$key} = [];
242
243	Coro::guard {
244	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };
246	}
247	}	400	}
248		401
249	sub freeze_mainloop {	402	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
251		404
252	my $guard = Coro::guard { $TICK_WATCHER->start };	405	&Guard::guard (\&tick_inhibit_dec);
253	$TICK_WATCHER->stop;	406	}
254	$guard	407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
		472	}
		473	};
		474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
255	}	488	}
256		489
257	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
258		491
259	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		497
265	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
266		499
267	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
268		501
269	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
272		506
273	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
276	fast or be very important.	510	fast or be very important.
…		…
279		513
280	sub sync_job(&) {	514	sub sync_job(&) {
281	my ($job) = @_;	515	my ($job) = @_;
282		516
283	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
		518	my $time = AE::time;
		519
284	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
286		522
287	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
288	# (but this is cancel-safe)	524
289	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
290		526
291	my $busy = 1;	527	my $busy = 1;
292	my @res;	528	my @res;
293		529
294	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
295	@res = eval { $job->() };	532	@res = eval { $job->() };
296	warn $@ if $@;	533	warn $@ if $@;
297	undef $busy;	534	undef $busy;
298	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
299		536
300	while ($busy) {	537	while ($busy) {
301	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
302	}	542	}
		543	}
		544
		545	my $time = AE::time - $time;
		546
		547	$TICK_START += $time; # do not account sync jobs to server load
303		548
304	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
305	} else {	550	} else {
306	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
307		552
…		…
309	}	554	}
310	}	555	}
311		556
312	=item $coro = cf::async_ext { BLOCK }	557	=item $coro = cf::async_ext { BLOCK }
313		558
314	Like async, but this coro is automcatially being canceled when the	559	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	560	extension calling this is being unloaded.
316		561
317	=cut	562	=cut
318		563
319	sub async_ext(&) {	564	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
328		573
329	$coro	574	$coro
330	}	575	}
331		576
332	sub write_runtime {	577	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		578
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	579	Executes the given code block with the given arguments in a seperate
336	or return;	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
337		583
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	584	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		585
342	aio_fsync $fh	586	sub fork_call(&@) {
343	and return;	587	my ($cb, @args) = @_;
344		588
345	close $fh	589	# we seemingly have to make a local copy of the whole thing,
346	or return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
347		592
348	aio_rename "$runtime~", $runtime	593	my @res = Coro::Util::fork_eval {
349	and return;	594	reset_signals;
		595	&$cb
		596	}, @args;
350		597
		598	wantarray ? @res : $res[-1]
		599	}
		600
		601	sub objinfo {
351	1	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
		764	}
		765
		766	=item cf::datalog type => key => value, ...
		767
		768	Log a datalog packet of the given type with the given key-value pairs.
		769
		770	=cut
		771
		772	sub datalog($@) {
		773	my ($type, %kv) = @_;
		774	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	775	}
353		776
354	=back	777	=back
355		778
356	=cut	779	=cut
357		780
358	#############################################################################	781	#############################################################################
359		782
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479
480	#############################################################################
481
482	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
483		784
484	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
485	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
487		788
488	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
489	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	791	Deliantra).
491		792
492	=over 4	793	=over 4
493		794
494	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
495		796
…		…
539	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
540		841
541	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
542	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
543		844
544	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
545	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
546		847
547	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
548		849
549	=over 4	850	=over 4
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	910	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	911	our @CB_MAP = ();
611		912
612	my %attachment;	913	my %attachment;
613		914
		915	sub cf::attachable::thawer_merge {
		916	# simply override everything except _meta
		917	local $_[0]{_meta};
		918	%{$_[0]} = %{$_[1]};
		919	}
		920
614	sub _attach_cb($$$$) {	921	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	922	my ($registry, $event, $prio, $cb) = @_;
616		923
617	use sort 'stable';	924	use sort 'stable';
618		925
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	959	$registry = $CB_TYPE[$object_type] ||= [];
653		960
654	} elsif ($type eq "subtype") {	961	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	962	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	963	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	964	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		965
659	} elsif ($type eq "package") {	966	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	967	my $pkg = shift @arg;
661		968
662	while (my ($name, $id) = each %cb_id) {	969	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
692	}	999	}
693		1000
694	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
695	} else {	1002	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	1004	}
698		1005
699	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
700	}	1007	}
701		1008
…		…
703	if (ref $_[0]) {	1010	if (ref $_[0]) {
704	_object_attach @_;	1011	_object_attach @_;
705	} else {	1012	} else {
706	_attach shift->_attach_registry, @_;	1013	_attach shift->_attach_registry, @_;
707	}	1014	}
		1015	_recalc_want;
708	};	1016	};
709		1017
710	# all those should be optimised	1018	# all those should be optimised
711	sub cf::attachable::detach {	1019	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	1020	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	1023	delete $obj->{_attachment}{$name};
716	reattach ($obj);	1024	reattach ($obj);
717	} else {	1025	} else {
718	Carp::croak "cannot, currently, detach class attachments";	1026	Carp::croak "cannot, currently, detach class attachments";
719	}	1027	}
		1028	_recalc_want;
720	};	1029	};
721		1030
722	sub cf::attachable::attached {	1031	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	1032	my ($obj, $name) = @_;
724		1033
…		…
739	";	1048	";
740	die if $@;	1049	die if $@;
741	}	1050	}
742		1051
743	our $override;	1052	our $override;
744	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
745		1054
746	sub override {	1055	sub override {
747	$override = 1;	1056	$override = 1;
748	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
749	}	1058	}
750		1059
751	sub do_invoke {	1060	sub do_invoke {
752	my $event = shift;	1061	my $event = shift;
753	my $callbacks = shift;	1062	my $callbacks = shift;
754		1063
755	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
756		1065
757	local $override;	1066	local $override;
758		1067
759	for (@$callbacks) {	1068	for (@$callbacks) {
760	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
769	}	1078	}
770		1079
771	0	1080	0
772	}	1081	}
773		1082
774	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
775		1084
776	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
777		1086
778	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
779		1088
780	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
781	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
782	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		1092
784	=back	1093	=back
785		1094
786	=cut	1095	=cut
787		1096
788	#############################################################################	1097	#############################################################################
789	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
790		1141
791	sub reattach {	1142	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	1144	my ($obj) = @_;
		1145
		1146	# no longer needed after getting rid of delete_package?
		1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		1148
795	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
796		1150
797	@$registry = ();	1151	@$registry = ();
798		1152
…		…
813	cf::attachable->attach (	1167	cf::attachable->attach (
814	prio => -1000000,	1168	prio => -1000000,
815	on_instantiate => sub {	1169	on_instantiate => sub {
816	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
817		1171
818	$data = from_json $data;	1172	$data = decode_json $data;
819		1173
820	for (@$data) {	1174	for (@$data) {
821	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
822		1176
823	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
839	sub object_freezer_save {	1193	sub object_freezer_save {
840	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
841		1195
842	sync_job {	1196	sync_job {
843	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
844	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
845	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
846		1202
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1206	if ($cf::USE_FSYNC) {
		1207	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;
850	aio_fsync $fh;	1208	aio_fsync $fh;
		1209	}
851	close $fh;	1210	aio_close $fh;
852		1211
853	if (@$objs) {	1212	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
		1217	if ($cf::USE_FSYNC) {
		1218	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;
858	aio_fsync $fh;	1219	aio_fsync $fh;
		1220	}
859	close $fh;	1221	aio_close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
861	}	1223	}
862	} else {	1224	} else {
863	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
864	}	1226	}
865		1227
866	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
867	} else {	1232	} else {
868	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
869	}	1234	}
870	} else {	1235	} else {
871	aio_unlink $filename;	1236	aio_unlink $filename;
872	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
873	}	1238	}
874	}	1239	};
875	}	1240	}
876		1241
877	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
879		1244
…		…
891	or return;	1256	or return;
892		1257
893	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
894	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
895	or return;	1260	or return;
		1261
896	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
897	}	1264	}
898		1265
		1266	utf8::decode (my $decname = $filename);
899	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
901	return ($data, $av);	1271	($data, $av)
902	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
903		1279
904	#############################################################################	1280	#############################################################################
905	# command handling &c	1281	# command handling &c
906		1282
907	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1297	}
922		1298
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1300
925	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
926		1306
927	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
928	called.	1308	called.
929		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
930	=cut	1321	=cut
931		1322
932	sub register_extcmd {	1323	sub register_extcmd {
933	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
934		1325
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1326	$EXTCMD{$name} = $cb;
939	}	1327	}
		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
940		1336
941	cf::player->attach (	1337	cf::player->attach (
942	on_command => sub {	1338	on_unknown_command => sub {
943	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
944		1340
945	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
946	or return;	1342	or return;
947		1343
…		…
952	cf::override;	1348	cf::override;
953	},	1349	},
954	on_extcmd => sub {	1350	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
956		1352
957	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1354
959	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
965	} else {	1370	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1372	}
968		1373
969	cf::override;	1374	cf::override;
970	},	1375	},
971	);	1376	);
972		1377
973	sub register {	1378	# "readahead" all extensions
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	1379	sub cache_extensions {
980	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
981		1381
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
983	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
984	my $pkg = $1;	1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}	1385	}
1032	}	1386	};
1033		1387
1034	# remove extcmds	1388	$grp
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	1389	}
1048		1390
1049	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
1050	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1396	next unless -r $path;
1052	eval {	1397
1053	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
1054	1	1461	}
1055	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
1056	}	1472	};
1057	}	1473	}
1058		1474
1059	#############################################################################	1475	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1476
1062	*cf::mapsupport::on_clean = sub {	1477	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1478
1097	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
1098		1480
1099	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
1100		1482
1101	=cut	1483	=cut
1102		1484
1103	package cf::player;	1485	package cf::player;
1104		1486
…		…
1106		1488
1107	=head3 cf::player	1489	=head3 cf::player
1108		1490
1109	=over 4	1491	=over 4
1110		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
		1506
1111	=item cf::player::find $login	1507	=item cf::player::find $login
1112		1508
1113	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1114		1510
1115	=cut	1511	=cut
1116		1512
1117	sub playerdir($) {	1513	sub playerdir($) {
1118	cf::localdir	1514	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1515	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1516	}
1124		1517
1125	sub path($) {	1518	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1519	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1520
1128	(playerdir $login) . "/$login.pl"	1521	(playerdir $login) . "/playerdata"
1129	}	1522	}
1130		1523
1131	sub find_active($) {	1524	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1525	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1526	and $cf::PLAYER{$_[0]}->active
…		…
1136		1529
1137	sub exists($) {	1530	sub exists($) {
1138	my ($login) = @_;	1531	my ($login) = @_;
1139		1532
1140	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1534	or !aio_stat path $login
1142	}	1535	}
1143		1536
1144	sub find($) {	1537	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1539	my $login = $_[0];
1147		1540
1148	my $guard = cf::lock_acquire "user_find:$login";	1541	my $guard = cf::lock_acquire "user_find:$login";
1149		1542
1150	$cf::PLAYER{$_[0]} || do {	1543	$cf::PLAYER{$_[0]} || do {
1151	my $pl = load_pl path $login	1544	# rename old playerfiles to new ones
		1545	#TODO: remove when no longer required
		1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1549	aio_unlink +(playerdir $login) . "/$login.pl";
		1550
		1551	my $f = new_from_file cf::object::thawer path $login
1152	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1153	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1154	}	1560	}
1155	}	1561	}
1156	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1157		1576
1158	sub save($) {	1577	sub save($) {
1159	my ($pl) = @_;	1578	my ($pl) = @_;
1160		1579
1161	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1166	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1167		1586
1168	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1170		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1171	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1172	Coro::cede;	1596	cf::cede_to_tick;
1173	}	1597	}
1174		1598
1175	sub new($) {	1599	sub new($) {
1176	my ($login) = @_;	1600	my ($login) = @_;
1177		1601
…		…
1183	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1184		1608
1185	$self	1609	$self
1186	}	1610	}
1187		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1188	=item $pl->quit_character	1622	=item $pl->quit_character
1189		1623
1190	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1191	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1192		1626
1193	=cut	1627	=cut
1194		1628
1195	sub quit_character {	1629	sub quit_character {
1196	my ($pl) = @_;	1630	my ($pl) = @_;
1197		1631
		1632	my $name = $pl->ob->name;
		1633
1198	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1200		1636
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1202	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1203	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1204	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1205		1642
1206	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1645	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1646	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1647	$pl->destroy;
		1648
		1649	my $prefix = qr<^~\Q$name\E/>;
		1650
		1651	# nuke player maps
		1652	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1653
1211	IO::AIO::aio_rmtree $temp;	1654	IO::AIO::aio_rmtree $temp;
		1655	}
		1656
		1657	=item $pl->kick
		1658
		1659	Kicks a player out of the game. This destroys the connection.
		1660
		1661	=cut
		1662
		1663	sub kick {
		1664	my ($pl, $kicker) = @_;
		1665
		1666	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1667	$pl->killer ("kicked");
		1668	$pl->ns->destroy;
1212	}	1669	}
1213		1670
1214	=item cf::player::list_logins	1671	=item cf::player::list_logins
1215		1672
1216	Returns am arrayref of all valid playernames in the system, can take a	1673	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1674	while and may block, so not sync_job-capable, ever.
1218		1675
1219	=cut	1676	=cut
1220		1677
1221	sub list_logins {	1678	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1679	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1680	or return [];
1224		1681
1225	my @logins;	1682	my @logins;
1226		1683
1227	for my $login (@$dirs) {	1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1231		1694
1232	utf8::decode $login;	1695	utf8::decode $login;
1233	push @logins, $login;	1696	push @logins, $login;
1234	}	1697	}
1235		1698
1236	\@logins	1699	\@logins
1237	}	1700	}
1238		1701
1239	=item $player->maps	1702	=item $player->maps
1240		1703
		1704	=item cf::player::maps $login
		1705
1241	Returns an arrayref of cf::path's of all maps that are private for this	1706	Returns an arrayref of map paths that are private for this
1242	player. May block.	1707	player. May block.
1243		1708
1244	=cut	1709	=cut
1245		1710
1246	sub maps($) {	1711	sub maps($) {
1247	my ($pl) = @_;	1712	my ($pl) = @_;
		1713
		1714	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1715
1249	my $files = aio_readdir playerdir $pl	1716	my $files = aio_readdir playerdir $pl
1250	or return;	1717	or return;
1251		1718
1252	my @paths;	1719	my @paths;
1253		1720
1254	for (@$files) {	1721	for (@$files) {
1255	utf8::decode $_;	1722	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1723	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1724	next unless /^$PATH_SEP/o;
1258		1725
1259	s/$PATH_SEP/\//g;	1726	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1727	}
1262		1728
1263	\@paths	1729	\@paths
1264	}	1730	}
1265		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1736	=item $player->ext_reply ($msgid, @msg)
1267		1737
1268	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1269		1739
1270	=cut	1740	=cut
1271		1741
1272	sub ext_reply($$$%) {	1742	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1274		1744
1275	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1746	}
1279		1747
1280	package cf;	1748	=item $player->ext_msg ($type, @msg)
		1749
		1750	Sends an ext event to the client.
		1751
		1752	=cut
		1753
		1754	sub ext_msg($$@) {
		1755	my ($self, $type, @msg) = @_;
		1756
		1757	$self->ns->ext_msg ($type, @msg);
		1758	}
		1759
		1760	=head3 cf::region
		1761
		1762	=over 4
		1763
		1764	=cut
		1765
		1766	package cf::region;
		1767
		1768	=item cf::region::find_by_path $path
		1769
		1770	Tries to decuce the likely region for a map knowing only its path.
		1771
		1772	=cut
		1773
		1774	sub find_by_path($) {
		1775	my ($path) = @_;
		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
		1778
		1779	my ($match, $specificity);
		1780
		1781	for my $region (list) {
		1782	if ($region->{match} && $path =~ $region->{match}) {
		1783	($match, $specificity) = ($region, $region->specificity)
		1784	if $region->specificity > $specificity;
		1785	}
		1786	}
		1787
		1788	$match
		1789	}
1281		1790
1282	=back	1791	=back
1283
1284		1792
1285	=head3 cf::map	1793	=head3 cf::map
1286		1794
1287	=over 4	1795	=over 4
1288		1796
…		…
1291	package cf::map;	1799	package cf::map;
1292		1800
1293	use Fcntl;	1801	use Fcntl;
1294	use Coro::AIO;	1802	use Coro::AIO;
1295		1803
		1804	use overload
		1805	'""' => \&as_string,
		1806	fallback => 1;
		1807
1296	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1298		1810
1299	sub generate_random_map {	1811	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1301		1815
1302	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1817	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1825	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1826	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1827	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1828	(cf::region::find $rmp->{region}), $rmp->{custom}
		1829	)
1316	}	1830	}
1317		1831
1318	# and all this just because we cannot iterate over	1832	=item cf::map->register ($regex, $prio)
1319	# all maps in C++...
1320	sub change_all_map_light {
1321	my ($change) = @_;
1322		1833
1323	$_->change_map_light ($change)	1834	Register a handler for the map path matching the given regex at the
1324	for grep $_->outdoor, values %cf::MAP;	1835	givne priority (higher is better, built-in handlers have priority 0, the
1325	}	1836	default).
1326		1837
1327	sub try_load_header($) {	1838	=cut
		1839
		1840	sub register {
		1841	my (undef, $regex, $prio) = @_;
		1842	my $pkg = caller;
		1843
		1844	no strict;
		1845	push @{"$pkg\::ISA"}, __PACKAGE__;
		1846
		1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1848	}
		1849
		1850	# also paths starting with '/'
		1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1852
		1853	sub thawer_merge {
		1854	my ($self, $merge) = @_;
		1855
		1856	# we have to keep some variables in memory intact
		1857	local $self->{path};
		1858	local $self->{load_path};
		1859
		1860	$self->SUPER::thawer_merge ($merge);
		1861	}
		1862
		1863	sub normalise {
1328	my ($path) = @_;	1864	my ($path, $base) = @_;
		1865
		1866	$path = "$path"; # make sure its a string
		1867
		1868	$path =~ s/\.map$//;
		1869
		1870	# map plan:
		1871	#
		1872	# /! non-realised random map exit (special hack!)
		1873	# {... are special paths that are not being touched
		1874	# ?xxx/... are special absolute paths
		1875	# ?random/... random maps
		1876	# /... normal maps
		1877	# ~user/... per-player map of a specific user
		1878
		1879	$path =~ s/$PATH_SEP/\//go;
		1880
		1881	# treat it as relative path if it starts with
		1882	# something that looks reasonable
		1883	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1884	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1885
		1886	$base =~ s{[^/]+/?$}{};
		1887	$path = "$base/$path";
		1888	}
		1889
		1890	for ($path) {
		1891	redo if s{//}{/};
		1892	redo if s{/\.?/}{/};
		1893	redo if s{/[^/]+/\.\./}{/};
		1894	}
		1895
		1896	$path
		1897	}
		1898
		1899	sub new_from_path {
		1900	my (undef, $path, $base) = @_;
		1901
		1902	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1903
		1904	$path = normalise $path, $base;
		1905
		1906	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1907	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1908	my $self = bless cf::map::new, $pkg;
		1909	$self->{path} = $path; $self->path ($path);
		1910	$self->init; # pass $1 etc.
		1911	return $self;
		1912	}
		1913	}
		1914
		1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1916	()
		1917	}
		1918
		1919	sub init {
		1920	my ($self) = @_;
		1921
		1922	$self
		1923	}
		1924
		1925	sub as_string {
		1926	my ($self) = @_;
		1927
		1928	"$self->{path}"
		1929	}
		1930
		1931	# the displayed name, this is a one way mapping
		1932	sub visible_name {
		1933	&as_string
		1934	}
		1935
		1936	# the original (read-only) location
		1937	sub load_path {
		1938	my ($self) = @_;
		1939
		1940	"$MAPDIR/$self->{path}.map"
		1941	}
		1942
		1943	# the temporary/swap location
		1944	sub save_path {
		1945	my ($self) = @_;
		1946
		1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1948	"$TMPDIR/$path.map"
		1949	}
		1950
		1951	# the unique path, undef == no special unique path
		1952	sub uniq_path {
		1953	my ($self) = @_;
		1954
		1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1956	"$UNIQUEDIR/$path"
		1957	}
		1958
		1959	sub decay_objects {
		1960	my ($self) = @_;
		1961
		1962	return if $self->{deny_reset};
		1963
		1964	$self->do_decay_objects;
		1965	}
		1966
		1967	sub unlink_save {
		1968	my ($self) = @_;
		1969
		1970	utf8::encode (my $save = $self->save_path);
		1971	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1972	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1973	}
		1974
		1975	sub load_header_from($) {
		1976	my ($self, $path) = @_;
1329		1977
1330	utf8::encode $path;	1978	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1332	or return;	1980	or return;
1333		1981
1334	my $map = cf::map::new	1982	$self->_load_header ($f)
1335	or return;	1983	or return;
1336		1984
1337	# for better error messages only, will be overwritten	1985	local $MAP_LOADING{$self->{path}} = $self;
1338	$map->path ($path);	1986	$f->resolve_delayed_derefs;
1339		1987
1340	$map->load_header ($path)	1988	$self->{load_path} = $path;
		1989
		1990	1
		1991	}
		1992
		1993	sub load_header_orig {
		1994	my ($self) = @_;
		1995
		1996	$self->load_header_from ($self->load_path)
		1997	}
		1998
		1999	sub load_header_temp {
		2000	my ($self) = @_;
		2001
		2002	$self->load_header_from ($self->save_path)
		2003	}
		2004
		2005	sub prepare_temp {
		2006	my ($self) = @_;
		2007
		2008	$self->last_access ((delete $self->{last_access})
		2009	|| $cf::RUNTIME); #d#
		2010	# safety
		2011	$self->{instantiate_time} = $cf::RUNTIME
		2012	if $self->{instantiate_time} > $cf::RUNTIME;
		2013	}
		2014
		2015	sub prepare_orig {
		2016	my ($self) = @_;
		2017
		2018	$self->{load_original} = 1;
		2019	$self->{instantiate_time} = $cf::RUNTIME;
		2020	$self->last_access ($cf::RUNTIME);
		2021	$self->instantiate;
		2022	}
		2023
		2024	sub load_header {
		2025	my ($self) = @_;
		2026
		2027	if ($self->load_header_temp) {
		2028	$self->prepare_temp;
		2029	} else {
		2030	$self->load_header_orig
1341	or return;	2031	or return;
		2032	$self->prepare_orig;
		2033	}
1342		2034
1343	$map->{load_path} = $path;	2035	$self->{deny_reset} = 1
		2036	if $self->no_reset;
1344		2037
1345	$map	2038	$self->default_region (cf::region::find_by_path $self->{path})
		2039	unless $self->default_region;
		2040
		2041	1
1346	}	2042	}
1347		2043
1348	sub find;	2044	sub find;
1349	sub find {	2045	sub find {
1350	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1351		2047
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		2049
1357	cf::lock_wait "map_find:$key";	2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358
1359	$cf::MAP{$key} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1361		2052
1362	# do it the slow way	2053	$cf::MAP{$path} || do {
1363	my $map = try_load_header $path->save_path;	2054	my $map = new_from_path cf::map $path
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	2055	or return;
1381		2056
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1394		2058
1395	Coro::cede;	2059	$map->load_header
		2060	or return;
1396		2061
1397	if ($map->should_reset) {	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2063	# doing this can freeze the server in a sync job, obviously
		2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1398	$map->reset;	2067	$map->reset;
1399	undef $guard;
1400	$map = find $path	2068	return find $path;
1401	or return;
1402	}	2069	}
1403		2070
1404	$cf::MAP{$key} = $map	2071	$cf::MAP{$path} = $map
1405	}	2072	}
1406	}	2073	}
		2074
		2075	sub pre_load { }
		2076	#sub post_load { } # XS
1407		2077
1408	sub load {	2078	sub load {
1409	my ($self) = @_;	2079	my ($self) = @_;
1410		2080
		2081	local $self->{deny_reset} = 1; # loading can take a long time
		2082
1411	my $path = $self->{path};	2083	my $path = $self->{path};
		2084
		2085	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2086	my $guard = cf::lock_acquire "map_data:$path";
1413		2087
		2088	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2090
1416	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1417		2092
1418	$self->alloc;	2093	$self->alloc;
1419	$self->load_objects ($self->{load_path}, 1)	2094
		2095	$self->pre_load;
		2096	cf::cede_to_tick;
		2097
		2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
		2100	$self->_load_objects ($f)
1420	or return;	2101	or return;
1421		2102
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1423	if delete $self->{load_original};	2104	if delete $self->{load_original};
1424		2105
1425	if (my $uniq = $path->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2107	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2110	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1430	}	2114	}
1431	}	2115	}
1432		2116
1433	Coro::cede;	2117	$f->resolve_delayed_derefs;
1434		2118
		2119	cf::cede_to_tick;
1435	# now do the right thing for maps	2120	# now do the right thing for maps
1436	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	2123	unless $self->difficulty;
		2124	cf::cede_to_tick;
		2125
		2126	unless ($self->{deny_activate}) {
		2127	$self->decay_objects;
		2128	$self->fix_auto_apply;
		2129	$self->update_buttons;
		2130	cf::cede_to_tick;
1448	$self->activate;	2131	$self->activate;
1449	}	2132	}
1450		2133
1451	Coro::cede;	2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
1452		2136
1453	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
		2138	}
		2139
		2140	$self->post_load;
		2141	}
		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
		2146	sub customise_for {
		2147	my ($self, $ob) = @_;
		2148
		2149	return find "~" . $ob->name . "/" . $self->{path}
		2150	if $self->per_player;
		2151
		2152	# return find "?party/" . $ob->name . "/" . $self->{path}
		2153	# if $self->per_party;
		2154
		2155	$self
		2156	}
		2157
		2158	# find and load all maps in the 3x3 area around a map
		2159	sub load_neighbours {
		2160	my ($map) = @_;
		2161
		2162	my @neigh; # diagonal neighbours
		2163
		2164	for (0 .. 3) {
		2165	my $neigh = $map->tile_path ($_)
		2166	or next;
		2167	$neigh = find $neigh, $map
		2168	or next;
		2169	$neigh->load;
		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
		2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2175	}
		2176
		2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
		2179	my $neigh = find $path, $origin
		2180	or next;
		2181	$neigh->load;
		2182	}
1454	}	2183	}
1455		2184
1456	sub find_sync {	2185	sub find_sync {
1457	my ($path, $origin) = @_;	2186	my ($path, $origin) = @_;
1458		2187
1459	cf::sync_job { cf::map::find $path, $origin }	2188	cf::sync_job { find $path, $origin }
1460	}	2189	}
1461		2190
1462	sub do_load_sync {	2191	sub do_load_sync {
1463	my ($map) = @_;	2192	my ($map) = @_;
1464		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1465	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
		2198	}
		2199
		2200	our %MAP_PREFETCH;
		2201	our $MAP_PREFETCHER = undef;
		2202
		2203	sub find_async {
		2204	my ($path, $origin, $load) = @_;
		2205
		2206	$path = normalise $path, $origin && $origin->{path};
		2207
		2208	if (my $map = $cf::MAP{$path}) {
		2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2210	}
		2211
		2212	$MAP_PREFETCH{$path} |= $load;
		2213
		2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
		2217	while (%MAP_PREFETCH) {
		2218	while (my ($k, $v) = each %MAP_PREFETCH) {
		2219	if (my $map = find $k) {
		2220	$map->load if $v;
		2221	}
		2222
		2223	delete $MAP_PREFETCH{$k};
		2224	}
		2225	}
		2226	undef $MAP_PREFETCHER;
		2227	};
		2228	$MAP_PREFETCHER->prio (6);
		2229
		2230	()
		2231	}
		2232
		2233	# common code, used by both ->save and ->swapout
		2234	sub _save {
		2235	my ($self) = @_;
		2236
		2237	$self->{last_save} = $cf::RUNTIME;
		2238
		2239	return unless $self->dirty;
		2240
		2241	my $save = $self->save_path; utf8::encode $save;
		2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2243
		2244	$self->{load_path} = $save;
		2245
		2246	return if $self->{deny_save};
		2247
		2248	local $self->{last_access} = $self->last_access;#d#
		2249
		2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
		2252	$_->contr->save for $self->players;
		2253	};
		2254
		2255	cf::get_slot 0.02;
		2256
		2257	if ($uniq) {
		2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2260	} else {
		2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2262	}
1466	}	2263	}
1467		2264
1468	sub save {	2265	sub save {
1469	my ($self) = @_;	2266	my ($self) = @_;
1470		2267
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2269
1473	$self->{last_save} = $cf::RUNTIME;	2270	$self->_save;
1474
1475	return unless $self->dirty;
1476
1477	my $save = $self->{path}->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1479
1480	$self->{load_path} = $save;
1481
1482	return if $self->{deny_save};
1483
1484	local $self->{last_access} = $self->last_access;#d#
1485
1486	cf::async {
1487	$_->contr->save for $self->players;
1488	};
1489
1490	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}
1496	}	2271	}
1497		2272
1498	sub swap_out {	2273	sub swap_out {
1499	my ($self) = @_;	2274	my ($self) = @_;
1500		2275
1501	# save first because save cedes
1502	$self->save;
1503
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1506	return if $self->players;	2280	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;
1508	return if $self->{deny_save};
1509		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
1510	$self->clear;	2291	$self->clear;
1511	$self->in_memory (cf::MAP_SWAPPED);
1512	}	2292	}
1513		2293
1514	sub reset_at {	2294	sub reset_at {
1515	my ($self) = @_;	2295	my ($self) = @_;
1516		2296
1517	# TODO: safety, remove and allow resettable per-player maps	2297	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2298	return 1e99 if $self->{deny_reset};
1520		2299
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2300	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2301	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2302
…		…
1528	my ($self) = @_;	2307	my ($self) = @_;
1529		2308
1530	$self->reset_at <= $cf::RUNTIME	2309	$self->reset_at <= $cf::RUNTIME
1531	}	2310	}
1532		2311
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2312	sub reset {
1555	my ($self) = @_;	2313	my ($self) = @_;
1556		2314
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2316
1559	return if $self->players;	2317	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2318
1562	warn "resetting map ", $self->path;#d#	2319	warn "resetting map ", $self->path, "\n";
		2320
		2321	$self->in_memory (cf::MAP_SWAPPED);
		2322
		2323	# need to save uniques path
		2324	unless ($self->{deny_save}) {
		2325	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2326
		2327	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2328	if $uniq;
		2329	}
1563		2330
1564	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1565		2332
		2333	$self->deactivate;
1566	$_->clear_links_to ($self) for values %cf::MAP;	2334	$_->clear_links_to ($self) for values %cf::MAP;
		2335	$self->clear;
1567		2336
1568	$self->unlink_save;	2337	$self->unlink_save;
1569	$self->destroy;	2338	$self->destroy;
1570	}	2339	}
1571		2340
1572	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1573		2342
1574	sub nuke {	2343	sub nuke {
1575	my ($self) = @_;	2344	my ($self) = @_;
1576		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
		2349	delete $cf::MAP{$self->path};
		2350
		2351	$self->unlink_save;
		2352
		2353	bless $self, "cf::map::wrap";
		2354	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2358
		2359	$cf::MAP{$self->path} = $self;
		2360	}
		2361
1580	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
1581	}	2363	}
1582		2364
1583	sub customise_for {	2365	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2366
1586	if ($map->per_player) {	2367	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2368	maps. May block.
		2369
		2370	=cut
		2371
		2372	sub tmp_maps() {
1588	}	2373	[
1589		2374	map {
1590	$map	2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise $_
		2378	: ()
		2379	} @{ aio_readdir $TMPDIR or [] }
		2380	]
1591	}	2381	}
1592		2382
1593	sub emergency_save {	2383	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2384
1596	warn "enter emergency perl save\n";	2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	random maps. May block.
1597		2387
1598	cf::sync_job {	2388	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2389
1603	warn "begin emergency map save\n";	2390	sub random_maps() {
1604	$_->save for values %cf::MAP;	2391	[
1605	warn "end emergency map save\n";	2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise "?random/$_"
		2396	: ()
		2397	} @{ aio_readdir $RANDOMDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item cf::map::unique_maps
		2402
		2403	Returns an arrayref of paths of all shared maps that have
		2404	instantiated unique items. May block.
		2405
		2406	=cut
		2407
		2408	sub unique_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	s/\.map$//; # TODO future compatibility hack
		2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2414	? ()
		2415	: normalise $_
		2416	} @{ aio_readdir $UNIQUEDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
1606	};	2447	}
1607		2448
1608	warn "leave emergency perl save\n";	2449	\@maps
		2450	}
		2451
		2452	=back
		2453
		2454	=head3 cf::object
		2455
		2456	=cut
		2457
		2458	package cf::object;
		2459
		2460	=over 4
		2461
		2462	=item $ob->inv_recursive
		2463
		2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
		2466
		2467	=cut
		2468
		2469	sub inv_recursive_;
		2470	sub inv_recursive_ {
		2471	map { $_, inv_recursive_ $_->inv } @_
		2472	}
		2473
		2474	sub inv_recursive {
		2475	inv_recursive_ inv $_[0]
		2476	}
		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
1609	}	2504	}
1610		2505
1611	package cf;	2506	package cf;
1612		2507
1613	=back	2508	=back
1614
1615		2509
1616	=head3 cf::object::player	2510	=head3 cf::object::player
1617		2511
1618	=over 4	2512	=over 4
1619		2513
…		…
1622	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1623	can be C<undef>. Does the right thing when the player is currently in a	2517	can be C<undef>. Does the right thing when the player is currently in a
1624	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1625		2519
1626	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
1627		2535
1628	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2537	# with dialog boxes.
1630	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
1631	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1633		2541
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2543
1636	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1638	} else {	2547	} else {
		2548	my $pl = $self->contr;
		2549
		2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2551	my $dialog = $pl->{npc_dialog};
		2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2553
		2554	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1641	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
1642	}	2569	}
1643		2570
1644	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1645		2572
1646	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1659		2586
1660	=item $player_object->enter_link	2587	=item $player_object->enter_link
1661		2588
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2590
1664	The player should be reaosnably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
1665	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
		2595
		2596	Will never block.
1666		2597
1667	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1668		2599
1669	Moves the player out of the specila link map onto the given map. If the	2600	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2601	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2602	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2603	fails, to the emergency map position.
1673		2604
1674	Might block.	2605	Might block.
1675		2606
1676	=cut	2607	=cut
		2608
		2609	sub link_map {
		2610	unless ($LINK_MAP) {
		2611	$LINK_MAP = cf::map::find "{link}"
		2612	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2613	$LINK_MAP->load;
		2614	}
		2615
		2616	$LINK_MAP
		2617	}
1677		2618
1678	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2620	my ($self) = @_;
1680		2621
1681	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
1682		2623
1683	return if $self->map == $LINK_MAP;	2624	++$self->{_link_recursion};
		2625
		2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2627
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2629	if $self->map && $self->map->{path} ne "{link}";
1687		2630
1688	$self->enter_map ($LINK_MAP, 20, 20);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1689	}	2632	}
1690		2633
1691	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
		2636
		2637	return unless $self->contr->active;
1693		2638
1694	my $link_pos = delete $self->{_link_pos};	2639	my $link_pos = delete $self->{_link_pos};
1695		2640
1696	unless ($map) {	2641	unless ($map) {
1697	# restore original map position	2642	# restore original map position
…		…
1708	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
1709	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
1710		2655
1711	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
1714		2659
1715	$map->load;	2660	$map->load;
		2661	$map->load_neighbours;
1716		2662
1717	return unless $self->contr->active;	2663	return unless $self->contr->active;
		2664
		2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2666	if ($self->enter_map ($map, $x, $y)) {
		2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
1718	$self->activate_recursive;	2670	$self->activate_recursive;
1719	$self->enter_map ($map, $x, $y);
1720	}
1721
1722	cf::player->attach (
1723	on_logout => sub {
1724	my ($pl) = @_;
1725
1726	# abort map switching before logout
1727	if ($pl->ob->{_link_pos}) {
1728	cf::sync_job {
1729	$pl->ob->leave_link
1730	};
1731	}
1732	},	2671	}
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2672
1736	# try to abort aborted map switching on player login :)	2673	}
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753		2674
1754	=item $player_object->goto ($path, $x, $y)	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1755		2676
		2677	Moves the player to the given map-path and coordinates by first freezing
		2678	her, loading and preparing them map, calling the provided $check callback
		2679	that has to return the map if sucecssful, and then unfreezes the player on
		2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
		2685
1756	=cut	2686	=cut
		2687
		2688	our $GOTOGEN;
1757		2689
1758	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2692
1761	$path = new cf::path $path;	2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
1762	$path ne "/" or Carp::cluck ("oy");#d#	2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
		2698
		2699	# do generation counting so two concurrent goto's will be executed in-order
		2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2701
1764	$self->enter_link;	2702	$self->enter_link;
1765		2703
1766	(async {	2704	(async {
1767	my $map = cf::map::find $path->as_string;	2705	$Coro::current->{desc} = "player::goto $path $x $y";
		2706
		2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
		2726	my $map = eval {
		2727	my $map = defined $path ? cf::map::find $path : undef;
		2728
		2729	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2730	$map = $map->customise_for ($self);
1769		2731	$map = $check->($map, $x, $y, $self) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2732	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2734	}
1774		2735
		2736	$map
		2737	};
		2738
		2739	if ($@) {
		2740	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	LOG llevError | logBacktrace, Carp::longmess $@;
		2742	}
		2743
		2744	if ($gen == $self->{_goto_generation}) {
		2745	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
		2747	}
		2748
		2749	$done->($self) if $done;
1776	})->prio (1);	2750	})->prio (1);
1777	}	2751	}
1778		2752
1779	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
1780		2754
…		…
1782		2756
1783	sub parse_random_map_params {	2757	sub parse_random_map_params {
1784	my ($spec) = @_;	2758	my ($spec) = @_;
1785		2759
1786	my $rmp = { # defaults	2760	my $rmp = { # defaults
1787	xsize => 10,	2761	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2762	ysize => (cf::rndm 15, 40),
		2763	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2764	#layout => string,
1789	};	2765	};
1790		2766
1791	for (split /\n/, $spec) {	2767	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2768	my ($k, $v) = split /\s+/, $_, 2;
1793		2769
…		…
1805	# that depends on the exit object	2781	# that depends on the exit object
1806		2782
1807	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
1808		2784
1809	if ($exit->map) {	2785	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2786	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
1814	}	2792	}
1815		2793
1816	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
1817		2795
1818	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1819	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
		2798	my $meta = "$RANDOMDIR/$md5.meta";
1820		2799
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
		2802	undef $fh;
		2803	aio_rename "$meta~", $meta;
1823		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
1824	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
1826	}	2811	}
1827	}	2812	}
1828		2813
1829	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
…		…
1832	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
1833		2818
1834	$self->enter_link;	2819	$self->enter_link;
1835		2820
1836	(async {	2821	(async {
1837	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
1838	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
1839	prepare_random_map $exit	2831	prepare_random_map $exit
1840	if $exit->slaying eq "/!";	2832	if $exit->slaying eq "/!";
		2833	}
1841		2834
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
1844		2838
		2839	$self->goto ($map, $x, $y);
		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
1845	1;	2845	1
1846	}) {	2846	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
1848	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2849	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2851
1852	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2853	$self->leave_link;
1854	}	2854	}
1855	})->prio (1);	2855	})->prio (1);
…		…
1868		2868
1869	sub cf::client::send_drawinfo {	2869	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2870	my ($self, $text, $flags) = @_;
1871		2871
1872	utf8::encode $text;	2872	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2874	}
1875		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2902
		2903	Send a drawinfo or msg packet to the client, formatting the msg for the
		2904	client if neccessary. C<$type> should be a string identifying the type of
		2905	the message, with C<log> being the default. If C<$color> is negative, suppress
		2906	the message unless the client supports the msg packet.
		2907
		2908	=cut
		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
		3024	sub cf::client::send_msg {
		3025	my ($self, $channel, $msg, $color, @extra) = @_;
		3026
		3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
		3048
		3049	return unless @extra || length $msg;
		3050
		3051	# default colour, mask it out
		3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3053	if $color & cf::NDI_DEF;
		3054
		3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
		3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3058	);
		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
		3063	=item $client->ext_msg ($type, @msg)
		3064
		3065	Sends an ext event to the client.
		3066
		3067	=cut
		3068
		3069	sub cf::client::ext_msg($$@) {
		3070	my ($self, $type, @msg) = @_;
		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
		3075	push @msg, msgtype => "event_$type";
		3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
1876		3097
1877	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
1878		3099
1879	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3101	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3102	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		3103
1883	Queries can fail, so check the return code. Or don't, as queries will become	3104	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	3105	become reliable at some point in the future.
1885		3106
1886	=cut	3107	=cut
1887		3108
1888	sub cf::client::query {	3109	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	3118	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		3120
1900	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
1902	}	3125	}
1903		3126
1904	cf::client->attach (	3127	cf::client->attach (
		3128	on_connect => sub {
		3129	my ($ns) = @_;
		3130
		3131	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3132	},
1905	on_reply => sub {	3133	on_reply => sub {
1906	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
1907		3135
1908	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
1909	# get handled first	3137	# get handled first
1910	my $queue = delete $ns->{query_queue}	3138	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	3139	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		3140
1913	(shift @$queue)->[1]->($msg);	3141	(shift @$queue)->[1]->($msg);
		3142	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		3143
1915	push @{ $ns->{query_queue} }, @$queue;	3144	push @{ $ns->{query_queue} }, @$queue;
1916		3145
1917	if (@{ $ns->{query_queue} } == @$queue) {	3146	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	3147	if (@$queue) {
…		…
1920	} else {	3149	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	3151	}
1923	}	3152	}
1924	},	3153	},
		3154	on_exticmd => sub {
		3155	my ($ns, $buf) = @_;
		3156
		3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3158
		3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
		3167	if (my $cb = $EXTICMD{$type}) {
		3168	@reply = $cb->($ns, @payload);
		3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
		3174	} else {
		3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3176	}
		3177
		3178	cf::override;
		3179	},
1925	);	3180	);
1926		3181
1927	=item $client->async (\&cb)	3182	=item $client->async (\&cb)
1928		3183
1929	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
…		…
1945		3200
1946	$coro	3201	$coro
1947	}	3202	}
1948		3203
1949	cf::client->attach (	3204	cf::client->attach (
1950	on_destroy => sub {	3205	on_client_destroy => sub {
1951	my ($ns) = @_;	3206	my ($ns) = @_;
1952		3207
1953	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1954	},	3209	},
1955	);	3210	);
…		…
1970	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
1972		3227
1973	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
1974		3229
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
1976		3235
1977	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
1978		3237
1979	=pod	3238	=pod
1980		3239
1981	The following fucntions and emthods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
1982		3241
1983	cf::object contr pay_amount pay_player map	3242	cf::object
		3243	contr pay_amount pay_player map x y force_find force_add destroy
		3244	insert remove name archname title slaying race decrease split
		3245	value
		3246
1984	cf::object::player player	3247	cf::object::player
1985	cf::player peaceful	3248	player
1986	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
1987		3255
1988	=cut	3256	=cut
1989		3257
1990	for (	3258	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
1992	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
1994	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
1995	) {	3265	) {
1996	no strict 'refs';	3266	no strict 'refs';
1997	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
1998	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2016		3286
2017	my $qcode = $code;	3287	my $qcode = $code;
2018	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2019	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2020		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2021	local $_;	3294	local $_;
2022	local @safe::cf::_safe_eval_args = values %vars;
2023		3295
2024	my $eval =	3296	my $eval =
2025	"do {\n"	3297	"do {\n"
2026	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2027	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2028	. $code	3300	. $code
2029	. "\n}"	3301	. "\n}"
2030	;	3302	;
2031		3303
		3304	if ($CFG{safe_eval}) {
2032	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2033	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2034	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
2035		3313
2036	if ($@) {	3314	if ($@) {
2037	warn "$@";	3315	warn "$@";
2038	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2039	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2058	=cut	3336	=cut
2059		3337
2060	sub register_script_function {	3338	sub register_script_function {
2061	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2062		3340
2063	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2064	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2065	}	3343	}
2066		3344
2067	=back	3345	=back
2068		3346
2069	=cut	3347	=cut
2070		3348
2071	#############################################################################	3349	#############################################################################
		3350	# the server's init and main functions
2072		3351
2073	=head2 EXTENSION DATABASE SUPPORT	3352	sub load_facedata($) {
		3353	my ($path) = @_;
2074		3354
2075	Crossfire maintains a very simple database for extension use. It can	3355	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	3356	# for this (global event?)
2077	excludes objects.	3357	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		3358
2079	The parameter C<$family> should best start with the name of the extension	3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		3360
2082	=over 4	3361	warn "loading facedata from $path\n";
2083		3362
2084	=item $hashref = cf::db_get $family	3363	my $facedata;
		3364	0 < aio_load $path, $facedata
		3365	or die "$path: $!";
2085		3366
2086	Return a hashref for use by the extension C<$family>, which can be	3367	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		3368
2090	=item $value = cf::db_get $family => $key	3369	$facedata->{version} == 2
		3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		3371
2092	Returns a single value from the database	3372	# patch in the exptable
2093		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2094	=item cf::db_put $family => $hashref	3374	$facedata->{resource}{"res/exp_table"} = {
2095		3375	type => FT_RSRC,
2096	Stores the given family hashref into the database. Updates are delayed, if	3376	data => $exp_table,
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3377	hash => (Digest::MD5::md5 $exp_table),
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	3378	};
		3379	cf::cede_to_tick;
2145		3380
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	3381	{
		3382	my $faces = $facedata->{faceinfo};
2150		3383
2151	sub db_get($;$) {	3384	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		3386
2157	sub db_put($$;$) {	3387	cf::face::set_visibility $idx, $info->{visibility};
2158	if (@_ >= 3) {	3388	cf::face::set_magicmap $idx, $info->{magicmap};
2159	$DB->{$_[0]}{$_[1]} = $_[2];	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2160	} else {	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		3391
2166	cf::global->attach (	3392	cf::cede_to_tick;
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	3393	}
2171	);
2172	}
2173		3394
2174	#############################################################################	3395	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	3396	next unless $info->{smooth};
2176		3397
2177	sub cfg_load {	3398	my $idx = cf::face::find $face
		3399	or next;
		3400
		3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
		3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3404	} else {
		3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3406	}
		3407
		3408	cf::cede_to_tick;
		3409	}
		3410	}
		3411
		3412	{
		3413	my $anims = $facedata->{animinfo};
		3414
		3415	while (my ($anim, $info) = each %$anims) {
		3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3417	cf::cede_to_tick;
		3418	}
		3419
		3420	cf::anim::invalidate_all; # d'oh
		3421	}
		3422
		3423	{
		3424	my $res = $facedata->{resource};
		3425
		3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
		3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3431	cf::face::set_type $idx, $info->{type};
		3432	} else {
		3433	$RESOURCE{$name} = $info; # unused
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
		3442	1
		3443	}
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
		3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	load_resource_file "$MAPDIR/regions"
		3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
		3475	}
		3476
		3477	sub reload_facedata {
		3478	load_facedata "$DATADIR/facedata"
		3479	or die "unable to load facedata\n";
		3480	}
		3481
		3482	sub reload_archetypes {
		3483	load_resource_file "$DATADIR/archetypes"
		3484	or die "unable to load archetypes\n";
		3485	}
		3486
		3487	sub reload_treasures {
		3488	load_resource_file "$DATADIR/treasures"
		3489	or die "unable to load treasurelists\n";
		3490	}
		3491
		3492	sub reload_sound {
		3493	warn "loading sound config from $DATADIR/sound\n";
		3494
		3495	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3496	or die "$DATADIR/sound $!";
		3497
		3498	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3499
		3500	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3501	my $sound = $soundconf->{compat}[$_]
		3502	or next;
		3503
		3504	my $face = cf::face::find "sound/$sound->[1]";
		3505	cf::sound::set $sound->[0] => $face;
		3506	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3507	}
		3508
		3509	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3510	my $face = cf::face::find "sound/$v";
		3511	cf::sound::set $k => $face;
		3512	}
		3513	}
		3514
		3515	sub reload_resources {
		3516	warn "reloading resource files...\n";
		3517
		3518	reload_facedata;
		3519	reload_sound;
		3520	reload_archetypes;
		3521	reload_regions;
		3522	reload_treasures;
		3523
		3524	warn "finished reloading resource files\n";
		3525	}
		3526
		3527	sub reload_config {
		3528	warn "reloading config file...\n";
		3529
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3530	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3531	or return;
2180		3532
2181	local $/;	3533	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3534	*CFG = YAML::XS::Load scalar <$fh>;
2183		3535
2184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3536	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2185		3537
2186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3538	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3539	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2188		3540
2189	if (exists $CFG{mlockall}) {	3541	if (exists $CFG{mlockall}) {
…		…
2191	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3543	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2192	and die "WARNING: m(un)lockall failed: $!\n";	3544	and die "WARNING: m(un)lockall failed: $!\n";
2193	};	3545	};
2194	warn $@ if $@;	3546	warn $@ if $@;
2195	}	3547	}
		3548
		3549	warn "finished reloading resource files\n";
		3550	}
		3551
		3552	sub pidfile() {
		3553	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3554	or die "$PIDFILE: $!";
		3555	flock $fh, &Fcntl::LOCK_EX
		3556	or die "$PIDFILE: flock: $!";
		3557	$fh
		3558	}
		3559
		3560	# make sure only one server instance is running at any one time
		3561	sub atomic {
		3562	my $fh = pidfile;
		3563
		3564	my $pid = <$fh>;
		3565	kill 9, $pid if $pid > 0;
		3566
		3567	seek $fh, 0, 0;
		3568	print $fh $$;
		3569	}
		3570
		3571	sub main_loop {
		3572	warn "EV::loop starting\n";
		3573	if (1) {
		3574	EV::loop;
		3575	}
		3576	warn "EV::loop returned\n";
		3577	goto &main_loop unless $REALLY_UNLOOP;
2196	}	3578	}
2197		3579
2198	sub main {	3580	sub main {
		3581	cf::init_globals; # initialise logging
		3582
		3583	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3584	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3585	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3586	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3587
		3588	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3589
2199	# we must not ever block the main coroutine	3590	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3591	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3592	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2202	async { Event::one_event };	3593	(async {
		3594	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3595	EV::loop EV::LOOP_ONESHOT;
		3596	})->prio (Coro::PRIO_MAX);
2203	};	3597	};
2204		3598
2205	cfg_load;	3599	evthread_start IO::AIO::poll_fileno;
2206	db_load;	3600
		3601	cf::sync_job {
		3602	cf::init_experience;
		3603	cf::init_anim;
		3604	cf::init_attackmess;
		3605	cf::init_dynamic;
		3606
		3607	cf::load_settings;
		3608	cf::load_materials;
		3609
		3610	reload_resources;
		3611	reload_config;
		3612	db_init;
		3613
		3614	cf::init_uuid;
		3615	cf::init_signals;
		3616	cf::init_skills;
		3617
		3618	cf::init_beforeplay;
		3619
		3620	atomic;
		3621
2207	load_extensions;	3622	load_extensions;
2208	Event::loop;	3623
		3624	utime time, time, $RUNTIMEFILE;
		3625
		3626	# no (long-running) fork's whatsoever before this point(!)
		3627	use POSIX ();
		3628	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3629
		3630	(pop @POST_INIT)->(0) while @POST_INIT;
		3631	};
		3632
		3633	cf::object::thawer::errors_are_fatal 0;
		3634	warn "parse errors in files are no longer fatal from this point on.\n";
		3635
		3636	main_loop;
2209	}	3637	}
2210		3638
2211	#############################################################################	3639	#############################################################################
2212	# initialisation	3640	# initialisation and cleanup
2213		3641
		3642	# install some emergency cleanup handlers
		3643	BEGIN {
		3644	our %SIGWATCHER = ();
		3645	for my $signal (qw(INT HUP TERM)) {
		3646	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3647	cf::cleanup "SIG$signal";
		3648	};
		3649	}
		3650	}
		3651
		3652	sub write_runtime_sync {
		3653	my $t0 = AE::time;
		3654
		3655	# first touch the runtime file to show we are still running:
		3656	# the fsync below can take a very very long time.
		3657
		3658	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3659
		3660	my $guard = cf::lock_acquire "write_runtime";
		3661
		3662	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3663	or return;
		3664
		3665	my $value = $cf::RUNTIME + 90 + 10;
		3666	# 10 is the runtime save interval, for a monotonic clock
		3667	# 60 allows for the watchdog to kill the server.
		3668
		3669	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3670	and return;
		3671
		3672	# always fsync - this file is important
		3673	aio_fsync $fh
		3674	and return;
		3675
		3676	# touch it again to show we are up-to-date
		3677	aio_utime $fh, undef, undef;
		3678
		3679	close $fh
		3680	or return;
		3681
		3682	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3683	and return;
		3684
		3685	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3686
		3687	1
		3688	}
		3689
		3690	our $uuid_lock;
		3691	our $uuid_skip;
		3692
		3693	sub write_uuid_sync($) {
		3694	$uuid_skip ||= $_[0];
		3695
		3696	return if $uuid_lock;
		3697	local $uuid_lock = 1;
		3698
		3699	my $uuid = "$LOCALDIR/uuid";
		3700
		3701	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3702	or return;
		3703
		3704	my $value = uuid_seq uuid_cur;
		3705
		3706	unless ($value) {
		3707	warn "cowardly refusing to write zero uuid value!\n";
		3708	return;
		3709	}
		3710
		3711	my $value = uuid_str $value + $uuid_skip;
		3712	$uuid_skip = 0;
		3713
		3714	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3715	and return;
		3716
		3717	# always fsync - this file is important
		3718	aio_fsync $fh
		3719	and return;
		3720
		3721	close $fh
		3722	or return;
		3723
		3724	aio_rename "$uuid~", $uuid
		3725	and return;
		3726
		3727	warn "uuid file written ($value).\n";
		3728
		3729	1
		3730
		3731	}
		3732
		3733	sub write_uuid($$) {
		3734	my ($skip, $sync) = @_;
		3735
		3736	$sync ? write_uuid_sync $skip
		3737	: async { write_uuid_sync $skip };
		3738	}
		3739
		3740	sub emergency_save() {
		3741	my $freeze_guard = cf::freeze_mainloop;
		3742
		3743	warn "emergency_perl_save: enter\n";
		3744
		3745	cf::sync_job {
		3746	# this is a trade-off: we want to be very quick here, so
		3747	# save all maps without fsync, and later call a global sync
		3748	# (which in turn might be very very slow)
		3749	local $USE_FSYNC = 0;
		3750
		3751	# use a peculiar iteration method to avoid tripping on perl
		3752	# refcount bugs in for. also avoids problems with players
		3753	# and maps saved/destroyed asynchronously.
		3754	warn "emergency_perl_save: begin player save\n";
		3755	for my $login (keys %cf::PLAYER) {
		3756	my $pl = $cf::PLAYER{$login} or next;
		3757	$pl->valid or next;
		3758	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3759	$pl->save;
		3760	}
		3761	warn "emergency_perl_save: end player save\n";
		3762
		3763	warn "emergency_perl_save: begin map save\n";
		3764	for my $path (keys %cf::MAP) {
		3765	my $map = $cf::MAP{$path} or next;
		3766	$map->valid or next;
		3767	$map->save;
		3768	}
		3769	warn "emergency_perl_save: end map save\n";
		3770
		3771	warn "emergency_perl_save: begin database checkpoint\n";
		3772	BDB::db_env_txn_checkpoint $DB_ENV;
		3773	warn "emergency_perl_save: end database checkpoint\n";
		3774
		3775	warn "emergency_perl_save: begin write uuid\n";
		3776	write_uuid_sync 1;
		3777	warn "emergency_perl_save: end write uuid\n";
		3778	};
		3779
		3780	warn "emergency_perl_save: starting sync()\n";
		3781	IO::AIO::aio_sync sub {
		3782	warn "emergency_perl_save: finished sync()\n";
		3783	};
		3784
		3785	warn "emergency_perl_save: leave\n";
		3786	}
		3787
		3788	sub post_cleanup {
		3789	my ($make_core) = @_;
		3790
		3791	warn Carp::longmess "post_cleanup backtrace"
		3792	if $make_core;
		3793
		3794	my $fh = pidfile;
		3795	unlink $PIDFILE if <$fh> == $$;
		3796	}
		3797
		3798	# a safer delete_package, copied from Symbol
		3799	sub clear_package($) {
		3800	my $pkg = shift;
		3801
		3802	# expand to full symbol table name if needed
		3803	unless ($pkg =~ /^main::.*::$/) {
		3804	$pkg = "main$pkg" if $pkg =~ /^::/;
		3805	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3806	$pkg .= '::' unless $pkg =~ /::$/;
		3807	}
		3808
		3809	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3810	my $stem_symtab = *{$stem}{HASH};
		3811
		3812	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3813	or return;
		3814
		3815	# clear all symbols
		3816	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3817	for my $name (keys %$leaf_symtab) {
		3818	_gv_clear *{"$pkg$name"};
		3819	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3820	}
		3821	}
		3822
2214	sub reload() {	3823	sub do_reload_perl() {
2215	# can/must only be called in main	3824	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3825	if (in_main) {
2217	warn "can only reload from main coroutine\n";	3826	warn "can only reload from main coroutine";
2218	return;	3827	return;
2219	}	3828	}
2220		3829
		3830	return if $RELOAD++;
		3831
		3832	my $t1 = AE::time;
		3833
		3834	while ($RELOAD) {
2221	warn "reloading...";	3835	warn "reloading...";
2222		3836
2223	my $guard = freeze_mainloop;	3837	warn "entering sync_job";
		3838
		3839	cf::sync_job {
		3840	cf::write_runtime_sync; # external watchdog should not bark
2224	cf::emergency_save;	3841	cf::emergency_save;
		3842	cf::write_runtime_sync; # external watchdog should not bark
2225		3843
2226	eval {	3844	warn "syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
2227	# if anything goes wrong in here, we should simply crash as we already saved	3847	# if anything goes wrong in here, we should simply crash as we already saved
2228		3848
2229	# cancel all watchers	3849	warn "flushing outstanding aio requests";
2230	for (Event::all_watchers) {	3850	while (IO::AIO::nreqs || BDB::nreqs) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3851	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2232	}
2233
2234	# cancel all extension coros
2235	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();
2237
2238	# unload all extensions
2239	for (@exts) {
2240	warn "unloading <$_>";
2241	unload_extension $_;
2242	}
2243
2244	# unload all modules loaded from $LIBDIR
2245	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247
2248	warn "removing <$k>";
2249	delete $INC{$k};
2250
2251	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;
2253
2254	if (my $cb = $k->can ("unload_module")) {
2255	$cb->();
2256	}	3852	}
2257		3853
2258	Symbol::delete_package $k;	3854	warn "cancelling all extension coros";
		3855	$_->cancel for values %EXT_CORO;
		3856	%EXT_CORO = ();
		3857
		3858	warn "removing commands";
		3859	%COMMAND = ();
		3860
		3861	warn "removing ext/exti commands";
		3862	%EXTCMD = ();
		3863	%EXTICMD = ();
		3864
		3865	warn "unloading/nuking all extensions";
		3866	for my $pkg (@EXTS) {
		3867	warn "... unloading $pkg";
		3868
		3869	if (my $cb = $pkg->can ("unload")) {
		3870	eval {
		3871	$cb->($pkg);
		3872	1
		3873	} or warn "$pkg unloaded, but with errors: $@";
		3874	}
		3875
		3876	warn "... clearing $pkg";
		3877	clear_package $pkg;
2259	}	3878	}
2260		3879
2261	# sync database to disk	3880	warn "unloading all perl modules loaded from $LIBDIR";
2262	cf::db_sync;	3881	while (my ($k, $v) = each %INC) {
2263	IO::AIO::flush;	3882	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2264		3883
		3884	warn "... unloading $k";
		3885	delete $INC{$k};
		3886
		3887	$k =~ s/\.pm$//;
		3888	$k =~ s/\//::/g;
		3889
		3890	if (my $cb = $k->can ("unload_module")) {
		3891	$cb->();
		3892	}
		3893
		3894	clear_package $k;
		3895	}
		3896
2265	# get rid of safe::, as good as possible	3897	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3898	clear_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3899	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3900
2269	# remove register_script_function callbacks	3901	warn "unloading cf.pm \"a bit\"";
2270	# TODO
2271
2272	# unload cf.pm "a bit"
2273	delete $INC{"cf.pm"};	3902	delete $INC{"cf.pm"};
		3903	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2274		3904
2275	# don't, removes xs symbols, too,	3905	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3906	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3907	#clear_package __PACKAGE__;
2278		3908
2279	# reload cf.pm	3909	warn "unload completed, starting to reload now";
		3910
2280	warn "reloading cf.pm";	3911	warn "reloading cf.pm";
2281	require cf;	3912	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3913	cf::_connect_to_perl_1;
2283		3914
2284	# load config and database again	3915	warn "loading config and database again";
2285	cf::cfg_load;	3916	cf::reload_config;
2286	cf::db_load;
2287		3917
2288	# load extensions
2289	warn "load extensions";	3918	warn "loading extensions";
2290	cf::load_extensions;	3919	cf::load_extensions;
2291		3920
2292	# reattach attachments to objects	3921	if ($REATTACH_ON_RELOAD) {
2293	warn "reattach";	3922	warn "reattaching attachments to objects/players";
2294	_global_reattach;	3923	_global_reattach; # objects, sockets
		3924	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3925	reattach $_ for values %MAP;
		3926	warn "reattaching attachments to players";
		3927	reattach $_ for values %PLAYER;
		3928	}
		3929
		3930	warn "running post_init jobs";
		3931	(pop @POST_INIT)->(1) while @POST_INIT;
		3932
		3933	warn "leaving sync_job";
		3934
		3935	1
		3936	} or do {
		3937	warn $@;
		3938	cf::cleanup "error while reloading, exiting.";
		3939	};
		3940
		3941	warn "reloaded";
		3942	--$RELOAD;
		3943	}
		3944
		3945	$t1 = AE::time - $t1;
		3946	warn "reload completed in ${t1}s\n";
		3947	};
		3948
		3949	our $RELOAD_WATCHER; # used only during reload
		3950
		3951	sub reload_perl() {
		3952	# doing reload synchronously and two reloads happen back-to-back,
		3953	# coro crashes during coro_state_free->destroy here.
		3954
		3955	$RELOAD_WATCHER ||= cf::async {
		3956	Coro::AIO::aio_wait cache_extensions;
		3957
		3958	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3959	do_reload_perl;
		3960	undef $RELOAD_WATCHER;
		3961	};
2296	};	3962	};
2297
2298	if ($@) {
2299	warn $@;
2300	warn "error while reloading, exiting.";
2301	exit 1;
2302	}
2303
2304	warn "reloaded successfully";
2305	};
2306
2307	#############################################################################
2308
2309	unless ($LINK_MAP) {
2310	$LINK_MAP = cf::map::new;
2311
2312	$LINK_MAP->width (41);
2313	$LINK_MAP->height (41);
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3963	}
2349
2350	register "<global>", __PACKAGE__;
2351		3964
2352	register_command "reload" => sub {	3965	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3966	my ($who, $arg) = @_;
2354		3967
2355	if ($who->flag (FLAG_WIZ)) {	3968	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3969	$who->message ("reloading server.");
		3970	async {
		3971	$Coro::current->{desc} = "perl_reload";
		3972	reload_perl;
		3973	};
2359	}	3974	}
2360	};	3975	};
2361		3976
2362	unshift @INC, $LIBDIR;	3977	unshift @INC, $LIBDIR;
2363		3978
2364	$TICK_WATCHER = Event->timer (	3979	my $bug_warning = 0;
2365	reentrant => 0,	3980
2366	prio => 0,	3981	our @WAIT_FOR_TICK;
2367	at => $NEXT_TICK || $TICK,	3982	our @WAIT_FOR_TICK_BEGIN;
2368	data => WF_AUTOCANCEL,	3983
2369	cb => sub {	3984	sub wait_for_tick {
		3985	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3986
		3987	my $signal = new Coro::Signal;
		3988	push @WAIT_FOR_TICK, $signal;
		3989	$signal->wait;
		3990	}
		3991
		3992	sub wait_for_tick_begin {
		3993	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3994
		3995	my $signal = new Coro::Signal;
		3996	push @WAIT_FOR_TICK_BEGIN, $signal;
		3997	$signal->wait;
		3998	}
		3999
		4000	sub tick {
		4001	if ($Coro::current != $Coro::main) {
		4002	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4003	unless ++$bug_warning > 10;
		4004	return;
		4005	}
		4006
2370	cf::server_tick; # one server iteration	4007	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;
2373		4008
2374	# if we are delayed by four ticks or more, skip them all	4009	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		4010
2377	$TICK_WATCHER->at ($NEXT_TICK);	4011	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2378	$TICK_WATCHER->start;	4012	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2379	},	4013	Coro::async_pool {
2380	);	4014	$Coro::current->{desc} = "runtime saver";
2381
2382	IO::AIO::max_poll_time $TICK * 0.2;
2383
2384	Event->io (
2385	fd => IO::AIO::poll_fileno,
2386	poll => 'r',
2387	prio => 5,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,
2394	after => 0,
2395	interval => 10,
2396	cb => sub {
2397	(Coro::unblock_sub {
2398	write_runtime	4015	write_runtime_sync
2399	or warn "ERROR: unable to write runtime file: $!";	4016	or warn "ERROR: unable to write runtime file: $!";
2400	})->();	4017	};
2401	},	4018	}
2402	);	4019
		4020	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4021	$sig->send;
		4022	}
		4023	while (my $sig = shift @WAIT_FOR_TICK) {
		4024	$sig->send;
		4025	}
		4026
		4027	$LOAD = ($NOW - $TICK_START) / $TICK;
		4028	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4029
		4030	if (0) {
		4031	if ($NEXT_TICK) {
		4032	my $jitter = $TICK_START - $NEXT_TICK;
		4033	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4034	warn "jitter $JITTER\n";#d#
		4035	}
		4036	}
		4037	}
		4038
		4039	{
		4040	# configure BDB
		4041
		4042	BDB::min_parallel 16;
		4043	BDB::max_poll_reqs $TICK * 0.1;
		4044	$AnyEvent::BDB::WATCHER->priority (1);
		4045
		4046	unless ($DB_ENV) {
		4047	$DB_ENV = BDB::db_env_create;
		4048	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4049	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4050	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4051	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4052	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4053
		4054	cf::sync_job {
		4055	eval {
		4056	BDB::db_env_open
		4057	$DB_ENV,
		4058	$BDBDIR,
		4059	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4060	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4061	0666;
		4062
		4063	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4064	};
		4065
		4066	cf::cleanup "db_env_open(db): $@" if $@;
		4067	};
		4068	}
		4069
		4070	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4071	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4072	};
		4073	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4074	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4075	};
		4076	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4077	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4078	};
		4079	}
		4080
		4081	{
		4082	# configure IO::AIO
		4083
		4084	IO::AIO::min_parallel 8;
		4085	IO::AIO::max_poll_time $TICK * 0.1;
		4086	undef $AnyEvent::AIO::WATCHER;
		4087	}
		4088
		4089	my $_log_backtrace;
		4090
		4091	sub _log_backtrace {
		4092	my ($msg, @addr) = @_;
		4093
		4094	$msg =~ s/\n//;
		4095
		4096	# limit the # of concurrent backtraces
		4097	if ($_log_backtrace < 2) {
		4098	++$_log_backtrace;
		4099	my $perl_bt = Carp::longmess $msg;
		4100	async {
		4101	$Coro::current->{desc} = "abt $msg";
		4102
		4103	my @bt = fork_call {
		4104	@addr = map { sprintf "%x", $_ } @addr;
		4105	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4106	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4107	or die "addr2line: $!";
		4108
		4109	my @funcs;
		4110	my @res = <$fh>;
		4111	chomp for @res;
		4112	while (@res) {
		4113	my ($func, $line) = splice @res, 0, 2, ();
		4114	push @funcs, "[$func] $line";
		4115	}
		4116
		4117	@funcs
		4118	};
		4119
		4120	LOG llevInfo, "[ABT] $perl_bt\n";
		4121	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4122	LOG llevInfo, "[ABT] $_\n" for @bt;
		4123	--$_log_backtrace;
		4124	};
		4125	} else {
		4126	LOG llevInfo, "[ABT] $msg\n";
		4127	LOG llevInfo, "[ABT] [suppressed]\n";
		4128	}
		4129	}
		4130
		4131	# load additional modules
		4132	require "cf/$_.pm" for @EXTRA_MODULES;
		4133	cf::_connect_to_perl_2;
2403		4134
2404	END { cf::emergency_save }	4135	END { cf::emergency_save }
2405		4136
2406	1	4137	1
2407		4138

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