ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.155 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.537 by root, Sun May 2 19:16:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
39		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	93	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
42		96
43	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	121	our $NEXT_TICK;
46	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
47		130
48	our %CFG;	131	our %CFG;
49		132
50	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
52		136
53	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		140
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $REALLY_UNLOOP; # never set to true, please :)
61		153
62	binmode STDOUT;	154	binmode STDOUT;
63	binmode STDERR;	155	binmode STDERR;
64		156
65	# read virtual server time, if available	157	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
70	}	162	}
71		163
72	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
73	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		165
78	# a special map that is always available	166	mkdir $_
79	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
80	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
81		187
82	#############################################################################	188	#############################################################################
83		189
84	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
85		191
…		…
92	=item $cf::RUNTIME	198	=item $cf::RUNTIME
93		199
94	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
95	every server tick.	201	every server tick.
96		202
97	=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
98		206
99	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		211
102	=item $cf::NOW	212	=item $cf::NOW
103		213
104	The time of the last (current) server tick.	214	The time of the last (current) server tick.
105		215
106	=item $cf::TICK	216	=item $cf::TICK
107		217
108	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
109		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
110	=item %cf::CFG	230	=item %cf::CFG
111		231
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	233	from wherever your confdir points to.
114		234
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		236
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
121		252
122	=back	253	=back
123		254
124	=cut	255	=cut
125		256
126	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
127	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
128	my $msg = join "", @_;	264	my $msg = join "", @_;
129	utf8::encode $msg;
130		265
131	$msg .= "\n"	266	$msg .= "\n"
132	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
133		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
134	LOG llevError, $msg;	271	LOG llevWarn, $msg;
135	};	272	};
136	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
137		287
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		295
145	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	297	# within the Safe compartment.
147	for my $pkg (qw(	298	for my $pkg (qw(
148	cf::global cf::attachable	299	cf::global cf::attachable
149	cf::object cf::object::player	300	cf::object cf::object::player
150	cf::client cf::player	301	cf::client cf::player
151	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
152	cf::map cf::party cf::region	304	cf::party cf::region
153	)) {	305	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	307	}
157		308
158	$Event::DIED = sub {	309	$EV::DIED = sub {
159	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
160	};	311	};
161		312
162	my %ext_pkg;	313	#############################################################################
163	my @exts;
164	my @hook;
165		314
166	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
167		316
168	=over 4	317	=over 4
169		318
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	338	$d
190	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
191	}	340	}
192		341
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
196		343
197	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
198		345
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
207		347
208	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
209		349
210	=cut	350	=cut
211		351
212	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
214	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
215	}	369	}
216		370
217	=item cf::lock_wait $string	371	=item cf::lock_wait $string
218		372
219	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
220		374
221	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
222		376
223	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
226	returned.	380	returned.
227		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
228	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
230		387
231	=cut	388	=item $locked = cf::lock_active $string
232		389
233	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
234		395
235	sub lock_wait($) {	396	sub lock_wait($) {
236	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	398	}
244		399
245	sub lock_acquire($) {	400	sub lock_acquire($) {
246	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
247		403
248	# wait, to be sure we are not locked	404	sub lock_active($) {
249	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	406	}
258		407
259	sub freeze_mainloop {	408	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
261		410
262	my $guard = Coro::guard { $TICK_WATCHER->start };	411	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	412	}
264	$guard	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
		478	}
		479	};
		480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
265	}	494	}
266		495
267	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
268		497
269	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		503
275	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
276		505
277	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
278		507
279	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
282		512
283	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
286	fast or be very important.	516	fast or be very important.
…		…
288	=cut	518	=cut
289		519
290	sub sync_job(&) {	520	sub sync_job(&) {
291	my ($job) = @_;	521	my ($job) = @_;
292		522
293	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
294	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
296		528
297	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	530
299	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
300		532
301	my $busy = 1;	533	my $busy = 1;
302	my @res;	534	my @res;
303		535
304	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	538	@res = eval { $job->() };
306	warn $@ if $@;	539	error $@ if $@;
307	undef $busy;	540	undef $busy;
308	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
309		542
310	while ($busy) {	543	while ($busy) {
311	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
312	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
313		554
314	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
315	} else {	556	} else {
316	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
317		558
…		…
319	}	560	}
320	}	561	}
321		562
322	=item $coro = cf::async_ext { BLOCK }	563	=item $coro = cf::async_ext { BLOCK }
323		564
324	Like async, but this coro is automcatially being canceled when the	565	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	566	extension calling this is being unloaded.
326		567
327	=cut	568	=cut
328		569
329	sub async_ext(&) {	570	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
338		579
339	$coro	580	$coro
340	}	581	}
341		582
342	sub write_runtime {	583	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		584
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
346	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
347		589
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	590	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		591
352	aio_fsync $fh	592	sub fork_call(&@) {
353	and return;	593	my ($cb, @args) = @_;
354		594
355	close $fh	595	# we seemingly have to make a local copy of the whole thing,
356	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
357		598
358	aio_rename "$runtime~", $runtime	599	my @res = Coro::Util::fork_eval {
359	and return;	600	reset_signals;
		601	&$cb
		602	}, @args;
360		603
		604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
361	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	783	}
363		784
364	=back	785	=back
365		786
366	=cut	787	=cut
367		788
368	#############################################################################	789	#############################################################################
369		790
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
493		792
494	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
497		796
498	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	799	Deliantra).
501		800
502	=over 4	801	=over 4
503		802
504	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
505		804
…		…
549	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
550		849
551	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
553		852
554	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
556		855
557	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
558		857
559	=over 4	858	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	918	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	919	our @CB_MAP = ();
621		920
622	my %attachment;	921	my %attachment;
623		922
		923	sub cf::attachable::thawer_merge {
		924	# simply override everything except _meta
		925	local $_[0]{_meta};
		926	%{$_[0]} = %{$_[1]};
		927	}
		928
624	sub _attach_cb($$$$) {	929	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	930	my ($registry, $event, $prio, $cb) = @_;
626		931
627	use sort 'stable';	932	use sort 'stable';
628		933
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
663		968
664	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		973
669	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	975	my $pkg = shift @arg;
671		976
672	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
677		982
678	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
679	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
680		985
681	} elsif (ref $type) {	986	} elsif (ref $type) {
682	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
683		988
684	} else {	989	} else {
685	shift @arg;	990	shift @arg;
686	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
687	}	992	}
688	}	993	}
689	}	994	}
690		995
691	sub _object_attach {	996	sub _object_attach {
…		…
701	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
702	}	1007	}
703		1008
704	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
705	} else {	1010	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
707	}	1012	}
708		1013
709	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
710	}	1015	}
711		1016
…		…
713	if (ref $_[0]) {	1018	if (ref $_[0]) {
714	_object_attach @_;	1019	_object_attach @_;
715	} else {	1020	} else {
716	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
717	}	1022	}
		1023	_recalc_want;
718	};	1024	};
719		1025
720	# all those should be optimised	1026	# all those should be optimised
721	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
726	reattach ($obj);	1032	reattach ($obj);
727	} else {	1033	} else {
728	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
729	}	1035	}
		1036	_recalc_want;
730	};	1037	};
731		1038
732	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
734		1041
…		…
749	";	1056	";
750	die if $@;	1057	die if $@;
751	}	1058	}
752		1059
753	our $override;	1060	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1062
756	sub override {	1063	sub override {
757	$override = 1;	1064	$override = 1;
758	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
759	}	1066	}
760		1067
761	sub do_invoke {	1068	sub do_invoke {
762	my $event = shift;	1069	my $event = shift;
763	my $callbacks = shift;	1070	my $callbacks = shift;
764		1071
765	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
766		1073
767	local $override;	1074	local $override;
768		1075
769	for (@$callbacks) {	1076	for (@$callbacks) {
770	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
771		1078
772	if ($@) {	1079	if ($@) {
773	warn "$@";
774	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
775	override;	1081	override;
776	}	1082	}
777		1083
778	return 1 if $override;	1084	return 1 if $override;
779	}	1085	}
780		1086
781	0	1087	0
782	}	1088	}
783		1089
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1091
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1093
788	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
789		1095
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1099
794	=back	1100	=back
795		1101
796	=cut	1102	=cut
797		1103
798	#############################################################################	1104	#############################################################################
799	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
800		1148
801	sub reattach {	1149	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1151	my ($obj) = @_;
		1152
		1153	# no longer needed after getting rid of delete_package?
		1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1155
805	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
806		1157
807	@$registry = ();	1158	@$registry = ();
808		1159
…		…
813	for (@$attach) {	1164	for (@$attach) {
814	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
815	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
816	}	1167	}
817	} else {	1168	} else {
818	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
819	}	1170	}
820	}	1171	}
821	}	1172	}
822		1173
823	cf::attachable->attach (	1174	cf::attachable->attach (
824	prio => -1000000,	1175	prio => -1000000,
825	on_instantiate => sub {	1176	on_instantiate => sub {
826	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
827		1178
828	$data = from_json $data;	1179	$data = decode_json $data;
829		1180
830	for (@$data) {	1181	for (@$data) {
831	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
832		1183
833	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1200	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
851		1202
852	sync_job {	1203	sync_job {
853	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
856		1209
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	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;
860	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
861	close $fh;	1217	aio_close $fh;
862		1218
863	if (@$objs) {	1219	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
		1224	if ($cf::USE_FSYNC) {
		1225	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;
868	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
869	close $fh;	1228	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
871	}	1230	}
872	} else {	1231	} else {
873	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
874	}	1233	}
875		1234
876	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
877	} else {	1239	} else {
878	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
879	}	1241	}
880	} else {	1242	} else {
881	aio_unlink $filename;	1243	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
883	}	1245	}
884	}	1246	};
885	}	1247	}
886		1248
887	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
889		1251
…		…
901	or return;	1263	or return;
902		1264
903	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
905	or return;	1267	or return;
		1268
906	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
907	}	1271	}
908		1272
		1273	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
911	return ($data, $av);	1278	($data, $av)
912	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
913		1286
914	#############################################################################	1287	#############################################################################
915	# command handling &c	1288	# command handling &c
916		1289
917	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1304	}
932		1305
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1307
935	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
936		1313
937	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
938	called.	1315	called.
939		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
940	=cut	1328	=cut
941		1329
942	sub register_extcmd {	1330	sub register_extcmd {
943	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
944		1332
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1333	$EXTCMD{$name} = $cb;
949	}	1334	}
		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
950		1343
951	cf::player->attach (	1344	cf::player->attach (
952	on_command => sub {	1345	on_unknown_command => sub {
953	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
954		1347
955	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
956	or return;	1349	or return;
957		1350
…		…
962	cf::override;	1355	cf::override;
963	},	1356	},
964	on_extcmd => sub {	1357	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
966		1359
967	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1361
969	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
975	} else {	1377	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1379	}
978		1380
979	cf::override;	1381	cf::override;
980	},	1382	},
981	);	1383	);
982		1384
983	sub register {	1385	# "readahead" all extensions
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	1386	sub cache_extensions {
990	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
991		1388
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
993	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
994	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}	1392	}
1042	}	1393	};
1043		1394
1044	# remove extcmds	1395	$grp
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	1396	}
1058		1397
1059	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
1060	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1405	next unless -r $path;
1062	eval {	1406
1063	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
1064	1	1470	}
1065	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
1066	}	1481	};
1067	}	1482	}
1068		1483
1069	#############################################################################	1484	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1485
1072	*cf::mapsupport::on_clean = sub {	1486	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1487
1085	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1086		1489
1087	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1088		1491
1089	=cut	1492	=cut
1090		1493
1091	package cf::player;	1494	package cf::player;
1092		1495
…		…
1094		1497
1095	=head3 cf::player	1498	=head3 cf::player
1096		1499
1097	=over 4	1500	=over 4
1098		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
1099	=item cf::player::find $login	1516	=item cf::player::find $login
1100		1517
1101	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1102		1519
1103	=cut	1520	=cut
1104		1521
1105	sub playerdir($) {	1522	sub playerdir($) {
1106	cf::localdir	1523	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1525	}
1112		1526
1113	sub path($) {	1527	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1529
1116	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
1117	}	1531	}
1118		1532
1119	sub find_active($) {	1533	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
1124		1538
1125	sub exists($) {	1539	sub exists($) {
1126	my ($login) = @_;	1540	my ($login) = @_;
1127		1541
1128	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1543	or !aio_stat path $login
1130	}	1544	}
1131		1545
1132	sub find($) {	1546	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1548	my $login = $_[0];
1135		1549
1136	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
1137		1551
1138	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1142	}	1569	}
1143	}	1570	}
1144	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1145		1585
1146	sub save($) {	1586	sub save($) {
1147	my ($pl) = @_;	1587	my ($pl) = @_;
1148		1588
1149	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1154	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1155		1595
1156	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1158		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1159	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1160	Coro::cede;	1605	cf::cede_to_tick;
1161	}	1606	}
1162		1607
1163	sub new($) {	1608	sub new($) {
1164	my ($login) = @_;	1609	my ($login) = @_;
1165		1610
…		…
1171	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1172		1617
1173	$self	1618	$self
1174	}	1619	}
1175		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1176	=item $pl->quit_character	1631	=item $pl->quit_character
1177		1632
1178	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1180		1635
1181	=cut	1636	=cut
1182		1637
1183	sub quit_character {	1638	sub quit_character {
1184	my ($pl) = @_;	1639	my ($pl) = @_;
1185		1640
		1641	my $name = $pl->ob->name;
		1642
1186	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1645
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1193		1651
1194	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1656	$pl->destroy;
		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1199	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
1200	}	1678	}
1201		1679
1202	=item cf::player::list_logins	1680	=item cf::player::list_logins
1203		1681
1204	Returns am arrayref of all valid playernames in the system, can take a	1682	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1206		1684
1207	=cut	1685	=cut
1208		1686
1209	sub list_logins {	1687	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1689	or return [];
1212		1690
1213	my @logins;	1691	my @logins;
1214		1692
1215	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1219		1703
1220	utf8::decode $login;	1704	utf8::decode $login;
1221	push @logins, $login;	1705	push @logins, $login;
1222	}	1706	}
1223		1707
1224	\@logins	1708	\@logins
1225	}	1709	}
1226		1710
1227	=item $player->maps	1711	=item $player->maps
1228		1712
		1713	=item cf::player::maps $login
		1714
1229	Returns an arrayref of cf::path's of all maps that are private for this	1715	Returns an arrayref of map paths that are private for this
1230	player. May block.	1716	player. May block.
1231		1717
1232	=cut	1718	=cut
1233		1719
1234	sub maps($) {	1720	sub maps($) {
1235	my ($pl) = @_;	1721	my ($pl) = @_;
		1722
		1723	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1724
1237	my $files = aio_readdir playerdir $pl	1725	my $files = aio_readdir playerdir $pl
1238	or return;	1726	or return;
1239		1727
1240	my @paths;	1728	my @paths;
1241		1729
1242	for (@$files) {	1730	for (@$files) {
1243	utf8::decode $_;	1731	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1732	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1733	next unless /^$PATH_SEP/o;
1246		1734
1247	s/$PATH_SEP/\//g;	1735	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1736	}
1250		1737
1251	\@paths	1738	\@paths
1252	}	1739	}
1253		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1255		1746
1256	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1257		1748
1258	=cut	1749	=cut
1259		1750
1260	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1262		1753
1263	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1755	}
1267		1756
1268	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1269		1799
1270	=back	1800	=back
1271
1272		1801
1273	=head3 cf::map	1802	=head3 cf::map
1274		1803
1275	=over 4	1804	=over 4
1276		1805
…		…
1279	package cf::map;	1808	package cf::map;
1280		1809
1281	use Fcntl;	1810	use Fcntl;
1282	use Coro::AIO;	1811	use Coro::AIO;
1283		1812
		1813	use overload
		1814	'""' => \&as_string,
		1815	fallback => 1;
		1816
1284	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1286		1819
1287	sub generate_random_map {	1820	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1824
1290	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1826	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1834	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1835	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1836	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1837	(cf::region::find $rmp->{region}), $rmp->{custom}
		1838	)
1304	}	1839	}
1305		1840
1306	# and all this just because we cannot iterate over	1841	=item cf::map->register ($regex, $prio)
1307	# all maps in C++...
1308	sub change_all_map_light {
1309	my ($change) = @_;
1310		1842
1311	$_->change_map_light ($change)	1843	Register a handler for the map path matching the given regex at the
1312	for grep $_->outdoor, values %cf::MAP;	1844	givne priority (higher is better, built-in handlers have priority 0, the
1313	}	1845	default).
1314		1846
1315	sub try_load_header($) {	1847	=cut
		1848
		1849	sub register {
		1850	my (undef, $regex, $prio) = @_;
		1851	my $pkg = caller;
		1852
		1853	no strict;
		1854	push @{"$pkg\::ISA"}, __PACKAGE__;
		1855
		1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1857	}
		1858
		1859	# also paths starting with '/'
		1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1861
		1862	sub thawer_merge {
		1863	my ($self, $merge) = @_;
		1864
		1865	# we have to keep some variables in memory intact
		1866	local $self->{path};
		1867	local $self->{load_path};
		1868
		1869	$self->SUPER::thawer_merge ($merge);
		1870	}
		1871
		1872	sub normalise {
1316	my ($path) = @_;	1873	my ($path, $base) = @_;
		1874
		1875	$path = "$path"; # make sure its a string
		1876
		1877	$path =~ s/\.map$//;
		1878
		1879	# map plan:
		1880	#
		1881	# /! non-realised random map exit (special hack!)
		1882	# {... are special paths that are not being touched
		1883	# ?xxx/... are special absolute paths
		1884	# ?random/... random maps
		1885	# /... normal maps
		1886	# ~user/... per-player map of a specific user
		1887
		1888	$path =~ s/$PATH_SEP/\//go;
		1889
		1890	# treat it as relative path if it starts with
		1891	# something that looks reasonable
		1892	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1893	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1894
		1895	$base =~ s{[^/]+/?$}{};
		1896	$path = "$base/$path";
		1897	}
		1898
		1899	for ($path) {
		1900	redo if s{//}{/};
		1901	redo if s{/\.?/}{/};
		1902	redo if s{/[^/]+/\.\./}{/};
		1903	}
		1904
		1905	$path
		1906	}
		1907
		1908	sub new_from_path {
		1909	my (undef, $path, $base) = @_;
		1910
		1911	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1912
		1913	$path = normalise $path, $base;
		1914
		1915	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1916	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1917	my $self = bless cf::map::new, $pkg;
		1918	$self->{path} = $path; $self->path ($path);
		1919	$self->init; # pass $1 etc.
		1920	return $self;
		1921	}
		1922	}
		1923
		1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1925	()
		1926	}
		1927
		1928	sub init {
		1929	my ($self) = @_;
		1930
		1931	$self
		1932	}
		1933
		1934	sub as_string {
		1935	my ($self) = @_;
		1936
		1937	"$self->{path}"
		1938	}
		1939
		1940	# the displayed name, this is a one way mapping
		1941	sub visible_name {
		1942	&as_string
		1943	}
		1944
		1945	# the original (read-only) location
		1946	sub load_path {
		1947	my ($self) = @_;
		1948
		1949	"$MAPDIR/$self->{path}.map"
		1950	}
		1951
		1952	# the temporary/swap location
		1953	sub save_path {
		1954	my ($self) = @_;
		1955
		1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1957	"$TMPDIR/$path.map"
		1958	}
		1959
		1960	# the unique path, undef == no special unique path
		1961	sub uniq_path {
		1962	my ($self) = @_;
		1963
		1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1965	"$UNIQUEDIR/$path"
		1966	}
		1967
		1968	sub decay_objects {
		1969	my ($self) = @_;
		1970
		1971	return if $self->{deny_reset};
		1972
		1973	$self->do_decay_objects;
		1974	}
		1975
		1976	sub unlink_save {
		1977	my ($self) = @_;
		1978
		1979	utf8::encode (my $save = $self->save_path);
		1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1981	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1982	}
		1983
		1984	sub load_header_from($) {
		1985	my ($self, $path) = @_;
1317		1986
1318	utf8::encode $path;	1987	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1320	or return;	1989	or return;
1321		1990
1322	my $map = cf::map::new	1991	$self->_load_header ($f)
1323	or return;	1992	or return;
1324		1993
1325	# for better error messages only, will be overwritten	1994	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1995	$f->resolve_delayed_derefs;
1327		1996
1328	$map->load_header ($path)	1997	$self->{load_path} = $path;
		1998
		1999	1
		2000	}
		2001
		2002	sub load_header_orig {
		2003	my ($self) = @_;
		2004
		2005	$self->load_header_from ($self->load_path)
		2006	}
		2007
		2008	sub load_header_temp {
		2009	my ($self) = @_;
		2010
		2011	$self->load_header_from ($self->save_path)
		2012	}
		2013
		2014	sub prepare_temp {
		2015	my ($self) = @_;
		2016
		2017	$self->last_access ((delete $self->{last_access})
		2018	|| $cf::RUNTIME); #d#
		2019	# safety
		2020	$self->{instantiate_time} = $cf::RUNTIME
		2021	if $self->{instantiate_time} > $cf::RUNTIME;
		2022	}
		2023
		2024	sub prepare_orig {
		2025	my ($self) = @_;
		2026
		2027	$self->{load_original} = 1;
		2028	$self->{instantiate_time} = $cf::RUNTIME;
		2029	$self->last_access ($cf::RUNTIME);
		2030	$self->instantiate;
		2031	}
		2032
		2033	sub load_header {
		2034	my ($self) = @_;
		2035
		2036	if ($self->load_header_temp) {
		2037	$self->prepare_temp;
		2038	} else {
		2039	$self->load_header_orig
1329	or return;	2040	or return;
		2041	$self->prepare_orig;
		2042	}
1330		2043
1331	$map->{load_path} = $path;	2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
1332		2046
1333	$map	2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
		2050	1
1334	}	2051	}
1335		2052
1336	sub find;	2053	sub find;
1337	sub find {	2054	sub find {
1338	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1339		2056
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		2058
1345	cf::lock_wait "map_find:$key";	2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1346
1347	$cf::MAP{$key} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1349		2061
1350	# do it the slow way	2062	$cf::MAP{$path} || do {
1351	my $map = try_load_header $path->save_path;	2063	my $map = new_from_path cf::map $path
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	2064	or return;
1369		2065
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1382		2067
1383	Coro::cede;	2068	$map->load_header
		2069	or return;
1384		2070
1385	if ($map->should_reset) {	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2072	# doing this can freeze the server in a sync job, obviously
		2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1386	$map->reset;	2076	$map->reset;
1387	undef $guard;
1388	$map = find $path	2077	return find $path;
1389	or return;
1390	}	2078	}
1391		2079
1392	$cf::MAP{$key} = $map	2080	$cf::MAP{$path} = $map
1393	}	2081	}
1394	}	2082	}
		2083
		2084	sub pre_load { }
		2085	#sub post_load { } # XS
1395		2086
1396	sub load {	2087	sub load {
1397	my ($self) = @_;	2088	my ($self) = @_;
1398		2089
		2090	local $self->{deny_reset} = 1; # loading can take a long time
		2091
1399	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2095	my $guard = cf::lock_acquire "map_data:$path";
1401		2096
		2097	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2099
1404	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1405		2101
1406	$self->alloc;	2102	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2103
		2104	$self->pre_load;
		2105	cf::cede_to_tick;
		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1408	or return;	2110	or return;
1409		2111
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1411	if delete $self->{load_original};	2113	if delete $self->{load_original};
1412		2114
1413	if (my $uniq = $path->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2116	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2119	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1418	}	2123	}
1419	}	2124	}
1420		2125
1421	Coro::cede;	2126	$f->resolve_delayed_derefs;
1422		2127
		2128	cf::cede_to_tick;
1423	# now do the right thing for maps	2129	# now do the right thing for maps
1424	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2132	unless $self->difficulty;
		2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1436	$self->activate;	2140	$self->activate;
1437	}	2141	}
1438		2142
1439	Coro::cede;	2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
1440		2145
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
		2147	}
		2148
		2149	$self->post_load;
		2150	}
		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
		2155	sub customise_for {
		2156	my ($self, $ob) = @_;
		2157
		2158	return find "~" . $ob->name . "/" . $self->{path}
		2159	if $self->per_player;
		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
		2164	$self
		2165	}
		2166
		2167	# find and load all maps in the 3x3 area around a map
		2168	sub load_neighbours {
		2169	my ($map) = @_;
		2170
		2171	my @neigh; # diagonal neighbours
		2172
		2173	for (0 .. 3) {
		2174	my $neigh = $map->tile_path ($_)
		2175	or next;
		2176	$neigh = find $neigh, $map
		2177	or next;
		2178	$neigh->load;
		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
		2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2184	}
		2185
		2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
		2188	my $neigh = find $path, $origin
		2189	or next;
		2190	$neigh->load;
		2191	}
1442	}	2192	}
1443		2193
1444	sub find_sync {	2194	sub find_sync {
1445	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1446		2196
1447	cf::sync_job { cf::map::find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1448	}	2201	}
1449		2202
1450	sub do_load_sync {	2203	sub do_load_sync {
1451	my ($map) = @_;	2204	my ($map) = @_;
1452		2205
1453	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
		2210	}
		2211
		2212	our %MAP_PREFETCH;
		2213	our $MAP_PREFETCHER = undef;
		2214
		2215	sub find_async {
		2216	my ($path, $origin, $load) = @_;
		2217
		2218	$path = normalise $path, $origin && $origin->{path};
		2219
		2220	if (my $map = $cf::MAP{$path}) {
		2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2222	}
		2223
		2224	$MAP_PREFETCH{$path} |= $load;
		2225
		2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
		2229	while (%MAP_PREFETCH) {
		2230	while (my ($k, $v) = each %MAP_PREFETCH) {
		2231	if (my $map = find $k) {
		2232	$map->load if $v;
		2233	}
		2234
		2235	delete $MAP_PREFETCH{$k};
		2236	}
		2237	}
		2238	undef $MAP_PREFETCHER;
		2239	};
		2240	$MAP_PREFETCHER->prio (6);
		2241
		2242	()
		2243	}
		2244
		2245	# common code, used by both ->save and ->swapout
		2246	sub _save {
		2247	my ($self) = @_;
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250
		2251	return unless $self->dirty;
		2252
		2253	my $save = $self->save_path; utf8::encode $save;
		2254	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2255
		2256	$self->{load_path} = $save;
		2257
		2258	return if $self->{deny_save};
		2259
		2260	local $self->{last_access} = $self->last_access;#d#
		2261
		2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
		2264	$_->contr->save for $self->players;
		2265	};
		2266
		2267	cf::get_slot 0.02;
		2268
		2269	if ($uniq) {
		2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2272	} else {
		2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2274	}
1454	}	2275	}
1455		2276
1456	sub save {	2277	sub save {
1457	my ($self) = @_;	2278	my ($self) = @_;
1458		2279
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
1460		2281
1461	$self->{last_save} = $cf::RUNTIME;	2282	$self->_save;
1462
1463	return unless $self->dirty;
1464
1465	my $save = $self->{path}->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1467
1468	$self->{load_path} = $save;
1469
1470	return if $self->{deny_save};
1471
1472	local $self->{last_access} = $self->last_access;#d#
1473
1474	cf::async {
1475	$_->contr->save for $self->players;
1476	};
1477
1478	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}
1484	}	2283	}
1485		2284
1486	sub swap_out {	2285	sub swap_out {
1487	my ($self) = @_;	2286	my ($self) = @_;
1488		2287
1489	# save first because save cedes
1490	$self->save;
1491
1492	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1493		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1494	return if $self->players;	2292	return if $self->players;
1495	return if $self->in_memory != cf::MAP_IN_MEMORY;
1496	return if $self->{deny_save};
1497		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1498	$self->clear;	2303	$self->clear;
1499	$self->in_memory (cf::MAP_SWAPPED);
1500	}	2304	}
1501		2305
1502	sub reset_at {	2306	sub reset_at {
1503	my ($self) = @_;	2307	my ($self) = @_;
1504		2308
1505	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1508		2311
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2314
…		…
1516	my ($self) = @_;	2319	my ($self) = @_;
1517		2320
1518	$self->reset_at <= $cf::RUNTIME	2321	$self->reset_at <= $cf::RUNTIME
1519	}	2322	}
1520		2323
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2324	sub reset {
1543	my ($self) = @_;	2325	my ($self) = @_;
1544		2326
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2328
1547	return if $self->players;	2329	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2330
1550	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
		2332
		2333	$self->in_memory (cf::MAP_SWAPPED);
		2334
		2335	# need to save uniques path
		2336	unless ($self->{deny_save}) {
		2337	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2338
		2339	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2340	if $uniq;
		2341	}
1551		2342
1552	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1553		2344
		2345	$self->deactivate;
1554	$_->clear_links_to ($self) for values %cf::MAP;	2346	$_->clear_links_to ($self) for values %cf::MAP;
		2347	$self->clear;
1555		2348
1556	$self->unlink_save;	2349	$self->unlink_save;
1557	$self->destroy;	2350	$self->destroy;
1558	}	2351	}
1559		2352
1560	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1561		2354
1562	sub nuke {	2355	sub nuke {
1563	my ($self) = @_;	2356	my ($self) = @_;
1564		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
		2361	delete $cf::MAP{$self->path};
		2362
		2363	$self->unlink_save;
		2364
		2365	bless $self, "cf::map::wrap";
		2366	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2370
		2371	$cf::MAP{$self->path} = $self;
		2372	}
		2373
1568	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
1569	}	2375	}
1570		2376
1571	sub customise_for {	2377	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2378
1574	if ($map->per_player) {	2379	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
1576	}	2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
1577		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
		2411	}
		2412
		2413	=item cf::map::unique_maps
		2414
		2415	Returns an arrayref of paths of all shared maps that have
		2416	instantiated unique items. May block.
		2417
		2418	=cut
		2419
		2420	sub unique_maps() {
		2421	[
		2422	map {
		2423	utf8::decode $_;
		2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
		2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
		2429	]
		2430	}
		2431
		2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
1578	$map	2461	\@maps
1579	}	2462	}
1580
1581	package cf;
1582		2463
1583	=back	2464	=back
1584		2465
1585	=head3 cf::object	2466	=head3 cf::object
1586		2467
…		…
1590		2471
1591	=over 4	2472	=over 4
1592		2473
1593	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1594		2475
1595	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1596		2478
1597	=cut	2479	=cut
1598		2480
1599	sub inv_recursive_;	2481	sub inv_recursive_;
1600	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1603		2485
1604	sub inv_recursive {	2486	sub inv_recursive {
1605	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1606	}	2488	}
1607		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1608	package cf;	2518	package cf;
1609		2519
1610	=back	2520	=back
1611		2521
1612	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1618	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1619	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1620	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1621		2531
1622	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1623		2547
1624	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1625	# with dialog boxes.	2549	# with dialog boxes.
1626	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1627	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1629		2553
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2555
1632	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1634	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1635	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1637	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1638	}	2581	}
1639		2582
1640	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1641		2584
1642	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1655		2598
1656	=item $player_object->enter_link	2599	=item $player_object->enter_link
1657		2600
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2602
1660	The player should be reaosnably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1661	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
		2607
		2608	Will never block.
1662		2609
1663	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1664		2611
1665	Moves the player out of the specila link map onto the given map. If the	2612	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2613	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2614	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2615	fails, to the emergency map position.
1669		2616
1670	Might block.	2617	Might block.
1671		2618
1672	=cut	2619	=cut
		2620
		2621	sub link_map {
		2622	unless ($LINK_MAP) {
		2623	$LINK_MAP = cf::map::find "{link}"
		2624	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2625	$LINK_MAP->load;
		2626	}
		2627
		2628	$LINK_MAP
		2629	}
1673		2630
1674	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2632	my ($self) = @_;
1676		2633
1677	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1678		2635
1679	return if $self->map == $LINK_MAP;	2636	++$self->{_link_recursion};
		2637
		2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2639
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1683		2642
1684	$self->enter_map ($LINK_MAP, 20, 20);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1685	}	2644	}
1686		2645
1687	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1689		2650
1690	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1691		2652
1692	unless ($map) {	2653	unless ($map) {
1693	# restore original map position	2654	# restore original map position
…		…
1704	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1705	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1706		2667
1707	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1710		2671
1711	$map->load;	2672	$map->load;
		2673	$map->load_neighbours;
1712		2674
1713	return unless $self->contr->active;	2675	return unless $self->contr->active;
		2676
		2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2678	if ($self->enter_map ($map, $x, $y)) {
		2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
1714	$self->activate_recursive;	2682	$self->activate_recursive;
1715	$self->enter_map ($map, $x, $y);
1716	}
1717
1718	cf::player->attach (
1719	on_logout => sub {
1720	my ($pl) = @_;
1721
1722	# abort map switching before logout
1723	if ($pl->ob->{_link_pos}) {
1724	cf::sync_job {
1725	$pl->ob->leave_link
1726	};
1727	}
1728	},	2683	}
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2684
1732	# try to abort aborted map switching on player login :)	2685	}
1733	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749		2686
1750	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1751		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1752	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1753		2701
1754	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2704
1757	$path = new cf::path $path;	2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
1758	$path ne "/" or Carp::cluck ("oy");#d#	2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2713
1760	$self->enter_link;	2714	$self->enter_link;
1761		2715
1762	(async {	2716	(async {
1763	my $map = cf::map::find $path->as_string;	2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
		2738	my $map = eval {
		2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
1765		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2744	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
1770		2747
		2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
		2754	}
		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1772	})->prio (1);	2762	})->prio (1);
1773	}	2763	}
1774		2764
1775	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1776		2766
…		…
1778		2768
1779	sub parse_random_map_params {	2769	sub parse_random_map_params {
1780	my ($spec) = @_;	2770	my ($spec) = @_;
1781		2771
1782	my $rmp = { # defaults	2772	my $rmp = { # defaults
1783	xsize => 10,	2773	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2774	ysize => (cf::rndm 15, 40),
		2775	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2776	#layout => string,
1785	};	2777	};
1786		2778
1787	for (split /\n/, $spec) {	2779	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2780	my ($k, $v) = split /\s+/, $_, 2;
1789		2781
…		…
1801	# that depends on the exit object	2793	# that depends on the exit object
1802		2794
1803	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
1804		2796
1805	if ($exit->map) {	2797	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2798	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1810	}	2804	}
1811		2805
1812	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1813		2807
1814	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1815	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
		2810	my $meta = "$RANDOMDIR/$md5.meta";
1816		2811
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
		2814	undef $fh;
		2815	aio_rename "$meta~", $meta;
1819		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1820	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1822	}	2823	}
1823	}	2824	}
1824		2825
1825	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
…		…
1828	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1829		2830
1830	$self->enter_link;	2831	$self->enter_link;
1831		2832
1832	(async {	2833	(async {
1833	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1834	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
1835	prepare_random_map $exit	2843	prepare_random_map $exit
1836	if $exit->slaying eq "/!";	2844	if $exit->slaying eq "/!";
		2845	}
1837		2846
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
1840		2850
		2851	$self->goto ($map, $x, $y);
		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1841	1;	2857	1
1842	}) {	2858	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1844	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2861	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2863
1848	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1849	$self->leave_link;	2865	$self->leave_link;
1850	}	2866	}
1851	})->prio (1);	2867	})->prio (1);
1852	}	2868	}
1853		2869
…		…
1864		2880
1865	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1867		2883
1868	utf8::encode $text;	2884	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2886	}
1871		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1872		3109
1873	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1874		3111
1875	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		3115
1879	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	3117	become reliable at some point in the future.
1881		3118
1882	=cut	3119	=cut
1883		3120
1884	sub cf::client::query {	3121	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	3130	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		3132
1896	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
1898	}	3137	}
1899		3138
1900	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
1901	on_reply => sub {	3145	on_reply => sub {
1902	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
1903		3147
1904	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
1905	# get handled first	3149	# get handled first
1906	my $queue = delete $ns->{query_queue}	3150	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	3151	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		3152
1909	(shift @$queue)->[1]->($msg);	3153	(shift @$queue)->[1]->($msg);
		3154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		3155
1911	push @{ $ns->{query_queue} }, @$queue;	3156	push @{ $ns->{query_queue} }, @$queue;
1912		3157
1913	if (@{ $ns->{query_queue} } == @$queue) {	3158	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	3159	if (@$queue) {
…		…
1916	} else {	3161	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	3163	}
1919	}	3164	}
1920	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
1921	);	3192	);
1922		3193
1923	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
1924		3195
1925	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
1941		3212
1942	$coro	3213	$coro
1943	}	3214	}
1944		3215
1945	cf::client->attach (	3216	cf::client->attach (
1946	on_destroy => sub {	3217	on_client_destroy => sub {
1947	my ($ns) = @_;	3218	my ($ns) = @_;
1948		3219
1949	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1950	},	3221	},
1951	);	3222	);
…		…
1966	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
1968		3239
1969	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
1970		3241
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
1972		3247
1973	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
1974		3249
1975	=pod	3250	=pod
1976		3251
1977	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
1978		3253
1979	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
1980	cf::object::player player	3259	cf::object::player
1981	cf::player peaceful	3260	player
1982	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
1983		3267
1984	=cut	3268	=cut
1985		3269
1986	for (	3270	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
1988	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
1990	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
1991	) {	3277	) {
1992	no strict 'refs';	3278	no strict 'refs';
1993	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
1994	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2012		3298
2013	my $qcode = $code;	3299	my $qcode = $code;
2014	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2015	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2016		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2017	local $_;	3306	local $_;
2018	local @safe::cf::_safe_eval_args = values %vars;
2019		3307
2020	my $eval =	3308	my $eval =
2021	"do {\n"	3309	"do {\n"
2022	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2023	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2024	. $code	3312	. $code
2025	. "\n}"	3313	. "\n}"
2026	;	3314	;
2027		3315
		3316	if ($CFG{safe_eval}) {
2028	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2029	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2030	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2031		3325
2032	if ($@) {	3326	if ($@) {
2033	warn "$@";	3327	warn "$@",
2034	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2035	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2036	}	3330	}
2037		3331
2038	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2039	}	3333	}
2040		3334
…		…
2054	=cut	3348	=cut
2055		3349
2056	sub register_script_function {	3350	sub register_script_function {
2057	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2058		3352
2059	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2060	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2061	}	3355	}
2062		3356
2063	=back	3357	=back
2064		3358
2065	=cut	3359	=cut
2066		3360
2067	#############################################################################	3361	#############################################################################
		3362	# the server's init and main functions
2068		3363
2069	=head2 EXTENSION DATABASE SUPPORT	3364	sub load_facedata($) {
		3365	my ($path) = @_;
2070		3366
2071	Crossfire maintains a very simple database for extension use. It can	3367	# HACK to clear player env face cache, we need some signal framework
2072	currently store anything that can be serialised using Storable, which	3368	# for this (global event?)
2073	excludes objects.	3369	%ext::player_env::MUSIC_FACE_CACHE = ();
2074		3370
2075	The parameter C<$family> should best start with the name of the extension	3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2076	using it, it should be unique.
2077		3372
2078	=over 4	3373	trace "loading facedata from $path\n";
2079		3374
2080	=item $hashref = cf::db_get $family	3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
2081		3378
2082	Return a hashref for use by the extension C<$family>, which can be	3379	$facedata = Coro::Storable::thaw $facedata;
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085		3380
2086	=item $value = cf::db_get $family => $key	3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2087		3383
2088	Returns a single value from the database	3384	# patch in the exptable
2089		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2090	=item cf::db_put $family => $hashref	3386	$facedata->{resource}{"res/exp_table"} = {
2091		3387	type => FT_RSRC,
2092	Stores the given family hashref into the database. Updates are delayed, if	3388	data => $exp_table,
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3389	hash => (Digest::MD5::md5 $exp_table),
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}
2118
2119	my $pid;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	3390	};
		3391	cf::cede_to_tick;
2141		3392
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}	3393	{
		3394	my $faces = $facedata->{faceinfo};
2146		3395
2147	sub db_get($;$) {	3396	while (my ($face, $info) = each %$faces) {
2148	@_ >= 2	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		3398
2153	sub db_put($$;$) {	3399	cf::face::set_visibility $idx, $info->{visibility};
2154	if (@_ >= 3) {	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2155	$DB->{$_[0]}{$_[1]} = $_[2];	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2156	} else {	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		3403
2162	cf::global->attach (	3404	cf::cede_to_tick;
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	3405	}
2167	);
2168	}
2169		3406
2170	#############################################################################	3407	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	3408	next unless $info->{smooth};
2172		3409
2173	sub cfg_load {	3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
		3527	sub reload_resources {
		3528	trace "reloading resource files...\n";
		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
		3533	reload_regions;
		3534	reload_treasures;
		3535
		3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2174	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	3543	or return;
2176		3544
2177	local $/;	3545	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2179		3547
2180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2181		3549
2182	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2183	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2184		3552
2185	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2187	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2188	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2189	};	3557	};
2190	warn $@ if $@;	3558	warn $@ if $@;
2191	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2192	}	3590	}
2193		3591
2194	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2195	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2198	async { Event::one_event };	3605	(async {
		3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
		3608	})->prio (Coro::PRIO_MAX);
2199	};	3609	};
2200		3610
2201	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
2202	db_load;	3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
		3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2203	load_extensions;	3634	load_extensions;
2204	Event::loop;	3635
		3636	utime time, time, $RUNTIMEFILE;
		3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2205	}	3649	}
2206		3650
2207	#############################################################################	3651	#############################################################################
2208	# initialisation and cleanup	3652	# initialisation and cleanup
2209		3653
2210	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2211	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2212	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2214	data => WF_AUTOCANCEL,
2215	signal => $signal,
2216	cb => sub {
2217	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2218	},
2219	);	3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
2220	}	3699	1
2221	}	3700	}
2222		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
		3750	}
		3751
2223	sub emergency_save {	3752	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2225		3754
2226	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2227		3761
2228	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2229	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2233	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2236	$pl->save;	3773	$pl->save;
2237	}	3774	}
2238	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2239		3776
2240	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2241	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2242	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3782	$map->valid or next;
2244	$map->save;	3783	$map->save;
2245	}	3784	}
2246	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
		3786
		3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
		3790	BDB::db_env_txn_checkpoint $DB_ENV;
		3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2247	};	3815	};
2248		3816
2249	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2250	}	3818	}
2251		3819
		3820	sub post_cleanup {
		3821	my ($make_core) = @_;
		3822
		3823	IO::AIO::flush;
		3824
		3825	error Carp::longmess "post_cleanup backtrace"
		3826	if $make_core;
		3827
		3828	my $fh = pidfile;
		3829	unlink $PIDFILE if <$fh> == $$;
		3830	}
		3831
		3832	# a safer delete_package, copied from Symbol
		3833	sub clear_package($) {
		3834	my $pkg = shift;
		3835
		3836	# expand to full symbol table name if needed
		3837	unless ($pkg =~ /^main::.*::$/) {
		3838	$pkg = "main$pkg" if $pkg =~ /^::/;
		3839	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3840	$pkg .= '::' unless $pkg =~ /::$/;
		3841	}
		3842
		3843	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3844	my $stem_symtab = *{$stem}{HASH};
		3845
		3846	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3847	or return;
		3848
		3849	# clear all symbols
		3850	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3851	for my $name (keys %$leaf_symtab) {
		3852	_gv_clear *{"$pkg$name"};
		3853	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3854	}
		3855	}
		3856
2252	sub reload() {	3857	sub do_reload_perl() {
2253	# can/must only be called in main	3858	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3859	if (in_main) {
2255	warn "can only reload from main coroutine\n";	3860	error "can only reload from main coroutine";
2256	return;	3861	return;
2257	}	3862	}
2258		3863
		3864	return if $RELOAD++;
		3865
		3866	my $t1 = AE::time;
		3867
		3868	while ($RELOAD) {
2259	warn "reloading...";	3869	info "reloading...";
2260		3870
2261	my $guard = freeze_mainloop;	3871	trace "entering sync_job";
		3872
		3873	cf::sync_job {
2262	cf::emergency_save;	3874	cf::emergency_save;
2263		3875
2264	eval {
2265	# if anything goes wrong in here, we should simply crash as we already saved
2266
2267	# cancel all watchers
2268	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}
2271
2272	# cancel all extension coros	3876	trace "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	3877	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	3878	%EXT_CORO = ();
2275		3879
2276	# unload all extensions	3880	trace "removing commands";
2277	for (@exts) {	3881	%COMMAND = ();
2278	warn "unloading <$_>";
2279	unload_extension $_;
2280	}
2281		3882
2282	# unload all modules loaded from $LIBDIR	3883	trace "removing ext/exti commands";
2283	while (my ($k, $v) = each %INC) {	3884	%EXTCMD = ();
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3885	%EXTICMD = ();
2285		3886
2286	warn "removing <$k>";	3887	trace "unloading/nuking all extensions";
2287	delete $INC{$k};	3888	for my $pkg (@EXTS) {
		3889	trace "... unloading $pkg";
2288		3890
2289	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;
2291
2292	if (my $cb = $k->can ("unload_module")) {	3891	if (my $cb = $pkg->can ("unload")) {
		3892	eval {
2293	$cb->();	3893	$cb->($pkg);
		3894	1
		3895	} or error "$pkg unloaded, but with errors: $@";
		3896	}
		3897
		3898	trace "... clearing $pkg";
		3899	clear_package $pkg;
2294	}	3900	}
2295		3901
2296	Symbol::delete_package $k;	3902	trace "unloading all perl modules loaded from $LIBDIR";
		3903	while (my ($k, $v) = each %INC) {
		3904	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3905
		3906	trace "... unloading $k";
		3907	delete $INC{$k};
		3908
		3909	$k =~ s/\.pm$//;
		3910	$k =~ s/\//::/g;
		3911
		3912	if (my $cb = $k->can ("unload_module")) {
		3913	$cb->();
		3914	}
		3915
		3916	clear_package $k;
2297	}	3917	}
2298		3918
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	3919	trace "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3920	clear_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3921	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3922
2307	# remove register_script_function callbacks	3923	trace "unloading cf.pm \"a bit\"";
2308	# TODO
2309
2310	# unload cf.pm "a bit"
2311	delete $INC{"cf.pm"};	3924	delete $INC{"cf.pm"};
		3925	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2312		3926
2313	# don't, removes xs symbols, too,	3927	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3928	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3929	#clear_package __PACKAGE__;
2316		3930
2317	# reload cf.pm	3931	info "unload completed, starting to reload now";
		3932
2318	warn "reloading cf.pm";	3933	trace "reloading cf.pm";
2319	require cf;	3934	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3935	cf::_connect_to_perl_1;
2321		3936
2322	# load config and database again	3937	trace "loading config and database again";
2323	cf::cfg_load;	3938	cf::reload_config;
2324	cf::db_load;
2325		3939
2326	# load extensions
2327	warn "load extensions";	3940	trace "loading extensions";
2328	cf::load_extensions;	3941	cf::load_extensions;
2329		3942
2330	# reattach attachments to objects	3943	if ($REATTACH_ON_RELOAD) {
2331	warn "reattach";	3944	trace "reattaching attachments to objects/players";
2332	_global_reattach;	3945	_global_reattach; # objects, sockets
		3946	trace "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3947	reattach $_ for values %MAP;
		3948	trace "reattaching attachments to players";
		3949	reattach $_ for values %PLAYER;
		3950	}
		3951
		3952	trace "running post_init jobs";
		3953	(pop @POST_INIT)->(1) while @POST_INIT;
		3954
		3955	trace "leaving sync_job";
		3956
		3957	1
		3958	} or do {
		3959	error $@;
		3960	cf::cleanup "error while reloading, exiting.";
		3961	};
		3962
		3963	info "reloaded";
		3964	--$RELOAD;
		3965	}
		3966
		3967	$t1 = AE::time - $t1;
		3968	info "reload completed in ${t1}s\n";
		3969	};
		3970
		3971	our $RELOAD_WATCHER; # used only during reload
		3972
		3973	sub reload_perl() {
		3974	# doing reload synchronously and two reloads happen back-to-back,
		3975	# coro crashes during coro_state_free->destroy here.
		3976
		3977	$RELOAD_WATCHER ||= cf::async {
		3978	Coro::AIO::aio_wait cache_extensions;
		3979
		3980	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3981	do_reload_perl;
		3982	undef $RELOAD_WATCHER;
		3983	};
2334	};	3984	};
2335
2336	if ($@) {
2337	warn $@;
2338	warn "error while reloading, exiting.";
2339	exit 1;
2340	}
2341
2342	warn "reloaded successfully";
2343	};
2344
2345	#############################################################################
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	3985	}
2387
2388	register "<global>", __PACKAGE__;
2389		3986
2390	register_command "reload" => sub {	3987	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	3988	my ($who, $arg) = @_;
2392		3989
2393	if ($who->flag (FLAG_WIZ)) {	3990	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	3991	$who->message ("reloading server.");
		3992	async {
		3993	$Coro::current->{desc} = "perl_reload";
		3994	reload_perl;
		3995	};
2397	}	3996	}
2398	};	3997	};
2399		3998
2400	unshift @INC, $LIBDIR;	3999	unshift @INC, $LIBDIR;
2401		4000
2402	$TICK_WATCHER = Event->timer (	4001	my $bug_warning = 0;
2403	reentrant => 0,	4002
2404	prio => 0,	4003	our @WAIT_FOR_TICK;
2405	at => $NEXT_TICK || $TICK,	4004	our @WAIT_FOR_TICK_BEGIN;
2406	data => WF_AUTOCANCEL,	4005
2407	cb => sub {	4006	sub wait_for_tick {
		4007	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4008
		4009	my $signal = new Coro::Signal;
		4010	push @WAIT_FOR_TICK, $signal;
		4011	$signal->wait;
		4012	}
		4013
		4014	sub wait_for_tick_begin {
		4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4016
		4017	my $signal = new Coro::Signal;
		4018	push @WAIT_FOR_TICK_BEGIN, $signal;
		4019	$signal->wait;
		4020	}
		4021
		4022	sub tick {
		4023	if ($Coro::current != $Coro::main) {
		4024	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4025	unless ++$bug_warning > 10;
		4026	return;
		4027	}
		4028
2408	cf::server_tick; # one server iteration	4029	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;
2411		4030
2412	$WAIT_FOR_TICK->broadcast;	4031	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2414		4032
2415	# if we are delayed by four ticks or more, skip them all	4033	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4034	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2417		4035	Coro::async_pool {
2418	$TICK_WATCHER->at ($NEXT_TICK);	4036	$Coro::current->{desc} = "runtime saver";
2419	$TICK_WATCHER->start;
2420	},
2421	);
2422
2423	IO::AIO::max_poll_time $TICK * 0.2;
2424
2425	Event->io (
2426	fd => IO::AIO::poll_fileno,
2427	poll => 'r',
2428	prio => 5,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,
2435	after => 0,
2436	interval => 10,
2437	cb => sub {
2438	(Coro::unblock_sub {
2439	write_runtime	4037	write_runtime_sync
2440	or warn "ERROR: unable to write runtime file: $!";	4038	or error "ERROR: unable to write runtime file: $!";
2441	})->();	4039	};
2442	},	4040	}
2443	);	4041
		4042	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4043	$sig->send;
		4044	}
		4045	while (my $sig = shift @WAIT_FOR_TICK) {
		4046	$sig->send;
		4047	}
		4048
		4049	$LOAD = ($NOW - $TICK_START) / $TICK;
		4050	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4051
		4052	if (0) {
		4053	if ($NEXT_TICK) {
		4054	my $jitter = $TICK_START - $NEXT_TICK;
		4055	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4056	debug "jitter $JITTER\n";#d#
		4057	}
		4058	}
		4059	}
		4060
		4061	{
		4062	# configure BDB
		4063
		4064	BDB::min_parallel 16;
		4065	BDB::max_poll_reqs $TICK * 0.1;
		4066	$AnyEvent::BDB::WATCHER->priority (1);
		4067
		4068	unless ($DB_ENV) {
		4069	$DB_ENV = BDB::db_env_create;
		4070	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4071	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4072	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4073	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4074	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4075
		4076	cf::sync_job {
		4077	eval {
		4078	BDB::db_env_open
		4079	$DB_ENV,
		4080	$BDBDIR,
		4081	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4082	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4083	0666;
		4084
		4085	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4086	};
		4087
		4088	cf::cleanup "db_env_open(db): $@" if $@;
		4089	};
		4090	}
		4091
		4092	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4093	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4094	};
		4095	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4096	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4097	};
		4098	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4099	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4100	};
		4101	}
		4102
		4103	{
		4104	# configure IO::AIO
		4105
		4106	IO::AIO::min_parallel 8;
		4107	IO::AIO::max_poll_time $TICK * 0.1;
		4108	undef $AnyEvent::AIO::WATCHER;
		4109	}
		4110
		4111	my $_log_backtrace;
		4112
		4113	sub _log_backtrace {
		4114	my ($msg, @addr) = @_;
		4115
		4116	$msg =~ s/\n//;
		4117
		4118	# limit the # of concurrent backtraces
		4119	if ($_log_backtrace < 2) {
		4120	++$_log_backtrace;
		4121	my $perl_bt = Carp::longmess $msg;
		4122	async {
		4123	$Coro::current->{desc} = "abt $msg";
		4124
		4125	my @bt = fork_call {
		4126	@addr = map { sprintf "%x", $_ } @addr;
		4127	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4128	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4129	or die "addr2line: $!";
		4130
		4131	my @funcs;
		4132	my @res = <$fh>;
		4133	chomp for @res;
		4134	while (@res) {
		4135	my ($func, $line) = splice @res, 0, 2, ();
		4136	push @funcs, "[$func] $line";
		4137	}
		4138
		4139	@funcs
		4140	};
		4141
		4142	LOG llevInfo, "[ABT] $perl_bt\n";
		4143	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4144	LOG llevInfo, "[ABT] $_\n" for @bt;
		4145	--$_log_backtrace;
		4146	};
		4147	} else {
		4148	LOG llevInfo, "[ABT] $msg\n";
		4149	LOG llevInfo, "[ABT] [suppressed]\n";
		4150	}
		4151	}
		4152
		4153	# load additional modules
		4154	require "cf/$_.pm" for @EXTRA_MODULES;
		4155	cf::_connect_to_perl_2;
2444		4156
2445	END { cf::emergency_save }	4157	END { cf::emergency_save }
2446		4158
2447	1	4159	1
2448		4160

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines