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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 1.547 by root, Sun May 9 22:51:13 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
28		64
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	65	# configure various modules to our taste
30	$YAML::Syck::ImplicitUnicode = 1;	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
31		69
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		78
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
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 incloader);
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 thread
		239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
112	=back	258	=back
113		259
114	=cut	260	=cut
115		261
116	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
117	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
118	my $msg = join "", @_;	269	my $msg = join "", @_;
119	utf8::encode $msg;
120		270
121	$msg .= "\n"	271	$msg .= "\n"
122	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
123		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
124	LOG llevError, $msg;	276	LOG llevWarn, $msg;
125	};	277	};
126	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
127		292
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		300
135	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	302	# within the Safe compartment.
137	for my $pkg (qw(	303	for my $pkg (qw(
138	cf::global cf::attachable	304	cf::global cf::attachable
139	cf::object cf::object::player	305	cf::object cf::object::player
140	cf::client cf::player	306	cf::client cf::player
141	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
142	cf::map cf::party cf::region	309	cf::party cf::region
143	)) {	310	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	312	}
147		313
148	$Event::DIED = sub {	314	$EV::DIED = sub {
149	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
150	};	316	};
151		317
152	my %ext_pkg;	318	#############################################################################
153	my @exts;
154	my @hook;
155		319
156	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
157		321
158	=over 4	322	=over 4
159		323
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	343	$d
180	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
181	}	345	}
182		346
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
186		348
187	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
188		350
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
197		352
198	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
199		354
200	=cut	355	=cut
201		356
202	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
204	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
205	}	374	}
206		375
207	=item cf::lock_wait $string	376	=item cf::lock_wait $string
208		377
209	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
210		379
211	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
212		381
213	Wait until the given lock is available and then acquires it and returns	382	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,	383	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	384	for example when the coroutine gets canceled), the lock is automatically
216	returned.	385	returned.
217		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
218	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
220		392
221	=cut	393	=item $locked = cf::lock_active $string
222		394
223	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
224		400
225	sub lock_wait($) {	401	sub lock_wait($) {
226	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
227
228	# wait for lock, if any
229	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;
232	}
233	}	403	}
234		404
235	sub lock_acquire($) {	405	sub lock_acquire($) {
236	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
237		408
238	# wait, to be sure we are not locked	409	sub lock_active($) {
239	lock_wait $key;	410	$LOCKS->count ($_[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	}	411	}
248		412
249	sub freeze_mainloop {	413	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
251		415
252	my $guard = Coro::guard { $TICK_WATCHER->start };	416	&Guard::guard (\&tick_inhibit_dec);
253	$TICK_WATCHER->stop;	417	}
254	$guard	418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
		483	}
		484	};
		485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
255	}	499	}
256		500
257	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
258		502
259	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		508
265	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
266		510
267	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
268		512
269	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
272		517
273	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
276	fast or be very important.	521	fast or be very important.
…		…
278	=cut	523	=cut
279		524
280	sub sync_job(&) {	525	sub sync_job(&) {
281	my ($job) = @_;	526	my ($job) = @_;
282		527
283	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
284	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
286		533
287	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
288	# (but this is cancel-safe)	535
289	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
290		537
291	my $busy = 1;	538	my $busy = 1;
292	my @res;	539	my @res;
293		540
294	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
295	@res = eval { $job->() };	543	@res = eval { $job->() };
296	warn $@ if $@;	544	error $@ if $@;
297	undef $busy;	545	undef $busy;
298	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
299		547
300	while ($busy) {	548	while ($busy) {
301	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
302	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
303		559
304	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
305	} else {	561	} else {
306	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
307		563
…		…
309	}	565	}
310	}	566	}
311		567
312	=item $coro = cf::async_ext { BLOCK }	568	=item $coro = cf::async_ext { BLOCK }
313		569
314	Like async, but this coro is automcatially being canceled when the	570	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	571	extension calling this is being unloaded.
316		572
317	=cut	573	=cut
318		574
319	sub async_ext(&) {	575	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
328		584
329	$coro	585	$coro
330	}	586	}
331		587
332	sub write_runtime {	588	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		589
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	Executes the given code block with the given arguments in a seperate
336	or return;	591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
337		594
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	595	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		596
342	aio_fsync $fh	597	sub post_fork {
343	and return;	598	reset_signals;
		599	}
344		600
345	close $fh	601	sub fork_call(&@) {
346	or return;	602	my ($cb, @args) = @_;
347		603
348	aio_rename "$runtime~", $runtime	604	# we seemingly have to make a local copy of the whole thing,
349	and return;	605	# otherwise perl prematurely frees the stuff :/
		606	# TODO: investigate and fix (likely this will be rather laborious)
350		607
		608	my @res = Coro::Util::fork_eval {
		609	cf::post_fork;
		610	&$cb
		611	}, @args;
		612
		613	wantarray ? @res : $res[-1]
		614	}
		615
		616	sub objinfo {
351	1	617	(
		618	"counter value" => cf::object::object_count,
		619	"objects created" => cf::object::create_count,
		620	"objects destroyed" => cf::object::destroy_count,
		621	"freelist size" => cf::object::free_count,
		622	"allocated objects" => cf::object::objects_size,
		623	"active objects" => cf::object::actives_size,
		624	)
		625	}
		626
		627	=item $coin = coin_from_name $name
		628
		629	=cut
		630
		631	our %coin_alias = (
		632	"silver" => "silvercoin",
		633	"silvercoin" => "silvercoin",
		634	"silvercoins" => "silvercoin",
		635	"gold" => "goldcoin",
		636	"goldcoin" => "goldcoin",
		637	"goldcoins" => "goldcoin",
		638	"platinum" => "platinacoin",
		639	"platinumcoin" => "platinacoin",
		640	"platinumcoins" => "platinacoin",
		641	"platina" => "platinacoin",
		642	"platinacoin" => "platinacoin",
		643	"platinacoins" => "platinacoin",
		644	"royalty" => "royalty",
		645	"royalties" => "royalty",
		646	);
		647
		648	sub coin_from_name($) {
		649	$coin_alias{$_[0]}
		650	? cf::arch::find $coin_alias{$_[0]}
		651	: undef
		652	}
		653
		654	=item $value = cf::db_get $family => $key
		655
		656	Returns a single value from the environment database.
		657
		658	=item cf::db_put $family => $key => $value
		659
		660	Stores the given C<$value> in the family. It can currently store binary
		661	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		662
		663	=item $db = cf::db_table "name"
		664
		665	Create and/or open a new database table. The string must not be "db" and must be unique
		666	within each server.
		667
		668	=cut
		669
		670	sub db_table($) {
		671	cf::error "db_get called from main context"
		672	if $Coro::current == $Coro::main;
		673
		674	my ($name) = @_;
		675	my $db = BDB::db_create $DB_ENV;
		676
		677	eval {
		678	$db->set_flags (BDB::CHKSUM);
		679
		680	utf8::encode $name;
		681	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		682	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		683	cf::cleanup "db_open(db): $!" if $!;
		684	};
		685	cf::cleanup "db_open(db): $@" if $@;
		686
		687	$db
		688	}
		689
		690	our $DB;
		691
		692	sub db_init {
		693	$DB ||= db_table "db";
		694	}
		695
		696	sub db_get($$) {
		697	my $key = "$_[0]/$_[1]";
		698
		699	cf::error "db_get called from main context"
		700	if $Coro::current == $Coro::main;
		701
		702	BDB::db_get $DB, undef, $key, my $data;
		703
		704	$! ? ()
		705	: $data
		706	}
		707
		708	sub db_put($$$) {
		709	BDB::dbreq_pri 4;
		710	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		711	}
		712
		713	=item cf::cache $id => [$paths...], $processversion => $process
		714
		715	Generic caching function that returns the value of the resource $id,
		716	caching and regenerating as required.
		717
		718	This function can block.
		719
		720	=cut
		721
		722	sub cache {
		723	my ($id, $src, $processversion, $process) = @_;
		724
		725	my $meta =
		726	join "\x00",
		727	$processversion,
		728	map {
		729	aio_stat $_
		730	and Carp::croak "$_: $!";
		731
		732	($_, (stat _)[7,9])
		733	} @$src;
		734
		735	my $dbmeta = db_get cache => "$id/meta";
		736	if ($dbmeta ne $meta) {
		737	# changed, we may need to process
		738
		739	my @data;
		740	my $md5;
		741
		742	for (0 .. $#$src) {
		743	0 <= aio_load $src->[$_], $data[$_]
		744	or Carp::croak "$src->[$_]: $!";
		745	}
		746
		747	# if processing is expensive, check
		748	# checksum first
		749	if (1) {
		750	$md5 =
		751	join "\x00",
		752	$processversion,
		753	map {
		754	cf::cede_to_tick;
		755	($src->[$_], Digest::MD5::md5_hex $data[$_])
		756	} 0.. $#$src;
		757
		758
		759	my $dbmd5 = db_get cache => "$id/md5";
		760	if ($dbmd5 eq $md5) {
		761	db_put cache => "$id/meta", $meta;
		762
		763	return db_get cache => "$id/data";
		764	}
		765	}
		766
		767	my $t1 = Time::HiRes::time;
		768	my $data = $process->(\@data);
		769	my $t2 = Time::HiRes::time;
		770
		771	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		772
		773	db_put cache => "$id/data", $data;
		774	db_put cache => "$id/md5" , $md5;
		775	db_put cache => "$id/meta", $meta;
		776
		777	return $data;
		778	}
		779
		780	db_get cache => "$id/data"
		781	}
		782
		783	=item cf::datalog type => key => value, ...
		784
		785	Log a datalog packet of the given type with the given key-value pairs.
		786
		787	=cut
		788
		789	sub datalog($@) {
		790	my ($type, %kv) = @_;
		791	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	792	}
353		793
354	=back	794	=back
355		795
356	=cut	796	=cut
357		797
358	#############################################################################	798	#############################################################################
359		799
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	800	=head2 ATTACHABLE OBJECTS
483		801
484	Many objects in crossfire are so-called attachable objects. That means you can	802	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")	803	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	804	to it. All such attachable objects support the following methods.
487		805
488	In the following description, CLASS can be any of C<global>, C<object>	806	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	807	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	808	Deliantra).
491		809
492	=over 4	810	=over 4
493		811
494	=item $attachable->attach ($attachment, key => $value...)	812	=item $attachable->attach ($attachment, key => $value...)
495		813
…		…
539	=item cf::CLASS::attachment $name, ...	857	=item cf::CLASS::attachment $name, ...
540		858
541	Register an attachment by C<$name> through which attachable objects of the	859	Register an attachment by C<$name> through which attachable objects of the
542	given CLASS can refer to this attachment.	860	given CLASS can refer to this attachment.
543		861
544	Some classes such as crossfire maps and objects can specify attachments	862	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.	863	that are attached at load/instantiate time, thus the need for a name.
546		864
547	These calls expect any number of the following handler/hook descriptions:	865	These calls expect any number of the following handler/hook descriptions:
548		866
549	=over 4	867	=over 4
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	927	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	928	our @CB_MAP = ();
611		929
612	my %attachment;	930	my %attachment;
613		931
		932	sub cf::attachable::thawer_merge {
		933	# simply override everything except _meta
		934	local $_[0]{_meta};
		935	%{$_[0]} = %{$_[1]};
		936	}
		937
614	sub _attach_cb($$$$) {	938	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	939	my ($registry, $event, $prio, $cb) = @_;
616		940
617	use sort 'stable';	941	use sort 'stable';
618		942
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	976	$registry = $CB_TYPE[$object_type] ||= [];
653		977
654	} elsif ($type eq "subtype") {	978	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	979	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	980	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	981	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		982
659	} elsif ($type eq "package") {	983	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	984	my $pkg = shift @arg;
661		985
662	while (my ($name, $id) = each %cb_id) {	986	while (my ($name, $id) = each %cb_id) {
…		…
667		991
668	} elsif (exists $cb_id{$type}) {	992	} elsif (exists $cb_id{$type}) {
669	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	993	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
670		994
671	} elsif (ref $type) {	995	} elsif (ref $type) {
672	warn "attaching objects not supported, ignoring.\n";	996	error "attaching objects not supported, ignoring.\n";
673		997
674	} else {	998	} else {
675	shift @arg;	999	shift @arg;
676	warn "attach argument '$type' not supported, ignoring.\n";	1000	error "attach argument '$type' not supported, ignoring.\n";
677	}	1001	}
678	}	1002	}
679	}	1003	}
680		1004
681	sub _object_attach {	1005	sub _object_attach {
…		…
691	_attach $registry, $klass, @attach;	1015	_attach $registry, $klass, @attach;
692	}	1016	}
693		1017
694	$obj->{$name} = \%arg;	1018	$obj->{$name} = \%arg;
695	} else {	1019	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	1020	info "object uses attachment '$name' which is not available, postponing.\n";
697	}	1021	}
698		1022
699	$obj->{_attachment}{$name} = undef;	1023	$obj->{_attachment}{$name} = undef;
700	}	1024	}
701		1025
…		…
703	if (ref $_[0]) {	1027	if (ref $_[0]) {
704	_object_attach @_;	1028	_object_attach @_;
705	} else {	1029	} else {
706	_attach shift->_attach_registry, @_;	1030	_attach shift->_attach_registry, @_;
707	}	1031	}
		1032	_recalc_want;
708	};	1033	};
709		1034
710	# all those should be optimised	1035	# all those should be optimised
711	sub cf::attachable::detach {	1036	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	1037	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	1040	delete $obj->{_attachment}{$name};
716	reattach ($obj);	1041	reattach ($obj);
717	} else {	1042	} else {
718	Carp::croak "cannot, currently, detach class attachments";	1043	Carp::croak "cannot, currently, detach class attachments";
719	}	1044	}
		1045	_recalc_want;
720	};	1046	};
721		1047
722	sub cf::attachable::attached {	1048	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
724		1050
…		…
739	";	1065	";
740	die if $@;	1066	die if $@;
741	}	1067	}
742		1068
743	our $override;	1069	our $override;
744	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1070	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
745		1071
746	sub override {	1072	sub override {
747	$override = 1;	1073	$override = 1;
748	@invoke_results = ();	1074	@INVOKE_RESULTS = (@_);
749	}	1075	}
750		1076
751	sub do_invoke {	1077	sub do_invoke {
752	my $event = shift;	1078	my $event = shift;
753	my $callbacks = shift;	1079	my $callbacks = shift;
754		1080
755	@invoke_results = ();	1081	@INVOKE_RESULTS = ();
756		1082
757	local $override;	1083	local $override;
758		1084
759	for (@$callbacks) {	1085	for (@$callbacks) {
760	eval { &{$_->[1]} };	1086	eval { &{$_->[1]} };
761		1087
762	if ($@) {	1088	if ($@) {
763	warn "$@";
764	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1089	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
765	override;	1090	override;
766	}	1091	}
767		1092
768	return 1 if $override;	1093	return 1 if $override;
769	}	1094	}
770		1095
771	0	1096	0
772	}	1097	}
773		1098
774	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1099	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
775		1100
776	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1101	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
777		1102
778	Generate an object-specific event with the given arguments.	1103	Generate an object-specific event with the given arguments.
779		1104
780	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1105	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	1106	removed in future versions), and there is no public API to access override
782	results (if you must, access C<@cf::invoke_results> directly).	1107	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		1108
784	=back	1109	=back
785		1110
786	=cut	1111	=cut
787		1112
788	#############################################################################	1113	#############################################################################
789	# object support	1114	# object support
		1115
		1116	sub _object_equal($$);
		1117	sub _object_equal($$) {
		1118	my ($a, $b) = @_;
		1119
		1120	return 0 unless (ref $a) eq (ref $b);
		1121
		1122	if ("HASH" eq ref $a) {
		1123	my @ka = keys %$a;
		1124	my @kb = keys %$b;
		1125
		1126	return 0 if @ka != @kb;
		1127
		1128	for (0 .. $#ka) {
		1129	return 0 unless $ka[$_] eq $kb[$_];
		1130	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1131	}
		1132
		1133	} elsif ("ARRAY" eq ref $a) {
		1134
		1135	return 0 if @$a != @$b;
		1136
		1137	for (0 .. $#$a) {
		1138	return 0 unless _object_equal $a->[$_], $b->[$_];
		1139	}
		1140
		1141	} elsif ($a ne $b) {
		1142	return 0;
		1143	}
		1144
		1145	1
		1146	}
		1147
		1148	our $SLOW_MERGES;#d#
		1149	sub _can_merge {
		1150	my ($ob1, $ob2) = @_;
		1151
		1152	++$SLOW_MERGES;#d#
		1153
		1154	# we do the slow way here
		1155	return _object_equal $ob1, $ob2
		1156	}
790		1157
791	sub reattach {	1158	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	1159	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	1160	my ($obj) = @_;
		1161
		1162	# no longer needed after getting rid of delete_package?
		1163	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		1164
795	my $registry = $obj->registry;	1165	my $registry = $obj->registry;
796		1166
797	@$registry = ();	1167	@$registry = ();
798		1168
…		…
803	for (@$attach) {	1173	for (@$attach) {
804	my ($klass, @attach) = @$_;	1174	my ($klass, @attach) = @$_;
805	_attach $registry, $klass, @attach;	1175	_attach $registry, $klass, @attach;
806	}	1176	}
807	} else {	1177	} else {
808	warn "object uses attachment '$name' that is not available, postponing.\n";	1178	info "object uses attachment '$name' that is not available, postponing.\n";
809	}	1179	}
810	}	1180	}
811	}	1181	}
812		1182
813	cf::attachable->attach (	1183	cf::attachable->attach (
814	prio => -1000000,	1184	prio => -1000000,
815	on_instantiate => sub {	1185	on_instantiate => sub {
816	my ($obj, $data) = @_;	1186	my ($obj, $data) = @_;
817		1187
818	$data = from_json $data;	1188	$data = decode_json $data;
819		1189
820	for (@$data) {	1190	for (@$data) {
821	my ($name, $args) = @$_;	1191	my ($name, $args) = @$_;
822		1192
823	$obj->attach ($name, %{$args || {} });	1193	$obj->attach ($name, %{$args || {} });
…		…
839	sub object_freezer_save {	1209	sub object_freezer_save {
840	my ($filename, $rdata, $objs) = @_;	1210	my ($filename, $rdata, $objs) = @_;
841		1211
842	sync_job {	1212	sync_job {
843	if (length $$rdata) {	1213	if (length $$rdata) {
		1214	utf8::decode (my $decname = $filename);
844	warn sprintf "saving %s (%d,%d)\n",	1215	trace sprintf "saving %s (%d,%d)\n",
845	$filename, length $$rdata, scalar @$objs;	1216	$decname, length $$rdata, scalar @$objs
		1217	if $VERBOSE_IO;
846		1218
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1219	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1220	aio_chmod $fh, SAVE_MODE;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1221	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
850	aio_fsync $fh;	1224	aio_fsync $fh;
		1225	}
851	close $fh;	1226	aio_close $fh;
852		1227
853	if (@$objs) {	1228	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1229	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	1230	aio_chmod $fh, SAVE_MODE;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1231	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1232	aio_write $fh, 0, (length $data), $data, 0;
		1233	if ($cf::USE_FSYNC) {
		1234	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;	1235	aio_fsync $fh;
		1236	}
859	close $fh;	1237	aio_close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1238	aio_rename "$filename.pst~", "$filename.pst";
861	}	1239	}
862	} else {	1240	} else {
863	aio_unlink "$filename.pst";	1241	aio_unlink "$filename.pst";
864	}	1242	}
865		1243
866	aio_rename "$filename~", $filename;	1244	aio_rename "$filename~", $filename;
		1245
		1246	$filename =~ s%/[^/]+$%%;
		1247	aio_pathsync $filename if $cf::USE_FSYNC;
867	} else {	1248	} else {
868	warn "FATAL: $filename~: $!\n";	1249	error "unable to save objects: $filename~: $!\n";
869	}	1250	}
870	} else {	1251	} else {
871	aio_unlink $filename;	1252	aio_unlink $filename;
872	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
873	}	1254	}
874	}	1255	};
875	}	1256	}
876		1257
877	sub object_freezer_as_string {	1258	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	1259	my ($rdata, $objs) = @_;
879		1260
…		…
891	or return;	1272	or return;
892		1273
893	unless (aio_stat "$filename.pst") {	1274	unless (aio_stat "$filename.pst") {
894	(aio_load "$filename.pst", $av) >= 0	1275	(aio_load "$filename.pst", $av) >= 0
895	or return;	1276	or return;
		1277
896	$av = eval { (Storable::thaw $av)->{objs} };	1278	my $st = eval { Coro::Storable::thaw $av };
		1279	$av = $st->{objs};
897	}	1280	}
898		1281
		1282	utf8::decode (my $decname = $filename);
899	warn sprintf "loading %s (%d)\n",	1283	trace sprintf "loading %s (%d,%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1284	$decname, length $data, scalar @{$av || []}
		1285	if $VERBOSE_IO;
		1286
901	return ($data, $av);	1287	($data, $av)
902	}	1288	}
		1289
		1290	=head2 COMMAND CALLBACKS
		1291
		1292	=over 4
		1293
		1294	=cut
903		1295
904	#############################################################################	1296	#############################################################################
905	# command handling &c	1297	# command handling &c
906		1298
907	=item cf::register_command $name => \&callback($ob,$args);	1299	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1312	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1313	}
922		1314
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1315	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1316
925	Register a callbackf ro execution when the client sends an extcmd packet.	1317	Register a callback for execution when the client sends an (synchronous)
		1318	extcmd packet. Ext commands will be processed in the order they are
		1319	received by the server, like other user commands. The first argument is
		1320	the logged-in player. Ext commands can only be processed after a player
		1321	has logged in successfully.
926		1322
927	If the callback returns something, it is sent back as if reply was being	1323	If the callback returns something, it is sent back as if reply was being
928	called.	1324	called.
929		1325
		1326	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1327
		1328	Register a callback for execution when the client sends an (asynchronous)
		1329	exticmd packet. Exti commands are processed by the server as soon as they
		1330	are received, i.e. out of order w.r.t. other commands. The first argument
		1331	is a client socket. Exti commands can be received anytime, even before
		1332	log-in.
		1333
		1334	If the callback returns something, it is sent back as if reply was being
		1335	called.
		1336
930	=cut	1337	=cut
931		1338
932	sub register_extcmd {	1339	sub register_extcmd {
933	my ($name, $cb) = @_;	1340	my ($name, $cb) = @_;
934		1341
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1342	$EXTCMD{$name} = $cb;
939	}	1343	}
		1344
		1345	sub register_exticmd {
		1346	my ($name, $cb) = @_;
		1347
		1348	$EXTICMD{$name} = $cb;
		1349	}
		1350
		1351	use File::Glob ();
940		1352
941	cf::player->attach (	1353	cf::player->attach (
942	on_command => sub {	1354	on_unknown_command => sub {
943	my ($pl, $name, $params) = @_;	1355	my ($pl, $name, $params) = @_;
944		1356
945	my $cb = $COMMAND{$name}	1357	my $cb = $COMMAND{$name}
946	or return;	1358	or return;
947		1359
…		…
952	cf::override;	1364	cf::override;
953	},	1365	},
954	on_extcmd => sub {	1366	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1367	my ($pl, $buf) = @_;
956		1368
957	my $msg = eval { from_json $buf };	1369	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1370
959	if (ref $msg) {	1371	if (ref $msg) {
		1372	my ($type, $reply, @payload) =
		1373	"ARRAY" eq ref $msg
		1374	? @$msg
		1375	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1376
		1377	my @reply;
		1378
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1379	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1380	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1381	}
		1382
		1383	$pl->ext_reply ($reply, @reply)
		1384	if $reply;
		1385
965	} else {	1386	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1387	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1388	}
968		1389
969	cf::override;	1390	cf::override;
970	},	1391	},
971	);	1392	);
972		1393
973	sub register {	1394	# "readahead" all extensions
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	1395	sub cache_extensions {
980	my ($path) = @_;	1396	my $grp = IO::AIO::aio_group;
981		1397
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1398	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
983	my $base = $1;	1399	for (grep /\.ext$/, @{$_[0]}) {
984	my $pkg = $1;	1400	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	}	1401	}
1032	}	1402	};
1033		1403
1034	# remove extcmds	1404	$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	}	1405	}
1048		1406
1049	sub load_extensions {	1407	sub load_extensions {
		1408	info "loading extensions...";
		1409
		1410	cf::sync_job {
		1411	my %todo;
		1412
1050	for my $ext (<$LIBDIR/*.ext>) {	1413	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1414	next unless -r $path;
1052	eval {	1415
1053	load_extension $ext;	1416	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1417	my $base = $1;
		1418	my $pkg = $1;
		1419	$pkg =~ s/[^[:word:]]/_/g;
		1420	$pkg = "ext::$pkg";
		1421
		1422	open my $fh, "<:utf8", $path
		1423	or die "$path: $!";
		1424
		1425	my $source = do { local $/; <$fh> };
		1426
		1427	my %ext = (
		1428	path => $path,
		1429	base => $base,
		1430	pkg => $pkg,
		1431	);
		1432
		1433	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1434	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1435
		1436	$ext{source} =
		1437	"package $pkg; use common::sense;\n"
		1438	. "#line 1 \"$path\"\n{\n"
		1439	. $source
		1440	. "\n};\n1";
		1441
		1442	$todo{$base} = \%ext;
		1443	}
		1444
		1445	my $pass = 0;
		1446	my %done;
		1447	while (%todo) {
		1448	my $progress;
		1449
		1450	++$pass;
		1451
		1452	ext:
		1453	while (my ($k, $v) = each %todo) {
		1454	for (split /,\s*/, $v->{meta}{depends}) {
		1455	next ext
		1456	unless exists $done{$_};
		1457	}
		1458
		1459	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1460
		1461	my $active = eval $v->{source};
		1462
		1463	if (length $@) {
		1464	error "$v->{path}: $@\n";
		1465
		1466	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1467	if exists $v->{meta}{mandatory};
		1468
		1469	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1470	delete $todo{$k};
		1471	} else {
		1472	$done{$k} = delete $todo{$k};
		1473	push @EXTS, $v->{pkg};
		1474	$progress = 1;
		1475
		1476	info "$v->{base}: extension inactive.\n"
		1477	unless $active;
		1478	}
1054	1	1479	}
1055	} or warn "$ext not loaded: $@";	1480
		1481	unless ($progress) {
		1482	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1483
		1484	while (my ($k, $v) = each %todo) {
		1485	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1486	if exists $v->{meta}{mandatory};
		1487	}
		1488	}
		1489	}
1056	}	1490	};
1057	}	1491	}
1058		1492
1059	#############################################################################	1493	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1494
1062	*cf::mapsupport::on_clean = sub {	1495	=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		1496
1097	=head2 CORE EXTENSIONS	1497	=head2 CORE EXTENSIONS
1098		1498
1099	Functions and methods that extend core crossfire objects.	1499	Functions and methods that extend core deliantra objects.
1100		1500
1101	=cut	1501	=cut
1102		1502
1103	package cf::player;	1503	package cf::player;
1104		1504
…		…
1106		1506
1107	=head3 cf::player	1507	=head3 cf::player
1108		1508
1109	=over 4	1509	=over 4
1110		1510
		1511	=item cf::player::num_playing
		1512
		1513	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1514
		1515	=cut
		1516
		1517	sub num_playing {
		1518	scalar grep
		1519	$_->ob->map
		1520	&& !$_->hidden
		1521	&& !$_->ob->flag (cf::FLAG_WIZ),
		1522	cf::player::list
		1523	}
		1524
1111	=item cf::player::find $login	1525	=item cf::player::find $login
1112		1526
1113	Returns the given player object, loading it if necessary (might block).	1527	Returns the given player object, loading it if necessary (might block).
1114		1528
1115	=cut	1529	=cut
1116		1530
1117	sub playerdir($) {	1531	sub playerdir($) {
1118	cf::localdir	1532	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1533	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1534	}
1124		1535
1125	sub path($) {	1536	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1537	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1538
1128	(playerdir $login) . "/$login.pl"	1539	(playerdir $login) . "/playerdata"
1129	}	1540	}
1130		1541
1131	sub find_active($) {	1542	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1543	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1544	and $cf::PLAYER{$_[0]}->active
…		…
1136		1547
1137	sub exists($) {	1548	sub exists($) {
1138	my ($login) = @_;	1549	my ($login) = @_;
1139		1550
1140	$cf::PLAYER{$login}	1551	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1552	or !aio_stat path $login
1142	}	1553	}
1143		1554
1144	sub find($) {	1555	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1556	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1557	my $login = $_[0];
1147		1558
1148	my $guard = cf::lock_acquire "user_find:$login";	1559	my $guard = cf::lock_acquire "user_find:$login";
1149		1560
1150	$cf::PLAYER{$_[0]} || do {	1561	$cf::PLAYER{$_[0]} || do {
1151	my $pl = load_pl path $login	1562	# rename old playerfiles to new ones
		1563	#TODO: remove when no longer required
		1564	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1565	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1566	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1567	aio_unlink +(playerdir $login) . "/$login.pl";
		1568
		1569	my $f = new_from_file cf::object::thawer path $login
1152	or return;	1570	or return;
		1571
		1572	my $pl = cf::player::load_pl $f
		1573	or return;
		1574
		1575	local $cf::PLAYER_LOADING{$login} = $pl;
		1576	$f->resolve_delayed_derefs;
1153	$cf::PLAYER{$login} = $pl	1577	$cf::PLAYER{$login} = $pl
1154	}	1578	}
1155	}	1579	}
1156	}	1580	}
		1581
		1582	cf::player->attach (
		1583	on_load => sub {
		1584	my ($pl, $path) = @_;
		1585
		1586	# restore slots saved in save, below
		1587	my $slots = delete $pl->{_slots};
		1588
		1589	$pl->ob->current_weapon ($slots->[0]);
		1590	$pl->combat_ob ($slots->[1]);
		1591	$pl->ranged_ob ($slots->[2]);
		1592	},
		1593	);
1157		1594
1158	sub save($) {	1595	sub save($) {
1159	my ($pl) = @_;	1596	my ($pl) = @_;
1160		1597
1161	return if $pl->{deny_save};	1598	return if $pl->{deny_save};
…		…
1166	return if $pl->{deny_save};	1603	return if $pl->{deny_save};
1167		1604
1168	aio_mkdir playerdir $pl, 0770;	1605	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1606	$pl->{last_save} = $cf::RUNTIME;
1170		1607
		1608	cf::get_slot 0.01;
		1609
		1610	# save slots, to be restored later
		1611	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1612
1171	$pl->save_pl ($path);	1613	$pl->save_pl ($path);
1172	Coro::cede;	1614	cf::cede_to_tick;
1173	}	1615	}
1174		1616
1175	sub new($) {	1617	sub new($) {
1176	my ($login) = @_;	1618	my ($login) = @_;
1177		1619
…		…
1183	$cf::PLAYER{$login} = $self;	1625	$cf::PLAYER{$login} = $self;
1184		1626
1185	$self	1627	$self
1186	}	1628	}
1187		1629
		1630	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1631
		1632	=cut
		1633
		1634	sub send_msg {
		1635	my $ns = shift->ns
		1636	or return;
		1637	$ns->send_msg (@_);
		1638	}
		1639
1188	=item $pl->quit_character	1640	=item $pl->quit_character
1189		1641
1190	Nukes the player without looking back. If logged in, the connection will	1642	Nukes the player without looking back. If logged in, the connection will
1191	be destroyed. May block for a long time.	1643	be destroyed. May block for a long time.
1192		1644
1193	=cut	1645	=cut
1194		1646
1195	sub quit_character {	1647	sub quit_character {
1196	my ($pl) = @_;	1648	my ($pl) = @_;
1197		1649
		1650	my $name = $pl->ob->name;
		1651
1198	$pl->{deny_save} = 1;	1652	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1653	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1200		1654
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1655	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1202	$pl->deactivate;	1656	$pl->deactivate;
		1657
		1658	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1659	ext::highscore::check ($pl->ob);
		1660
1203	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1661	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1204	$pl->ns->destroy if $pl->ns;	1662	$pl->ns->destroy if $pl->ns;
1205		1663
1206	my $path = playerdir $pl;	1664	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1665	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1666	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1667	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1668	$pl->destroy;
		1669
		1670	my $prefix = qr<^~\Q$name\E/>;
		1671
		1672	# nuke player maps
		1673	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1674
1211	IO::AIO::aio_rmtree $temp;	1675	IO::AIO::aio_rmtree $temp;
		1676	}
		1677
		1678	=item $pl->kick
		1679
		1680	Kicks a player out of the game. This destroys the connection.
		1681
		1682	=cut
		1683
		1684	sub kick {
		1685	my ($pl, $kicker) = @_;
		1686
		1687	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1688	$pl->killer ("kicked");
		1689	$pl->ns->destroy;
1212	}	1690	}
1213		1691
1214	=item cf::player::list_logins	1692	=item cf::player::list_logins
1215		1693
1216	Returns am arrayref of all valid playernames in the system, can take a	1694	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1695	while and may block, so not sync_job-capable, ever.
1218		1696
1219	=cut	1697	=cut
1220		1698
1221	sub list_logins {	1699	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1700	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1701	or return [];
1224		1702
1225	my @logins;	1703	my @logins;
1226		1704
1227	for my $login (@$dirs) {	1705	for my $login (@$dirs) {
		1706	my $path = path $login;
		1707
		1708	# a .pst is a dead give-away for a valid player
		1709	# if no pst file found, open and chekc for blocked users
		1710	if (aio_stat "$path.pst") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1711	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1712	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1713	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1714	}
1231		1715
1232	utf8::decode $login;	1716	utf8::decode $login;
1233	push @logins, $login;	1717	push @logins, $login;
1234	}	1718	}
1235		1719
1236	\@logins	1720	\@logins
1237	}	1721	}
1238		1722
1239	=item $player->maps	1723	=item $player->maps
1240		1724
		1725	=item cf::player::maps $login
		1726
1241	Returns an arrayref of cf::path's of all maps that are private for this	1727	Returns an arrayref of map paths that are private for this
1242	player. May block.	1728	player. May block.
1243		1729
1244	=cut	1730	=cut
1245		1731
1246	sub maps($) {	1732	sub maps($) {
1247	my ($pl) = @_;	1733	my ($pl) = @_;
		1734
		1735	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1736
1249	my $files = aio_readdir playerdir $pl	1737	my $files = aio_readdir playerdir $pl
1250	or return;	1738	or return;
1251		1739
1252	my @paths;	1740	my @paths;
1253		1741
1254	for (@$files) {	1742	for (@$files) {
1255	utf8::decode $_;	1743	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1744	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1745	next unless /^$PATH_SEP/o;
1258		1746
1259	s/$PATH_SEP/\//g;	1747	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1748	}
1262		1749
1263	\@paths	1750	\@paths
1264	}	1751	}
1265		1752
		1753	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1754
		1755	Expand deliantra pod fragments into protocol xml.
		1756
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1757	=item $player->ext_reply ($msgid, @msg)
1267		1758
1268	Sends an ext reply to the player.	1759	Sends an ext reply to the player.
1269		1760
1270	=cut	1761	=cut
1271		1762
1272	sub ext_reply($$$%) {	1763	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1764	my ($self, $id, @msg) = @_;
1274		1765
1275	$msg{msgid} = $id;	1766	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1767	}
1279		1768
1280	package cf;	1769	=item $player->ext_msg ($type, @msg)
		1770
		1771	Sends an ext event to the client.
		1772
		1773	=cut
		1774
		1775	sub ext_msg($$@) {
		1776	my ($self, $type, @msg) = @_;
		1777
		1778	$self->ns->ext_msg ($type, @msg);
		1779	}
		1780
		1781	=head3 cf::region
		1782
		1783	=over 4
		1784
		1785	=cut
		1786
		1787	package cf::region;
		1788
		1789	=item cf::region::find_by_path $path
		1790
		1791	Tries to decuce the likely region for a map knowing only its path.
		1792
		1793	=cut
		1794
		1795	sub find_by_path($) {
		1796	my ($path) = @_;
		1797
		1798	$path =~ s/^~[^\/]*//; # skip ~login
		1799
		1800	my ($match, $specificity);
		1801
		1802	for my $region (list) {
		1803	if ($region->{match} && $path =~ $region->{match}) {
		1804	($match, $specificity) = ($region, $region->specificity)
		1805	if $region->specificity > $specificity;
		1806	}
		1807	}
		1808
		1809	$match
		1810	}
1281		1811
1282	=back	1812	=back
1283
1284		1813
1285	=head3 cf::map	1814	=head3 cf::map
1286		1815
1287	=over 4	1816	=over 4
1288		1817
…		…
1291	package cf::map;	1820	package cf::map;
1292		1821
1293	use Fcntl;	1822	use Fcntl;
1294	use Coro::AIO;	1823	use Coro::AIO;
1295		1824
		1825	use overload
		1826	'""' => \&as_string,
		1827	fallback => 1;
		1828
1296	our $MAX_RESET = 3600;	1829	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1830	our $DEFAULT_RESET = 3000;
1298		1831
1299	sub generate_random_map {	1832	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1833	my ($self, $rmp) = @_;
		1834
		1835	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1301		1836
1302	# mit "rum" bekleckern, nicht	1837	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1838	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1839	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1840	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1841	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1842	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1843	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1844	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1845	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1846	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1847	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1848	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1849	(cf::region::find $rmp->{region}), $rmp->{custom}
		1850	)
1316	}	1851	}
1317		1852
1318	# and all this just because we cannot iterate over	1853	=item cf::map->register ($regex, $prio)
1319	# all maps in C++...
1320	sub change_all_map_light {
1321	my ($change) = @_;
1322		1854
1323	$_->change_map_light ($change)	1855	Register a handler for the map path matching the given regex at the
1324	for grep $_->outdoor, values %cf::MAP;	1856	givne priority (higher is better, built-in handlers have priority 0, the
1325	}	1857	default).
1326		1858
1327	sub try_load_header($) {	1859	=cut
		1860
		1861	sub register {
		1862	my (undef, $regex, $prio) = @_;
		1863	my $pkg = caller;
		1864
		1865	push @{"$pkg\::ISA"}, __PACKAGE__;
		1866
		1867	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1868	}
		1869
		1870	# also paths starting with '/'
		1871	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1872
		1873	sub thawer_merge {
		1874	my ($self, $merge) = @_;
		1875
		1876	# we have to keep some variables in memory intact
		1877	local $self->{path};
		1878	local $self->{load_path};
		1879
		1880	$self->SUPER::thawer_merge ($merge);
		1881	}
		1882
		1883	sub normalise {
1328	my ($path) = @_;	1884	my ($path, $base) = @_;
		1885
		1886	$path = "$path"; # make sure it's a string
		1887
		1888	$path =~ s/\.map$//;
		1889
		1890	# map plan:
		1891	#
		1892	# /! non-realised random map exit (special hack!)
		1893	# {... are special paths that are not being touched
		1894	# ?xxx/... are special absolute paths
		1895	# ?random/... random maps
		1896	# /... normal maps
		1897	# ~user/... per-player map of a specific user
		1898
		1899	$path =~ s/$PATH_SEP/\//go;
		1900
		1901	# treat it as relative path if it starts with
		1902	# something that looks reasonable
		1903	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1904	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1905
		1906	$base =~ s{[^/]+/?$}{};
		1907	$path = "$base/$path";
		1908	}
		1909
		1910	for ($path) {
		1911	redo if s{//}{/};
		1912	redo if s{/\.?/}{/};
		1913	redo if s{/[^/]+/\.\./}{/};
		1914	}
		1915
		1916	$path
		1917	}
		1918
		1919	sub new_from_path {
		1920	my (undef, $path, $base) = @_;
		1921
		1922	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1923
		1924	$path = normalise $path, $base;
		1925
		1926	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1927	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1928	my $self = bless cf::map::new, $pkg;
		1929	$self->{path} = $path; $self->path ($path);
		1930	$self->init; # pass $1 etc.
		1931	return $self;
		1932	}
		1933	}
		1934
		1935	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1936	()
		1937	}
		1938
		1939	sub init {
		1940	my ($self) = @_;
		1941
		1942	$self
		1943	}
		1944
		1945	sub as_string {
		1946	my ($self) = @_;
		1947
		1948	"$self->{path}"
		1949	}
		1950
		1951	# the displayed name, this is a one way mapping
		1952	sub visible_name {
		1953	&as_string
		1954	}
		1955
		1956	# the original (read-only) location
		1957	sub load_path {
		1958	my ($self) = @_;
		1959
		1960	"$MAPDIR/$self->{path}.map"
		1961	}
		1962
		1963	# the temporary/swap location
		1964	sub save_path {
		1965	my ($self) = @_;
		1966
		1967	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1968	"$TMPDIR/$path.map"
		1969	}
		1970
		1971	# the unique path, undef == no special unique path
		1972	sub uniq_path {
		1973	my ($self) = @_;
		1974
		1975	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1976	"$UNIQUEDIR/$path"
		1977	}
		1978
		1979	sub decay_objects {
		1980	my ($self) = @_;
		1981
		1982	return if $self->{deny_reset};
		1983
		1984	$self->do_decay_objects;
		1985	}
		1986
		1987	sub unlink_save {
		1988	my ($self) = @_;
		1989
		1990	utf8::encode (my $save = $self->save_path);
		1991	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1992	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1993	}
		1994
		1995	sub load_header_from($) {
		1996	my ($self, $path) = @_;
1329		1997
1330	utf8::encode $path;	1998	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1999	my $f = new_from_file cf::object::thawer $path
1332	or return;	2000	or return;
1333		2001
1334	my $map = cf::map::new	2002	$self->_load_header ($f)
1335	or return;	2003	or return;
1336		2004
1337	# for better error messages only, will be overwritten	2005	local $MAP_LOADING{$self->{path}} = $self;
1338	$map->path ($path);	2006	$f->resolve_delayed_derefs;
1339		2007
1340	$map->load_header ($path)	2008	$self->{load_path} = $path;
		2009
		2010	1
		2011	}
		2012
		2013	sub load_header_orig {
		2014	my ($self) = @_;
		2015
		2016	$self->load_header_from ($self->load_path)
		2017	}
		2018
		2019	sub load_header_temp {
		2020	my ($self) = @_;
		2021
		2022	$self->load_header_from ($self->save_path)
		2023	}
		2024
		2025	sub prepare_temp {
		2026	my ($self) = @_;
		2027
		2028	$self->last_access ((delete $self->{last_access})
		2029	|| $cf::RUNTIME); #d#
		2030	# safety
		2031	$self->{instantiate_time} = $cf::RUNTIME
		2032	if $self->{instantiate_time} > $cf::RUNTIME;
		2033	}
		2034
		2035	sub prepare_orig {
		2036	my ($self) = @_;
		2037
		2038	$self->{load_original} = 1;
		2039	$self->{instantiate_time} = $cf::RUNTIME;
		2040	$self->last_access ($cf::RUNTIME);
		2041	$self->instantiate;
		2042	}
		2043
		2044	sub load_header {
		2045	my ($self) = @_;
		2046
		2047	if ($self->load_header_temp) {
		2048	$self->prepare_temp;
		2049	} else {
		2050	$self->load_header_orig
1341	or return;	2051	or return;
		2052	$self->prepare_orig;
		2053	}
1342		2054
1343	$map->{load_path} = $path;	2055	$self->{deny_reset} = 1
		2056	if $self->no_reset;
1344		2057
1345	$map	2058	$self->default_region (cf::region::find_by_path $self->{path})
		2059	unless $self->default_region;
		2060
		2061	1
1346	}	2062	}
1347		2063
1348	sub find;	2064	sub find;
1349	sub find {	2065	sub find {
1350	my ($path, $origin) = @_;	2066	my ($path, $origin) = @_;
1351		2067
1352	#warn "find<$path,$origin>\n";#d#	2068	cf::cede_to_tick;
1353		2069
1354	$path = new cf::path $path, $origin && $origin->path;	2070	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		2071
1357	cf::lock_wait "map_find:$key";	2072	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";	2073	my $guard2 = cf::lock_acquire "map_find:$path";
1361		2074
1362	# do it the slow way	2075	$cf::MAP{$path} || do {
1363	my $map = try_load_header $path->save_path;	2076	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;	2077	or return;
1381		2078
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;	2079	$map->{last_save} = $cf::RUNTIME;
1394		2080
1395	Coro::cede;	2081	$map->load_header
		2082	or return;
1396		2083
1397	if ($map->should_reset) {	2084	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2085	# doing this can freeze the server in a sync job, obviously
		2086	#$cf::WAIT_FOR_TICK->wait;
		2087	undef $guard2;
		2088	undef $guard1;
1398	$map->reset;	2089	$map->reset;
1399	undef $guard;
1400	$map = find $path	2090	return find $path;
1401	or return;
1402	}	2091	}
1403		2092
1404	$cf::MAP{$key} = $map	2093	$cf::MAP{$path} = $map
1405	}	2094	}
1406	}	2095	}
		2096
		2097	sub pre_load { }
		2098	#sub post_load { } # XS
1407		2099
1408	sub load {	2100	sub load {
1409	my ($self) = @_;	2101	my ($self) = @_;
1410		2102
		2103	local $self->{deny_reset} = 1; # loading can take a long time
		2104
1411	my $path = $self->{path};	2105	my $path = $self->{path};
		2106
		2107	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2108	my $guard = cf::lock_acquire "map_data:$path";
1413		2109
		2110	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2111	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2112
1416	$self->in_memory (cf::MAP_LOADING);	2113	$self->in_memory (cf::MAP_LOADING);
1417		2114
1418	$self->alloc;	2115	$self->alloc;
1419	$self->load_objects ($self->{load_path}, 1)	2116
		2117	$self->pre_load;
		2118	cf::cede_to_tick;
		2119
		2120	my $f = new_from_file cf::object::thawer $self->{load_path};
		2121	$f->skip_block;
		2122	$self->_load_objects ($f)
1420	or return;	2123	or return;
1421		2124
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2125	$self->post_load_original
1423	if delete $self->{load_original};	2126	if delete $self->{load_original};
1424		2127
1425	if (my $uniq = $path->uniq_path) {	2128	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2129	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2130	unless (aio_stat $uniq) {
		2131	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2132	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	2133	$self->_load_objects ($f);
		2134	$f->resolve_delayed_derefs;
		2135	}
1430	}	2136	}
1431	}	2137	}
1432		2138
1433	Coro::cede;	2139	$f->resolve_delayed_derefs;
1434		2140
		2141	cf::cede_to_tick;
1435	# now do the right thing for maps	2142	# now do the right thing for maps
1436	$self->link_multipart_objects;	2143	$self->link_multipart_objects;
1437
1438	if ($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)	2144	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	2145	unless $self->difficulty;
		2146	cf::cede_to_tick;
		2147
		2148	unless ($self->{deny_activate}) {
		2149	$self->decay_objects;
		2150	$self->fix_auto_apply;
		2151	$self->update_buttons;
		2152	cf::cede_to_tick;
1448	$self->activate;	2153	$self->activate;
1449	}	2154	}
1450		2155
1451	Coro::cede;	2156	$self->{last_save} = $cf::RUNTIME;
		2157	$self->last_access ($cf::RUNTIME);
1452		2158
1453	$self->in_memory (cf::MAP_IN_MEMORY);	2159	$self->in_memory (cf::MAP_ACTIVE);
		2160	}
		2161
		2162	$self->post_load;
		2163	}
		2164
		2165	# customize the map for a given player, i.e.
		2166	# return the _real_ map. used by e.g. per-player
		2167	# maps to change the path to ~playername/mappath
		2168	sub customise_for {
		2169	my ($self, $ob) = @_;
		2170
		2171	return find "~" . $ob->name . "/" . $self->{path}
		2172	if $self->per_player;
		2173
		2174	# return find "?party/" . $ob->name . "/" . $self->{path}
		2175	# if $self->per_party;
		2176
		2177	$self
		2178	}
		2179
		2180	# find and load all maps in the 3x3 area around a map
		2181	sub load_neighbours {
		2182	my ($map) = @_;
		2183
		2184	my @neigh; # diagonal neighbours
		2185
		2186	for (0 .. 3) {
		2187	my $neigh = $map->tile_path ($_)
		2188	or next;
		2189	$neigh = find $neigh, $map
		2190	or next;
		2191	$neigh->load;
		2192
		2193	# now find the diagonal neighbours
		2194	push @neigh,
		2195	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2196	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2197	}
		2198
		2199	for (grep defined $_->[0], @neigh) {
		2200	my ($path, $origin) = @$_;
		2201	my $neigh = find $path, $origin
		2202	or next;
		2203	$neigh->load;
		2204	}
1454	}	2205	}
1455		2206
1456	sub find_sync {	2207	sub find_sync {
1457	my ($path, $origin) = @_;	2208	my ($path, $origin) = @_;
1458		2209
1459	cf::sync_job { cf::map::find $path, $origin }	2210	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2211	if $Coro::current == $Coro::main;
		2212
		2213	find $path, $origin
1460	}	2214	}
1461		2215
1462	sub do_load_sync {	2216	sub do_load_sync {
1463	my ($map) = @_;	2217	my ($map) = @_;
1464		2218
1465	cf::sync_job { $map->load };	2219	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2220	if $Coro::current == $Coro::main;
		2221
		2222	$map->load;
		2223	}
		2224
		2225	our %MAP_PREFETCH;
		2226	our $MAP_PREFETCHER = undef;
		2227
		2228	sub find_async {
		2229	my ($path, $origin, $load) = @_;
		2230
		2231	$path = normalise $path, $origin && $origin->{path};
		2232
		2233	if (my $map = $cf::MAP{$path}) {
		2234	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2235	}
		2236
		2237	$MAP_PREFETCH{$path} |= $load;
		2238
		2239	$MAP_PREFETCHER ||= cf::async {
		2240	$Coro::current->{desc} = "map prefetcher";
		2241
		2242	while (%MAP_PREFETCH) {
		2243	while (my ($k, $v) = each %MAP_PREFETCH) {
		2244	if (my $map = find $k) {
		2245	$map->load if $v;
		2246	}
		2247
		2248	delete $MAP_PREFETCH{$k};
		2249	}
		2250	}
		2251	undef $MAP_PREFETCHER;
		2252	};
		2253	$MAP_PREFETCHER->prio (6);
		2254
		2255	()
		2256	}
		2257
		2258	# common code, used by both ->save and ->swapout
		2259	sub _save {
		2260	my ($self) = @_;
		2261
		2262	$self->{last_save} = $cf::RUNTIME;
		2263
		2264	return unless $self->dirty;
		2265
		2266	my $save = $self->save_path; utf8::encode $save;
		2267	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2268
		2269	$self->{load_path} = $save;
		2270
		2271	return if $self->{deny_save};
		2272
		2273	local $self->{last_access} = $self->last_access;#d#
		2274
		2275	cf::async {
		2276	$Coro::current->{desc} = "map player save";
		2277	$_->contr->save for $self->players;
		2278	};
		2279
		2280	cf::get_slot 0.02;
		2281
		2282	if ($uniq) {
		2283	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2284	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2285	} else {
		2286	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2287	}
1466	}	2288	}
1467		2289
1468	sub save {	2290	sub save {
1469	my ($self) = @_;	2291	my ($self) = @_;
1470		2292
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2294
1473	$self->{last_save} = $cf::RUNTIME;	2295	$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	}	2296	}
1497		2297
1498	sub swap_out {	2298	sub swap_out {
1499	my ($self) = @_;	2299	my ($self) = @_;
1500		2300
1501	# save first because save cedes
1502	$self->save;
1503
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2301	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2302
		2303	return if $self->in_memory != cf::MAP_ACTIVE;
		2304	return if $self->{deny_save};
1506	return if $self->players;	2305	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;
1508	return if $self->{deny_save};
1509		2306
		2307	# first deactivate the map and "unlink" it from the core
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->in_memory (cf::MAP_SWAPPED);
		2311
		2312	# then atomically save
		2313	$self->_save;
		2314
		2315	# then free the map
1510	$self->clear;	2316	$self->clear;
1511	$self->in_memory (cf::MAP_SWAPPED);
1512	}	2317	}
1513		2318
1514	sub reset_at {	2319	sub reset_at {
1515	my ($self) = @_;	2320	my ($self) = @_;
1516		2321
1517	# TODO: safety, remove and allow resettable per-player maps	2322	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2323	return 1e99 if $self->{deny_reset};
1520		2324
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2325	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2326	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2327
…		…
1528	my ($self) = @_;	2332	my ($self) = @_;
1529		2333
1530	$self->reset_at <= $cf::RUNTIME	2334	$self->reset_at <= $cf::RUNTIME
1531	}	2335	}
1532		2336
1533	sub unlink_save {
1534	my ($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	$self->save;
1552	}
1553
1554	sub reset {	2337	sub reset {
1555	my ($self) = @_;	2338	my ($self) = @_;
1556		2339
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2340	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2341
1559	return if $self->players;	2342	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2343
1562	warn "resetting map ", $self->path;#d#	2344	cf::trace "resetting map ", $self->path, "\n";
		2345
		2346	$self->in_memory (cf::MAP_SWAPPED);
		2347
		2348	# need to save uniques path
		2349	unless ($self->{deny_save}) {
		2350	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2351
		2352	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2353	if $uniq;
		2354	}
1563		2355
1564	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1565		2357
		2358	$self->deactivate;
1566	$_->clear_links_to ($self) for values %cf::MAP;	2359	$_->clear_links_to ($self) for values %cf::MAP;
		2360	$self->clear;
1567		2361
1568	$self->unlink_save;	2362	$self->unlink_save;
1569	$self->destroy;	2363	$self->destroy;
1570	}	2364	}
1571		2365
1572	my $nuke_counter = "aaaa";	2366	my $nuke_counter = "aaaa";
1573		2367
1574	sub nuke {	2368	sub nuke {
1575	my ($self) = @_;	2369	my ($self) = @_;
1576		2370
		2371	{
		2372	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2373
		2374	delete $cf::MAP{$self->path};
		2375
		2376	$self->unlink_save;
		2377
		2378	bless $self, "cf::map::wrap";
		2379	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2380	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2381	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2382	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2383
		2384	$cf::MAP{$self->path} = $self;
		2385	}
		2386
1580	$self->reset; # polite request, might not happen	2387	$self->reset; # polite request, might not happen
1581	}	2388	}
1582		2389
1583	sub customise_for {	2390	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2391
1586	if ($map->per_player) {	2392	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2393	maps. May block.
		2394
		2395	=cut
		2396
		2397	sub tmp_maps() {
1588	}	2398	[
1589		2399	map {
1590	$map	2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise $_
		2403	: ()
		2404	} @{ aio_readdir $TMPDIR or [] }
		2405	]
1591	}	2406	}
1592		2407
1593	sub emergency_save {	2408	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2409
1596	warn "enter emergency perl save\n";	2410	Returns an arrayref with all map paths of currently instantiated and saved
		2411	random maps. May block.
1597		2412
1598	cf::sync_job {	2413	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2414
1603	warn "begin emergency map save\n";	2415	sub random_maps() {
1604	$_->save for values %cf::MAP;	2416	[
1605	warn "end emergency map save\n";	2417	map {
		2418	utf8::decode $_;
		2419	/\.map$/
		2420	? normalise "?random/$_"
		2421	: ()
		2422	} @{ aio_readdir $RANDOMDIR or [] }
		2423	]
		2424	}
		2425
		2426	=item cf::map::unique_maps
		2427
		2428	Returns an arrayref of paths of all shared maps that have
		2429	instantiated unique items. May block.
		2430
		2431	=cut
		2432
		2433	sub unique_maps() {
		2434	[
		2435	map {
		2436	utf8::decode $_;
		2437	s/\.map$//; # TODO future compatibility hack
		2438	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2439	? ()
		2440	: normalise $_
		2441	} @{ aio_readdir $UNIQUEDIR or [] }
		2442	]
		2443	}
		2444
		2445	=item cf::map::static_maps
		2446
		2447	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2448	file in the shared directory excluding F</styles> and F</editor>). May
		2449	block.
		2450
		2451	=cut
		2452
		2453	sub static_maps() {
		2454	my @dirs = "";
		2455	my @maps;
		2456
		2457	while (@dirs) {
		2458	my $dir = shift @dirs;
		2459
		2460	next if $dir eq "/styles" || $dir eq "/editor";
		2461
		2462	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2463	or return;
		2464
		2465	for (@$files) {
		2466	s/\.map$// or next;
		2467	utf8::decode $_;
		2468	push @maps, "$dir/$_";
		2469	}
		2470
		2471	push @dirs, map "$dir/$_", @$dirs;
1606	};	2472	}
1607		2473
1608	warn "leave emergency perl save\n";	2474	\@maps
		2475	}
		2476
		2477	=back
		2478
		2479	=head3 cf::object
		2480
		2481	=cut
		2482
		2483	package cf::object;
		2484
		2485	=over 4
		2486
		2487	=item $ob->inv_recursive
		2488
		2489	Returns the inventory of the object I<and> their inventories, recursively,
		2490	but I<not> the object itself.
		2491
		2492	=cut
		2493
		2494	sub inv_recursive_;
		2495	sub inv_recursive_ {
		2496	map { $_, inv_recursive_ $_->inv } @_
		2497	}
		2498
		2499	sub inv_recursive {
		2500	inv_recursive_ inv $_[0]
		2501	}
		2502
		2503	=item $ref = $ob->ref
		2504
		2505	Creates and returns a persistent reference to an object that can be stored as a string.
		2506
		2507	=item $ob = cf::object::deref ($refstring)
		2508
		2509	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2510	even if the object actually exists. May block.
		2511
		2512	=cut
		2513
		2514	sub deref {
		2515	my ($ref) = @_;
		2516
		2517	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2518	my ($uuid, $name) = ($1, $2);
		2519	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2520	or return;
		2521	$pl->ob->uuid eq $uuid
		2522	or return;
		2523
		2524	$pl->ob
		2525	} else {
		2526	warn "$ref: cannot resolve object reference\n";
		2527	undef
		2528	}
1609	}	2529	}
1610		2530
1611	package cf;	2531	package cf;
1612		2532
1613	=back	2533	=back
1614
1615		2534
1616	=head3 cf::object::player	2535	=head3 cf::object::player
1617		2536
1618	=over 4	2537	=over 4
1619		2538
…		…
1622	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2541	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	2542	can be C<undef>. Does the right thing when the player is currently in a
1624	dialogue with the given NPC character.	2543	dialogue with the given NPC character.
1625		2544
1626	=cut	2545	=cut
		2546
		2547	our $SAY_CHANNEL = {
		2548	id => "say",
		2549	title => "Map",
		2550	reply => "say ",
		2551	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2552	};
		2553
		2554	our $CHAT_CHANNEL = {
		2555	id => "chat",
		2556	title => "Chat",
		2557	reply => "chat ",
		2558	tooltip => "Player chat and shouts, global to the server.",
		2559	};
1627		2560
1628	# rough implementation of a future "reply" method that works	2561	# rough implementation of a future "reply" method that works
1629	# with dialog boxes.	2562	# with dialog boxes.
1630	#TODO: the first argument must go, split into a $npc->reply_to ( method	2563	#TODO: the first argument must go, split into a $npc->reply_to ( method
1631	sub cf::object::player::reply($$$;$) {	2564	sub cf::object::player::reply($$$;$) {
…		…
1633		2566
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2567	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2568
1636	if ($self->{record_replies}) {	2569	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2570	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2571
1638	} else {	2572	} else {
		2573	my $pl = $self->contr;
		2574
		2575	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2576	my $dialog = $pl->{npc_dialog};
		2577	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2578
		2579	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2580	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2581	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2582	}
1641	}	2583	}
		2584	}
		2585
		2586	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2587
		2588	=cut
		2589
		2590	sub cf::object::send_msg {
		2591	my $pl = shift->contr
		2592	or return;
		2593	$pl->send_msg (@_);
1642	}	2594	}
1643		2595
1644	=item $player_object->may ("access")	2596	=item $player_object->may ("access")
1645		2597
1646	Returns wether the given player is authorized to access resource "access"	2598	Returns wether the given player is authorized to access resource "access"
…		…
1659		2611
1660	=item $player_object->enter_link	2612	=item $player_object->enter_link
1661		2613
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2614	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2615
1664	The player should be reaosnably safe there for short amounts of time. You	2616	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.	2617	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2618	though, as the player cannot control the character while it is on the link
		2619	map.
		2620
		2621	Will never block.
1666		2622
1667	=item $player_object->leave_link ($map, $x, $y)	2623	=item $player_object->leave_link ($map, $x, $y)
1668		2624
1669	Moves the player out of the specila link map onto the given map. If the	2625	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2626	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2627	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2628	fails, to the emergency map position.
1673		2629
1674	Might block.	2630	Might block.
1675		2631
1676	=cut	2632	=cut
		2633
		2634	sub link_map {
		2635	unless ($LINK_MAP) {
		2636	$LINK_MAP = cf::map::find "{link}"
		2637	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2638	$LINK_MAP->load;
		2639	}
		2640
		2641	$LINK_MAP
		2642	}
1677		2643
1678	sub cf::object::player::enter_link {	2644	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2645	my ($self) = @_;
1680		2646
1681	$self->deactivate_recursive;	2647	$self->deactivate_recursive;
1682		2648
1683	return if $self->map == $LINK_MAP;	2649	++$self->{_link_recursion};
		2650
		2651	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2652
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2653	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2654	if $self->map && $self->map->{path} ne "{link}";
1687		2655
1688	$self->enter_map ($LINK_MAP, 20, 20);	2656	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1689	}	2657	}
1690		2658
1691	sub cf::object::player::leave_link {	2659	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2660	my ($self, $map, $x, $y) = @_;
		2661
		2662	return unless $self->contr->active;
1693		2663
1694	my $link_pos = delete $self->{_link_pos};	2664	my $link_pos = delete $self->{_link_pos};
1695		2665
1696	unless ($map) {	2666	unless ($map) {
1697	# restore original map position	2667	# restore original map position
…		…
1708	($x, $y) = (-1, -1)	2678	($x, $y) = (-1, -1)
1709	unless (defined $x) && (defined $y);	2679	unless (defined $x) && (defined $y);
1710		2680
1711	# use -1 or undef as default coordinates, not 0, 0	2681	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2682	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2683	if $x <= 0 && $y <= 0;
1714		2684
1715	$map->load;	2685	$map->load;
		2686	$map->load_neighbours;
1716		2687
1717	return unless $self->contr->active;	2688	return unless $self->contr->active;
		2689
		2690	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2691	if ($self->enter_map ($map, $x, $y)) {
		2692	# entering was successful
		2693	delete $self->{_link_recursion};
		2694	# only activate afterwards, to support waiting in hooks
1718	$self->activate_recursive;	2695	$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	$pl->ob->leave_link
1730	};
1731	}
1732	},	2696	}
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2697
1736	# try to abort aborted map switching on player login :)	2698	}
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		2699
1754	=item $player_object->goto ($path, $x, $y)	2700	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1755		2701
		2702	Moves the player to the given map-path and coordinates by first freezing
		2703	her, loading and preparing them map, calling the provided $check callback
		2704	that has to return the map if sucecssful, and then unfreezes the player on
		2705	the new (success) or old (failed) map position. In either case, $done will
		2706	be called at the end of this process.
		2707
		2708	Note that $check will be called with a potentially non-loaded map, so if
		2709	it needs a loaded map it has to call C<< ->load >>.
		2710
1756	=cut	2711	=cut
		2712
		2713	our $GOTOGEN;
1757		2714
1758	sub cf::object::player::goto {	2715	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2716	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2717
1761	$path = new cf::path $path;	2718	if ($self->{_link_recursion} >= $MAX_LINKS) {
1762	$path ne "/" or Carp::cluck ("oy");#d#	2719	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2720	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2721	($path, $x, $y) = @$EMERGENCY_POSITION;
		2722	}
		2723
		2724	# do generation counting so two concurrent goto's will be executed in-order
		2725	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2726
1764	$self->enter_link;	2727	$self->enter_link;
1765		2728
1766	(async {	2729	(async {
1767	my $map = cf::map::find $path->as_string;	2730	$Coro::current->{desc} = "player::goto $path $x $y";
		2731
		2732	# *tag paths override both path and x|y
		2733	if ($path =~ /^\*(.*)$/) {
		2734	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2735	my $ob = $obs[rand @obs];
		2736
		2737	# see if we actually can go there
		2738	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2739	$ob = $obs[rand @obs];
		2740	} else {
		2741	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2742	}
		2743	# else put us there anyways for now #d#
		2744
		2745	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2746	} else {
		2747	($path, $x, $y) = (undef, undef, undef);
		2748	}
		2749	}
		2750
		2751	my $map = eval {
		2752	my $map = defined $path ? cf::map::find $path : undef;
		2753
		2754	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2755	$map = $map->customise_for ($self);
1769		2756	$map = $check->($map, $x, $y, $self) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2757	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2758	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
1774		2760
		2761	$map
		2762	};
		2763
		2764	if ($@) {
		2765	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2766	LOG llevError | logBacktrace, Carp::longmess $@;
		2767	}
		2768
		2769	if ($gen == $self->{_goto_generation}) {
		2770	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2771	$self->leave_link ($map, $x, $y);
		2772	}
		2773
		2774	$done->($self) if $done;
1776	})->prio (1);	2775	})->prio (1);
1777	}	2776	}
1778		2777
1779	=item $player_object->enter_exit ($exit_object)	2778	=item $player_object->enter_exit ($exit_object)
1780		2779
…		…
1782		2781
1783	sub parse_random_map_params {	2782	sub parse_random_map_params {
1784	my ($spec) = @_;	2783	my ($spec) = @_;
1785		2784
1786	my $rmp = { # defaults	2785	my $rmp = { # defaults
1787	xsize => 10,	2786	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2787	ysize => (cf::rndm 15, 40),
		2788	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2789	#layout => string,
1789	};	2790	};
1790		2791
1791	for (split /\n/, $spec) {	2792	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2793	my ($k, $v) = split /\s+/, $_, 2;
1793		2794
…		…
1805	# that depends on the exit object	2806	# that depends on the exit object
1806		2807
1807	my $rmp = parse_random_map_params $exit->msg;	2808	my $rmp = parse_random_map_params $exit->msg;
1808		2809
1809	if ($exit->map) {	2810	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2811	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2812	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2813	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2814	$rmp->{origin_y} = $exit->y;
		2815
		2816	$exit->map->touch;
1814	}	2817	}
1815		2818
1816	$rmp->{random_seed} ||= $exit->random_seed;	2819	$rmp->{random_seed} ||= $exit->random_seed;
1817		2820
1818	my $data = cf::to_json $rmp;	2821	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1819	my $md5 = Digest::MD5::md5_hex $data;	2822	my $md5 = Digest::MD5::md5_hex $data;
		2823	my $meta = "$RANDOMDIR/$md5.meta";
1820		2824
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2825	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2826	aio_write $fh, 0, (length $data), $data, 0;
		2827	undef $fh;
		2828	aio_rename "$meta~", $meta;
1823		2829
		2830	my $slaying = "?random/$md5";
		2831
		2832	if ($exit->valid) {
1824	$exit->slaying ("?random/$md5");	2833	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2834	$exit->msg (undef);
		2835	}
1826	}	2836	}
1827	}	2837	}
1828		2838
1829	sub cf::object::player::enter_exit {	2839	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2840	my ($self, $exit) = @_;
…		…
1832	return unless $self->type == cf::PLAYER;	2842	return unless $self->type == cf::PLAYER;
1833		2843
1834	$self->enter_link;	2844	$self->enter_link;
1835		2845
1836	(async {	2846	(async {
1837	$self->deactivate_recursive; # just to be sure	2847	$Coro::current->{desc} = "enter_exit";
		2848
1838	unless (eval {	2849	unless (eval {
		2850	$self->deactivate_recursive; # just to be sure
		2851
		2852	# random map handling
		2853	{
		2854	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2855
1839	prepare_random_map $exit	2856	prepare_random_map $exit
1840	if $exit->slaying eq "/!";	2857	if $exit->slaying eq "/!";
		2858	}
1841		2859
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2860	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2861	my $x = $exit->stats->hp;
		2862	my $y = $exit->stats->sp;
1844		2863
		2864	$self->goto ($map, $x, $y);
		2865
		2866	# if exit is damned, update players death & WoR home-position
		2867	$self->contr->savebed ($map, $x, $y)
		2868	if $exit->flag (cf::FLAG_DAMNED);
		2869
1845	1;	2870	1
1846	}) {	2871	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2872	$self->message ("Something went wrong deep within the deliantra server. "
1848	. "I'll try to bring you back to the map you were before. "	2873	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2874	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2875	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2876
1852	warn "ERROR in enter_exit: $@";	2877	error "ERROR in enter_exit: $@";
1853	$self->leave_link;	2878	$self->leave_link;
1854	}	2879	}
1855	})->prio (1);	2880	})->prio (1);
1856	}	2881	}
1857		2882
…		…
1868		2893
1869	sub cf::client::send_drawinfo {	2894	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2895	my ($self, $text, $flags) = @_;
1871		2896
1872	utf8::encode $text;	2897	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2898	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2899	}
1875		2900
		2901	=item $client->send_big_packet ($pkt)
		2902
		2903	Like C<send_packet>, but tries to compress large packets, and fragments
		2904	them as required.
		2905
		2906	=cut
		2907
		2908	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2909
		2910	sub cf::client::send_big_packet {
		2911	my ($self, $pkt) = @_;
		2912
		2913	# try lzf for large packets
		2914	$pkt = "lzf " . Compress::LZF::compress $pkt
		2915	if 1024 <= length $pkt and $self->{can_lzf};
		2916
		2917	# split very large packets
		2918	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2919	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2920	$pkt = "frag";
		2921	}
		2922
		2923	$self->send_packet ($pkt);
		2924	}
		2925
		2926	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2927
		2928	Send a drawinfo or msg packet to the client, formatting the msg for the
		2929	client if neccessary. C<$type> should be a string identifying the type of
		2930	the message, with C<log> being the default. If C<$color> is negative, suppress
		2931	the message unless the client supports the msg packet.
		2932
		2933	=cut
		2934
		2935	# non-persistent channels (usually the info channel)
		2936	our %CHANNEL = (
		2937	"c/motd" => {
		2938	id => "infobox",
		2939	title => "MOTD",
		2940	reply => undef,
		2941	tooltip => "The message of the day",
		2942	},
		2943	"c/identify" => {
		2944	id => "infobox",
		2945	title => "Identify",
		2946	reply => undef,
		2947	tooltip => "Items recently identified",
		2948	},
		2949	"c/examine" => {
		2950	id => "infobox",
		2951	title => "Examine",
		2952	reply => undef,
		2953	tooltip => "Signs and other items you examined",
		2954	},
		2955	"c/shopinfo" => {
		2956	id => "infobox",
		2957	title => "Shop Info",
		2958	reply => undef,
		2959	tooltip => "What your bargaining skill tells you about the shop",
		2960	},
		2961	"c/book" => {
		2962	id => "infobox",
		2963	title => "Book",
		2964	reply => undef,
		2965	tooltip => "The contents of a note or book",
		2966	},
		2967	"c/lookat" => {
		2968	id => "infobox",
		2969	title => "Look",
		2970	reply => undef,
		2971	tooltip => "What you saw there",
		2972	},
		2973	"c/who" => {
		2974	id => "infobox",
		2975	title => "Players",
		2976	reply => undef,
		2977	tooltip => "Shows players who are currently online",
		2978	},
		2979	"c/body" => {
		2980	id => "infobox",
		2981	title => "Body Parts",
		2982	reply => undef,
		2983	tooltip => "Shows which body parts you posess and are available",
		2984	},
		2985	"c/statistics" => {
		2986	id => "infobox",
		2987	title => "Statistics",
		2988	reply => undef,
		2989	tooltip => "Shows your primary statistics",
		2990	},
		2991	"c/skills" => {
		2992	id => "infobox",
		2993	title => "Skills",
		2994	reply => undef,
		2995	tooltip => "Shows your experience per skill and item power",
		2996	},
		2997	"c/shopitems" => {
		2998	id => "infobox",
		2999	title => "Shop Items",
		3000	reply => undef,
		3001	tooltip => "Shows the items currently for sale in this shop",
		3002	},
		3003	"c/resistances" => {
		3004	id => "infobox",
		3005	title => "Resistances",
		3006	reply => undef,
		3007	tooltip => "Shows your resistances",
		3008	},
		3009	"c/pets" => {
		3010	id => "infobox",
		3011	title => "Pets",
		3012	reply => undef,
		3013	tooltip => "Shows information abotu your pets/a specific pet",
		3014	},
		3015	"c/perceiveself" => {
		3016	id => "infobox",
		3017	title => "Perceive Self",
		3018	reply => undef,
		3019	tooltip => "You gained detailed knowledge about yourself",
		3020	},
		3021	"c/uptime" => {
		3022	id => "infobox",
		3023	title => "Uptime",
		3024	reply => undef,
		3025	tooltip => "How long the server has been running since last restart",
		3026	},
		3027	"c/mapinfo" => {
		3028	id => "infobox",
		3029	title => "Map Info",
		3030	reply => undef,
		3031	tooltip => "Information related to the maps",
		3032	},
		3033	"c/party" => {
		3034	id => "party",
		3035	title => "Party",
		3036	reply => "gsay ",
		3037	tooltip => "Messages and chat related to your party",
		3038	},
		3039	"c/death" => {
		3040	id => "death",
		3041	title => "Death",
		3042	reply => undef,
		3043	tooltip => "Reason for and more info about your most recent death",
		3044	},
		3045	"c/say" => $SAY_CHANNEL,
		3046	"c/chat" => $CHAT_CHANNEL,
		3047	);
		3048
		3049	sub cf::client::send_msg {
		3050	my ($self, $channel, $msg, $color, @extra) = @_;
		3051
		3052	$msg = $self->pl->expand_cfpod ($msg)
		3053	unless $color & cf::NDI_VERBATIM;
		3054
		3055	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3056
		3057	# check predefined channels, for the benefit of C
		3058	if ($CHANNEL{$channel}) {
		3059	$channel = $CHANNEL{$channel};
		3060
		3061	$self->ext_msg (channel_info => $channel);
		3062	$channel = $channel->{id};
		3063
		3064	} elsif (ref $channel) {
		3065	# send meta info to client, if not yet sent
		3066	unless (exists $self->{channel}{$channel->{id}}) {
		3067	$self->{channel}{$channel->{id}} = $channel;
		3068	$self->ext_msg (channel_info => $channel);
		3069	}
		3070
		3071	$channel = $channel->{id};
		3072	}
		3073
		3074	return unless @extra || length $msg;
		3075
		3076	# default colour, mask it out
		3077	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3078	if $color & cf::NDI_DEF;
		3079
		3080	my $pkt = "msg "
		3081	. $self->{json_coder}->encode (
		3082	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3083	);
		3084
		3085	$self->send_big_packet ($pkt);
		3086	}
		3087
		3088	=item $client->ext_msg ($type, @msg)
		3089
		3090	Sends an ext event to the client.
		3091
		3092	=cut
		3093
		3094	sub cf::client::ext_msg($$@) {
		3095	my ($self, $type, @msg) = @_;
		3096
		3097	if ($self->extcmd == 2) {
		3098	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3099	} elsif ($self->extcmd == 1) { # TODO: remove
		3100	push @msg, msgtype => "event_$type";
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
		3104
		3105	=item $client->ext_reply ($msgid, @msg)
		3106
		3107	Sends an ext reply to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_reply($$@) {
		3112	my ($self, $id, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3116	} elsif ($self->extcmd == 1) {
		3117	#TODO: version 1, remove
		3118	unshift @msg, msgtype => "reply", msgid => $id;
		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3120	}
		3121	}
1876		3122
1877	=item $success = $client->query ($flags, "text", \&cb)	3123	=item $success = $client->query ($flags, "text", \&cb)
1878		3124
1879	Queues a query to the client, calling the given callback with	3125	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>,	3126	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>.	3127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		3128
1883	Queries can fail, so check the return code. Or don't, as queries will become	3129	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	3130	become reliable at some point in the future.
1885		3131
1886	=cut	3132	=cut
1887		3133
1888	sub cf::client::query {	3134	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	3135	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	3143	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		3145
1900	$self->send_packet ($self->{query_queue}[0][0])	3146	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	3147	if @{ $self->{query_queue} } == 1;
		3148
		3149	1
1902	}	3150	}
1903		3151
1904	cf::client->attach (	3152	cf::client->attach (
		3153	on_connect => sub {
		3154	my ($ns) = @_;
		3155
		3156	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3157	},
1905	on_reply => sub {	3158	on_reply => sub {
1906	my ($ns, $msg) = @_;	3159	my ($ns, $msg) = @_;
1907		3160
1908	# this weird shuffling is so that direct followup queries	3161	# this weird shuffling is so that direct followup queries
1909	# get handled first	3162	# get handled first
1910	my $queue = delete $ns->{query_queue}	3163	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	3164	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		3165
1913	(shift @$queue)->[1]->($msg);	3166	(shift @$queue)->[1]->($msg);
		3167	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		3168
1915	push @{ $ns->{query_queue} }, @$queue;	3169	push @{ $ns->{query_queue} }, @$queue;
1916		3170
1917	if (@{ $ns->{query_queue} } == @$queue) {	3171	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	3172	if (@$queue) {
…		…
1920	} else {	3174	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3175	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	3176	}
1923	}	3177	}
1924	},	3178	},
		3179	on_exticmd => sub {
		3180	my ($ns, $buf) = @_;
		3181
		3182	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3183
		3184	if (ref $msg) {
		3185	my ($type, $reply, @payload) =
		3186	"ARRAY" eq ref $msg
		3187	? @$msg
		3188	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3189
		3190	my @reply;
		3191
		3192	if (my $cb = $EXTICMD{$type}) {
		3193	@reply = $cb->($ns, @payload);
		3194	}
		3195
		3196	$ns->ext_reply ($reply, @reply)
		3197	if $reply;
		3198
		3199	} else {
		3200	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3201	}
		3202
		3203	cf::override;
		3204	},
1925	);	3205	);
1926		3206
1927	=item $client->async (\&cb)	3207	=item $client->async (\&cb)
1928		3208
1929	Create a new coroutine, running the specified callback. The coroutine will	3209	Create a new coroutine, running the specified callback. The coroutine will
…		…
1945		3225
1946	$coro	3226	$coro
1947	}	3227	}
1948		3228
1949	cf::client->attach (	3229	cf::client->attach (
1950	on_destroy => sub {	3230	on_client_destroy => sub {
1951	my ($ns) = @_;	3231	my ($ns) = @_;
1952		3232
1953	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3233	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1954	},	3234	},
1955	);	3235	);
…		…
1970	our $safe = new Safe "safe";	3250	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	3251	our $safe_hole = new Safe::Hole;
1972		3252
1973	$SIG{FPE} = 'IGNORE';	3253	$SIG{FPE} = 'IGNORE';
1974		3254
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3255	$safe->permit_only (Opcode::opset qw(
		3256	:base_core :base_mem :base_orig :base_math :base_loop
		3257	grepstart grepwhile mapstart mapwhile
		3258	sort time
		3259	));
1976		3260
1977	# here we export the classes and methods available to script code	3261	# here we export the classes and methods available to script code
1978		3262
1979	=pod	3263	=pod
1980		3264
1981	The following fucntions and emthods are available within a safe environment:	3265	The following functions and methods are available within a safe environment:
1982		3266
1983	cf::object contr pay_amount pay_player map	3267	cf::object
		3268	contr pay_amount pay_player map x y force_find force_add destroy
		3269	insert remove name archname title slaying race decrease split
		3270	value
		3271
1984	cf::object::player player	3272	cf::object::player
1985	cf::player peaceful	3273	player
1986	cf::map trigger	3274
		3275	cf::player
		3276	peaceful
		3277
		3278	cf::map
		3279	trigger
1987		3280
1988	=cut	3281	=cut
1989		3282
1990	for (	3283	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	3284	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3285	insert remove inv nrof name archname title slaying race
		3286	decrease split destroy change_exp value msg lore send_msg)],
1992	["cf::object::player" => qw(player)],	3287	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	3288	["cf::player" => qw(peaceful send_msg)],
1994	["cf::map" => qw(trigger)],	3289	["cf::map" => qw(trigger)],
1995	) {	3290	) {
1996	no strict 'refs';
1997	my ($pkg, @funs) = @$_;	3291	my ($pkg, @funs) = @$_;
1998	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3292	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1999	for @funs;	3293	for @funs;
2000	}	3294	}
2001		3295
…		…
2016		3310
2017	my $qcode = $code;	3311	my $qcode = $code;
2018	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3312	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2019	$qcode =~ s/\n/\\n/g;	3313	$qcode =~ s/\n/\\n/g;
2020		3314
		3315	%vars = (_dummy => 0) unless %vars;
		3316
		3317	my @res;
2021	local $_;	3318	local $_;
2022	local @safe::cf::_safe_eval_args = values %vars;
2023		3319
2024	my $eval =	3320	my $eval =
2025	"do {\n"	3321	"do {\n"
2026	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3322	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2027	. "#line 0 \"{$qcode}\"\n"	3323	. "#line 0 \"{$qcode}\"\n"
2028	. $code	3324	. $code
2029	. "\n}"	3325	. "\n}"
2030	;	3326	;
2031		3327
		3328	if ($CFG{safe_eval}) {
2032	sub_generation_inc;	3329	sub_generation_inc;
		3330	local @safe::cf::_safe_eval_args = values %vars;
2033	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3331	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2034	sub_generation_inc;	3332	sub_generation_inc;
		3333	} else {
		3334	local @cf::_safe_eval_args = values %vars;
		3335	@res = wantarray ? eval eval : scalar eval $eval;
		3336	}
2035		3337
2036	if ($@) {	3338	if ($@) {
2037	warn "$@";	3339	warn "$@",
2038	warn "while executing safe code '$code'\n";	3340	"while executing safe code '$code'\n",
2039	warn "with arguments " . (join " ", %vars) . "\n";	3341	"with arguments " . (join " ", %vars) . "\n";
2040	}	3342	}
2041		3343
2042	wantarray ? @res : $res[0]	3344	wantarray ? @res : $res[0]
2043	}	3345	}
2044		3346
…		…
2058	=cut	3360	=cut
2059		3361
2060	sub register_script_function {	3362	sub register_script_function {
2061	my ($fun, $cb) = @_;	3363	my ($fun, $cb) = @_;
2062		3364
2063	no strict 'refs';	3365	$fun = "safe::$fun" if $CFG{safe_eval};
2064	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3366	*$fun = $safe_hole->wrap ($cb);
2065	}	3367	}
2066		3368
2067	=back	3369	=back
2068		3370
2069	=cut	3371	=cut
2070		3372
2071	#############################################################################	3373	#############################################################################
		3374	# the server's init and main functions
2072		3375
2073	=head2 EXTENSION DATABASE SUPPORT	3376	sub load_facedata($) {
		3377	my ($path) = @_;
2074		3378
2075	Crossfire maintains a very simple database for extension use. It can	3379	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	3380	# for this (global event?)
2077	excludes objects.	3381	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		3382
2079	The parameter C<$family> should best start with the name of the extension	3383	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		3384
2082	=over 4	3385	trace "loading facedata from $path\n";
2083		3386
2084	=item $hashref = cf::db_get $family	3387	0 < aio_load $path, my $facedata
		3388	or die "$path: $!";
2085		3389
2086	Return a hashref for use by the extension C<$family>, which can be	3390	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		3391
2090	=item $value = cf::db_get $family => $key	3392	$facedata->{version} == 2
		3393	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		3394
2092	Returns a single value from the database	3395	# patch in the exptable
2093		3396	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2094	=item cf::db_put $family => $hashref	3397	$facedata->{resource}{"res/exp_table"} = {
2095		3398	type => FT_RSRC,
2096	Stores the given family hashref into the database. Updates are delayed, if	3399	data => $exp_table,
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3400	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	});	3401	};
		3402	cf::cede_to_tick;
2145		3403
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	3404	{
		3405	my $faces = $facedata->{faceinfo};
2150		3406
2151	sub db_get($;$) {	3407	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	3408	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		3409
2157	sub db_put($$;$) {	3410	cf::face::set_visibility $idx, $info->{visibility};
2158	if (@_ >= 3) {	3411	cf::face::set_magicmap $idx, $info->{magicmap};
2159	$DB->{$_[0]}{$_[1]} = $_[2];	3412	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2160	} else {	3413	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		3414
2166	cf::global->attach (	3415	cf::cede_to_tick;
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	3416	}
2171	);
2172	}
2173		3417
2174	#############################################################################	3418	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	3419	next unless $info->{smooth};
2176		3420
2177	sub cfg_load {	3421	my $idx = cf::face::find $face
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3422	or next;
2179	or return;
2180		3423
2181	local $/;	3424	if (my $smooth = cf::face::find $info->{smooth}) {
		3425	cf::face::set_smooth $idx, $smooth;
		3426	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3427	} else {
		3428	error "smooth face '$info->{smooth}' not found for face '$face'";
		3429	}
		3430
		3431	cf::cede_to_tick;
		3432	}
		3433	}
		3434
		3435	{
		3436	my $anims = $facedata->{animinfo};
		3437
		3438	while (my ($anim, $info) = each %$anims) {
		3439	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3440	cf::cede_to_tick;
		3441	}
		3442
		3443	cf::anim::invalidate_all; # d'oh
		3444	}
		3445
		3446	{
		3447	my $res = $facedata->{resource};
		3448
		3449	while (my ($name, $info) = each %$res) {
		3450	if (defined $info->{type}) {
		3451	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3452
		3453	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3454	cf::face::set_type $idx, $info->{type};
		3455	} else {
		3456	$RESOURCE{$name} = $info; # unused
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3464
		3465	1
		3466	}
		3467
		3468	register_exticmd fx_want => sub {
		3469	my ($ns, $want) = @_;
		3470
		3471	while (my ($k, $v) = each %$want) {
		3472	$ns->fx_want ($k, $v);
		3473	}
		3474	};
		3475
		3476	sub load_resource_file($) {
		3477	my $guard = lock_acquire "load_resource_file";
		3478
		3479	my $status = load_resource_file_ $_[0];
		3480	get_slot 0.1, 100;
		3481	cf::arch::commit_load;
		3482
		3483	$status
		3484	}
		3485
		3486	sub reload_regions {
		3487	# HACK to clear player env face cache, we need some signal framework
		3488	# for this (global event?)
		3489	%ext::player_env::MUSIC_FACE_CACHE = ();
		3490
		3491	load_resource_file "$MAPDIR/regions"
		3492	or die "unable to load regions file\n";
		3493
		3494	for (cf::region::list) {
		3495	$_->{match} = qr/$_->{match}/
		3496	if exists $_->{match};
		3497	}
		3498	}
		3499
		3500	sub reload_facedata {
		3501	load_facedata "$DATADIR/facedata"
		3502	or die "unable to load facedata\n";
		3503	}
		3504
		3505	sub reload_archetypes {
		3506	load_resource_file "$DATADIR/archetypes"
		3507	or die "unable to load archetypes\n";
		3508	}
		3509
		3510	sub reload_treasures {
		3511	load_resource_file "$DATADIR/treasures"
		3512	or die "unable to load treasurelists\n";
		3513	}
		3514
		3515	sub reload_sound {
		3516	trace "loading sound config from $DATADIR/sound\n";
		3517
		3518	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3519	or die "$DATADIR/sound $!";
		3520
		3521	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3522
		3523	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3524	my $sound = $soundconf->{compat}[$_]
		3525	or next;
		3526
		3527	my $face = cf::face::find "sound/$sound->[1]";
		3528	cf::sound::set $sound->[0] => $face;
		3529	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3530	}
		3531
		3532	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3533	my $face = cf::face::find "sound/$v";
		3534	cf::sound::set $k => $face;
		3535	}
		3536	}
		3537
		3538	sub reload_resources {
		3539	trace "reloading resource files...\n";
		3540
		3541	reload_exp_table;
		3542	reload_materials;
		3543	reload_facedata;
		3544	reload_sound;
		3545	reload_archetypes;
		3546	reload_regions;
		3547	reload_treasures;
		3548
		3549	trace "finished reloading resource files\n";
		3550	}
		3551
		3552	sub reload_config {
		3553	trace "reloading config file...\n";
		3554
		3555	0 < aio_load "$CONFDIR/config", my $config
		3556	or die "$CONFDIR/config: $!";
		3557
		3558	utf8::decode $config;
		3559
		3560	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2182	*CFG = YAML::Syck::Load <$fh>;	3561	*CFG = YAML::XS::Load $config;
2183		3562
2184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3563	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2185		3564
2186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3565	$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};	3566	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2188		3567
2189	if (exists $CFG{mlockall}) {	3568	if (exists $CFG{mlockall}) {
…		…
2193	};	3572	};
2194	warn $@ if $@;	3573	warn $@ if $@;
2195	}	3574	}
2196	}	3575	}
2197		3576
		3577	sub pidfile() {
		3578	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3579	or die "$PIDFILE: $!";
		3580	flock $fh, &Fcntl::LOCK_EX
		3581	or die "$PIDFILE: flock: $!";
		3582	$fh
		3583	}
		3584
		3585	# make sure only one server instance is running at any one time
		3586	sub atomic {
		3587	my $fh = pidfile;
		3588
		3589	my $pid = <$fh>;
		3590	kill 9, $pid if $pid > 0;
		3591
		3592	seek $fh, 0, 0;
		3593	print $fh $$;
		3594	}
		3595
		3596	sub main_loop {
		3597	trace "EV::loop starting\n";
		3598	if (1) {
		3599	EV::loop;
		3600	}
		3601	trace "EV::loop returned\n";
		3602	goto &main_loop unless $REALLY_UNLOOP;
		3603	}
		3604
2198	sub main {	3605	sub main {
		3606	cf::init_globals; # initialise logging
		3607
		3608	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3609	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3610	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3611	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3612
		3613	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3614
2199	# we must not ever block the main coroutine	3615	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3616	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3617	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2202	async { Event::one_event };	3618	(async {
		3619	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3620	EV::loop EV::LOOP_ONESHOT;
		3621	})->prio (Coro::PRIO_MAX);
2203	};	3622	};
2204		3623
2205	cfg_load;	3624	evthread_start IO::AIO::poll_fileno;
2206	db_load;	3625
		3626	cf::sync_job {
		3627	cf::incloader::init ();
		3628
		3629	cf::init_anim;
		3630	cf::init_attackmess;
		3631	cf::init_dynamic;
		3632
		3633	cf::load_settings;
		3634
		3635	reload_resources;
		3636	reload_config;
		3637	db_init;
		3638
		3639	cf::init_uuid;
		3640	cf::init_signals;
		3641	cf::init_skills;
		3642
		3643	cf::init_beforeplay;
		3644
		3645	atomic;
		3646
2207	load_extensions;	3647	load_extensions;
2208	Event::loop;	3648
		3649	utime time, time, $RUNTIMEFILE;
		3650
		3651	# no (long-running) fork's whatsoever before this point(!)
		3652	use POSIX ();
		3653	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3654
		3655	(pop @POST_INIT)->(0) while @POST_INIT;
		3656	};
		3657
		3658	cf::object::thawer::errors_are_fatal 0;
		3659	info "parse errors in files are no longer fatal from this point on.\n";
		3660
		3661	my $free_main; $free_main = EV::idle sub {
		3662	undef $free_main;
		3663	undef &main; # free gobs of memory :)
		3664	};
		3665
		3666	goto &main_loop;
2209	}	3667	}
2210		3668
2211	#############################################################################	3669	#############################################################################
2212	# initialisation	3670	# initialisation and cleanup
2213		3671
		3672	# install some emergency cleanup handlers
		3673	BEGIN {
		3674	our %SIGWATCHER = ();
		3675	for my $signal (qw(INT HUP TERM)) {
		3676	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3677	cf::cleanup "SIG$signal";
		3678	};
		3679	}
		3680	}
		3681
		3682	sub write_runtime_sync {
		3683	my $t0 = AE::time;
		3684
		3685	# first touch the runtime file to show we are still running:
		3686	# the fsync below can take a very very long time.
		3687
		3688	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3689
		3690	my $guard = cf::lock_acquire "write_runtime";
		3691
		3692	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3693	or return;
		3694
		3695	my $value = $cf::RUNTIME + 90 + 10;
		3696	# 10 is the runtime save interval, for a monotonic clock
		3697	# 60 allows for the watchdog to kill the server.
		3698
		3699	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3700	and return;
		3701
		3702	# always fsync - this file is important
		3703	aio_fsync $fh
		3704	and return;
		3705
		3706	# touch it again to show we are up-to-date
		3707	aio_utime $fh, undef, undef;
		3708
		3709	close $fh
		3710	or return;
		3711
		3712	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3713	and return;
		3714
		3715	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3716
		3717	1
		3718	}
		3719
		3720	our $uuid_lock;
		3721	our $uuid_skip;
		3722
		3723	sub write_uuid_sync($) {
		3724	$uuid_skip ||= $_[0];
		3725
		3726	return if $uuid_lock;
		3727	local $uuid_lock = 1;
		3728
		3729	my $uuid = "$LOCALDIR/uuid";
		3730
		3731	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3732	or return;
		3733
		3734	my $value = uuid_seq uuid_cur;
		3735
		3736	unless ($value) {
		3737	info "cowardly refusing to write zero uuid value!\n";
		3738	return;
		3739	}
		3740
		3741	my $value = uuid_str $value + $uuid_skip;
		3742	$uuid_skip = 0;
		3743
		3744	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3745	and return;
		3746
		3747	# always fsync - this file is important
		3748	aio_fsync $fh
		3749	and return;
		3750
		3751	close $fh
		3752	or return;
		3753
		3754	aio_rename "$uuid~", $uuid
		3755	and return;
		3756
		3757	trace "uuid file written ($value).\n";
		3758
		3759	1
		3760
		3761	}
		3762
		3763	sub write_uuid($$) {
		3764	my ($skip, $sync) = @_;
		3765
		3766	$sync ? write_uuid_sync $skip
		3767	: async { write_uuid_sync $skip };
		3768	}
		3769
		3770	sub emergency_save() {
		3771	my $freeze_guard = cf::freeze_mainloop;
		3772
		3773	info "emergency_perl_save: enter\n";
		3774
		3775	# this is a trade-off: we want to be very quick here, so
		3776	# save all maps without fsync, and later call a global sync
		3777	# (which in turn might be very very slow)
		3778	local $USE_FSYNC = 0;
		3779
		3780	cf::sync_job {
		3781	cf::write_runtime_sync; # external watchdog should not bark
		3782
		3783	# use a peculiar iteration method to avoid tripping on perl
		3784	# refcount bugs in for. also avoids problems with players
		3785	# and maps saved/destroyed asynchronously.
		3786	info "emergency_perl_save: begin player save\n";
		3787	for my $login (keys %cf::PLAYER) {
		3788	my $pl = $cf::PLAYER{$login} or next;
		3789	$pl->valid or next;
		3790	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3791	$pl->save;
		3792	}
		3793	info "emergency_perl_save: end player save\n";
		3794
		3795	cf::write_runtime_sync; # external watchdog should not bark
		3796
		3797	info "emergency_perl_save: begin map save\n";
		3798	for my $path (keys %cf::MAP) {
		3799	my $map = $cf::MAP{$path} or next;
		3800	$map->valid or next;
		3801	$map->save;
		3802	}
		3803	info "emergency_perl_save: end map save\n";
		3804
		3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin database checkpoint\n";
		3808	BDB::db_env_txn_checkpoint $DB_ENV;
		3809	info "emergency_perl_save: end database checkpoint\n";
		3810
		3811	info "emergency_perl_save: begin write uuid\n";
		3812	write_uuid_sync 1;
		3813	info "emergency_perl_save: end write uuid\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	trace "emergency_perl_save: syncing database to disk";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819
		3820	info "emergency_perl_save: starting sync\n";
		3821	IO::AIO::aio_sync sub {
		3822	info "emergency_perl_save: finished sync\n";
		3823	};
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: flushing outstanding aio requests";
		3828	while (IO::AIO::nreqs || BDB::nreqs) {
		3829	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3830	}
		3831
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833	};
		3834
		3835	info "emergency_perl_save: leave\n";
		3836	}
		3837
		3838	sub post_cleanup {
		3839	my ($make_core) = @_;
		3840
		3841	IO::AIO::flush;
		3842
		3843	error Carp::longmess "post_cleanup backtrace"
		3844	if $make_core;
		3845
		3846	my $fh = pidfile;
		3847	unlink $PIDFILE if <$fh> == $$;
		3848	}
		3849
		3850	# a safer delete_package, copied from Symbol
		3851	sub clear_package($) {
		3852	my $pkg = shift;
		3853
		3854	# expand to full symbol table name if needed
		3855	unless ($pkg =~ /^main::.*::$/) {
		3856	$pkg = "main$pkg" if $pkg =~ /^::/;
		3857	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3858	$pkg .= '::' unless $pkg =~ /::$/;
		3859	}
		3860
		3861	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3862	my $stem_symtab = *{$stem}{HASH};
		3863
		3864	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3865	or return;
		3866
		3867	# clear all symbols
		3868	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3869	for my $name (keys %$leaf_symtab) {
		3870	_gv_clear *{"$pkg$name"};
		3871	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3872	}
		3873	}
		3874
2214	sub reload() {	3875	sub do_reload_perl() {
2215	# can/must only be called in main	3876	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3877	unless (in_main) {
2217	warn "can only reload from main coroutine\n";	3878	error "can only reload from main coroutine";
2218	return;	3879	return;
2219	}	3880	}
2220		3881
		3882	return if $RELOAD++;
		3883
		3884	my $t1 = AE::time;
		3885
		3886	while ($RELOAD) {
		3887	cf::get_slot 0.1, -1, "reload_perl";
2221	warn "reloading...";	3888	info "reloading...";
2222		3889
2223	my $guard = freeze_mainloop;	3890	trace "entering sync_job";
		3891
		3892	cf::sync_job {
2224	cf::emergency_save;	3893	#cf::emergency_save;
2225		3894
2226	eval {
2227	# if anything goes wrong in here, we should simply crash as we already saved
2228
2229	# cancel all watchers
2230	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}
2233
2234	# cancel all extension coros	3895	trace "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	3896	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	3897	%EXT_CORO = ();
2237		3898
2238	# unload all extensions	3899	trace "removing commands";
2239	for (@exts) {	3900	%COMMAND = ();
2240	warn "unloading <$_>";
2241	unload_extension $_;
2242	}
2243		3901
2244	# unload all modules loaded from $LIBDIR	3902	trace "removing ext/exti commands";
2245	while (my ($k, $v) = each %INC) {	3903	%EXTCMD = ();
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3904	%EXTICMD = ();
2247		3905
2248	warn "removing <$k>";	3906	trace "unloading/nuking all extensions";
2249	delete $INC{$k};	3907	for my $pkg (@EXTS) {
		3908	trace "... unloading $pkg";
2250		3909
2251	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;
2253
2254	if (my $cb = $k->can ("unload_module")) {	3910	if (my $cb = $pkg->can ("unload")) {
		3911	eval {
2255	$cb->();	3912	$cb->($pkg);
		3913	1
		3914	} or error "$pkg unloaded, but with errors: $@";
		3915	}
		3916
		3917	trace "... clearing $pkg";
		3918	clear_package $pkg;
2256	}	3919	}
2257		3920
2258	Symbol::delete_package $k;	3921	trace "unloading all perl modules loaded from $LIBDIR";
		3922	while (my ($k, $v) = each %INC) {
		3923	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3924
		3925	trace "... unloading $k";
		3926	delete $INC{$k};
		3927
		3928	$k =~ s/\.pm$//;
		3929	$k =~ s/\//::/g;
		3930
		3931	if (my $cb = $k->can ("unload_module")) {
		3932	$cb->();
		3933	}
		3934
		3935	clear_package $k;
2259	}	3936	}
2260		3937
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3938	trace "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3939	clear_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3940	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3941
2269	# remove register_script_function callbacks	3942	trace "unloading cf.pm \"a bit\"";
2270	# TODO
2271
2272	# unload cf.pm "a bit"
2273	delete $INC{"cf.pm"};	3943	delete $INC{"cf.pm"};
		3944	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2274		3945
2275	# don't, removes xs symbols, too,	3946	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3947	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3948	#clear_package __PACKAGE__;
2278		3949
2279	# reload cf.pm	3950	info "unload completed, starting to reload now";
		3951
2280	warn "reloading cf.pm";	3952	trace "reloading cf.pm";
2281	require cf;	3953	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3954	cf::_connect_to_perl_1;
2283		3955
2284	# load config and database again	3956	trace "loading config and database again";
2285	cf::cfg_load;	3957	cf::reload_config;
2286	cf::db_load;
2287		3958
2288	# load extensions
2289	warn "load extensions";	3959	trace "loading extensions";
2290	cf::load_extensions;	3960	cf::load_extensions;
2291		3961
2292	# reattach attachments to objects	3962	if ($REATTACH_ON_RELOAD) {
2293	warn "reattach";	3963	trace "reattaching attachments to objects/players";
2294	_global_reattach;	3964	_global_reattach; # objects, sockets
		3965	trace "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3966	reattach $_ for values %MAP;
		3967	trace "reattaching attachments to players";
		3968	reattach $_ for values %PLAYER;
		3969	}
		3970
		3971	trace "running post_init jobs";
		3972	(pop @POST_INIT)->(1) while @POST_INIT;
		3973
		3974	trace "leaving sync_job";
		3975
		3976	1
		3977	} or do {
		3978	error $@;
		3979	cf::cleanup "error while reloading, exiting.";
		3980	};
		3981
		3982	info "reloaded";
		3983	--$RELOAD;
		3984	}
		3985
		3986	$t1 = AE::time - $t1;
		3987	info "reload completed in ${t1}s\n";
		3988	};
		3989
		3990	our $RELOAD_WATCHER; # used only during reload
		3991
		3992	sub reload_perl() {
		3993	# doing reload synchronously and two reloads happen back-to-back,
		3994	# coro crashes during coro_state_free->destroy here.
		3995
		3996	$RELOAD_WATCHER ||= cf::async {
		3997	Coro::AIO::aio_wait cache_extensions;
		3998
		3999	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4000	do_reload_perl;
		4001	undef $RELOAD_WATCHER;
		4002	};
2296	};	4003	};
2297
2298	if ($@) {
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} = $LINK_MAP;
2348	}	4004	}
2349
2350	register "<global>", __PACKAGE__;
2351		4005
2352	register_command "reload" => sub {	4006	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	4007	my ($who, $arg) = @_;
2354		4008
2355	if ($who->flag (FLAG_WIZ)) {	4009	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	4010	$who->message ("reloading server.");
		4011	async {
		4012	$Coro::current->{desc} = "perl_reload";
		4013	reload_perl;
		4014	};
2359	}	4015	}
2360	};	4016	};
2361		4017
2362	unshift @INC, $LIBDIR;	4018	#############################################################################
2363		4019
2364	$TICK_WATCHER = Event->timer (	4020	my $bug_warning = 0;
2365	reentrant => 0,	4021
2366	prio => 0,	4022	our @WAIT_FOR_TICK;
2367	at => $NEXT_TICK || $TICK,	4023	our @WAIT_FOR_TICK_BEGIN;
2368	data => WF_AUTOCANCEL,	4024
2369	cb => sub {	4025	sub wait_for_tick() {
		4026	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4027
		4028	my $signal = new Coro::Signal;
		4029	push @WAIT_FOR_TICK, $signal;
		4030	$signal->wait;
		4031	}
		4032
		4033	sub wait_for_tick_begin() {
		4034	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4035
		4036	my $signal = new Coro::Signal;
		4037	push @WAIT_FOR_TICK_BEGIN, $signal;
		4038	$signal->wait;
		4039	}
		4040
		4041	sub tick {
		4042	if ($Coro::current != $Coro::main) {
		4043	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4044	unless ++$bug_warning > 10;
		4045	return;
		4046	}
		4047
2370	cf::server_tick; # one server iteration	4048	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;
2373		4049
2374	# if we are delayed by four ticks or more, skip them all	4050	#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		4051
2377	$TICK_WATCHER->at ($NEXT_TICK);	4052	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2378	$TICK_WATCHER->start;	4053	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2379	},	4054	Coro::async_pool {
2380	);	4055	$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	4056	write_runtime_sync
2399	or warn "ERROR: unable to write runtime file: $!";	4057	or error "ERROR: unable to write runtime file: $!";
2400	})->();	4058	};
2401	},	4059	}
2402	);	4060
		4061	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4062	$sig->send;
		4063	}
		4064	while (my $sig = shift @WAIT_FOR_TICK) {
		4065	$sig->send;
		4066	}
		4067
		4068	$LOAD = ($NOW - $TICK_START) / $TICK;
		4069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4070
		4071	if (0) {
		4072	if ($NEXT_TICK) {
		4073	my $jitter = $TICK_START - $NEXT_TICK;
		4074	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4075	debug "jitter $JITTER\n";#d#
		4076	}
		4077	}
		4078	}
		4079
		4080	{
		4081	# configure BDB
		4082
		4083	BDB::min_parallel 16;
		4084	BDB::max_poll_reqs $TICK * 0.1;
		4085	$AnyEvent::BDB::WATCHER->priority (1);
		4086
		4087	unless ($DB_ENV) {
		4088	$DB_ENV = BDB::db_env_create;
		4089	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4090	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4091	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4092	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4093	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4094
		4095	cf::sync_job {
		4096	eval {
		4097	BDB::db_env_open
		4098	$DB_ENV,
		4099	$BDBDIR,
		4100	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4101	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4102	0666;
		4103
		4104	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4105	};
		4106
		4107	cf::cleanup "db_env_open(db): $@" if $@;
		4108	};
		4109	}
		4110
		4111	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4112	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4113	};
		4114	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4115	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4116	};
		4117	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4118	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4119	};
		4120	}
		4121
		4122	{
		4123	# configure IO::AIO
		4124
		4125	IO::AIO::min_parallel 8;
		4126	IO::AIO::max_poll_time $TICK * 0.1;
		4127	undef $AnyEvent::AIO::WATCHER;
		4128	}
		4129
		4130	my $_log_backtrace;
		4131
		4132	sub _log_backtrace {
		4133	my ($msg, @addr) = @_;
		4134
		4135	$msg =~ s/\n//;
		4136
		4137	# limit the # of concurrent backtraces
		4138	if ($_log_backtrace < 2) {
		4139	++$_log_backtrace;
		4140	my $perl_bt = Carp::longmess $msg;
		4141	async {
		4142	$Coro::current->{desc} = "abt $msg";
		4143
		4144	my @bt = fork_call {
		4145	@addr = map { sprintf "%x", $_ } @addr;
		4146	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4147	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4148	or die "addr2line: $!";
		4149
		4150	my @funcs;
		4151	my @res = <$fh>;
		4152	chomp for @res;
		4153	while (@res) {
		4154	my ($func, $line) = splice @res, 0, 2, ();
		4155	push @funcs, "[$func] $line";
		4156	}
		4157
		4158	@funcs
		4159	};
		4160
		4161	LOG llevInfo, "[ABT] $perl_bt\n";
		4162	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4163	LOG llevInfo, "[ABT] $_\n" for @bt;
		4164	--$_log_backtrace;
		4165	};
		4166	} else {
		4167	LOG llevInfo, "[ABT] $msg\n";
		4168	LOG llevInfo, "[ABT] [suppressed]\n";
		4169	}
		4170	}
		4171
		4172	# load additional modules
		4173	require "cf/$_.pm" for @EXTRA_MODULES;
		4174	cf::_connect_to_perl_2;
2403		4175
2404	END { cf::emergency_save }	4176	END { cf::emergency_save }
2405		4177
2406	1	4178	1
2407		4179

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