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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.557 by root, Tue Oct 5 21:40:05 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
20	use Digest::MD5;	53	use JSON::XS 2.01 ();
		54	use BDB ();
		55	use Data::Dumper;
21	use Fcntl;	56	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
24	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
25		62
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
27		64
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	65	# configure various modules to our taste
29	$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
30		69
31	$Coro::main->prio (2); # 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
		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" };
32		78
33	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;
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	121	our $NEXT_TICK;
45	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
46		130
47	our %CFG;	131	our %CFG;
48		132
49	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
51		136
52	our %MAP; # all maps	137	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	138	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	139	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	140
56	our %EXT_CORO;	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 $REALLY_UNLOOP; # never set to true, please :)
57		153
58	binmode STDOUT;	154	binmode STDOUT;
59	binmode STDERR;	155	binmode STDERR;
60		156
61	# read virtual server time, if available	157	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
66	}	162	}
67		163
68	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		165
74	# a special map that is always available	166	mkdir $_
75	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76		168
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	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
124	LOG llevError, "cfperl: $msg";	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
125	};	275
126	}	276	LOG llevWarn, $msg;
		277	};
		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
160	=cut	324	=item dumpval $ref
161		325
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	326	=cut
163		327
		328	sub dumpval {
		329	eval {
		330	local $SIG{__DIE__};
		331	my $d;
		332	if (1) {
		333	$d = new Data::Dumper([$_[0]], ["*var"]);
		334	$d->Terse(1);
		335	$d->Indent(2);
		336	$d->Quotekeys(0);
		337	$d->Useqq(1);
		338	#$d->Bless(...);
		339	$d->Seen($_[1]) if @_ > 1;
		340	$d = $d->Dump();
		341	}
		342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		343	$d
		344	} || "[unable to dump $_[0]: '$@']";
		345	}
		346
164	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
165		348
166	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
167		350
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
176		352
177	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
178		354
179	=cut	355	=cut
180		356
181	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		358
186	=item my $guard = cf::guard { BLOCK }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
187		361
188	Run the given callback when the guard object gets destroyed (useful for	362	=item $ref = cf::yaml_load $scalar
189	coroutine cancellations).
190		363
191	You can call C<< ->cancel >> on the guard object to stop the block from	364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
192	being executed.
193		365
194	=cut	366	=cut
195		367
196	sub guard(&) {	368	sub fork_call(&@);
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199		369
200	sub cf::guard::cancel {	370	sub yaml_load($) {
201	${$_[0]} = sub { };	371	fork_call { YAML::XS::Load $_[0] } @_
202	}	372	}
203		373
204	sub cf::guard::DESTROY {	374	=item cf::post_init { BLOCK }
205	${$_[0]}->();	375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
206	}	403	}
207		404
208	=item cf::lock_wait $string	405	=item cf::lock_wait $string
209		406
210	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
211		408
212	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
213		410
214	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
217	returned.	414	returned.
218		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
219	Lock names should begin with a unique identifier (for example, find_map	419	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	420	uses map_find and cf::map::load uses map_load).
221		421
222	=cut	422	=item $locked = cf::lock_active $string
223		423
224	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
225		429
226	sub lock_wait($) {	430	sub lock_wait($) {
227	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
228
229	# wait for lock, if any
230	while ($LOCK{$key}) {
231	push @{ $LOCK{$key} }, $Coro::current;
232	Coro::schedule;
233	}
234	}	432	}
235		433
236	sub lock_acquire($) {	434	sub lock_acquire($) {
237	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
238		437
239	# wait, to be sure we are not locked	438	sub lock_active($) {
240	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
		440	}
241		441
242	$LOCK{$key} = [];	442	sub freeze_mainloop {
		443	tick_inhibit_inc;
243		444
244	cf::guard {	445	&Guard::guard (\&tick_inhibit_dec);
245	# wake up all waiters, to be on the safe side	446	}
246	$_->ready for @{ delete $LOCK{$key} };	447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
247	}	512	}
		513	};
		514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
248	}	528	}
249		529
250	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
251		531
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	532	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	533	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		534	thing you are allowed to do is call C<prio> on it.
254		535
255	=cut	536	=cut
256		537
257	sub async(&) {	538	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		539
266	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
267		541
268	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
269	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
270	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
271		546
272	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
273	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
274	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
275	fast or be very important.	550	fast or be very important.
…		…
277	=cut	552	=cut
278		553
279	sub sync_job(&) {	554	sub sync_job(&) {
280	my ($job) = @_;	555	my ($job) = @_;
281		556
282	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
283	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
285		562
286	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
287	# (but this is cancel-safe)	564
288	local $FREEZE = 1;	565	my $freeze_guard = freeze_mainloop;
289		566
290	my $busy = 1;	567	my $busy = 1;
291	my @res;	568	my @res;
292		569
293	(Coro::async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
294	@res = eval { $job->() };	572	@res = eval { $job->() };
295	warn $@ if $@;	573	error $@ if $@;
296	undef $busy;	574	undef $busy;
297	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
298		576
299	while ($busy) {	577	while ($busy) {
		578	if (Coro::nready) {
300	Coro::cede_notself;	579	Coro::cede_notself;
301	Event::one_event unless Coro::nready;	580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
302	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
303		588
304	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
305	} else {	590	} else {
306	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
307		592
308	$job->()	593	$job->()
309	}	594	}
310	}	595	}
311		596
312	=item $coro = cf::coro { BLOCK }	597	=item $coro = cf::async_ext { BLOCK }
313		598
314	Creates and returns a new coro. This coro is automcatially being canceled	599	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	600	extension calling this is being unloaded.
316		601
317	=cut	602	=cut
318		603
319	sub coro(&) {	604	sub async_ext(&) {
320	my $cb = shift;	605	my $cb = shift;
321		606
322	my $coro = &cf::async ($cb);	607	my $coro = &Coro::async ($cb);
323		608
324	$coro->on_destroy (sub {	609	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	610	delete $EXT_CORO{$coro+0};
326	});	611	});
327	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
328		613
329	$coro	614	$coro
330	}	615	}
331		616
332	sub write_runtime {	617	=item fork_call { }, @args
333	my $runtime = cf::localdir . "/runtime";
334		618
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
336	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
337		623
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		625
342	aio_fsync $fh	626	sub post_fork {
343	and return;	627	reset_signals;
		628	}
344		629
345	close $fh	630	sub fork_call(&@) {
346	or return;	631	my ($cb, @args) = @_;
347		632
348	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
349	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
350		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
351	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	821	}
353		822
354	=back	823	=back
355		824
356	=cut	825	=cut
357		826
358	#############################################################################	827	#############################################################################
359		828
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477
478	#############################################################################
479
480	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
481		830
482	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
483	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
484	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
485		834
486	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
487	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
488	crossfire+).	837	Deliantra).
489		838
490	=over 4	839	=over 4
491		840
492	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
493		842
…		…
537	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
538		887
539	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
540	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
541		890
542	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
543	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
544		893
545	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
546		895
547	=over 4	896	=over 4
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	957	our @CB_MAP = ();
609		958
610	my %attachment;	959	my %attachment;
611		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
612	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
614		969
615	use sort 'stable';	970	use sort 'stable';
616		971
…		…
650	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
651		1006
652	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
653	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
654	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
655	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
656		1011
657	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
658	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
659		1014
660	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
665		1020
666	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
667	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
668		1023
669	} elsif (ref $type) {	1024	} elsif (ref $type) {
670	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
671		1026
672	} else {	1027	} else {
673	shift @arg;	1028	shift @arg;
674	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
675	}	1030	}
676	}	1031	}
677	}	1032	}
678		1033
679	sub _object_attach {	1034	sub _object_attach {
…		…
689	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
690	}	1045	}
691		1046
692	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
693	} else {	1048	} else {
694	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
695	}	1050	}
696		1051
697	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
698	}	1053	}
699		1054
…		…
701	if (ref $_[0]) {	1056	if (ref $_[0]) {
702	_object_attach @_;	1057	_object_attach @_;
703	} else {	1058	} else {
704	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
705	}	1060	}
		1061	_recalc_want;
706	};	1062	};
707		1063
708	# all those should be optimised	1064	# all those should be optimised
709	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
710	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
713	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
714	reattach ($obj);	1070	reattach ($obj);
715	} else {	1071	} else {
716	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
717	}	1073	}
		1074	_recalc_want;
718	};	1075	};
719		1076
720	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
721	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
722		1079
…		…
737	";	1094	";
738	die if $@;	1095	die if $@;
739	}	1096	}
740		1097
741	our $override;	1098	our $override;
742	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
743		1100
744	sub override {	1101	sub override {
745	$override = 1;	1102	$override = 1;
746	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
747	}	1104	}
748		1105
749	sub do_invoke {	1106	sub do_invoke {
750	my $event = shift;	1107	my $event = shift;
751	my $callbacks = shift;	1108	my $callbacks = shift;
752		1109
753	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
754		1111
755	local $override;	1112	local $override;
756		1113
757	for (@$callbacks) {	1114	for (@$callbacks) {
758	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
759		1116
760	if ($@) {	1117	if ($@) {
761	warn "$@";
762	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
763	override;	1119	override;
764	}	1120	}
765		1121
766	return 1 if $override;	1122	return 1 if $override;
767	}	1123	}
768		1124
769	0	1125	0
770	}	1126	}
771		1127
772	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
773		1129
774	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
775		1131
776	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
777		1133
778	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
779	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
780	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
781		1137
782	=back	1138	=back
783		1139
784	=cut	1140	=cut
785		1141
786	#############################################################################	1142	#############################################################################
787	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
788		1186
789	sub reattach {	1187	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	1189	my ($obj) = @_;
		1190
		1191	# no longer needed after getting rid of delete_package?
		1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		1193
793	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
794		1195
795	@$registry = ();	1196	@$registry = ();
796		1197
…		…
801	for (@$attach) {	1202	for (@$attach) {
802	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
803	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
804	}	1205	}
805	} else {	1206	} else {
806	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
807	}	1208	}
808	}	1209	}
809	}	1210	}
810		1211
811	cf::attachable->attach (	1212	cf::attachable->attach (
812	prio => -1000000,	1213	prio => -1000000,
813	on_instantiate => sub {	1214	on_instantiate => sub {
814	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
815		1216
816	$data = from_json $data;	1217	$data = decode_json $data;
817		1218
818	for (@$data) {	1219	for (@$data) {
819	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
820		1221
821	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
837	sub object_freezer_save {	1238	sub object_freezer_save {
838	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
839		1240
840	sync_job {	1241	sync_job {
841	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
842	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
843	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
844		1247
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1251	if ($cf::USE_FSYNC) {
		1252	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;
848	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
849	close $fh;	1255	aio_close $fh;
850		1256
851	if (@$objs) {	1257	if (@$objs) {
852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($cf::USE_FSYNC) {
		1263	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;
856	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
857	close $fh;	1266	aio_close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
859	}	1268	}
860	} else {	1269	} else {
861	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
862	}	1271	}
863		1272
864	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
865	} else {	1277	} else {
866	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
867	}	1279	}
868	} else {	1280	} else {
869	aio_unlink $filename;	1281	aio_unlink $filename;
870	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
871	}	1283	}
872	}	1284	};
873	}	1285	}
874		1286
875	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
877		1289
…		…
889	or return;	1301	or return;
890		1302
891	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
892	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
893	or return;	1305	or return;
		1306
894	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
895	}	1309	}
896		1310
		1311	utf8::decode (my $decname = $filename);
897	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
898	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
899	return ($data, $av);	1316	($data, $av)
900	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
901		1324
902	#############################################################################	1325	#############################################################################
903	# command handling &c	1326	# command handling &c
904		1327
905	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
918	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
919	}	1342	}
920		1343
921	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
922		1345
923	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
924		1351
925	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
926	called.	1353	called.
927		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
928	=cut	1366	=cut
929		1367
930	sub register_extcmd {	1368	sub register_extcmd {
931	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
932		1370
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	1371	$EXTCMD{$name} = $cb;
937	}	1372	}
		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
938		1381
939	cf::player->attach (	1382	cf::player->attach (
940	on_command => sub {	1383	on_unknown_command => sub {
941	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
942		1385
943	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
944	or return;	1387	or return;
945		1388
…		…
950	cf::override;	1393	cf::override;
951	},	1394	},
952	on_extcmd => sub {	1395	on_extcmd => sub {
953	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
954		1397
955	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
956		1399
957	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
960	$pl->ext_reply ($msg->{msgid}, %reply);
961	}
962	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
963	} else {	1415	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965	}	1417	}
966		1418
967	cf::override;	1419	cf::override;
968	},	1420	},
969	);	1421	);
970		1422
971	sub register {	1423	# "readahead" all extensions
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	1424	sub cache_extensions {
978	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
979		1426
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
981	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
982	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
983	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";
985
986	warn "loading '$path' into '$pkg'\n";
987
988	open my $fh, "<:utf8", $path
989	or die "$path: $!";
990
991	my $source =
992	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })
995	. "\n};\n1";
996
997	eval $source
998	or die $@ ? "$path: $@\n"
999	: "extension disabled.\n";
1000
1001	push @exts, $pkg;
1002	$ext_pkg{$base} = $pkg;
1003
1004	# no strict 'refs';
1005	# @{"$pkg\::ISA"} = ext::;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }
1020
1021	# remove commands
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}	1430	}
1030	}	1431	};
1031		1432
1032	# remove extcmds	1433	$grp
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	1434	}
1046		1435
1047	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
1048	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	1443	next unless -r $path;
1050	eval {	1444
1051	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
1052	1	1508	}
1053	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
1054	}	1519	};
1055	}	1520	}
1056		1521
1057	#############################################################################	1522	#############################################################################
1058	# load/save/clean perl data associated with a map
1059		1523
1060	*cf::mapsupport::on_clean = sub {	1524	=back
		1525
		1526	=head2 CORE EXTENSIONS
		1527
		1528	Functions and methods that extend core deliantra objects.
		1529
		1530	=cut
		1531
		1532	package cf::player;
		1533
		1534	use Coro::AIO;
		1535
		1536	=head3 cf::player
		1537
		1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
		1554	=item cf::player::find $login
		1555
		1556	Returns the given player object, loading it if necessary (might block).
		1557
		1558	=cut
		1559
		1560	sub playerdir($) {
		1561	"$PLAYERDIR/"
		1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1563	}
		1564
		1565	sub path($) {
		1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1567
		1568	(playerdir $login) . "/playerdata"
		1569	}
		1570
		1571	sub find_active($) {
		1572	$cf::PLAYER{$_[0]}
		1573	and $cf::PLAYER{$_[0]}->active
		1574	and $cf::PLAYER{$_[0]}
		1575	}
		1576
		1577	sub exists($) {
1061	my ($map) = @_;	1578	my ($login) = @_;
1062		1579
1063	my $path = $map->tmpname;	1580	$cf::PLAYER{$login}
1064	defined $path or return;	1581	or !aio_stat path $login
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}	1582	}
1077		1583
1078	# TODO: compatibility cruft, remove when no longer needed	1584	sub find($) {
		1585	return $cf::PLAYER{$_[0]} || do {
		1586	my $login = $_[0];
		1587
		1588	my $guard = cf::lock_acquire "user_find:$login";
		1589
		1590	$cf::PLAYER{$_[0]} || do {
		1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
		1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
		1606	$cf::PLAYER{$login} = $pl
		1607	}
		1608	}
		1609	}
		1610
1079	cf::player->attach (	1611	cf::player->attach (
1080	on_load => sub {	1612	on_load => sub {
1081	my ($pl, $path) = @_;	1613	my ($pl, $path) = @_;
1082		1614
1083	for my $o (all_objects $pl->ob) {	1615	# restore slots saved in save, below
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1616	my $slots = delete $pl->{_slots};
1085	$o->set_ob_key_value ("_perl_data");
1086		1617
1087	%$o = %{ Storable::thaw pack "H*", $value };	1618	$pl->ob->current_weapon ($slots->[0]);
1088	}	1619	$pl->combat_ob ($slots->[1]);
1089	}	1620	$pl->ranged_ob ($slots->[2]);
1090	},	1621	},
1091	);	1622	);
1092		1623
1093	#############################################################################	1624	sub save($) {
		1625	my ($pl) = @_;
1094		1626
1095	=head2 CORE EXTENSIONS	1627	return if $pl->{deny_save};
1096		1628
1097	Functions and methods that extend core crossfire objects.	1629	my $path = path $pl;
		1630	my $guard = cf::lock_acquire "user_save:$path";
1098		1631
1099	=head3 cf::player	1632	return if $pl->{deny_save};
		1633
		1634	aio_mkdir playerdir $pl, 0770;
		1635	$pl->{last_save} = $cf::RUNTIME;
		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
		1642	$pl->save_pl ($path);
		1643	cf::cede_to_tick;
		1644	}
		1645
		1646	sub new($) {
		1647	my ($login) = @_;
		1648
		1649	my $self = create;
		1650
		1651	$self->ob->name ($login);
		1652	$self->{deny_save} = 1;
		1653
		1654	$cf::PLAYER{$login} = $self;
		1655
		1656	$self
		1657	}
		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
		1669	=item $pl->quit_character
		1670
		1671	Nukes the player without looking back. If logged in, the connection will
		1672	be destroyed. May block for a long time.
		1673
		1674	=cut
		1675
		1676	sub quit_character {
		1677	my ($pl) = @_;
		1678
		1679	my $name = $pl->ob->name;
		1680
		1681	$pl->{deny_save} = 1;
		1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1683
		1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
		1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
		1691	$pl->ns->destroy if $pl->ns;
		1692
		1693	my $path = playerdir $pl;
		1694	my $temp = "$path~$cf::RUNTIME~deleting~";
		1695	aio_rename $path, $temp;
		1696	delete $cf::PLAYER{$pl->ob->name};
		1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
		1704	IO::AIO::aio_rmtree $temp;
		1705	}
		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
		1719	}
		1720
		1721	=item cf::player::list_logins
		1722
		1723	Returns am arrayref of all valid playernames in the system, can take a
		1724	while and may block, so not sync_job-capable, ever.
		1725
		1726	=cut
		1727
		1728	sub list_logins {
		1729	my $dirs = aio_readdir $PLAYERDIR
		1730	or return [];
		1731
		1732	my @logins;
		1733
		1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
		1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1741	aio_read $fh, 0, 512, my $buf, 0 or next;
		1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
		1744
		1745	utf8::decode $login;
		1746	push @logins, $login;
		1747	}
		1748
		1749	\@logins
		1750	}
		1751
		1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
		1755
		1756	Returns an arrayref of map paths that are private for this
		1757	player. May block.
		1758
		1759	=cut
		1760
		1761	sub maps($) {
		1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
		1765
		1766	my $files = aio_readdir playerdir $pl
		1767	or return;
		1768
		1769	my @paths;
		1770
		1771	for (@$files) {
		1772	utf8::decode $_;
		1773	next if /\.(?:pl|pst)$/;
		1774	next unless /^$PATH_SEP/o;
		1775
		1776	push @paths, cf::map::normalise "~$pl/$_";
		1777	}
		1778
		1779	\@paths
		1780	}
		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
		1786	=item $player->ext_reply ($msgid, @msg)
		1787
		1788	Sends an ext reply to the player.
		1789
		1790	=cut
		1791
		1792	sub ext_reply($$@) {
		1793	my ($self, $id, @msg) = @_;
		1794
		1795	$self->ns->ext_reply ($id, @msg)
		1796	}
		1797
		1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
1100		1811
1101	=over 4	1812	=over 4
1102		1813
1103	=item cf::player::exists $login
1104
1105	Returns true when the given account exists.
1106
1107	=cut	1814	=cut
1108		1815
1109	sub cf::player::exists($) {	1816	package cf::region;
1110	cf::player::find $_[0]
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1112	}
1113		1817
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1818	=item cf::region::find_by_path $path
1115		1819
1116	Sends an ext reply to the player.	1820	Tries to decuce the likely region for a map knowing only its path.
1117		1821
1118	=cut	1822	=cut
1119		1823
1120	sub cf::player::ext_reply($$$%) {	1824	sub find_by_path($) {
1121	my ($self, $id, %msg) = @_;	1825	my ($path) = @_;
1122		1826
1123	$msg{msgid} = $id;	1827	$path =~ s/^~[^\/]*//; # skip ~login
1124		1828
1125	$self->send ("ext " . to_json \%msg);	1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
1126	}	1839	}
1127		1840
1128	=back	1841	=back
1129
1130		1842
1131	=head3 cf::map	1843	=head3 cf::map
1132		1844
1133	=over 4	1845	=over 4
1134		1846
…		…
1137	package cf::map;	1849	package cf::map;
1138		1850
1139	use Fcntl;	1851	use Fcntl;
1140	use Coro::AIO;	1852	use Coro::AIO;
1141		1853
		1854	use overload
		1855	'""' => \&as_string,
		1856	fallback => 1;
		1857
1142	our $MAX_RESET = 7200;	1858	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1859	our $DEFAULT_RESET = 3000;
1144		1860
1145	sub generate_random_map {	1861	sub generate_random_map {
		1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
		1866	$self->_create_random_map ($rmp);
		1867	}
		1868
		1869	=item cf::map->register ($regex, $prio)
		1870
		1871	Register a handler for the map path matching the given regex at the
		1872	givne priority (higher is better, built-in handlers have priority 0, the
		1873	default).
		1874
		1875	=cut
		1876
		1877	sub register {
		1878	my (undef, $regex, $prio) = @_;
		1879	my $pkg = caller;
		1880
		1881	push @{"$pkg\::ISA"}, __PACKAGE__;
		1882
		1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1884	}
		1885
		1886	# also paths starting with '/'
		1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1888
		1889	sub thawer_merge {
		1890	my ($self, $merge) = @_;
		1891
		1892	# we have to keep some variables in memory intact
		1893	local $self->{path};
		1894	local $self->{load_path};
		1895
		1896	$self->SUPER::thawer_merge ($merge);
		1897	}
		1898
		1899	sub normalise {
1146	my ($path, $rmp) = @_;	1900	my ($path, $base) = @_;
1147		1901
1148	# mit "rum" bekleckern, nicht	1902	$path = "$path"; # make sure it's a string
1149	cf::map::_create_random_map	1903
		1904	$path =~ s/\.map$//;
		1905
		1906	# map plan:
		1907	#
		1908	# /! non-realised random map exit (special hack!)
		1909	# {... are special paths that are not being touched
		1910	# ?xxx/... are special absolute paths
		1911	# ?random/... random maps
		1912	# /... normal maps
		1913	# ~user/... per-player map of a specific user
		1914
		1915	$path =~ s/$PATH_SEP/\//go;
		1916
		1917	# treat it as relative path if it starts with
		1918	# something that looks reasonable
		1919	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1920	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1921
		1922	$base =~ s{[^/]+/?$}{};
		1923	$path = "$base/$path";
		1924	}
		1925
		1926	for ($path) {
		1927	redo if s{/\.?/}{/};
		1928	redo if s{/[^/]+/\.\./}{/};
		1929	}
		1930
1150	$path,	1931	$path
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})
1162	}	1932	}
1163		1933
1164	# and all this just because we cannot iterate over	1934	sub new_from_path {
1165	# all maps in C++...	1935	my (undef, $path, $base) = @_;
1166	sub change_all_map_light {	1936
		1937	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1938
		1939	$path = normalise $path, $base;
		1940
		1941	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1942	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1943	my $self = bless cf::map::new, $pkg;
		1944	$self->{path} = $path; $self->path ($path);
		1945	$self->init; # pass $1 etc.
		1946	return $self;
		1947	}
		1948	}
		1949
		1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1951	()
		1952	}
		1953
		1954	sub init {
1167	my ($change) = @_;	1955	my ($self) = @_;
1168		1956
1169	$_->change_map_light ($change)	1957	$self
1170	for grep $_->outdoor, values %cf::MAP;
1171	}	1958	}
1172		1959
		1960	sub as_string {
		1961	my ($self) = @_;
		1962
		1963	"$self->{path}"
		1964	}
		1965
		1966	# the displayed name, this is a one way mapping
		1967	sub visible_name {
		1968	&as_string
		1969	}
		1970
		1971	# the original (read-only) location
		1972	sub load_path {
		1973	my ($self) = @_;
		1974
		1975	"$MAPDIR/$self->{path}.map"
		1976	}
		1977
		1978	# the temporary/swap location
		1979	sub save_path {
		1980	my ($self) = @_;
		1981
		1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1983	"$TMPDIR/$path.map"
		1984	}
		1985
		1986	# the unique path, undef == no special unique path
		1987	sub uniq_path {
		1988	my ($self) = @_;
		1989
		1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1991	"$UNIQUEDIR/$path"
		1992	}
		1993
		1994	sub decay_objects {
		1995	my ($self) = @_;
		1996
		1997	return if $self->{deny_reset};
		1998
		1999	$self->do_decay_objects;
		2000	}
		2001
		2002	sub unlink_save {
		2003	my ($self) = @_;
		2004
		2005	utf8::encode (my $save = $self->save_path);
		2006	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2007	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2008	}
		2009
1173	sub try_load_header($) {	2010	sub load_header_from($) {
1174	my ($path) = @_;	2011	my ($self, $path) = @_;
1175		2012
1176	utf8::encode $path;	2013	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1178	or return;	2015	or return;
1179		2016
1180	my $map = cf::map::new	2017	$self->_load_header ($f)
1181	or return;	2018	or return;
1182		2019
1183	$map->load_header ($path)	2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
		2022
		2023	$self->{load_path} = $path;
		2024
		2025	1
		2026	}
		2027
		2028	sub load_header_orig {
		2029	my ($self) = @_;
		2030
		2031	$self->load_header_from ($self->load_path)
		2032	}
		2033
		2034	sub load_header_temp {
		2035	my ($self) = @_;
		2036
		2037	$self->load_header_from ($self->save_path)
		2038	}
		2039
		2040	sub prepare_temp {
		2041	my ($self) = @_;
		2042
		2043	$self->last_access ((delete $self->{last_access})
		2044	|| $cf::RUNTIME); #d#
		2045	# safety
		2046	$self->{instantiate_time} = $cf::RUNTIME
		2047	if $self->{instantiate_time} > $cf::RUNTIME;
		2048	}
		2049
		2050	sub prepare_orig {
		2051	my ($self) = @_;
		2052
		2053	$self->{load_original} = 1;
		2054	$self->{instantiate_time} = $cf::RUNTIME;
		2055	$self->last_access ($cf::RUNTIME);
		2056	$self->instantiate;
		2057	}
		2058
		2059	sub load_header {
		2060	my ($self) = @_;
		2061
		2062	if ($self->load_header_temp) {
		2063	$self->prepare_temp;
		2064	} else {
		2065	$self->load_header_orig
1184	or return;	2066	or return;
		2067	$self->prepare_orig;
		2068	}
1185		2069
1186	$map->{load_path} = $path;	2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
1187		2072
1188	$map	2073	$self->default_region (cf::region::find_by_path $self->{path})
1189	}	2074	unless $self->default_region;
1190		2075
		2076	1
		2077	}
		2078
1191	sub find_map;	2079	sub find;
1192	sub find_map {	2080	sub find {
1193	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1194		2082
1195	#warn "find_map<$path,$origin>\n";#d#	2083	cf::cede_to_tick;
1196		2084
1197	$path = new cf::path $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		2086
1200	cf::lock_wait "map_find:$key";	2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1201
1202	$cf::MAP{$key} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1204		2089
1205	# do it the slow way	2090	$cf::MAP{$path} || do {
1206	my $map = try_load_header $path->save_path;	2091	my $map = new_from_path cf::map $path
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	2092	or return;
1220		2093
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		2095
1234	if ($map->should_reset) {	2096	$map->load_header
		2097	or return;
		2098
		2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2100	# doing this can freeze the server in a sync job, obviously
		2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1235	$map->reset;	2104	$map->reset;
1236	undef $guard;	2105	return find $path;
1237	$map = find_map $path
1238	or return;
1239	}	2106	}
1240		2107
1241	$cf::MAP{$key} = $map	2108	$cf::MAP{$path} = $map
1242	}	2109	}
1243	}	2110	}
		2111
		2112	sub pre_load { }
		2113	#sub post_load { } # XS
1244		2114
1245	sub load {	2115	sub load {
1246	my ($self) = @_;	2116	my ($self) = @_;
1247		2117
		2118	local $self->{deny_reset} = 1; # loading can take a long time
		2119
1248	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2123	my $guard = cf::lock_acquire "map_data:$path";
1250		2124
		2125	return unless $self->valid;
1251	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1252		2127
1253	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1254		2129
1255	$self->alloc;	2130	$self->alloc;
1256	$self->load_objects ($self->{load_path}, 1)	2131
		2132	$self->pre_load;
		2133	cf::cede_to_tick;
		2134
		2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1257	or return;	2138	or return;
1258		2139
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1260	if delete $self->{load_original};	2141	if delete $self->{load_original};
1261		2142
1262	if (my $uniq = $path->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	2144	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1265	$self->clear_unique_items;	2147	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1267	}	2151	}
1268	}	2152	}
1269		2153
		2154	$f->resolve_delayed_derefs;
		2155
		2156	cf::cede_to_tick;
1270	# now do the right thing for maps	2157	# now do the right thing for maps
1271	$self->link_multipart_objects;	2158	$self->link_multipart_objects;
1272
1273	if ($self->{path}->is_style_map) {
1274	$self->{deny_save} = 1;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;
1280	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	2159	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	2160	unless $self->difficulty;
		2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1283	$self->activate;	2168	$self->activate;
1284	}	2169	}
1285		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
1286	$self->in_memory (cf::MAP_IN_MEMORY);	2174	$self->in_memory (cf::MAP_ACTIVE);
1287	}	2175	}
1288		2176
1289	sub load_map_sync {	2177	$self->post_load;
		2178
		2179	1
		2180	}
		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
		2185	sub customise_for {
		2186	my ($self, $ob) = @_;
		2187
		2188	return find "~" . $ob->name . "/" . $self->{path}
		2189	if $self->per_player;
		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
		2194	$self
		2195	}
		2196
		2197	# find and load all maps in the 3x3 area around a map
		2198	sub load_neighbours {
		2199	my ($map) = @_;
		2200
		2201	my @neigh; # diagonal neighbours
		2202
		2203	for (0 .. 3) {
		2204	my $neigh = $map->tile_path ($_)
		2205	or next;
		2206	$neigh = find $neigh, $map
		2207	or next;
		2208	$neigh->load;
		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
		2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2214	}
		2215
		2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
		2218	my $neigh = find $path, $origin
		2219	or next;
		2220	$neigh->load;
		2221	}
		2222	}
		2223
		2224	sub find_sync {
1290	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1291		2226
1292	#warn "load_map_sync<$path, $origin>\n";#d#	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
1293		2229
1294	cf::sync_job {	2230	find $path, $origin
1295	my $map = cf::map::find_map $path, $origin	2231	}
1296	or return;	2232
		2233	sub do_load_sync {
		2234	my ($map) = @_;
		2235
		2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
1297	$map->load;	2239	$map->load;
1298	$map	2240	}
		2241
		2242	our %MAP_PREFETCH;
		2243	our $MAP_PREFETCHER = undef;
		2244
		2245	sub find_async {
		2246	my ($path, $origin, $load) = @_;
		2247
		2248	$path = normalise $path, $origin && $origin->{path};
		2249
		2250	if (my $map = $cf::MAP{$path}) {
		2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2252	}
		2253
		2254	$MAP_PREFETCH{$path} |= $load;
		2255
		2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
		2259	while (%MAP_PREFETCH) {
		2260	while (my ($k, $v) = each %MAP_PREFETCH) {
		2261	if (my $map = find $k) {
		2262	$map->load if $v;
		2263	}
		2264
		2265	delete $MAP_PREFETCH{$k};
		2266	}
		2267	}
		2268	undef $MAP_PREFETCHER;
		2269	};
		2270	$MAP_PREFETCHER->prio (6);
		2271
		2272	()
		2273	}
		2274
		2275	# common code, used by both ->save and ->swapout
		2276	sub _save {
		2277	my ($self) = @_;
		2278
		2279	$self->{last_save} = $cf::RUNTIME;
		2280
		2281	return unless $self->dirty;
		2282
		2283	my $save = $self->save_path; utf8::encode $save;
		2284	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2285
		2286	$self->{load_path} = $save;
		2287
		2288	return if $self->{deny_save};
		2289
		2290	local $self->{last_access} = $self->last_access;#d#
		2291
		2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
		2294	$_->contr->save for $self->players;
		2295	};
		2296
		2297	cf::get_slot 0.02;
		2298
		2299	if ($uniq) {
		2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2302	} else {
		2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1299	}	2304	}
1300	}	2305	}
1301		2306
1302	sub save {	2307	sub save {
1303	my ($self) = @_;	2308	my ($self) = @_;
1304		2309
1305	$self->{last_save} = $cf::RUNTIME;	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1306		2311
1307	return unless $self->dirty;	2312	$self->_save;
1308
1309	my $save = $self->{path}->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1311
1312	$self->{load_path} = $save;
1313
1314	return if $self->{deny_save};
1315
1316	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}
1322	}	2313	}
1323		2314
1324	sub swap_out {	2315	sub swap_out {
1325	my ($self) = @_;	2316	my ($self) = @_;
1326		2317
		2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1327	return if $self->players;	2322	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};
1330		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
1331	$self->save;	2330	$self->_save;
		2331
		2332	# then free the map
1332	$self->clear;	2333	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);
1334	}	2334	}
1335		2335
1336	sub reset_at {	2336	sub reset_at {
1337	my ($self) = @_;	2337	my ($self) = @_;
1338		2338
1339	# TODO: safety, remove and allow resettable per-player maps	2339	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2340	return 1e99 if $self->{deny_reset};
1342		2341
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2344
…		…
1350	my ($self) = @_;	2349	my ($self) = @_;
1351		2350
1352	$self->reset_at <= $cf::RUNTIME	2351	$self->reset_at <= $cf::RUNTIME
1353	}	2352	}
1354		2353
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2354	sub reset {
1377	my ($self) = @_;	2355	my ($self) = @_;
1378		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1379	return if $self->players;	2359	return if $self->players;
1380	return if $self->{path}{user_rel};#d#
1381		2360
1382	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
		2362
		2363	$self->in_memory (cf::MAP_SWAPPED);
		2364
		2365	# need to save uniques path
		2366	unless ($self->{deny_save}) {
		2367	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2368
		2369	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2370	if $uniq;
		2371	}
1383		2372
1384	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1385		2374
		2375	$self->deactivate;
1386	$_->clear_links_to ($self) for values %cf::MAP;	2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->clear;
1387		2378
1388	$self->unlink_save;	2379	$self->unlink_save;
1389	$self->destroy;	2380	$self->destroy;
1390	}	2381	}
1391		2382
1392	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1393		2384
1394	sub nuke {	2385	sub nuke {
1395	my ($self) = @_;	2386	my ($self) = @_;
1396		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
		2391	delete $cf::MAP{$self->path};
		2392
		2393	$self->unlink_save;
		2394
		2395	bless $self, "cf::map::wrap";
		2396	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2400
		2401	$cf::MAP{$self->path} = $self;
		2402	}
		2403
1400	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
1401	}	2405	}
1402		2406
1403	sub customise_for {	2407	=item $maps = cf::map::tmp_maps
1404	my ($map, $ob) = @_;
1405		2408
1406	if ($map->per_player) {	2409	Returns an arrayref with all map paths of currently instantiated and saved
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
1408	}	2415	[
1409		2416	map {
1410	$map	2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
1411	}	2423	}
1412		2424
1413	sub emergency_save {	2425	=item $maps = cf::map::random_maps
1414	local $cf::FREEZE = 1;
1415		2426
1416	warn "enter emergency map save\n";	2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
1417		2429
1418	cf::sync_job {	2430	=cut
1419	warn "begin emergency map save\n";	2431
1420	$_->save for values %cf::MAP;	2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
		2441	}
		2442
		2443	=item cf::map::unique_maps
		2444
		2445	Returns an arrayref of paths of all shared maps that have
		2446	instantiated unique items. May block.
		2447
		2448	=cut
		2449
		2450	sub unique_maps() {
		2451	[
		2452	map {
		2453	utf8::decode $_;
		2454	s/\.map$//; # TODO future compatibility hack
		2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2456	? ()
		2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
		2459	]
		2460	}
		2461
		2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
1421	};	2489	}
1422		2490
1423	warn "end emergency map save\n";	2491	\@maps
		2492	}
		2493
		2494	=back
		2495
		2496	=head3 cf::object
		2497
		2498	=cut
		2499
		2500	package cf::object;
		2501
		2502	=over 4
		2503
		2504	=item $ob->inv_recursive
		2505
		2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
		2508
		2509	=cut
		2510
		2511	sub inv_recursive_;
		2512	sub inv_recursive_ {
		2513	map { $_, inv_recursive_ $_->inv } @_
		2514	}
		2515
		2516	sub inv_recursive {
		2517	inv_recursive_ inv $_[0]
		2518	}
		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
1424	}	2546	}
1425		2547
1426	package cf;	2548	package cf;
1427		2549
1428	=back	2550	=back
1429
1430		2551
1431	=head3 cf::object::player	2552	=head3 cf::object::player
1432		2553
1433	=over 4	2554	=over 4
1434		2555
…		…
1437	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1438	can be C<undef>. Does the right thing when the player is currently in a	2559	can be C<undef>. Does the right thing when the player is currently in a
1439	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1440		2561
1441	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1442		2577
1443	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1444	# with dialog boxes.	2579	# with dialog boxes.
1445	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1446	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1448		2583
1449	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1450		2585
1451	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1452	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1453	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1454	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1455	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1456	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1457	}	2611	}
1458		2612
1459	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1460		2614
1461	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1474		2628
1475	=item $player_object->enter_link	2629	=item $player_object->enter_link
1476		2630
1477	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1478		2632
1479	The player should be reaosnably safe there for short amounts of time. You	2633	The player should be reasonably safe there for short amounts of time (e.g.
1480	I<MUST> call C<leave_link> as soon as possible, though.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
		2637
		2638	Will never block.
1481		2639
1482	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1483		2641
1484	Moves the player out of the specila link map onto the given map. If the	2642	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	2643	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	2644	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	2645	fails, to the emergency map position.
1488		2646
1489	Might block.	2647	Might block.
1490		2648
1491	=cut	2649	=cut
		2650
		2651	sub link_map {
		2652	unless ($LINK_MAP) {
		2653	$LINK_MAP = cf::map::find "{link}"
		2654	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2655	$LINK_MAP->load;
		2656	}
		2657
		2658	$LINK_MAP
		2659	}
1492		2660
1493	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1494	my ($self) = @_;	2662	my ($self) = @_;
1495		2663
1496	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1497		2665
1498	return if $self->map == $LINK_MAP;	2666	++$self->{_link_recursion};
		2667
		2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		2669
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1502		2672
1503	$self->enter_map ($LINK_MAP, 20, 20);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1504	}	2674	}
1505		2675
1506	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1508		2680
1509	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1510		2682
1511	unless ($map) {	2683	unless ($map) {
1512	# restore original map position	2684	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	2685	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	2686	$map = cf::map::find $map;
1515		2687
1516	unless ($map) {	2688	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	2689	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	2690	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	2691	or die "FATAL: cannot load emergency map\n";
1520	}	2692	}
1521	}	2693	}
1522		2694
1523	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1524	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1525		2697
1526	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1529		2701
1530	$map->load;	2702	$map->load;
		2703	$map->load_neighbours;
1531		2704
		2705	return unless $self->contr->active;
		2706
		2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2708	if ($self->enter_map ($map, $x, $y)) {
		2709	# entering was successful
		2710	delete $self->{_link_recursion};
		2711	# only activate afterwards, to support waiting in hooks
1532	$self->activate_recursive;	2712	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);
1534	}
1535
1536	cf::player->attach (
1537	on_logout => sub {
1538	my ($pl) = @_;
1539
1540	# abort map switching before logout
1541	if ($pl->ob->{_link_pos}) {
1542	cf::sync_job {
1543	$pl->ob->leave_link
1544	};
1545	}
1546	},	2713	}
1547	on_login => sub {
1548	my ($pl) = @_;
1549		2714
1550	# try to abort aborted map switching on player login :)	2715	}
1551	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;
1554	cf::async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;
1559	};
1560	}
1561	},
1562	);
1563		2716
1564	=item $player_object->goto_map ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1565		2718
1566	=cut	2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
1567		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
		2728	=cut
		2729
		2730	our $GOTOGEN;
		2731
1568	sub cf::object::player::goto_map {	2732	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1570		2743
1571	$self->enter_link;	2744	$self->enter_link;
1572		2745
1573	(cf::async {	2746	(async {
1574	$path = new cf::path $path;	2747	$Coro::current->{desc} = "player::goto $path $x $y";
1575		2748
1576	my $map = cf::map::find_map $path->as_string;	2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
		2768	my $map = eval {
		2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1577	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
1578		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	2774	} else {
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
1583		2777
		2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
		2784	}
		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1584	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1585	})->prio (1);	2792	})->prio (1);
1586	}	2793	}
1587		2794
1588	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1589		2796
…		…
1591		2798
1592	sub parse_random_map_params {	2799	sub parse_random_map_params {
1593	my ($spec) = @_;	2800	my ($spec) = @_;
1594		2801
1595	my $rmp = { # defaults	2802	my $rmp = { # defaults
1596	xsize => 10,	2803	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	2804	ysize => (cf::rndm 15, 40),
		2805	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2806	#layout => string,
1598	};	2807	};
1599		2808
1600	for (split /\n/, $spec) {	2809	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	2810	my ($k, $v) = split /\s+/, $_, 2;
1602		2811
…		…
1614	# that depends on the exit object	2823	# that depends on the exit object
1615		2824
1616	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
1617		2826
1618	if ($exit->map) {	2827	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	2828	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1623	}	2834	}
1624		2835
1625	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1626		2837
1627	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1628	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
		2840	my $meta = "$RANDOMDIR/$md5.meta";
1629		2841
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
		2844	undef $fh;
		2845	aio_rename "$meta~", $meta;
1632		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1633	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1635	}	2853	}
1636	}	2854	}
1637		2855
1638	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
1640		2858
1641	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
1642		2860
1643	$self->enter_link;	2861	$self->enter_link;
1644		2862
1645	(cf::async {	2863	(async {
		2864	$Coro::current->{desc} = "enter_exit";
		2865
1646	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
1647	prepare_random_map $exit	2873	prepare_random_map $exit
1648	if $exit->slaying eq "/!";	2874	if $exit->slaying eq "/!";
		2875	}
1649		2876
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
1652		2880
		2881	$self->goto ($map, $x, $y);
		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
1653	1;	2887	1
1654	}) {	2888	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
1656	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	2891	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
1659		2893
1660	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
1661	$self->leave_link;	2895	$self->leave_link;
1662	}	2896	}
1663	})->prio (1);	2897	})->prio (1);
1664	}	2898	}
1665		2899
…		…
1676		2910
1677	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
1678	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
1679		2913
1680	utf8::encode $text;	2914	utf8::encode $text;
1681	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682	}	2916	}
1683		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
		3105	=item $client->ext_msg ($type, @msg)
		3106
		3107	Sends an ext event to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_msg($$@) {
		3112	my ($self, $type, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
		3117	push @msg, msgtype => "event_$type";
		3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
		3138	}
1684		3139
1685	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
1686		3141
1687	Queues a query to the client, calling the given callback with	3142	Queues a query to the client, calling the given callback with
1688	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1689	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1690		3145
1691	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
1692	reliable at some point in the future.	3147	become reliable at some point in the future.
1693		3148
1694	=cut	3149	=cut
1695		3150
1696	sub cf::client::query {	3151	sub cf::client::query {
1697	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
1705	utf8::encode $text;	3160	utf8::encode $text;
1706	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1707		3162
1708	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
1709	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
1710	}	3167	}
1711		3168
1712	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
1713	on_reply => sub {	3175	on_reply => sub {
1714	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
1715		3177
1716	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
1717	# get handled first	3179	# get handled first
1718	my $queue = delete $ns->{query_queue};	3180	my $queue = delete $ns->{query_queue}
		3181	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		3182
1720	(shift @$queue)->[1]->($msg);	3183	(shift @$queue)->[1]->($msg);
		3184	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1721		3185
1722	push @{ $ns->{query_queue} }, @$queue;	3186	push @{ $ns->{query_queue} }, @$queue;
1723		3187
1724	if (@{ $ns->{query_queue} } == @$queue) {	3188	if (@{ $ns->{query_queue} } == @$queue) {
1725	if (@$queue) {	3189	if (@$queue) {
…		…
1727	} else {	3191	} else {
1728	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1729	}	3193	}
1730	}	3194	}
1731	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
1732	);	3222	);
1733		3223
1734	=item $client->coro (\&cb)	3224	=item $client->async (\&cb)
1735		3225
1736	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	3227	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	3228	or loss of connection).
1739		3229
1740	=cut	3230	=cut
1741		3231
1742	sub cf::client::coro {	3232	sub cf::client::async {
1743	my ($self, $cb) = @_;	3233	my ($self, $cb) = @_;
1744		3234
1745	my $coro = &cf::async ($cb);	3235	my $coro = &Coro::async ($cb);
1746		3236
1747	$coro->on_destroy (sub {	3237	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	3238	delete $self->{_coro}{$coro+0};
1749	});	3239	});
1750		3240
…		…
1752		3242
1753	$coro	3243	$coro
1754	}	3244	}
1755		3245
1756	cf::client->attach (	3246	cf::client->attach (
1757	on_destroy => sub {	3247	on_client_destroy => sub {
1758	my ($ns) = @_;	3248	my ($ns) = @_;
1759		3249
1760	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1761	},	3251	},
1762	);	3252	);
…		…
1777	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
1778	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
1779		3269
1780	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
1781		3271
1782	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
1783		3277
1784	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
1785		3279
1786	=pod	3280	=pod
1787		3281
1788	The following fucntions and emthods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
1789		3283
1790	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
1791	cf::object::player player	3289	cf::object::player
1792	cf::player peaceful	3290	player
1793	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
1794		3297
1795	=cut	3298	=cut
1796		3299
1797	for (	3300	for (
1798	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
1799	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
1800	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
1801	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
1802	) {	3307	) {
1803	no strict 'refs';
1804	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
1805	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1806	for @funs;	3310	for @funs;
1807	}	3311	}
1808		3312
…		…
1823		3327
1824	my $qcode = $code;	3328	my $qcode = $code;
1825	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1826	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
1827		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
1828	local $_;	3335	local $_;
1829	local @safe::cf::_safe_eval_args = values %vars;
1830		3336
1831	my $eval =	3337	my $eval =
1832	"do {\n"	3338	"do {\n"
1833	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1834	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
1835	. $code	3341	. $code
1836	. "\n}"	3342	. "\n}"
1837	;	3343	;
1838		3344
		3345	if ($CFG{safe_eval}) {
1839	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
1840	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1841	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
1842		3354
1843	if ($@) {	3355	if ($@) {
1844	warn "$@";	3356	warn "$@",
1845	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
1846	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
1847	}	3359	}
1848		3360
1849	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
1850	}	3362	}
1851		3363
…		…
1865	=cut	3377	=cut
1866		3378
1867	sub register_script_function {	3379	sub register_script_function {
1868	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
1869		3381
1870	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
1871	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
1872	}	3384	}
1873		3385
1874	=back	3386	=back
1875		3387
1876	=cut	3388	=cut
1877		3389
1878	#############################################################################	3390	#############################################################################
		3391	# the server's init and main functions
1879		3392
1880	=head2 EXTENSION DATABASE SUPPORT	3393	sub load_facedata($) {
		3394	my ($path) = @_;
1881		3395
1882	Crossfire maintains a very simple database for extension use. It can	3396	# HACK to clear player env face cache, we need some signal framework
1883	currently store anything that can be serialised using Storable, which	3397	# for this (global event?)
1884	excludes objects.	3398	%ext::player_env::MUSIC_FACE_CACHE = ();
1885		3399
1886	The parameter C<$family> should best start with the name of the extension	3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1887	using it, it should be unique.
1888		3401
1889	=over 4	3402	trace "loading facedata from $path\n";
1890		3403
1891	=item $hashref = cf::db_get $family	3404	0 < aio_load $path, my $facedata
		3405	or die "$path: $!";
1892		3406
1893	Return a hashref for use by the extension C<$family>, which can be	3407	$facedata = Coro::Storable::thaw $facedata;
1894	modified. After modifications, you have to call C<cf::db_dirty> or
1895	C<cf::db_sync>.
1896		3408
1897	=item $value = cf::db_get $family => $key	3409	$facedata->{version} == 2
		3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
1898		3411
1899	Returns a single value from the database	3412	# patch in the exptable
1900		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1901	=item cf::db_put $family => $hashref	3414	$facedata->{resource}{"res/exp_table"} = {
1902		3415	type => FT_RSRC,
1903	Stores the given family hashref into the database. Updates are delayed, if	3416	data => $exp_table,
1904	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3417	hash => (Digest::MD5::md5 $exp_table),
1905
1906	=item cf::db_put $family => $key => $value
1907
1908	Stores the given C<$value> in the family hash. Updates are delayed, if you
1909	want the data to be synced to disk immediately, use C<cf::db_sync>.
1910
1911	=item cf::db_dirty
1912
1913	Marks the database as dirty, to be updated at a later time.
1914
1915	=item cf::db_sync
1916
1917	Immediately write the database to disk I<if it is dirty>.
1918
1919	=cut
1920
1921	our $DB;
1922
1923	{
1924	my $path = cf::localdir . "/database.pst";
1925
1926	sub db_load() {
1927	$DB = stat $path ? Storable::retrieve $path : { };
1928	}
1929
1930	my $pid;
1931
1932	sub db_save() {
1933	waitpid $pid, 0 if $pid;
1934	if (0 == ($pid = fork)) {
1935	$DB->{_meta}{version} = 1;
1936	Storable::nstore $DB, "$path~";
1937	rename "$path~", $path;
1938	cf::_exit 0 if defined $pid;
1939	}
1940	}
1941
1942	my $dirty;
1943
1944	sub db_sync() {
1945	db_save if $dirty;
1946	undef $dirty;
1947	}
1948
1949	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1950	db_sync;
1951	});	3418	};
		3419	cf::cede_to_tick;
1952		3420
1953	sub db_dirty() {
1954	$dirty = 1;
1955	$idle->start;
1956	}	3421	{
		3422	my $faces = $facedata->{faceinfo};
1957		3423
1958	sub db_get($;$) {	3424	while (my ($face, $info) = each %$faces) {
1959	@_ >= 2	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1960	? $DB->{$_[0]}{$_[1]}
1961	: ($DB->{$_[0]} ||= { })
1962	}
1963		3426
1964	sub db_put($$;$) {	3427	cf::face::set_visibility $idx, $info->{visibility};
1965	if (@_ >= 3) {	3428	cf::face::set_magicmap $idx, $info->{magicmap};
1966	$DB->{$_[0]}{$_[1]} = $_[2];	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1967	} else {	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1968	$DB->{$_[0]} = $_[1];	3431	cf::face::set_data $idx, 2, "-", chr $idx & 255;
1969	}
1970	db_dirty;
1971	}
1972		3432
1973	cf::global->attach (	3433	cf::cede_to_tick;
1974	prio => 10000,
1975	on_cleanup => sub {
1976	db_sync;
1977	},	3434	}
1978	);
1979	}
1980		3435
1981	#############################################################################	3436	while (my ($face, $info) = each %$faces) {
1982	# the server's main()	3437	next unless $info->{smooth};
1983		3438
1984	sub cfg_load {	3439	my $idx = cf::face::find $face
1985	open my $fh, "<:utf8", cf::confdir . "/config"	3440	or next;
1986	or return;
1987		3441
1988	local $/;	3442	if (my $smooth = cf::face::find $info->{smooth}) {
1989	*CFG = YAML::Syck::Load <$fh>;	3443	cf::face::set_smooth $idx, $smooth;
		3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3445	} else {
		3446	error "smooth face '$info->{smooth}' not found for face '$face'";
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	{
		3454	my $anims = $facedata->{animinfo};
		3455
		3456	while (my ($anim, $info) = each %$anims) {
		3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3458	cf::cede_to_tick;
		3459	}
		3460
		3461	cf::anim::invalidate_all; # d'oh
		3462	}
		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3482
		3483	1
		3484	}
		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
		3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
		3509	load_resource_file "$MAPDIR/regions"
		3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
		3516	}
		3517
		3518	sub reload_facedata {
		3519	load_facedata "$DATADIR/facedata"
		3520	or die "unable to load facedata\n";
		3521	}
		3522
		3523	sub reload_archetypes {
		3524	load_resource_file "$DATADIR/archetypes"
		3525	or die "unable to load archetypes\n";
		3526	}
		3527
		3528	sub reload_treasures {
		3529	load_resource_file "$DATADIR/treasures"
		3530	or die "unable to load treasurelists\n";
		3531	}
		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
		3556	sub reload_resources {
		3557	trace "reloading resource files...\n";
		3558
		3559	reload_exp_table;
		3560	reload_materials;
		3561	reload_facedata;
		3562	reload_sound;
		3563	reload_archetypes;
		3564	reload_regions;
		3565	reload_treasures;
		3566
		3567	trace "finished reloading resource files\n";
		3568	}
		3569
		3570	sub reload_config {
		3571	trace "reloading config file...\n";
		3572
		3573	0 < aio_load "$CONFDIR/config", my $config
		3574	or die "$CONFDIR/config: $!";
		3575
		3576	utf8::decode $config;
		3577	*CFG = yaml_load $config;
		3578
		3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
		3580
		3581	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3583
		3584	if (exists $CFG{mlockall}) {
		3585	eval {
		3586	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3587	and die "WARNING: m(un)lockall failed: $!\n";
		3588	};
		3589	warn $@ if $@;
		3590	}
		3591	}
		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
1990	}	3619	}
1991		3620
1992	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
1993	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
1995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1996	(Coro::unblock_sub {	3634	(async {
1997	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
1998	})->();	3636	EV::loop EV::LOOP_ONESHOT;
		3637	})->prio (Coro::PRIO_MAX);
1999	};	3638	};
2000		3639
2001	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
2002	db_load;	3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
		3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2003	load_extensions;	3663	load_extensions;
2004	Event::loop;	3664
		3665	utime time, time, $RUNTIMEFILE;
		3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2005	}	3683	}
2006		3684
2007	#############################################################################	3685	#############################################################################
2008	# initialisation	3686	# initialisation and cleanup
2009		3687
		3688	# install some emergency cleanup handlers
		3689	BEGIN {
		3690	our %SIGWATCHER = ();
		3691	for my $signal (qw(INT HUP TERM)) {
		3692	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3693	cf::cleanup "SIG$signal";
		3694	};
		3695	}
		3696	}
		3697
		3698	sub write_runtime_sync {
		3699	my $t0 = AE::time;
		3700
		3701	# first touch the runtime file to show we are still running:
		3702	# the fsync below can take a very very long time.
		3703
		3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3705
		3706	my $guard = cf::lock_acquire "write_runtime";
		3707
		3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3709	or return;
		3710
		3711	my $value = $cf::RUNTIME + 90 + 10;
		3712	# 10 is the runtime save interval, for a monotonic clock
		3713	# 60 allows for the watchdog to kill the server.
		3714
		3715	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3716	and return;
		3717
		3718	# always fsync - this file is important
		3719	aio_fsync $fh
		3720	and return;
		3721
		3722	# touch it again to show we are up-to-date
		3723	aio_utime $fh, undef, undef;
		3724
		3725	close $fh
		3726	or return;
		3727
		3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3729	and return;
		3730
		3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3732
		3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
		3784	}
		3785
		3786	sub emergency_save() {
		3787	my $freeze_guard = cf::freeze_mainloop;
		3788
		3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
		3795
		3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	# use a peculiar iteration method to avoid tripping on perl
		3800	# refcount bugs in for. also avoids problems with players
		3801	# and maps saved/destroyed asynchronously.
		3802	info "emergency_perl_save: begin player save\n";
		3803	for my $login (keys %cf::PLAYER) {
		3804	my $pl = $cf::PLAYER{$login} or next;
		3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3807	$pl->save;
		3808	}
		3809	info "emergency_perl_save: end player save\n";
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
		3814	for my $path (keys %cf::MAP) {
		3815	my $map = $cf::MAP{$path} or next;
		3816	$map->valid or next;
		3817	$map->save;
		3818	}
		3819	info "emergency_perl_save: end map save\n";
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
		3824	BDB::db_env_txn_checkpoint $DB_ENV;
		3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
		3849	};
		3850
		3851	info "emergency_perl_save: leave\n";
		3852	}
		3853
		3854	sub post_cleanup {
		3855	my ($make_core) = @_;
		3856
		3857	IO::AIO::flush;
		3858
		3859	error Carp::longmess "post_cleanup backtrace"
		3860	if $make_core;
		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
		3889	}
		3890
2010	sub reload() {	3891	sub do_reload_perl() {
2011	# can/must only be called in main	3892	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2013	warn "can only reload from main coroutine\n";	3894	error "can only reload from main coroutine";
2014	return;	3895	return;
2015	}	3896	}
2016		3897
2017	warn "reloading...";	3898	return if $RELOAD++;
2018		3899
2019	local $FREEZE = 1;	3900	my $t1 = AE::time;
		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
		3908	cf::sync_job {
2020	cf::emergency_save;	3909	#cf::emergency_save;
2021		3910
2022	eval {	3911	trace "perl_reload: cancelling all extension coros";
2023	# if anything goes wrong in here, we should simply crash as we already saved
2024
2025	# cancel all watchers
2026	for (Event::all_watchers) {
2027	$_->cancel if $_->data & WF_AUTOCANCEL;
2028	}
2029
2030	# cancel all extension coros
2031	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2032	%EXT_CORO = ();	3913	%EXT_CORO = ();
2033		3914
2034	# unload all extensions	3915	trace "perl_reload: removing commands";
2035	for (@exts) {	3916	%COMMAND = ();
2036	warn "unloading <$_>";
2037	unload_extension $_;
2038	}
2039		3917
2040	# unload all modules loaded from $LIBDIR	3918	trace "perl_reload: removing ext/exti commands";
2041	while (my ($k, $v) = each %INC) {	3919	%EXTCMD = ();
2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3920	%EXTICMD = ();
2043		3921
2044	warn "removing <$k>";	3922	trace "perl_reload: unloading/nuking all extensions";
2045	delete $INC{$k};	3923	for my $pkg (@EXTS) {
		3924	trace "... unloading $pkg";
2046		3925
2047	$k =~ s/\.pm$//;
2048	$k =~ s/\//::/g;
2049
2050	if (my $cb = $k->can ("unload_module")) {	3926	if (my $cb = $pkg->can ("unload")) {
		3927	eval {
2051	$cb->();	3928	$cb->($pkg);
		3929	1
		3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2052	}	3935	}
2053		3936
2054	Symbol::delete_package $k;	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		3938	while (my ($k, $v) = each %INC) {
		3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3940
		3941	trace "... unloading $k";
		3942	delete $INC{$k};
		3943
		3944	$k =~ s/\.pm$//;
		3945	$k =~ s/\//::/g;
		3946
		3947	if (my $cb = $k->can ("unload_module")) {
		3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2055	}	3952	}
2056		3953
2057	# sync database to disk
2058	cf::db_sync;
2059	IO::AIO::flush;
2060
2061	# get rid of safe::, as good as possible	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2062	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2063	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2064		3957
2065	# remove register_script_function callbacks	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2066	# TODO
2067
2068	# unload cf.pm "a bit"
2069	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
		3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2070		3961
2071	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2072	# and global variables created in xs	3963	# and global variables created in xs
2073	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2074		3965
2075	# reload cf.pm	3966	info "perl_reload: unload completed, starting to reload now";
2076	warn "reloading cf.pm";	3967
		3968	trace "perl_reload: reloading cf.pm";
2077	require cf;	3969	require cf;
2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2079		3971
2080	# load config and database again	3972	trace "perl_reload: loading config and database again";
2081	cf::cfg_load;	3973	cf::reload_config;
2082	cf::db_load;
2083		3974
2084	# load extensions	3975	trace "perl_reload: loading extensions";
2085	warn "load extensions";
2086	cf::load_extensions;	3976	cf::load_extensions;
2087		3977
2088	# reattach attachments to objects	3978	if ($REATTACH_ON_RELOAD) {
2089	warn "reattach";	3979	trace "perl_reload: reattaching attachments to objects/players";
2090	_global_reattach;	3980	_global_reattach; # objects, sockets
		3981	trace "perl_reload: reattaching attachments to maps";
		3982	reattach $_ for values %MAP;
		3983	trace "perl_reload: reattaching attachments to players";
		3984	reattach $_ for values %PLAYER;
		3985	}
		3986
		3987	cf::_post_init 1;
		3988
		3989	trace "perl_reload: leaving sync_job";
		3990
		3991	1
		3992	} or do {
		3993	error $@;
		3994	cf::cleanup "perl_reload: error, exiting.";
		3995	};
		3996
		3997	--$RELOAD;
		3998	}
		3999
		4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
		4002	};
		4003
		4004	our $RELOAD_WATCHER; # used only during reload
		4005
		4006	sub reload_perl() {
		4007	# doing reload synchronously and two reloads happen back-to-back,
		4008	# coro crashes during coro_state_free->destroy here.
		4009
		4010	$RELOAD_WATCHER ||= cf::async {
		4011	Coro::AIO::aio_wait cache_extensions;
		4012
		4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4014	do_reload_perl;
		4015	undef $RELOAD_WATCHER;
		4016	};
2091	};	4017	};
2092
2093	if ($@) {
2094	warn $@;
2095	warn "error while reloading, exiting.";
2096	exit 1;
2097	}
2098
2099	warn "reloaded successfully";
2100	};
2101
2102	#############################################################################
2103
2104	unless ($LINK_MAP) {
2105	$LINK_MAP = cf::map::new;
2106
2107	$LINK_MAP->width (41);
2108	$LINK_MAP->height (41);
2109	$LINK_MAP->alloc;
2110	$LINK_MAP->path ("{link}");
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113
2114	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (
2116	after => 2,
2117	cb => sub {
2118	$_[0]->w->cancel;
2119
2120	# provide some exits "home"
2121	my $exit = cf::object::new "exit";
2122
2123	$exit->slaying ($EMERGENCY_POSITION->[0]);
2124	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2125	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2126
2127	$LINK_MAP->insert ($exit->clone, 19, 19);
2128	$LINK_MAP->insert ($exit->clone, 19, 20);
2129	$LINK_MAP->insert ($exit->clone, 19, 21);
2130	$LINK_MAP->insert ($exit->clone, 20, 19);
2131	$LINK_MAP->insert ($exit->clone, 20, 21);
2132	$LINK_MAP->insert ($exit->clone, 21, 19);
2133	$LINK_MAP->insert ($exit->clone, 21, 20);
2134	$LINK_MAP->insert ($exit->clone, 21, 21);
2135
2136	$exit->destroy;
2137	});
2138
2139	$LINK_MAP->{deny_save} = 1;
2140	$LINK_MAP->{deny_reset} = 1;
2141
2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143	}	4018	}
2144
2145	register "<global>", __PACKAGE__;
2146		4019
2147	register_command "reload" => sub {	4020	register_command "reload" => sub {
2148	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2149		4022
2150	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2151	$who->message ("start of reload.");
2152	reload;
2153	$who->message ("end of reload.");	4024	$who->message ("reloading server.");
		4025	async {
		4026	$Coro::current->{desc} = "perl_reload";
		4027	reload_perl;
		4028	};
2154	}	4029	}
2155	};	4030	};
2156		4031
2157	unshift @INC, $LIBDIR;	4032	#############################################################################
2158		4033
2159	$TICK_WATCHER = Event->timer (	4034	my $bug_warning = 0;
2160	reentrant => 0,	4035
2161	prio => 0,	4036	our @WAIT_FOR_TICK;
2162	at => $NEXT_TICK || $TICK,	4037	our @WAIT_FOR_TICK_BEGIN;
2163	data => WF_AUTOCANCEL,	4038
2164	cb => sub {	4039	sub wait_for_tick() {
2165	unless ($FREEZE) {	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4041
		4042	my $signal = new Coro::Signal;
		4043	push @WAIT_FOR_TICK, $signal;
		4044	$signal->wait;
		4045	}
		4046
		4047	sub wait_for_tick_begin() {
		4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4049
		4050	my $signal = new Coro::Signal;
		4051	push @WAIT_FOR_TICK_BEGIN, $signal;
		4052	$signal->wait;
		4053	}
		4054
		4055	sub tick {
		4056	if ($Coro::current != $Coro::main) {
		4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4058	unless ++$bug_warning > 10;
		4059	return;
		4060	}
		4061
2166	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2167	$RUNTIME += $TICK;
2168	}
2169		4063
2170	$NEXT_TICK += $TICK;	4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2171		4065
2172	# if we are delayed by four ticks or more, skip them all	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2174		4068	Coro::async_pool {
2175	$TICK_WATCHER->at ($NEXT_TICK);	4069	$Coro::current->{desc} = "runtime saver";
2176	$TICK_WATCHER->start;
2177	},
2178	);
2179
2180	IO::AIO::max_poll_time $TICK * 0.2;
2181
2182	Event->io (
2183	fd => IO::AIO::poll_fileno,
2184	poll => 'r',
2185	prio => 5,
2186	data => WF_AUTOCANCEL,
2187	cb => \&IO::AIO::poll_cb,
2188	);
2189
2190	Event->timer (
2191	data => WF_AUTOCANCEL,
2192	after => 0,
2193	interval => 10,
2194	cb => sub {
2195	(Coro::unblock_sub {
2196	write_runtime	4070	write_runtime_sync
2197	or warn "ERROR: unable to write runtime file: $!";	4071	or error "ERROR: unable to write runtime file: $!";
2198	})->();	4072	};
2199	},	4073	}
2200	);	4074
		4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4076	$sig->send;
		4077	}
		4078	while (my $sig = shift @WAIT_FOR_TICK) {
		4079	$sig->send;
		4080	}
		4081
		4082	$LOAD = ($NOW - $TICK_START) / $TICK;
		4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4084
		4085	if (0) {
		4086	if ($NEXT_TICK) {
		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
		4091	}
		4092	}
		4093
		4094	{
		4095	# configure BDB
		4096
		4097	BDB::min_parallel 16;
		4098	BDB::max_poll_reqs $TICK * 0.1;
		4099	$AnyEvent::BDB::WATCHER->priority (1);
		4100
		4101	unless ($DB_ENV) {
		4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4108
		4109	cf::sync_job {
		4110	eval {
		4111	BDB::db_env_open
		4112	$DB_ENV,
		4113	$BDBDIR,
		4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4116	0666;
		4117
		4118	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4119	};
		4120
		4121	cf::cleanup "db_env_open(db): $@" if $@;
		4122	};
		4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
		4134	}
		4135
		4136	{
		4137	# configure IO::AIO
		4138
		4139	IO::AIO::min_parallel 8;
		4140	IO::AIO::max_poll_time $TICK * 0.1;
		4141	undef $AnyEvent::AIO::WATCHER;
		4142	}
		4143
		4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
		4146
		4147	sub _log_backtrace {
		4148	my ($msg, @addr) = @_;
		4149
		4150	$msg =~ s/\n$//;
		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4155	# limit the # of concurrent backtraces
		4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
		4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
		4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
		4163	my @bt = fork_call {
		4164	@addr = map { sprintf "%x", $_ } @addr;
		4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4167	or die "addr2line: $!";
		4168
		4169	my @funcs;
		4170	my @res = <$fh>;
		4171	chomp for @res;
		4172	while (@res) {
		4173	my ($func, $line) = splice @res, 0, 2, ();
		4174	push @funcs, "[$func] $line";
		4175	}
		4176
		4177	@funcs
		4178	};
		4179
		4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4182	LOG llevInfo, "[ABT] $_\n" for @bt;
		4183	--$_log_backtrace;
		4184	};
		4185	} else {
		4186	LOG llevInfo, "[ABT] $msg\n";
		4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4188	}
		4189	}
		4190
		4191	# load additional modules
		4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
2201		4194
2202	END { cf::emergency_save }	4195	END { cf::emergency_save }
2203		4196
2204	1	4197	1
2205		4198

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