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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.545 by root, Thu May 6 22:35:41 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
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 = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
42		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
43	our @EVENT;	93	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
45		96
46	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
47	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
48	our $NEXT_TICK;	121	our $NEXT_TICK;
49	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
50		130
51	our %CFG;	131	our %CFG;
52		132
53	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
55		136
56	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		140
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	141	# used to convert map paths into valid unix filenames by replacing / by ∕
62	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 $REALLY_UNLOOP; # never set to true, please :)
63		153
64	binmode STDOUT;	154	binmode STDOUT;
65	binmode STDERR;	155	binmode STDERR;
66		156
67	# read virtual server time, if available	157	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
69	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
70	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
71	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
72	}	162	}
73		163
74	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
75	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		165
80	# a special map that is always available	166	mkdir $_
81	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
82	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::"} };
83		187
84	#############################################################################	188	#############################################################################
85		189
86	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
87		191
…		…
94	=item $cf::RUNTIME	198	=item $cf::RUNTIME
95		199
96	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
97	every server tick.	201	every server tick.
98		202
99	=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
100		206
101	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		211
104	=item $cf::NOW	212	=item $cf::NOW
105		213
106	The time of the last (current) server tick.	214	The time of the last (current) server tick.
107		215
108	=item $cf::TICK	216	=item $cf::TICK
109		217
110	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
111		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
112	=item %cf::CFG	230	=item %cf::CFG
113		231
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	233	from wherever your confdir points to.
116		234
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		236
119	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
120	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
121	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.
122	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.
123		252
124	=back	253	=back
125		254
126	=cut	255	=cut
127		256
128	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
129	*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 {
130	my $msg = join "", @_;	264	my $msg = join "", @_;
131	utf8::encode $msg;
132		265
133	$msg .= "\n"	266	$msg .= "\n"
134	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
135		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
136	LOG llevError, $msg;	271	LOG llevWarn, $msg;
137	};	272	};
138	}	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	};
139		287
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@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';
145	@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)
146		295
147	# 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
148	# within the Safe compartment.	297	# within the Safe compartment.
149	for my $pkg (qw(	298	for my $pkg (qw(
150	cf::global cf::attachable	299	cf::global cf::attachable
151	cf::object cf::object::player	300	cf::object cf::object::player
152	cf::client cf::player	301	cf::client cf::player
153	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
154	cf::map cf::party cf::region	304	cf::party cf::region
155	)) {	305	)) {
156	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	307	}
159		308
160	$Event::DIED = sub {	309	$EV::DIED = sub {
161	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
162	};	311	};
		312
		313	#############################################################################
163		314
164	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
165		316
166	=over 4	317	=over 4
167		318
…		…
186	$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;
187	$d	338	$d
188	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
189	}	340	}
190		341
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
194		343
195	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
196		345
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
205		347
206	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
207		349
208	=cut	350	=cut
209		351
210	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
212	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;
213	}	369	}
214		370
215	=item cf::lock_wait $string	371	=item cf::lock_wait $string
216		372
217	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
218		374
219	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
220		376
221	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
222	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,
223	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
224	returned.	380	returned.
225		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
226	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
227	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
228		387
229	=cut	388	=item $locked = cf::lock_active $string
230		389
231	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
232		395
233	sub lock_wait($) {	396	sub lock_wait($) {
234	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
235
236	# wait for lock, if any
237	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;
240	}
241	}	398	}
242		399
243	sub lock_acquire($) {	400	sub lock_acquire($) {
244	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
245		403
246	# wait, to be sure we are not locked	404	sub lock_active($) {
247	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
248
249	$LOCK{$key} = [];
250
251	Coro::guard {
252	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };
254	}
255	}	406	}
256		407
257	sub freeze_mainloop {	408	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
259		410
260	my $guard = Coro::guard { $TICK_WATCHER->start };	411	&Guard::guard (\&tick_inhibit_dec);
261	$TICK_WATCHER->stop;	412	}
262	$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	$sig->wait;
263	}	494	}
264		495
265	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
266		497
267	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		503
273	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
274		505
275	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
276		507
277	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
280		512
281	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
284	fast or be very important.	516	fast or be very important.
…		…
286	=cut	518	=cut
287		519
288	sub sync_job(&) {	520	sub sync_job(&) {
289	my ($job) = @_;	521	my ($job) = @_;
290		522
291	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
292	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
294		528
295	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
296	# (but this is cancel-safe)	530
297	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
298		532
299	my $busy = 1;	533	my $busy = 1;
300	my @res;	534	my @res;
301		535
302	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	538	@res = eval { $job->() };
304	warn $@ if $@;	539	error $@ if $@;
305	undef $busy;	540	undef $busy;
306	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
307		542
308	while ($busy) {	543	while ($busy) {
309	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
310	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
311		554
312	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
313	} else {	556	} else {
314	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
315		558
…		…
335	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
336		579
337	$coro	580	$coro
338	}	581	}
339		582
340	sub write_runtime {	583	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		584
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
344	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.
345		589
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	590	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		591
350	aio_fsync $fh	592	sub fork_call(&@) {
351	and return;	593	my ($cb, @args) = @_;
352		594
353	close $fh	595	# we seemingly have to make a local copy of the whole thing,
354	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
355		598
356	aio_rename "$runtime~", $runtime	599	my @res = Coro::Util::fork_eval {
357	and return;	600	reset_signals;
		601	&$cb
		602	}, @args;
358		603
		604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
359	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 });
360	}	783	}
361		784
362	=back	785	=back
363		786
364	=cut	787	=cut
365		788
366	#############################################################################	789	#############################################################################
367		790
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492
493	#############################################################################
494
495	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
496		792
497	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
498	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")
499	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
500		796
501	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>
502	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
503	crossfire+).	799	Deliantra).
504		800
505	=over 4	801	=over 4
506		802
507	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
508		804
…		…
552	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
553		849
554	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
555	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
556		852
557	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
558	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.
559		855
560	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
561		857
562	=over 4	858	=over 4
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	918	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	919	our @CB_MAP = ();
624		920
625	my %attachment;	921	my %attachment;
626		922
		923	sub cf::attachable::thawer_merge {
		924	# simply override everything except _meta
		925	local $_[0]{_meta};
		926	%{$_[0]} = %{$_[1]};
		927	}
		928
627	sub _attach_cb($$$$) {	929	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	930	my ($registry, $event, $prio, $cb) = @_;
629		931
630	use sort 'stable';	932	use sort 'stable';
631		933
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
666		968
667	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		973
672	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	975	my $pkg = shift @arg;
674		976
675	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
680		982
681	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
682	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
683		985
684	} elsif (ref $type) {	986	} elsif (ref $type) {
685	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
686		988
687	} else {	989	} else {
688	shift @arg;	990	shift @arg;
689	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
690	}	992	}
691	}	993	}
692	}	994	}
693		995
694	sub _object_attach {	996	sub _object_attach {
…		…
704	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
705	}	1007	}
706		1008
707	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
708	} else {	1010	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
710	}	1012	}
711		1013
712	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
713	}	1015	}
714		1016
…		…
716	if (ref $_[0]) {	1018	if (ref $_[0]) {
717	_object_attach @_;	1019	_object_attach @_;
718	} else {	1020	} else {
719	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
720	}	1022	}
		1023	_recalc_want;
721	};	1024	};
722		1025
723	# all those should be optimised	1026	# all those should be optimised
724	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
729	reattach ($obj);	1032	reattach ($obj);
730	} else {	1033	} else {
731	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
732	}	1035	}
		1036	_recalc_want;
733	};	1037	};
734		1038
735	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
737		1041
…		…
752	";	1056	";
753	die if $@;	1057	die if $@;
754	}	1058	}
755		1059
756	our $override;	1060	our $override;
757	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?
758		1062
759	sub override {	1063	sub override {
760	$override = 1;	1064	$override = 1;
761	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
762	}	1066	}
763		1067
764	sub do_invoke {	1068	sub do_invoke {
765	my $event = shift;	1069	my $event = shift;
766	my $callbacks = shift;	1070	my $callbacks = shift;
767		1071
768	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
769		1073
770	local $override;	1074	local $override;
771		1075
772	for (@$callbacks) {	1076	for (@$callbacks) {
773	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
774		1078
775	if ($@) {	1079	if ($@) {
776	warn "$@";
777	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
778	override;	1081	override;
779	}	1082	}
780		1083
781	return 1 if $override;	1084	return 1 if $override;
782	}	1085	}
783		1086
784	0	1087	0
785	}	1088	}
786		1089
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		1091
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		1093
791	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
792		1095
793	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
794	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
795	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		1099
797	=back	1100	=back
798		1101
799	=cut	1102	=cut
800		1103
801	#############################################################################	1104	#############################################################################
802	# 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	}
803		1148
804	sub reattach {	1149	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
806	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
807		1155
808	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
809		1157
810	@$registry = ();	1158	@$registry = ();
811		1159
…		…
816	for (@$attach) {	1164	for (@$attach) {
817	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
818	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
819	}	1167	}
820	} else {	1168	} else {
821	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
822	}	1170	}
823	}	1171	}
824	}	1172	}
825		1173
826	cf::attachable->attach (	1174	cf::attachable->attach (
827	prio => -1000000,	1175	prio => -1000000,
828	on_instantiate => sub {	1176	on_instantiate => sub {
829	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
830		1178
831	$data = from_json $data;	1179	$data = decode_json $data;
832		1180
833	for (@$data) {	1181	for (@$data) {
834	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
835		1183
836	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1200	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
854		1202
855	sync_job {	1203	sync_job {
856	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
859		1209
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
862	aio_write $fh, 0, (length $$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;
863	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
864	close $fh;	1217	aio_close $fh;
865		1218
866	if (@$objs) {	1219	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	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;
871	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
872	close $fh;	1228	aio_close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
874	}	1230	}
875	} else {	1231	} else {
876	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
877	}	1233	}
878		1234
879	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
880	} else {	1239	} else {
881	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
882	}	1241	}
883	} else {	1242	} else {
884	aio_unlink $filename;	1243	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
886	}	1245	}
887	}	1246	};
888	}	1247	}
889		1248
890	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
892		1251
…		…
904	or return;	1263	or return;
905		1264
906	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
908	or return;	1267	or return;
		1268
909	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
910	}	1271	}
911		1272
		1273	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
914	return ($data, $av);	1278	($data, $av)
915	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
916		1286
917	#############################################################################	1287	#############################################################################
918	# command handling &c	1288	# command handling &c
919		1289
920	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1304	}
935		1305
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1307
938	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.
939		1313
940	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
941	called.	1315	called.
942		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
943	=cut	1328	=cut
944		1329
945	sub register_extcmd {	1330	sub register_extcmd {
946	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
947		1332
948	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
949	}	1334	}
950		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		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->($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
		1385	# "readahead" all extensions
983	sub load_extension {	1386	sub cache_extensions {
984	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
985		1388
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
988	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989	$pkg =~ s/[^[:word:]]/_/g;	1392	}
990	$pkg = "ext::$pkg";	1393	};
991		1394
992	warn "loading '$path' into '$pkg'\n";	1395	$grp
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}	1396	}
1009		1397
1010	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
1011	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1405	next unless -r $path;
1013	eval {	1406
1014	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 common::sense;\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	}
1015	1	1470	}
1016	} 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	}
1017	}	1481	};
1018	}	1482	}
1019		1483
1020	#############################################################################	1484	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1485
1023	*cf::mapsupport::on_clean = sub {	1486	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1487
1036	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1037		1489
1038	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1039		1491
1040	=cut	1492	=cut
1041		1493
1042	package cf::player;	1494	package cf::player;
1043		1495
…		…
1045		1497
1046	=head3 cf::player	1498	=head3 cf::player
1047		1499
1048	=over 4	1500	=over 4
1049		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
1050	=item cf::player::find $login	1516	=item cf::player::find $login
1051		1517
1052	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1053		1519
1054	=cut	1520	=cut
1055		1521
1056	sub playerdir($) {	1522	sub playerdir($) {
1057	cf::localdir	1523	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1525	}
1063		1526
1064	sub path($) {	1527	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1529
1067	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
1068	}	1531	}
1069		1532
1070	sub find_active($) {	1533	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
1075		1538
1076	sub exists($) {	1539	sub exists($) {
1077	my ($login) = @_;	1540	my ($login) = @_;
1078		1541
1079	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1543	or !aio_stat path $login
1081	}	1544	}
1082		1545
1083	sub find($) {	1546	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1548	my $login = $_[0];
1086		1549
1087	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
1088		1551
1089	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
1090	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
1091	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;
1092	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1093	}	1569	}
1094	}	1570	}
1095	}	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	);
1096		1585
1097	sub save($) {	1586	sub save($) {
1098	my ($pl) = @_;	1587	my ($pl) = @_;
1099		1588
1100	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1105	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1106		1595
1107	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1109		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
1110	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1111	Coro::cede;	1605	cf::cede_to_tick;
1112	}	1606	}
1113		1607
1114	sub new($) {	1608	sub new($) {
1115	my ($login) = @_;	1609	my ($login) = @_;
1116		1610
…		…
1122	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1123		1617
1124	$self	1618	$self
1125	}	1619	}
1126		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
1127	=item $pl->quit_character	1631	=item $pl->quit_character
1128		1632
1129	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
1130	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1131		1635
1132	=cut	1636	=cut
1133		1637
1134	sub quit_character {	1638	sub quit_character {
1135	my ($pl) = @_;	1639	my ($pl) = @_;
1136		1640
		1641	my $name = $pl->ob->name;
		1642
1137	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1138	$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
1139		1645
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1143	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1144		1651
1145	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1149	$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
1150	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;
1151	}	1678	}
1152		1679
1153	=item cf::player::list_logins	1680	=item cf::player::list_logins
1154		1681
1155	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
1156	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1157		1684
1158	=cut	1685	=cut
1159		1686
1160	sub list_logins {	1687	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1689	or return [];
1163		1690
1164	my @logins;	1691	my @logins;
1165		1692
1166	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") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1170		1703
1171	utf8::decode $login;	1704	utf8::decode $login;
1172	push @logins, $login;	1705	push @logins, $login;
1173	}	1706	}
1174		1707
1175	\@logins	1708	\@logins
1176	}	1709	}
1177		1710
1178	=item $player->maps	1711	=item $player->maps
1179		1712
		1713	=item cf::player::maps $login
		1714
1180	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
1181	player. May block.	1716	player. May block.
1182		1717
1183	=cut	1718	=cut
1184		1719
1185	sub maps($) {	1720	sub maps($) {
1186	my ($pl) = @_;	1721	my ($pl) = @_;
		1722
		1723	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1724
1188	my $files = aio_readdir playerdir $pl	1725	my $files = aio_readdir playerdir $pl
1189	or return;	1726	or return;
1190		1727
1191	my @paths;	1728	my @paths;
…		…
1193	for (@$files) {	1730	for (@$files) {
1194	utf8::decode $_;	1731	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1732	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1733	next unless /^$PATH_SEP/o;
1197		1734
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1735	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1736	}
1200		1737
1201	\@paths	1738	\@paths
1202	}	1739	}
1203		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1205		1746
1206	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1207		1748
1208	=cut	1749	=cut
1209		1750
1210	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1212		1753
1213	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1755	}
1217		1756
1218	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		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	}
1219		1799
1220	=back	1800	=back
1221
1222		1801
1223	=head3 cf::map	1802	=head3 cf::map
1224		1803
1225	=over 4	1804	=over 4
1226		1805
…		…
1229	package cf::map;	1808	package cf::map;
1230		1809
1231	use Fcntl;	1810	use Fcntl;
1232	use Coro::AIO;	1811	use Coro::AIO;
1233		1812
		1813	use overload
		1814	'""' => \&as_string,
		1815	fallback => 1;
		1816
1234	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1236		1819
1237	sub generate_random_map {	1820	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239		1824
1240	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1826	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1834	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$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},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1836	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1837	(cf::region::find $rmp->{region}), $rmp->{custom}
		1838	)
1254	}	1839	}
1255		1840
1256	# and all this just because we cannot iterate over	1841	=item cf::map->register ($regex, $prio)
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;
1260		1842
1261	$_->change_map_light ($change)	1843	Register a handler for the map path matching the given regex at the
1262	for grep $_->outdoor, values %cf::MAP;	1844	givne priority (higher is better, built-in handlers have priority 0, the
1263	}	1845	default).
1264		1846
1265	sub try_load_header($) {	1847	=cut
		1848
		1849	sub register {
		1850	my (undef, $regex, $prio) = @_;
		1851	my $pkg = caller;
		1852
		1853	push @{"$pkg\::ISA"}, __PACKAGE__;
		1854
		1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1856	}
		1857
		1858	# also paths starting with '/'
		1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1860
		1861	sub thawer_merge {
		1862	my ($self, $merge) = @_;
		1863
		1864	# we have to keep some variables in memory intact
		1865	local $self->{path};
		1866	local $self->{load_path};
		1867
		1868	$self->SUPER::thawer_merge ($merge);
		1869	}
		1870
		1871	sub normalise {
1266	my ($path) = @_;	1872	my ($path, $base) = @_;
		1873
		1874	$path = "$path"; # make sure it's a string
		1875
		1876	$path =~ s/\.map$//;
		1877
		1878	# map plan:
		1879	#
		1880	# /! non-realised random map exit (special hack!)
		1881	# {... are special paths that are not being touched
		1882	# ?xxx/... are special absolute paths
		1883	# ?random/... random maps
		1884	# /... normal maps
		1885	# ~user/... per-player map of a specific user
		1886
		1887	$path =~ s/$PATH_SEP/\//go;
		1888
		1889	# treat it as relative path if it starts with
		1890	# something that looks reasonable
		1891	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1892	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1893
		1894	$base =~ s{[^/]+/?$}{};
		1895	$path = "$base/$path";
		1896	}
		1897
		1898	for ($path) {
		1899	redo if s{//}{/};
		1900	redo if s{/\.?/}{/};
		1901	redo if s{/[^/]+/\.\./}{/};
		1902	}
		1903
		1904	$path
		1905	}
		1906
		1907	sub new_from_path {
		1908	my (undef, $path, $base) = @_;
		1909
		1910	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1911
		1912	$path = normalise $path, $base;
		1913
		1914	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1915	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1916	my $self = bless cf::map::new, $pkg;
		1917	$self->{path} = $path; $self->path ($path);
		1918	$self->init; # pass $1 etc.
		1919	return $self;
		1920	}
		1921	}
		1922
		1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1924	()
		1925	}
		1926
		1927	sub init {
		1928	my ($self) = @_;
		1929
		1930	$self
		1931	}
		1932
		1933	sub as_string {
		1934	my ($self) = @_;
		1935
		1936	"$self->{path}"
		1937	}
		1938
		1939	# the displayed name, this is a one way mapping
		1940	sub visible_name {
		1941	&as_string
		1942	}
		1943
		1944	# the original (read-only) location
		1945	sub load_path {
		1946	my ($self) = @_;
		1947
		1948	"$MAPDIR/$self->{path}.map"
		1949	}
		1950
		1951	# the temporary/swap location
		1952	sub save_path {
		1953	my ($self) = @_;
		1954
		1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1956	"$TMPDIR/$path.map"
		1957	}
		1958
		1959	# the unique path, undef == no special unique path
		1960	sub uniq_path {
		1961	my ($self) = @_;
		1962
		1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1964	"$UNIQUEDIR/$path"
		1965	}
		1966
		1967	sub decay_objects {
		1968	my ($self) = @_;
		1969
		1970	return if $self->{deny_reset};
		1971
		1972	$self->do_decay_objects;
		1973	}
		1974
		1975	sub unlink_save {
		1976	my ($self) = @_;
		1977
		1978	utf8::encode (my $save = $self->save_path);
		1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1981	}
		1982
		1983	sub load_header_from($) {
		1984	my ($self, $path) = @_;
1267		1985
1268	utf8::encode $path;	1986	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1270	or return;	1988	or return;
1271		1989
1272	my $map = cf::map::new	1990	$self->_load_header ($f)
1273	or return;	1991	or return;
1274		1992
1275	# for better error messages only, will be overwritten	1993	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1994	$f->resolve_delayed_derefs;
1277		1995
1278	$map->load_header ($path)	1996	$self->{load_path} = $path;
		1997
		1998	1
		1999	}
		2000
		2001	sub load_header_orig {
		2002	my ($self) = @_;
		2003
		2004	$self->load_header_from ($self->load_path)
		2005	}
		2006
		2007	sub load_header_temp {
		2008	my ($self) = @_;
		2009
		2010	$self->load_header_from ($self->save_path)
		2011	}
		2012
		2013	sub prepare_temp {
		2014	my ($self) = @_;
		2015
		2016	$self->last_access ((delete $self->{last_access})
		2017	|| $cf::RUNTIME); #d#
		2018	# safety
		2019	$self->{instantiate_time} = $cf::RUNTIME
		2020	if $self->{instantiate_time} > $cf::RUNTIME;
		2021	}
		2022
		2023	sub prepare_orig {
		2024	my ($self) = @_;
		2025
		2026	$self->{load_original} = 1;
		2027	$self->{instantiate_time} = $cf::RUNTIME;
		2028	$self->last_access ($cf::RUNTIME);
		2029	$self->instantiate;
		2030	}
		2031
		2032	sub load_header {
		2033	my ($self) = @_;
		2034
		2035	if ($self->load_header_temp) {
		2036	$self->prepare_temp;
		2037	} else {
		2038	$self->load_header_orig
1279	or return;	2039	or return;
		2040	$self->prepare_orig;
		2041	}
1280		2042
1281	$map->{load_path} = $path;	2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
1282		2045
1283	$map	2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
		2048
		2049	1
1284	}	2050	}
1285		2051
1286	sub find;	2052	sub find;
1287	sub find {	2053	sub find {
1288	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1289		2055
1290	#warn "find<$path,$origin>\n";#d#	2056	cf::cede_to_tick;
1291		2057
1292	$path = new cf::path $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		2059
1295	cf::lock_wait "map_find:$key";	2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297	$cf::MAP{$key} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1299		2062
1300	# do it the slow way	2063	$cf::MAP{$path} || do {
1301	my $map = try_load_header $path->save_path;	2064	my $map = new_from_path cf::map $path
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	2065	or return;
1319		2066
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1332		2068
1333	Coro::cede;	2069	$map->load_header
		2070	or return;
1334		2071
1335	if ($map->should_reset) {	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2073	# doing this can freeze the server in a sync job, obviously
		2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1336	$map->reset;	2077	$map->reset;
1337	undef $guard;
1338	$map = find $path	2078	return find $path;
1339	or return;
1340	}	2079	}
1341		2080
1342	$cf::MAP{$key} = $map	2081	$cf::MAP{$path} = $map
1343	}	2082	}
1344	}	2083	}
		2084
		2085	sub pre_load { }
		2086	#sub post_load { } # XS
1345		2087
1346	sub load {	2088	sub load {
1347	my ($self) = @_;	2089	my ($self) = @_;
1348		2090
		2091	local $self->{deny_reset} = 1; # loading can take a long time
		2092
1349	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2096	my $guard = cf::lock_acquire "map_data:$path";
1351		2097
		2098	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2100
1354	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1355		2102
1356	$self->alloc;	2103	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2104
		2105	$self->pre_load;
		2106	cf::cede_to_tick;
		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1358	or return;	2111	or return;
1359		2112
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1361	if delete $self->{load_original};	2114	if delete $self->{load_original};
1362		2115
1363	if (my $uniq = $path->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2117	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2120	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1368	}	2124	}
1369	}	2125	}
1370		2126
1371	Coro::cede;	2127	$f->resolve_delayed_derefs;
1372		2128
		2129	cf::cede_to_tick;
1373	# now do the right thing for maps	2130	# now do the right thing for maps
1374	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2133	unless $self->difficulty;
		2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1386	$self->activate;	2141	$self->activate;
1387	}	2142	}
1388		2143
1389	Coro::cede;	2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
1390		2146
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
		2148	}
		2149
		2150	$self->post_load;
		2151	}
		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
		2156	sub customise_for {
		2157	my ($self, $ob) = @_;
		2158
		2159	return find "~" . $ob->name . "/" . $self->{path}
		2160	if $self->per_player;
		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
		2165	$self
1392	}	2166	}
1393		2167
1394	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2169	sub load_neighbours {
1396	my ($map) = @_;	2170	my ($map) = @_;
1397		2171
1398	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1399		2173
1400	for (0 .. 3) {	2174	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1402	or next;	2176	or next;
1403	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1404	or next;	2178	or next;
1405	$neigh->load;	2179	$neigh->load;
1406		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2185	}
1410		2186
1411	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1413	or next;	2190	or next;
1414	$neigh->load;	2191	$neigh->load;
1415	}	2192	}
1416	}	2193	}
1417		2194
1418	sub find_sync {	2195	sub find_sync {
1419	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1420		2197
1421	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1422	}	2202	}
1423		2203
1424	sub do_load_sync {	2204	sub do_load_sync {
1425	my ($map) = @_;	2205	my ($map) = @_;
1426		2206
1427	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1428	}	2211	}
1429		2212
1430	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
		2214	our $MAP_PREFETCHER = undef;
		2215
		2216	sub find_async {
		2217	my ($path, $origin, $load) = @_;
		2218
		2219	$path = normalise $path, $origin && $origin->{path};
		2220
		2221	if (my $map = $cf::MAP{$path}) {
		2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2223	}
		2224
		2225	$MAP_PREFETCH{$path} |= $load;
		2226
1431	our $MAP_PREFETCHER = Coro::async {	2227	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2228	$Coro::current->{desc} = "map prefetcher";
		2229
1433	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2232	if (my $map = find $k) {
		2233	$map->load if $v;
		2234	}
		2235
1436	my $path = delete $MAP_PREFETCH{$key};	2236	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2237	}
1442	Coro::schedule;	2238	}
		2239	undef $MAP_PREFETCHER;
1443	}	2240	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2241	$MAP_PREFETCHER->prio (6);
1458		2242
1459	()	2243	()
		2244	}
		2245
		2246	# common code, used by both ->save and ->swapout
		2247	sub _save {
		2248	my ($self) = @_;
		2249
		2250	$self->{last_save} = $cf::RUNTIME;
		2251
		2252	return unless $self->dirty;
		2253
		2254	my $save = $self->save_path; utf8::encode $save;
		2255	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2256
		2257	$self->{load_path} = $save;
		2258
		2259	return if $self->{deny_save};
		2260
		2261	local $self->{last_access} = $self->last_access;#d#
		2262
		2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
		2265	$_->contr->save for $self->players;
		2266	};
		2267
		2268	cf::get_slot 0.02;
		2269
		2270	if ($uniq) {
		2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2273	} else {
		2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2275	}
1460	}	2276	}
1461		2277
1462	sub save {	2278	sub save {
1463	my ($self) = @_;	2279	my ($self) = @_;
1464		2280
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2282
1467	$self->{last_save} = $cf::RUNTIME;	2283	$self->_save;
1468
1469	return unless $self->dirty;
1470
1471	my $save = $self->{path}->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1473
1474	$self->{load_path} = $save;
1475
1476	return if $self->{deny_save};
1477
1478	local $self->{last_access} = $self->last_access;#d#
1479
1480	cf::async {
1481	$_->contr->save for $self->players;
1482	};
1483
1484	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}
1490	}	2284	}
1491		2285
1492	sub swap_out {	2286	sub swap_out {
1493	my ($self) = @_;	2287	my ($self) = @_;
1494		2288
1495	# save first because save cedes
1496	$self->save;
1497
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1500	return if $self->players;	2293	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};
1503		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1504	$self->clear;	2304	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2305	}
1507		2306
1508	sub reset_at {	2307	sub reset_at {
1509	my ($self) = @_;	2308	my ($self) = @_;
1510		2309
1511	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1514		2312
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2315
…		…
1522	my ($self) = @_;	2320	my ($self) = @_;
1523		2321
1524	$self->reset_at <= $cf::RUNTIME	2322	$self->reset_at <= $cf::RUNTIME
1525	}	2323	}
1526		2324
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2325	sub reset {
1549	my ($self) = @_;	2326	my ($self) = @_;
1550		2327
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2329
1553	return if $self->players;	2330	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2331
1556	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
		2333
		2334	$self->in_memory (cf::MAP_SWAPPED);
		2335
		2336	# need to save uniques path
		2337	unless ($self->{deny_save}) {
		2338	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2339
		2340	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2341	if $uniq;
		2342	}
1557		2343
1558	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1559		2345
		2346	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2347	$_->clear_links_to ($self) for values %cf::MAP;
		2348	$self->clear;
1561		2349
1562	$self->unlink_save;	2350	$self->unlink_save;
1563	$self->destroy;	2351	$self->destroy;
1564	}	2352	}
1565		2353
1566	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1567		2355
1568	sub nuke {	2356	sub nuke {
1569	my ($self) = @_;	2357	my ($self) = @_;
1570		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	delete $cf::MAP{$self->path};
		2363
		2364	$self->unlink_save;
		2365
		2366	bless $self, "cf::map::wrap";
		2367	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2371
		2372	$cf::MAP{$self->path} = $self;
		2373	}
		2374
1574	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
1575	}	2376	}
1576		2377
1577	sub customise_for {	2378	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2379
1580	if ($map->per_player) {	2380	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
1582	}	2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
1583		2395
1584	$map	2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1585	}	2412	}
1586		2413
1587	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1588		2415
1589	Returns an arrayref of cf::path's of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2417	instantiated unique items. May block.
1591		2418
1592	=cut	2419	=cut
1593		2420
1594	sub unique_maps() {	2421	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1596	or return;	2423	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2424	utf8::decode $_;
1602	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1603	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604		2427	? ()
1605	push @paths, new cf::path $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2430	]
1607
1608	\@paths
1609	}	2431	}
1610		2432
1611	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1612		2464
1613	=back	2465	=back
1614		2466
1615	=head3 cf::object	2467	=head3 cf::object
1616		2468
…		…
1620		2472
1621	=over 4	2473	=over 4
1622		2474
1623	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1624		2476
1625	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1626		2479
1627	=cut	2480	=cut
1628		2481
1629	sub inv_recursive_;	2482	sub inv_recursive_;
1630	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1633		2486
1634	sub inv_recursive {	2487	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1636	}	2489	}
1637		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1638	package cf;	2519	package cf;
1639		2520
1640	=back	2521	=back
1641		2522
1642	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1648	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1650	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1651		2532
1652	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1653		2548
1654	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1655	# with dialog boxes.	2550	# with dialog boxes.
1656	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1657	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1659		2554
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2556
1662	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1664	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1667	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1668	}	2582	}
1669		2583
1670	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1671		2585
1672	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1685		2599
1686	=item $player_object->enter_link	2600	=item $player_object->enter_link
1687		2601
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2603
1690	The player should be reaosnably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1691	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
		2608
		2609	Will never block.
1692		2610
1693	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1694		2612
1695	Moves the player out of the specila link map onto the given map. If the	2613	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2614	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2615	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2616	fails, to the emergency map position.
1699		2617
1700	Might block.	2618	Might block.
1701		2619
1702	=cut	2620	=cut
		2621
		2622	sub link_map {
		2623	unless ($LINK_MAP) {
		2624	$LINK_MAP = cf::map::find "{link}"
		2625	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2626	$LINK_MAP->load;
		2627	}
		2628
		2629	$LINK_MAP
		2630	}
1703		2631
1704	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2633	my ($self) = @_;
1706		2634
1707	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1708		2636
1709	return if $self->map == $LINK_MAP;	2637	++$self->{_link_recursion};
		2638
		2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2640
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1713		2643
1714	$self->enter_map ($LINK_MAP, 20, 20);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1715	}	2645	}
1716		2646
1717	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1719		2651
1720	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1721		2653
1722	unless ($map) {	2654	unless ($map) {
1723	# restore original map position	2655	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1736		2668
1737	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1740		2672
1741	$map->load;	2673	$map->load;
1742	$map->load_diag;	2674	$map->load_neighbours;
1743		2675
1744	return unless $self->contr->active;	2676	return unless $self->contr->active;
		2677
		2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2679	if ($self->enter_map ($map, $x, $y)) {
		2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2683	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}
1748
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},	2684	}
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2685
1763	# try to abort aborted map switching on player login :)	2686	}
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2687
1781	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1782		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1783	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1784		2702
1785	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2705
1788	$path = new cf::path $path;	2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2714
1790	$self->enter_link;	2715	$self->enter_link;
1791		2716
1792	(async {	2717	(async {
1793	my $map = cf::map::find $path->as_string;	2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
		2739	my $map = eval {
		2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
1795		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2745	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
1800		2748
		2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
		2755	}
		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1802	})->prio (1);	2763	})->prio (1);
1803	}	2764	}
1804		2765
1805	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1806		2767
…		…
1808		2769
1809	sub parse_random_map_params {	2770	sub parse_random_map_params {
1810	my ($spec) = @_;	2771	my ($spec) = @_;
1811		2772
1812	my $rmp = { # defaults	2773	my $rmp = { # defaults
1813	xsize => 10,	2774	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2775	ysize => (cf::rndm 15, 40),
		2776	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2777	#layout => string,
1815	};	2778	};
1816		2779
1817	for (split /\n/, $spec) {	2780	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2781	my ($k, $v) = split /\s+/, $_, 2;
1819		2782
…		…
1831	# that depends on the exit object	2794	# that depends on the exit object
1832		2795
1833	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
1834		2797
1835	if ($exit->map) {	2798	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2799	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1840	}	2805	}
1841		2806
1842	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1843		2808
1844	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
		2811	my $meta = "$RANDOMDIR/$md5.meta";
1846		2812
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
		2815	undef $fh;
		2816	aio_rename "$meta~", $meta;
1849		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1850	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1852	}	2824	}
1853	}	2825	}
1854		2826
1855	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
…		…
1858	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1859		2831
1860	$self->enter_link;	2832	$self->enter_link;
1861		2833
1862	(async {	2834	(async {
1863	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1864	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
1865	prepare_random_map $exit	2844	prepare_random_map $exit
1866	if $exit->slaying eq "/!";	2845	if $exit->slaying eq "/!";
		2846	}
1867		2847
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
1870		2851
		2852	$self->goto ($map, $x, $y);
		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
1871	1;	2858	1
1872	}) {	2859	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1874	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2864
1878	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1879	$self->leave_link;	2866	$self->leave_link;
1880	}	2867	}
1881	})->prio (1);	2868	})->prio (1);
1882	}	2869	}
1883		2870
…		…
1894		2881
1895	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
1897		2884
1898	utf8::encode $text;	2885	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2887	}
1901		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
		3076	=item $client->ext_msg ($type, @msg)
		3077
		3078	Sends an ext event to the client.
		3079
		3080	=cut
		3081
		3082	sub cf::client::ext_msg($$@) {
		3083	my ($self, $type, @msg) = @_;
		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
		3088	push @msg, msgtype => "event_$type";
		3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
		3109	}
1902		3110
1903	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
1904		3112
1905	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		3116
1909	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	3118	become reliable at some point in the future.
1911		3119
1912	=cut	3120	=cut
1913		3121
1914	sub cf::client::query {	3122	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	3131	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		3133
1926	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
1928	}	3138	}
1929		3139
1930	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
1931	on_reply => sub {	3146	on_reply => sub {
1932	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
1933		3148
1934	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
1935	# get handled first	3150	# get handled first
1936	my $queue = delete $ns->{query_queue}	3151	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	3152	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		3153
1939	(shift @$queue)->[1]->($msg);	3154	(shift @$queue)->[1]->($msg);
		3155	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		3156
1941	push @{ $ns->{query_queue} }, @$queue;	3157	push @{ $ns->{query_queue} }, @$queue;
1942		3158
1943	if (@{ $ns->{query_queue} } == @$queue) {	3159	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	3160	if (@$queue) {
…		…
1946	} else {	3162	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	3164	}
1949	}	3165	}
1950	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
1951	);	3193	);
1952		3194
1953	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
1954		3196
1955	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
1971		3213
1972	$coro	3214	$coro
1973	}	3215	}
1974		3216
1975	cf::client->attach (	3217	cf::client->attach (
1976	on_destroy => sub {	3218	on_client_destroy => sub {
1977	my ($ns) = @_;	3219	my ($ns) = @_;
1978		3220
1979	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1980	},	3222	},
1981	);	3223	);
…		…
1996	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
1998		3240
1999	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2000		3242
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2002		3248
2003	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2004		3250
2005	=pod	3251	=pod
2006		3252
2007	The following fucntions and emthods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2008		3254
2009	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2010	cf::object::player player	3260	cf::object::player
2011	cf::player peaceful	3261	player
2012	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2013		3268
2014	=cut	3269	=cut
2015		3270
2016	for (	3271	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2018	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2020	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2021	) {	3278	) {
2022	no strict 'refs';
2023	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2024	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2025	for @funs;	3281	for @funs;
2026	}	3282	}
2027		3283
…		…
2042		3298
2043	my $qcode = $code;	3299	my $qcode = $code;
2044	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2045	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2046		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2047	local $_;	3306	local $_;
2048	local @safe::cf::_safe_eval_args = values %vars;
2049		3307
2050	my $eval =	3308	my $eval =
2051	"do {\n"	3309	"do {\n"
2052	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2053	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2054	. $code	3312	. $code
2055	. "\n}"	3313	. "\n}"
2056	;	3314	;
2057		3315
		3316	if ($CFG{safe_eval}) {
2058	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2059	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2060	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2061		3325
2062	if ($@) {	3326	if ($@) {
2063	warn "$@";	3327	warn "$@",
2064	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2065	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2066	}	3330	}
2067		3331
2068	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2069	}	3333	}
2070		3334
…		…
2084	=cut	3348	=cut
2085		3349
2086	sub register_script_function {	3350	sub register_script_function {
2087	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2088		3352
2089	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2090	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2091	}	3355	}
2092		3356
2093	=back	3357	=back
2094		3358
2095	=cut	3359	=cut
2096		3360
2097	#############################################################################	3361	#############################################################################
		3362	# the server's init and main functions
2098		3363
2099	=head2 EXTENSION DATABASE SUPPORT	3364	sub load_facedata($) {
		3365	my ($path) = @_;
2100		3366
2101	Crossfire maintains a very simple database for extension use. It can	3367	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3368	# for this (global event?)
2103	excludes objects.	3369	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3370
2105	The parameter C<$family> should best start with the name of the extension	3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3372
2108	=over 4	3373	trace "loading facedata from $path\n";
2109		3374
2110	=item $hashref = cf::db_get $family	3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
2111		3378
2112	Return a hashref for use by the extension C<$family>, which can be	3379	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3380
2116	=item $value = cf::db_get $family => $key	3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3383
2118	Returns a single value from the database	3384	# patch in the exptable
2119		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2120	=item cf::db_put $family => $hashref	3386	$facedata->{resource}{"res/exp_table"} = {
2121		3387	type => FT_RSRC,
2122	Stores the given family hashref into the database. Updates are delayed, if	3388	data => $exp_table,
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3389	hash => (Digest::MD5::md5 $exp_table),
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3390	};
		3391	cf::cede_to_tick;
2171		3392
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3393	{
		3394	my $faces = $facedata->{faceinfo};
2176		3395
2177	sub db_get($;$) {	3396	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3398
2183	sub db_put($$;$) {	3399	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2186	} else {	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3403
2192	cf::global->attach (	3404	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3405	}
2197	);
2198	}
2199		3406
2200	#############################################################################	3407	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3408	next unless $info->{smooth};
2202		3409
2203	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_exp_table;
		3531	reload_materials;
		3532	reload_facedata;
		3533	reload_sound;
		3534	reload_archetypes;
		3535	reload_regions;
		3536	reload_treasures;
		3537
		3538	trace "finished reloading resource files\n";
		3539	}
		3540
		3541	sub reload_config {
		3542	trace "reloading config file...\n";
		3543
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3544	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3545	or return;
2206		3546
2207	local $/;	3547	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3548	*CFG = YAML::XS::Load scalar <$fh>;
2209		3549
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3550	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2211		3551
2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3552	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3553	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2214		3554
2215	if (exists $CFG{mlockall}) {	3555	if (exists $CFG{mlockall}) {
…		…
2217	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3557	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2218	and die "WARNING: m(un)lockall failed: $!\n";	3558	and die "WARNING: m(un)lockall failed: $!\n";
2219	};	3559	};
2220	warn $@ if $@;	3560	warn $@ if $@;
2221	}	3561	}
		3562
		3563	trace "finished reloading resource files\n";
		3564	}
		3565
		3566	sub pidfile() {
		3567	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3568	or die "$PIDFILE: $!";
		3569	flock $fh, &Fcntl::LOCK_EX
		3570	or die "$PIDFILE: flock: $!";
		3571	$fh
		3572	}
		3573
		3574	# make sure only one server instance is running at any one time
		3575	sub atomic {
		3576	my $fh = pidfile;
		3577
		3578	my $pid = <$fh>;
		3579	kill 9, $pid if $pid > 0;
		3580
		3581	seek $fh, 0, 0;
		3582	print $fh $$;
		3583	}
		3584
		3585	sub main_loop {
		3586	trace "EV::loop starting\n";
		3587	if (1) {
		3588	EV::loop;
		3589	}
		3590	trace "EV::loop returned\n";
		3591	goto &main_loop unless $REALLY_UNLOOP;
2222	}	3592	}
2223		3593
2224	sub main {	3594	sub main {
		3595	cf::init_globals; # initialise logging
		3596
		3597	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3598	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3599	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3600	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3601
		3602	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3603
2225	# we must not ever block the main coroutine	3604	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3605	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3607	(async {
		3608	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3609	EV::loop EV::LOOP_ONESHOT;
		3610	})->prio (Coro::PRIO_MAX);
2229	};	3611	};
2230		3612
2231	cfg_load;	3613	evthread_start IO::AIO::poll_fileno;
2232	db_load;	3614
		3615	cf::sync_job {
		3616	cf::incloader::init ();
		3617
		3618	cf::init_anim;
		3619	cf::init_attackmess;
		3620	cf::init_dynamic;
		3621
		3622	cf::load_settings;
		3623
		3624	reload_resources;
		3625	reload_config;
		3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2233	load_extensions;	3636	load_extensions;
2234	Event::loop;	3637
		3638	utime time, time, $RUNTIMEFILE;
		3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2235	}	3656	}
2236		3657
2237	#############################################################################	3658	#############################################################################
2238	# initialisation and cleanup	3659	# initialisation and cleanup
2239		3660
2240	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2241	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2248	},
2249	);	3667	};
		3668	}
		3669	}
		3670
		3671	sub write_runtime_sync {
		3672	my $t0 = AE::time;
		3673
		3674	# first touch the runtime file to show we are still running:
		3675	# the fsync below can take a very very long time.
		3676
		3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3678
		3679	my $guard = cf::lock_acquire "write_runtime";
		3680
		3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3682	or return;
		3683
		3684	my $value = $cf::RUNTIME + 90 + 10;
		3685	# 10 is the runtime save interval, for a monotonic clock
		3686	# 60 allows for the watchdog to kill the server.
		3687
		3688	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3689	and return;
		3690
		3691	# always fsync - this file is important
		3692	aio_fsync $fh
		3693	and return;
		3694
		3695	# touch it again to show we are up-to-date
		3696	aio_utime $fh, undef, undef;
		3697
		3698	close $fh
		3699	or return;
		3700
		3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3702	and return;
		3703
		3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3705
2250	}	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2251	}	3757	}
2252		3758
2253	sub emergency_save() {	3759	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2255		3761
2256	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2257		3768
2258	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2259	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2263	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3780	$pl->save;
2267	}	3781	}
2268	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2269		3783
2270	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2271	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2272	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3789	$map->valid or next;
2274	$map->save;	3790	$map->save;
2275	}	3791	}
2276	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2277	};	3822	};
2278		3823
2279	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2280	}	3825	}
2281		3826
		3827	sub post_cleanup {
		3828	my ($make_core) = @_;
		3829
		3830	IO::AIO::flush;
		3831
		3832	error Carp::longmess "post_cleanup backtrace"
		3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
		3862	}
		3863
2282	sub reload() {	3864	sub do_reload_perl() {
2283	# can/must only be called in main	3865	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2285	warn "can only reload from main coroutine\n";	3867	error "can only reload from main coroutine";
2286	return;	3868	return;
2287	}	3869	}
2288		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2289	warn "reloading...";	3877	info "reloading...";
2290		3878
2291	warn "freezing server";	3879	trace "entering sync_job";
2292	my $guard = freeze_mainloop;	3880
		3881	cf::sync_job {
2293	cf::emergency_save;	3882	#cf::emergency_save;
2294		3883
2295	warn "sync database to disk";
2296	cf::db_sync;
2297	IO::AIO::flush;
2298
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved
2301
2302	warn "cancel all watchers";
2303	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}
2306
2307	warn "cancel all extension coros";	3884	trace "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3886	%EXT_CORO = ();
2310		3887
2311	warn "remove commands";	3888	trace "removing commands";
2312	%COMMAND = ();	3889	%COMMAND = ();
2313		3890
2314	warn "remove ext commands";	3891	trace "removing ext/exti commands";
2315	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2316		3894
2317	warn "unload/nuke all extensions";	3895	trace "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3897	trace "... unloading $pkg";
2320		3898
2321	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3900	eval {
2323	$cb->($pkg);	3901	$cb->($pkg);
2324	1	3902	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2326	}	3908	}
2327		3909
2328	Symbol::delete_package $pkg;
2329	}
2330
2331	warn "unload all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3913
2335	warn "removing <$k>";	3914	trace "... unloading $k";
2336	delete $INC{$k};	3915	delete $INC{$k};
2337		3916
2338	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2340		3919
2341	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2342	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2343	}	3925	}
2344		3926
2345	Symbol::delete_package $k;
2346	}
2347
2348	warn "get rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3930
2352	warn "unload cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
		3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2354		3934
2355	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3936	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2358		3938
		3939	info "unload completed, starting to reload now";
		3940
2359	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2360	require cf;	3942	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2362		3944
2363	warn "load config and database again";	3945	trace "loading config and database again";
2364	cf::cfg_load;	3946	cf::reload_config;
2365	cf::db_load;
2366		3947
2367	warn "load extensions";	3948	trace "loading extensions";
2368	cf::load_extensions;	3949	cf::load_extensions;
2369		3950
		3951	if ($REATTACH_ON_RELOAD) {
2370	warn "reattach attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2371	_global_reattach;	3953	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3954	trace "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
		3956	trace "reattaching attachments to players";
		3957	reattach $_ for values %PLAYER;
		3958	}
		3959
		3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
		3962
		3963	trace "leaving sync_job";
		3964
		3965	1
		3966	} or do {
		3967	error $@;
		3968	cf::cleanup "error while reloading, exiting.";
		3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
		3973	}
		3974
		3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
		3977	};
		3978
		3979	our $RELOAD_WATCHER; # used only during reload
		3980
		3981	sub reload_perl() {
		3982	# doing reload synchronously and two reloads happen back-to-back,
		3983	# coro crashes during coro_state_free->destroy here.
		3984
		3985	$RELOAD_WATCHER ||= cf::async {
		3986	Coro::AIO::aio_wait cache_extensions;
		3987
		3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3989	do_reload_perl;
		3990	undef $RELOAD_WATCHER;
		3991	};
2374	};	3992	};
2375
2376	if ($@) {
2377	warn $@;
2378	warn "error while reloading, exiting.";
2379	exit 1;
2380	}
2381
2382	warn "reloaded";
2383	};
2384
2385	#############################################################################
2386
2387	unless ($LINK_MAP) {
2388	$LINK_MAP = cf::map::new;
2389
2390	$LINK_MAP->width (41);
2391	$LINK_MAP->height (41);
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3993	}
2427		3994
2428	register_command "reload" => sub {	3995	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2430		3997
2431	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3999	$who->message ("reloading server.");
		4000	async {
		4001	$Coro::current->{desc} = "perl_reload";
		4002	reload_perl;
		4003	};
2435	}	4004	}
2436	};	4005	};
2437		4006
2438	unshift @INC, $LIBDIR;	4007	#############################################################################
2439		4008
2440	$TICK_WATCHER = Event->timer (	4009	my $bug_warning = 0;
2441	reentrant => 0,	4010
2442	prio => 0,	4011	our @WAIT_FOR_TICK;
2443	at => $NEXT_TICK || $TICK,	4012	our @WAIT_FOR_TICK_BEGIN;
2444	data => WF_AUTOCANCEL,	4013
2445	cb => sub {	4014	sub wait_for_tick {
		4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4016
		4017	my $signal = new Coro::Signal;
		4018	push @WAIT_FOR_TICK, $signal;
		4019	$signal->wait;
		4020	}
		4021
		4022	sub wait_for_tick_begin {
		4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4024
		4025	my $signal = new Coro::Signal;
		4026	push @WAIT_FOR_TICK_BEGIN, $signal;
		4027	$signal->wait;
		4028	}
		4029
		4030	sub tick {
		4031	if ($Coro::current != $Coro::main) {
		4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4033	unless ++$bug_warning > 10;
		4034	return;
		4035	}
		4036
2446	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2447	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;
2449		4038
2450	$WAIT_FOR_TICK->broadcast;	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2452		4040
2453	# if we are delayed by four ticks or more, skip them all	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2455		4043	Coro::async_pool {
2456	$TICK_WATCHER->at ($NEXT_TICK);	4044	$Coro::current->{desc} = "runtime saver";
2457	$TICK_WATCHER->start;
2458	},
2459	);
2460
2461	IO::AIO::max_poll_time $TICK * 0.2;
2462
2463	Event->io (
2464	fd => IO::AIO::poll_fileno,
2465	poll => 'r',
2466	prio => 5,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,
2473	after => 0,
2474	interval => 10,
2475	cb => sub {
2476	(Coro::unblock_sub {
2477	write_runtime	4045	write_runtime_sync
2478	or warn "ERROR: unable to write runtime file: $!";	4046	or error "ERROR: unable to write runtime file: $!";
2479	})->();	4047	};
2480	},	4048	}
2481	);	4049
		4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4051	$sig->send;
		4052	}
		4053	while (my $sig = shift @WAIT_FOR_TICK) {
		4054	$sig->send;
		4055	}
		4056
		4057	$LOAD = ($NOW - $TICK_START) / $TICK;
		4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4059
		4060	if (0) {
		4061	if ($NEXT_TICK) {
		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
		4065	}
		4066	}
		4067	}
		4068
		4069	{
		4070	# configure BDB
		4071
		4072	BDB::min_parallel 16;
		4073	BDB::max_poll_reqs $TICK * 0.1;
		4074	$AnyEvent::BDB::WATCHER->priority (1);
		4075
		4076	unless ($DB_ENV) {
		4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4083
		4084	cf::sync_job {
		4085	eval {
		4086	BDB::db_env_open
		4087	$DB_ENV,
		4088	$BDBDIR,
		4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4091	0666;
		4092
		4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4094	};
		4095
		4096	cf::cleanup "db_env_open(db): $@" if $@;
		4097	};
		4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
		4109	}
		4110
		4111	{
		4112	# configure IO::AIO
		4113
		4114	IO::AIO::min_parallel 8;
		4115	IO::AIO::max_poll_time $TICK * 0.1;
		4116	undef $AnyEvent::AIO::WATCHER;
		4117	}
		4118
		4119	my $_log_backtrace;
		4120
		4121	sub _log_backtrace {
		4122	my ($msg, @addr) = @_;
		4123
		4124	$msg =~ s/\n//;
		4125
		4126	# limit the # of concurrent backtraces
		4127	if ($_log_backtrace < 2) {
		4128	++$_log_backtrace;
		4129	my $perl_bt = Carp::longmess $msg;
		4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
		4133	my @bt = fork_call {
		4134	@addr = map { sprintf "%x", $_ } @addr;
		4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4137	or die "addr2line: $!";
		4138
		4139	my @funcs;
		4140	my @res = <$fh>;
		4141	chomp for @res;
		4142	while (@res) {
		4143	my ($func, $line) = splice @res, 0, 2, ();
		4144	push @funcs, "[$func] $line";
		4145	}
		4146
		4147	@funcs
		4148	};
		4149
		4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4152	LOG llevInfo, "[ABT] $_\n" for @bt;
		4153	--$_log_backtrace;
		4154	};
		4155	} else {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [suppressed]\n";
		4158	}
		4159	}
		4160
		4161	# load additional modules
		4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
2482		4164
2483	END { cf::emergency_save }	4165	END { cf::emergency_save }
2484		4166
2485	1	4167	1
2486		4168

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