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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
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 ();
		55	use Data::Dumper;
20	use Digest::MD5;	56	use Digest::MD5;
21	use Fcntl;	57	use Fcntl;
		58	use YAML ();
22	use IO::AIO 2.32 ();	59	use IO::AIO ();
23	use YAML::Syck ();
24	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
25		63
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
27		65
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	66	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		70
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		76
		77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		79
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		81
35	our %COMMAND = ();	82	our %COMMAND = ();
36	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
		84
		85	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
		88	our %EXT_CORO = (); # coroutines bound to extensions
		89	our %EXT_MAP = (); # pluggable maps
38		90
		91	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	92	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		93
42	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	95	our $DATADIR = datadir;
		96	our $LIBDIR = "$DATADIR/ext";
		97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	112	our $NEXT_TICK;
45	our $NOW;	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
		117	our $BDB_TRICKLE_WATCHER;
		118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
46		121
47	our %CFG;	122	our %CFG;
48		123
49	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
51		127
52	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	130	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	131
56	our %EXT_CORO; # coroutines bound to extensions	132	# used to convert map paths into valid unix filenames by replacing / by ∕
		133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
57		144
58	binmode STDOUT;	145	binmode STDOUT;
59	binmode STDERR;	146	binmode STDERR;
60		147
61	# read virtual server time, if available	148	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
66	}	153	}
67		154
68	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		156
74	# a special map that is always available	157	mkdir $_
75	our $LINK_MAP;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		159
76	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
		161
		162	sub cf::map::normalise;
77		163
78	#############################################################################	164	#############################################################################
79		165
80	=head2 GLOBAL VARIABLES	166	=head2 GLOBAL VARIABLES
81		167
…		…
88	=item $cf::RUNTIME	174	=item $cf::RUNTIME
89		175
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	177	every server tick.
92		178
93	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		182
95	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
97		187
98	=item $cf::NOW	188	=item $cf::NOW
99		189
100	The time of the last (current) server tick.	190	The time of the last (current) server tick.
101		191
102	=item $cf::TICK	192	=item $cf::TICK
103		193
104	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
105		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
106	=item %cf::CFG	206	=item %cf::CFG
107		207
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	209	from wherever your confdir points to.
		210
		211	=item cf::wait_for_tick, cf::wait_for_tick_begin
		212
		213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		214	returns directly I<after> the tick processing (and consequently, can only wake one process
		215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
110		222
111	=back	223	=back
112		224
113	=cut	225	=cut
114		226
115	BEGIN {	227	BEGIN {
116	*CORE::GLOBAL::warn = sub {	228	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	229	my $msg = join "", @_;
118	utf8::encode $msg;
119		230
120	$msg .= "\n"	231	$msg .= "\n"
121	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
122		233
		234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		235
123	LOG llevError, "cfperl: $msg";	236	LOG llevError, $msg;
124	};	237	};
125	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
126		254
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		262
134	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	264	# within the Safe compartment.
136	for my $pkg (qw(	265	for my $pkg (qw(
137	cf::global cf::attachable	266	cf::global cf::attachable
138	cf::object cf::object::player	267	cf::object cf::object::player
139	cf::client cf::player	268	cf::client cf::player
140	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
141	cf::map cf::party cf::region	271	cf::party cf::region
142	)) {	272	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	274	}
146		275
147	$Event::DIED = sub {	276	$EV::DIED = sub {
148	warn "error in event callback: @_";	277	warn "error in event callback: @_";
149	};	278	};
150		279
151	my %ext_pkg;	280	#############################################################################
152	my @exts;
153	my @hook;
154		281
155	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
156		283
157	=over 4	284	=over 4
158		285
159	=cut	286	=item dumpval $ref
160		287
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	288	=cut
162		289
		290	sub dumpval {
		291	eval {
		292	local $SIG{__DIE__};
		293	my $d;
		294	if (1) {
		295	$d = new Data::Dumper([$_[0]], ["*var"]);
		296	$d->Terse(1);
		297	$d->Indent(2);
		298	$d->Quotekeys(0);
		299	$d->Useqq(1);
		300	#$d->Bless(...);
		301	$d->Seen($_[1]) if @_ > 1;
		302	$d = $d->Dump();
		303	}
		304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		305	$d
		306	} || "[unable to dump $_[0]: '$@']";
		307	}
		308
163	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
164		310
165	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
166		312
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
175		314
176	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
177		316
178	=cut	317	=cut
179		318
180	sub to_json($) {	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	320
182	JSON::Syck::Dump $_[0]	321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
183	}	336	}
184		337
185	=item cf::lock_wait $string	338	=item cf::lock_wait $string
186		339
187	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
188		341
189	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
190		343
191	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
194	returned.	347	returned.
195		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
196	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
198		354
199	=cut	355	=item $locked = cf::lock_active $string
200		356
201	our %LOCK;	357	Return true if the lock is currently active, i.e. somebody has locked it.
		358
		359	=cut
		360
		361	our $LOCKS = new Coro::SemaphoreSet;
202		362
203	sub lock_wait($) {	363	sub lock_wait($) {
204	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	365	}
212		366
213	sub lock_acquire($) {	367	sub lock_acquire($) {
214	my ($key) = @_;	368	$LOCKS->guard ($_[0])
		369	}
215		370
216	# wait, to be sure we are not locked	371	sub lock_active($) {
217	lock_wait $key;	372	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	373	}
226		374
227	sub freeze_mainloop {	375	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
229		377
230	my $guard = Coro::guard { $TICK_WATCHER->start };	378	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	379	}
232	$guard	380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
		439	}
		440	};
		441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
233	}	454	}
234		455
235	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
236		457
237	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		463
243	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
244		465
245	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
246		467
247	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
250		472
251	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
254	fast or be very important.	476	fast or be very important.
…		…
257		479
258	sub sync_job(&) {	480	sub sync_job(&) {
259	my ($job) = @_;	481	my ($job) = @_;
260		482
261	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
		484	my $time = EV::time;
		485
262	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
264		488
265	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	490
267	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
268		492
269	my $busy = 1;	493	my $busy = 1;
270	my @res;	494	my @res;
271		495
272	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	498	@res = eval { $job->() };
274	warn $@ if $@;	499	warn $@ if $@;
275	undef $busy;	500	undef $busy;
276	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
277		502
278	while ($busy) {	503	while ($busy) {
279	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
280	}	508	}
		509	}
		510
		511	my $time = EV::time - $time;
		512
		513	$TICK_START += $time; # do not account sync jobs to server load
281		514
282	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
283	} else {	516	} else {
284	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
285		518
…		…
287	}	520	}
288	}	521	}
289		522
290	=item $coro = cf::async_ext { BLOCK }	523	=item $coro = cf::async_ext { BLOCK }
291		524
292	Like async, but this coro is automcatially being canceled when the	525	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	526	extension calling this is being unloaded.
294		527
295	=cut	528	=cut
296		529
297	sub async_ext(&) {	530	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
306		539
307	$coro	540	$coro
308	}	541	}
309		542
310	sub write_runtime {	543	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		544
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	Executes the given code block with the given arguments in a seperate
314	or return;	546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
315		549
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	550	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		551
320	aio_fsync $fh	552	sub fork_call(&@) {
321	and return;	553	my ($cb, @args) = @_;
322		554
323	close $fh	555	# we seemingly have to make a local copy of the whole thing,
324	or return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
325		558
326	aio_rename "$runtime~", $runtime	559	my @res = Coro::Util::fork_eval {
327	and return;	560	reset_signals;
		561	&$cb
		562	}, @args;
328		563
		564	wantarray ? @res : $res[-1]
		565	}
		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
329	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
		719	}
		720
		721	=item cf::datalog type => key => value, ...
		722
		723	Log a datalog packet of the given type with the given key-value pairs.
		724
		725	=cut
		726
		727	sub datalog($@) {
		728	my ($type, %kv) = @_;
		729	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	730	}
331		731
332	=back	732	=back
333		733
334	=cut	734	=cut
335		735
336	#############################################################################	736	#############################################################################
337		737
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
459		739
460	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
461	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
463		743
464	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	746	Deliantra).
467		747
468	=over 4	748	=over 4
469		749
470	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
471		751
…		…
515	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
516		796
517	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
519		799
520	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
521	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
522		802
523	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
524		804
525	=over 4	805	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	865	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	866	our @CB_MAP = ();
587		867
588	my %attachment;	868	my %attachment;
589		869
		870	sub cf::attachable::thawer_merge {
		871	# simply override everything except _meta
		872	local $_[0]{_meta};
		873	%{$_[0]} = %{$_[1]};
		874	}
		875
590	sub _attach_cb($$$$) {	876	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	877	my ($registry, $event, $prio, $cb) = @_;
592		878
593	use sort 'stable';	879	use sort 'stable';
594		880
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	914	$registry = $CB_TYPE[$object_type] ||= [];
629		915
630	} elsif ($type eq "subtype") {	916	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	917	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	918	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	919	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		920
635	} elsif ($type eq "package") {	921	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	922	my $pkg = shift @arg;
637		923
638	while (my ($name, $id) = each %cb_id) {	924	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
668	}	954	}
669		955
670	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
671	} else {	957	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	959	}
674		960
675	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
676	}	962	}
677		963
…		…
679	if (ref $_[0]) {	965	if (ref $_[0]) {
680	_object_attach @_;	966	_object_attach @_;
681	} else {	967	} else {
682	_attach shift->_attach_registry, @_;	968	_attach shift->_attach_registry, @_;
683	}	969	}
		970	_recalc_want;
684	};	971	};
685		972
686	# all those should be optimised	973	# all those should be optimised
687	sub cf::attachable::detach {	974	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	975	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	978	delete $obj->{_attachment}{$name};
692	reattach ($obj);	979	reattach ($obj);
693	} else {	980	} else {
694	Carp::croak "cannot, currently, detach class attachments";	981	Carp::croak "cannot, currently, detach class attachments";
695	}	982	}
		983	_recalc_want;
696	};	984	};
697		985
698	sub cf::attachable::attached {	986	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	987	my ($obj, $name) = @_;
700		988
…		…
715	";	1003	";
716	die if $@;	1004	die if $@;
717	}	1005	}
718		1006
719	our $override;	1007	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1009
722	sub override {	1010	sub override {
723	$override = 1;	1011	$override = 1;
724	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
725	}	1013	}
726		1014
727	sub do_invoke {	1015	sub do_invoke {
728	my $event = shift;	1016	my $event = shift;
729	my $callbacks = shift;	1017	my $callbacks = shift;
730		1018
731	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
732		1020
733	local $override;	1021	local $override;
734		1022
735	for (@$callbacks) {	1023	for (@$callbacks) {
736	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
745	}	1033	}
746		1034
747	0	1035	0
748	}	1036	}
749		1037
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1039
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1041
754	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
755		1043
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1047
760	=back	1048	=back
761		1049
762	=cut	1050	=cut
763		1051
764	#############################################################################	1052	#############################################################################
765	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
766		1096
767	sub reattach {	1097	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1099	my ($obj) = @_;
		1100
		1101	# no longer needed after getting rid of delete_package?
		1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1103
771	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
772		1105
773	@$registry = ();	1106	@$registry = ();
774		1107
…		…
789	cf::attachable->attach (	1122	cf::attachable->attach (
790	prio => -1000000,	1123	prio => -1000000,
791	on_instantiate => sub {	1124	on_instantiate => sub {
792	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
793		1126
794	$data = from_json $data;	1127	$data = decode_json $data;
795		1128
796	for (@$data) {	1129	for (@$data) {
797	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
798		1131
799	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1148	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
817		1150
818	sync_job {	1151	sync_job {
819	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
822		1156
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1160	if ($cf::USE_FSYNC) {
		1161	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;
826	aio_fsync $fh;	1162	aio_fsync $fh;
		1163	}
827	close $fh;	1164	aio_close $fh;
828		1165
829	if (@$objs) {	1166	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
		1171	if ($cf::USE_FSYNC) {
		1172	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;
834	aio_fsync $fh;	1173	aio_fsync $fh;
		1174	}
835	close $fh;	1175	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
837	}	1177	}
838	} else {	1178	} else {
839	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
840	}	1180	}
841		1181
842	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1186	} else {
844	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
845	}	1188	}
846	} else {	1189	} else {
847	aio_unlink $filename;	1190	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
849	}	1192	}
850	}	1193	};
851	}	1194	}
852		1195
853	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
855		1198
…		…
867	or return;	1210	or return;
868		1211
869	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
871	or return;	1214	or return;
		1215
872	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
873	}	1218	}
874		1219
		1220	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
877	return ($data, $av);	1224	($data, $av)
878	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
879		1232
880	#############################################################################	1233	#############################################################################
881	# command handling &c	1234	# command handling &c
882		1235
883	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1250	}
898		1251
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1253
901	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
902		1259
903	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
904	called.	1261	called.
905		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
906	=cut	1274	=cut
907		1275
908	sub register_extcmd {	1276	sub register_extcmd {
909	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
910		1278
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1279	$EXTCMD{$name} = $cb;
915	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
916		1289
917	cf::player->attach (	1290	cf::player->attach (
918	on_command => sub {	1291	on_command => sub {
919	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
920		1293
…		…
928	cf::override;	1301	cf::override;
929	},	1302	},
930	on_extcmd => sub {	1303	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
932		1305
933	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1307
935	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
941	} else {	1323	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1325	}
944		1326
945	cf::override;	1327	cf::override;
946	},	1328	},
947	);	1329	);
948		1330
949	sub register {	1331	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1332	sub cache_extensions {
956	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
957		1334
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1338	}
1008	}	1339	};
1009		1340
1010	# remove extcmds	1341	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1342	}
1024		1343
1025	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
1026	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1349	next unless -r $path;
1028	eval {	1350
1029	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
1030	1	1407	}
1031	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
1032	}	1413	};
1033	}	1414	}
1034		1415
1035	#############################################################################	1416	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1417
1038	*cf::mapsupport::on_clean = sub {	1418	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1419
1073	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1074		1421
1075	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1076		1423
1077	=cut	1424	=cut
1078		1425
1079	package cf::player;	1426	package cf::player;
1080		1427
		1428	use Coro::AIO;
		1429
1081	=head3 cf::player	1430	=head3 cf::player
1082		1431
1083	=over 4	1432	=over 4
1084		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
		1447
1085	=item cf::player::find $login	1448	=item cf::player::find $login
1086		1449
1087	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1088		1451
1089	=cut	1452	=cut
1090		1453
1091	sub playerdir($) {	1454	sub playerdir($) {
1092	cf::localdir	1455	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1456	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1457	}
1098		1458
1099	sub path($) {	1459	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1460	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1461
1102	(playerdir $login) . "/$login.pl"	1462	(playerdir $login) . "/playerdata"
1103	}	1463	}
1104		1464
1105	sub find_active($) {	1465	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1466	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1467	and $cf::PLAYER{$_[0]}->active
…		…
1110		1470
1111	sub exists($) {	1471	sub exists($) {
1112	my ($login) = @_;	1472	my ($login) = @_;
1113		1473
1114	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1475	or !aio_stat path $login
1116	}	1476	}
1117		1477
1118	sub find($) {	1478	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1480	my $login = $_[0];
1121		1481
1122	my $guard = cf::lock_acquire "user_find:$login";	1482	my $guard = cf::lock_acquire "user_find:$login";
1123		1483
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1484	$cf::PLAYER{$_[0]} || do {
		1485	# rename old playerfiles to new ones
		1486	#TODO: remove when no longer required
		1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1490	aio_unlink +(playerdir $login) . "/$login.pl";
		1491
		1492	my $f = new_from_file cf::object::thawer path $login
		1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
		1500	$cf::PLAYER{$login} = $pl
		1501	}
1125	};	1502	}
1126	}	1503	}
1127		1504
1128	sub save($) {	1505	sub save($) {
1129	my ($pl) = @_;	1506	my ($pl) = @_;
1130		1507
…		…
1132		1509
1133	my $path = path $pl;	1510	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1511	my $guard = cf::lock_acquire "user_save:$path";
1135		1512
1136	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
		1514
		1515	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1138		1517
1139	Coro::cede;	1518	cf::get_slot 0.01;
		1519
1140	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1141	Coro::cede;	1521	cf::cede_to_tick;
1142	}	1522	}
1143		1523
1144	sub new($) {	1524	sub new($) {
1145	my ($login) = @_;	1525	my ($login) = @_;
1146		1526
…		…
1152	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1153		1533
1154	$self	1534	$self
1155	}	1535	}
1156		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
		1547	=item $pl->quit_character
		1548
		1549	Nukes the player without looking back. If logged in, the connection will
		1550	be destroyed. May block for a long time.
		1551
		1552	=cut
		1553
1157	sub quit_character {	1554	sub quit_character {
1158	my ($pl) = @_;	1555	my ($pl) = @_;
1159		1556
		1557	my $name = $pl->ob->name;
		1558
1160	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1161	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1162		1561
1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1164	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1166	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1167		1568
1168	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1169	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
1170	IO::AIO::aio_rename $path, $temp, sub {	1571	aio_rename $path, $temp;
1171	delete $cf::PLAYER{$pl->ob->name};	1572	delete $cf::PLAYER{$pl->ob->name};
1172	$pl->destroy;	1573	$pl->destroy;
1173		1574
		1575	my $prefix = qr<^~\Q$name\E/>;
		1576
		1577	# nuke player maps
		1578	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1579
1174	IO::AIO::aio_rmtree $temp;	1580	IO::AIO::aio_rmtree $temp;
		1581	}
		1582
		1583	=item $pl->kick
		1584
		1585	Kicks a player out of the game. This destroys the connection.
		1586
		1587	=cut
		1588
		1589	sub kick {
		1590	my ($pl, $kicker) = @_;
		1591
		1592	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1593	$pl->killer ("kicked");
		1594	$pl->ns->destroy;
		1595	}
		1596
		1597	=item cf::player::list_logins
		1598
		1599	Returns am arrayref of all valid playernames in the system, can take a
		1600	while and may block, so not sync_job-capable, ever.
		1601
		1602	=cut
		1603
		1604	sub list_logins {
		1605	my $dirs = aio_readdir $PLAYERDIR
		1606	or return [];
		1607
		1608	my @logins;
		1609
		1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
		1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1617	aio_read $fh, 0, 512, my $buf, 0 or next;
		1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
		1620
		1621	utf8::decode $login;
		1622	push @logins, $login;
1175	};	1623	}
1176	}
1177		1624
		1625	\@logins
		1626	}
		1627
		1628	=item $player->maps
		1629
		1630	Returns an arrayref of map paths that are private for this
		1631	player. May block.
		1632
		1633	=cut
		1634
		1635	sub maps($) {
		1636	my ($pl) = @_;
		1637
		1638	$pl = ref $pl ? $pl->ob->name : $pl;
		1639
		1640	my $files = aio_readdir playerdir $pl
		1641	or return;
		1642
		1643	my @paths;
		1644
		1645	for (@$files) {
		1646	utf8::decode $_;
		1647	next if /\.(?:pl|pst)$/;
		1648	next unless /^$PATH_SEP/o;
		1649
		1650	push @paths, cf::map::normalise "~$pl/$_";
		1651	}
		1652
		1653	\@paths
		1654	}
		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1178	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1179		1661
1180	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1181		1663
1182	=cut	1664	=cut
1183		1665
1184	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1185	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1186		1668
1187	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1188
1189	$self->send ("ext " . cf::to_json \%msg);
1190	}	1670	}
1191		1671
1192	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1193		1712
1194	=back	1713	=back
1195
1196		1714
1197	=head3 cf::map	1715	=head3 cf::map
1198		1716
1199	=over 4	1717	=over 4
1200		1718
…		…
1203	package cf::map;	1721	package cf::map;
1204		1722
1205	use Fcntl;	1723	use Fcntl;
1206	use Coro::AIO;	1724	use Coro::AIO;
1207		1725
		1726	use overload
		1727	'""' => \&as_string,
		1728	fallback => 1;
		1729
1208	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1209	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1210		1732
1211	sub generate_random_map {	1733	sub generate_random_map {
1212	my ($path, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1213		1737
1214	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1215	cf::map::_create_random_map	1739	$self->_create_random_map (
1216	$path,
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1743	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1744	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1745	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1746	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1747	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1748	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1749	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region})	1750	(cf::region::find $rmp->{region}), $rmp->{custom}
		1751	)
1228	}	1752	}
1229		1753
1230	# and all this just because we cannot iterate over	1754	=item cf::map->register ($regex, $prio)
1231	# all maps in C++...
1232	sub change_all_map_light {
1233	my ($change) = @_;
1234		1755
1235	$_->change_map_light ($change)	1756	Register a handler for the map path matching the given regex at the
1236	for grep $_->outdoor, values %cf::MAP;	1757	givne priority (higher is better, built-in handlers have priority 0, the
1237	}	1758	default).
1238		1759
1239	sub try_load_header($) {	1760	=cut
		1761
		1762	sub register {
		1763	my (undef, $regex, $prio) = @_;
		1764	my $pkg = caller;
		1765
		1766	no strict;
		1767	push @{"$pkg\::ISA"}, __PACKAGE__;
		1768
		1769	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1770	}
		1771
		1772	# also paths starting with '/'
		1773	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1774
		1775	sub thawer_merge {
		1776	my ($self, $merge) = @_;
		1777
		1778	# we have to keep some variables in memory intact
		1779	local $self->{path};
		1780	local $self->{load_path};
		1781
		1782	$self->SUPER::thawer_merge ($merge);
		1783	}
		1784
		1785	sub normalise {
1240	my ($path) = @_;	1786	my ($path, $base) = @_;
		1787
		1788	$path = "$path"; # make sure its a string
		1789
		1790	$path =~ s/\.map$//;
		1791
		1792	# map plan:
		1793	#
		1794	# /! non-realised random map exit (special hack!)
		1795	# {... are special paths that are not being touched
		1796	# ?xxx/... are special absolute paths
		1797	# ?random/... random maps
		1798	# /... normal maps
		1799	# ~user/... per-player map of a specific user
		1800
		1801	$path =~ s/$PATH_SEP/\//go;
		1802
		1803	# treat it as relative path if it starts with
		1804	# something that looks reasonable
		1805	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1806	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1807
		1808	$base =~ s{[^/]+/?$}{};
		1809	$path = "$base/$path";
		1810	}
		1811
		1812	for ($path) {
		1813	redo if s{//}{/};
		1814	redo if s{/\.?/}{/};
		1815	redo if s{/[^/]+/\.\./}{/};
		1816	}
		1817
		1818	$path
		1819	}
		1820
		1821	sub new_from_path {
		1822	my (undef, $path, $base) = @_;
		1823
		1824	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1825
		1826	$path = normalise $path, $base;
		1827
		1828	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1829	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1830	my $self = bless cf::map::new, $pkg;
		1831	$self->{path} = $path; $self->path ($path);
		1832	$self->init; # pass $1 etc.
		1833	return $self;
		1834	}
		1835	}
		1836
		1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1838	()
		1839	}
		1840
		1841	sub init {
		1842	my ($self) = @_;
		1843
		1844	$self
		1845	}
		1846
		1847	sub as_string {
		1848	my ($self) = @_;
		1849
		1850	"$self->{path}"
		1851	}
		1852
		1853	# the displayed name, this is a one way mapping
		1854	sub visible_name {
		1855	&as_string
		1856	}
		1857
		1858	# the original (read-only) location
		1859	sub load_path {
		1860	my ($self) = @_;
		1861
		1862	"$MAPDIR/$self->{path}.map"
		1863	}
		1864
		1865	# the temporary/swap location
		1866	sub save_path {
		1867	my ($self) = @_;
		1868
		1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1870	"$TMPDIR/$path.map"
		1871	}
		1872
		1873	# the unique path, undef == no special unique path
		1874	sub uniq_path {
		1875	my ($self) = @_;
		1876
		1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1878	"$UNIQUEDIR/$path"
		1879	}
		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
		1889	sub unlink_save {
		1890	my ($self) = @_;
		1891
		1892	utf8::encode (my $save = $self->save_path);
		1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1895	}
		1896
		1897	sub load_header_from($) {
		1898	my ($self, $path) = @_;
1241		1899
1242	utf8::encode $path;	1900	utf8::encode $path;
1243	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1244	or return;	1902	or return;
1245		1903
1246	my $map = cf::map::new	1904	$self->_load_header ($f)
1247	or return;	1905	or return;
1248		1906
1249	# for better error messages only, will be overwritten	1907	local $MAP_LOADING{$self->{path}} = $self;
1250	$map->path ($path);	1908	$f->resolve_delayed_derefs;
1251		1909
1252	$map->load_header ($path)	1910	$self->{load_path} = $path;
		1911
		1912	1
		1913	}
		1914
		1915	sub load_header_orig {
		1916	my ($self) = @_;
		1917
		1918	$self->load_header_from ($self->load_path)
		1919	}
		1920
		1921	sub load_header_temp {
		1922	my ($self) = @_;
		1923
		1924	$self->load_header_from ($self->save_path)
		1925	}
		1926
		1927	sub prepare_temp {
		1928	my ($self) = @_;
		1929
		1930	$self->last_access ((delete $self->{last_access})
		1931	|| $cf::RUNTIME); #d#
		1932	# safety
		1933	$self->{instantiate_time} = $cf::RUNTIME
		1934	if $self->{instantiate_time} > $cf::RUNTIME;
		1935	}
		1936
		1937	sub prepare_orig {
		1938	my ($self) = @_;
		1939
		1940	$self->{load_original} = 1;
		1941	$self->{instantiate_time} = $cf::RUNTIME;
		1942	$self->last_access ($cf::RUNTIME);
		1943	$self->instantiate;
		1944	}
		1945
		1946	sub load_header {
		1947	my ($self) = @_;
		1948
		1949	if ($self->load_header_temp) {
		1950	$self->prepare_temp;
		1951	} else {
		1952	$self->load_header_orig
1253	or return;	1953	or return;
		1954	$self->prepare_orig;
		1955	}
1254		1956
1255	$map->{load_path} = $path;	1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
1256		1959
1257	$map	1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
		1963	1
1258	}	1964	}
1259		1965
1260	sub find;	1966	sub find;
1261	sub find {	1967	sub find {
1262	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1263		1969
1264	#warn "find<$path,$origin>\n";#d#
1265
1266	$path = new cf::path $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1267	my $key = $path->as_string;
1268		1971
1269	cf::lock_wait "map_find:$key";	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1270
1271	$cf::MAP{$key} || do {
1272	my $guard = cf::lock_acquire "map_find:$key";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1273		1974
1274	# do it the slow way	1975	$cf::MAP{$path} || do {
1275	my $map = try_load_header $path->save_path;	1976	my $map = new_from_path cf::map $path
1276
1277	Coro::cede;
1278
1279	if ($map) {
1280	$map->last_access ((delete $map->{last_access})
1281	|| $cf::RUNTIME); #d#
1282	# safety
1283	$map->{instantiate_time} = $cf::RUNTIME
1284	if $map->{instantiate_time} > $cf::RUNTIME;
1285	} else {
1286	if (my $rmp = $path->random_map_params) {
1287	$map = generate_random_map $key, $rmp;
1288	} else {
1289	$map = try_load_header $path->load_path;
1290	}
1291
1292	$map or return;	1977	or return;
1293		1978
1294	$map->{load_original} = 1;
1295	$map->{instantiate_time} = $cf::RUNTIME;
1296	$map->last_access ($cf::RUNTIME);
1297	$map->instantiate;
1298
1299	# per-player maps become, after loading, normal maps
1300	$map->per_player (0) if $path->{user_rel};
1301	}
1302
1303	$map->path ($key);
1304	$map->{path} = $path;
1305	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1306		1980
1307	Coro::cede;	1981	$map->load_header
		1982	or return;
1308		1983
1309	if ($map->should_reset) {	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1985	# doing this can freeze the server in a sync job, obviously
		1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1310	$map->reset;	1989	$map->reset;
1311	undef $guard;
1312	$map = find $path	1990	return find $path;
1313	or return;
1314	}	1991	}
1315		1992
1316	$cf::MAP{$key} = $map	1993	$cf::MAP{$path} = $map
1317	}	1994	}
1318	}	1995	}
		1996
		1997	sub pre_load { }
		1998	sub post_load { }
1319		1999
1320	sub load {	2000	sub load {
1321	my ($self) = @_;	2001	my ($self) = @_;
1322		2002
		2003	local $self->{deny_reset} = 1; # loading can take a long time
		2004
1323	my $path = $self->{path};	2005	my $path = $self->{path};
		2006
		2007	{
1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2008	my $guard = cf::lock_acquire "map_data:$path";
1325		2009
		2010	return unless $self->valid;
1326	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1327		2012
1328	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1329		2014
1330	$self->alloc;	2015	$self->alloc;
1331	$self->load_objects ($self->{load_path}, 1)	2016
		2017	$self->pre_load;
		2018	cf::cede_to_tick;
		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
		2022	$self->_load_objects ($f)
1332	or return;	2023	or return;
1333		2024
1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1335	if delete $self->{load_original};	2026	if delete $self->{load_original};
1336		2027
1337	if (my $uniq = $path->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1338	utf8::encode $uniq;	2029	utf8::encode $uniq;
1339	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1340	$self->clear_unique_items;	2032	$self->clear_unique_items;
1341	$self->load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1342	}	2036	}
1343	}	2037	}
1344		2038
1345	Coro::cede;	2039	$f->resolve_delayed_derefs;
1346		2040
		2041	cf::cede_to_tick;
1347	# now do the right thing for maps	2042	# now do the right thing for maps
1348	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1349
1350	if ($self->{path}->is_style_map) {
1351	$self->{deny_save} = 1;
1352	$self->{deny_reset} = 1;
1353	} else {
1354	$self->fix_auto_apply;
1355	$self->decay_objects;
1356	$self->update_buttons;
1357	$self->set_darkness_map;
1358	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1359	unless $self->difficulty;	2045	unless $self->difficulty;
		2046	cf::cede_to_tick;
		2047
		2048	unless ($self->{deny_activate}) {
		2049	$self->decay_objects;
		2050	$self->fix_auto_apply;
		2051	$self->update_buttons;
		2052	cf::cede_to_tick;
1360	$self->activate;	2053	$self->activate;
1361	}	2054	}
1362		2055
1363	Coro::cede;	2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
1364		2058
1365	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
		2060	}
		2061
		2062	$self->post_load;
		2063	}
		2064
		2065	sub customise_for {
		2066	my ($self, $ob) = @_;
		2067
		2068	return find "~" . $ob->name . "/" . $self->{path}
		2069	if $self->per_player;
		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
		2074	$self
		2075	}
		2076
		2077	# find and load all maps in the 3x3 area around a map
		2078	sub load_neighbours {
		2079	my ($map) = @_;
		2080
		2081	my @neigh; # diagonal neighbours
		2082
		2083	for (0 .. 3) {
		2084	my $neigh = $map->tile_path ($_)
		2085	or next;
		2086	$neigh = find $neigh, $map
		2087	or next;
		2088	$neigh->load;
		2089
		2090	push @neigh,
		2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2093	}
		2094
		2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
		2097	my $neigh = find $path, $origin
		2098	or next;
		2099	$neigh->load;
		2100	}
1366	}	2101	}
1367		2102
1368	sub find_sync {	2103	sub find_sync {
1369	my ($path, $origin) = @_;	2104	my ($path, $origin) = @_;
1370		2105
1371	cf::sync_job { cf::map::find $path, $origin }	2106	cf::sync_job { find $path, $origin }
1372	}	2107	}
1373		2108
1374	sub do_load_sync {	2109	sub do_load_sync {
1375	my ($map) = @_;	2110	my ($map) = @_;
1376		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1377	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
		2116	}
		2117
		2118	our %MAP_PREFETCH;
		2119	our $MAP_PREFETCHER = undef;
		2120
		2121	sub find_async {
		2122	my ($path, $origin, $load) = @_;
		2123
		2124	$path = normalise $path, $origin && $origin->{path};
		2125
		2126	if (my $map = $cf::MAP{$path}) {
		2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2128	}
		2129
		2130	$MAP_PREFETCH{$path} |= $load;
		2131
		2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
		2135	while (%MAP_PREFETCH) {
		2136	while (my ($k, $v) = each %MAP_PREFETCH) {
		2137	if (my $map = find $k) {
		2138	$map->load if $v;
		2139	}
		2140
		2141	delete $MAP_PREFETCH{$k};
		2142	}
		2143	}
		2144	undef $MAP_PREFETCHER;
		2145	};
		2146	$MAP_PREFETCHER->prio (6);
		2147
		2148	()
1378	}	2149	}
1379		2150
1380	sub save {	2151	sub save {
1381	my ($self) = @_;	2152	my ($self) = @_;
1382		2153
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		2155
1385	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1386		2157
1387	return unless $self->dirty;	2158	return unless $self->dirty;
1388		2159
1389	my $save = $self->{path}->save_path; utf8::encode $save;	2160	my $save = $self->save_path; utf8::encode $save;
1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2161	my $uniq = $self->uniq_path; utf8::encode $uniq;
1391		2162
1392	$self->{load_path} = $save;	2163	$self->{load_path} = $save;
1393		2164
1394	return if $self->{deny_save};	2165	return if $self->{deny_save};
1395		2166
1396	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1397		2168
1398	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1399	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1400	};	2172	};
1401		2173
		2174	cf::get_slot 0.02;
		2175
1402	if ($uniq) {	2176	if ($uniq) {
1403	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1404	$self->save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1405	} else {	2179	} else {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1407	}	2181	}
1408	}	2182	}
1409		2183
1410	sub swap_out {	2184	sub swap_out {
1411	my ($self) = @_;	2185	my ($self) = @_;
1412		2186
1413	# save first because save cedes	2187	# save first because save cedes
1414	$self->save;	2188	$self->save;
1415		2189
1416	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1417		2191
1418	return if $self->players;	2192	return if $self->players;
1419	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1420	return if $self->{deny_save};	2194	return if $self->{deny_save};
1421		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1422	$self->clear;	2200	$self->clear;
1423	$self->in_memory (cf::MAP_SWAPPED);
1424	}	2201	}
1425		2202
1426	sub reset_at {	2203	sub reset_at {
1427	my ($self) = @_;	2204	my ($self) = @_;
1428		2205
1429	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1430	return 1e99 if $self->{path}{user_rel};
1431	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1432		2208
1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1435		2211
…		…
1440	my ($self) = @_;	2216	my ($self) = @_;
1441		2217
1442	$self->reset_at <= $cf::RUNTIME	2218	$self->reset_at <= $cf::RUNTIME
1443	}	2219	}
1444		2220
1445	sub unlink_save {
1446	my ($self) = @_;
1447
1448	utf8::encode (my $save = $self->{path}->save_path);
1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451	}
1452
1453	sub rename {
1454	my ($self, $new_path) = @_;
1455
1456	$self->unlink_save;
1457
1458	delete $cf::MAP{$self->path};
1459	$self->{path} = new cf::path $new_path;
1460	$self->path ($self->{path}->as_string);
1461	$cf::MAP{$self->path} = $self;
1462
1463	$self->save;
1464	}
1465
1466	sub reset {	2221	sub reset {
1467	my ($self) = @_;	2222	my ($self) = @_;
1468		2223
1469	my $lock = cf::lock_acquire "map_data:" . $self->path;	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1470		2225
1471	return if $self->players;	2226	return if $self->players;
1472	return if $self->{path}{user_rel};#d#
1473		2227
1474	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
		2229
		2230	$self->in_memory (cf::MAP_SWAPPED);
		2231
		2232	# need to save uniques path
		2233	unless ($self->{deny_save}) {
		2234	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2235
		2236	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2237	if $uniq;
		2238	}
1475		2239
1476	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1477		2241
		2242	$self->deactivate;
1478	$_->clear_links_to ($self) for values %cf::MAP;	2243	$_->clear_links_to ($self) for values %cf::MAP;
		2244	$self->clear;
1479		2245
1480	$self->unlink_save;	2246	$self->unlink_save;
1481	$self->destroy;	2247	$self->destroy;
1482	}	2248	}
1483		2249
1484	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1485		2251
1486	sub nuke {	2252	sub nuke {
1487	my ($self) = @_;	2253	my ($self) = @_;
1488		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
		2258	delete $cf::MAP{$self->path};
		2259
		2260	$self->unlink_save;
		2261
		2262	bless $self, "cf::map";
		2263	delete $self->{deny_reset};
1489	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1490	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1491	$self->rename ("{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2267
		2268	$cf::MAP{$self->path} = $self;
		2269	}
		2270
1492	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
1493	}	2272	}
1494		2273
1495	sub customise_for {	2274	=item $maps = cf::map::tmp_maps
1496	my ($map, $ob) = @_;
1497		2275
1498	if ($map->per_player) {	2276	Returns an arrayref with all map paths of currently instantiated and saved
1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
1500	}	2282	[
1501		2283	map {
1502	$map	2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
1503	}	2290	}
1504		2291
1505	sub emergency_save {	2292	=item $maps = cf::map::random_maps
1506	my $freeze_guard = cf::freeze_mainloop;
1507		2293
1508	warn "enter emergency perl save\n";	2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
1509		2296
1510	cf::sync_job {	2297	=cut
1511	warn "begin emergency player save\n";
1512	$_->save for values %cf::PLAYER;
1513	warn "end emergency player save\n";
1514		2298
1515	warn "begin emergency map save\n";	2299	sub random_maps() {
1516	$_->save for values %cf::MAP;	2300	[
1517	warn "end emergency map save\n";	2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
		2308	}
		2309
		2310	=item cf::map::unique_maps
		2311
		2312	Returns an arrayref of paths of all shared maps that have
		2313	instantiated unique items. May block.
		2314
		2315	=cut
		2316
		2317	sub unique_maps() {
		2318	[
		2319	map {
		2320	utf8::decode $_;
		2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
		2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
		2326	]
		2327	}
		2328
		2329	=back
		2330
		2331	=head3 cf::object
		2332
		2333	=cut
		2334
		2335	package cf::object;
		2336
		2337	=over 4
		2338
		2339	=item $ob->inv_recursive
		2340
		2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
		2343
		2344	=cut
		2345
		2346	sub inv_recursive_;
		2347	sub inv_recursive_ {
		2348	map { $_, inv_recursive_ $_->inv } @_
		2349	}
		2350
		2351	sub inv_recursive {
		2352	inv_recursive_ inv $_[0]
		2353	}
		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
1518	};	2380	}
1519
1520	warn "leave emergency perl save\n";
1521	}	2381	}
1522		2382
1523	package cf;	2383	package cf;
1524		2384
1525	=back	2385	=back
1526
1527		2386
1528	=head3 cf::object::player	2387	=head3 cf::object::player
1529		2388
1530	=over 4	2389	=over 4
1531		2390
…		…
1534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1535	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1536	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1537		2396
1538	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1539		2412
1540	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1541	# with dialog boxes.	2414	# with dialog boxes.
1542	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1543	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1545		2418
1546	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1547		2420
1548	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1549	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1550	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1551	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1552	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1553	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1554	}	2446	}
1555		2447
1556	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1557		2449
1558	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1571		2463
1572	=item $player_object->enter_link	2464	=item $player_object->enter_link
1573		2465
1574	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1575		2467
1576	The player should be reaosnably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1577	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
		2472
		2473	Will never block.
1578		2474
1579	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1580		2476
1581	Moves the player out of the specila link map onto the given map. If the	2477	Moves the player out of the special C<{link}> map onto the specified
1582	map is not valid (or omitted), the player will be moved back to the	2478	map. If the map is not valid (or omitted), the player will be moved back
1583	location he/she was before the call to C<enter_link>, or, if that fails,	2479	to the location he/she was before the call to C<enter_link>, or, if that
1584	to the emergency map position.	2480	fails, to the emergency map position.
1585		2481
1586	Might block.	2482	Might block.
1587		2483
1588	=cut	2484	=cut
		2485
		2486	sub link_map {
		2487	unless ($LINK_MAP) {
		2488	$LINK_MAP = cf::map::find "{link}"
		2489	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2490	$LINK_MAP->load;
		2491	}
		2492
		2493	$LINK_MAP
		2494	}
1589		2495
1590	sub cf::object::player::enter_link {	2496	sub cf::object::player::enter_link {
1591	my ($self) = @_;	2497	my ($self) = @_;
1592		2498
1593	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1594		2500
1595	return if $self->map == $LINK_MAP;	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1596		2502
1597	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1598	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1599		2505
1600	$self->enter_map ($LINK_MAP, 20, 20);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1601	}	2507	}
1602		2508
1603	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1604	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1605		2513
1606	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1607		2515
1608	unless ($map) {	2516	unless ($map) {
1609	# restore original map position	2517	# restore original map position
…		…
1623	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1624	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1625	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1626		2534
1627	$map->load;	2535	$map->load;
		2536	$map->load_neighbours;
1628		2537
1629	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539
		2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2541	$self->enter_map ($map, $x, $y);
		2542
		2543	# only activate afterwards, to support waiting in hooks
1630	$self->activate_recursive;	2544	$self->activate_recursive;
1631	$self->enter_map ($map, $x, $y);
1632	}	2545	}
1633		2546
1634	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1635	on_logout => sub {
1636	my ($pl) = @_;
1637		2548
1638	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1639	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1640	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1641	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1642	};	2553	be called at the end of this process.
1643	}
1644	},
1645	on_login => sub {
1646	my ($pl) = @_;
1647		2554
1648	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1649	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1650	if ($pl->ob->{_link_pos}) {
1651	$pl->ob->enter_link;
1652	(async {
1653	# we need this sleep as the login has a concurrent enter_exit running
1654	# and this sleep increases chances of the player not ending up in scorn
1655	$pl->ob->reply (undef,
1656	"There was an internal problem at your last logout, "
1657	. "the server will try to bring you to your intended destination in a second.",
1658	cf::NDI_RED);
1659	Coro::Timer::sleep 1;
1660	$pl->ob->leave_link;
1661	})->prio (2);
1662	}
1663	},
1664	);
1665		2557
1666	=item $player_object->goto ($path, $x, $y)
1667
1668	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1669		2561
1670	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1671	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1672		2567
1673	$self->enter_link;	2568	$self->enter_link;
1674		2569
1675	(async {	2570	(async {
1676	$path = new cf::path $path;	2571	$Coro::current->{desc} = "player::goto $path $x $y";
1677		2572
1678	my $map = cf::map::find $path->as_string;	2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
		2592	my $map = eval {
		2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1679	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
1680		2597	$map = $check->($map) if $check && $map;
1681	# warn "entering ", $map->path, " at ($x, $y)\n"	2598	} else {
1682	# if $map;
1683
1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
1685		2601
		2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
		2608	}
		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1686	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1687	})->prio (1);	2616	})->prio (1);
1688	}	2617	}
1689		2618
1690	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1691		2620
…		…
1693		2622
1694	sub parse_random_map_params {	2623	sub parse_random_map_params {
1695	my ($spec) = @_;	2624	my ($spec) = @_;
1696		2625
1697	my $rmp = { # defaults	2626	my $rmp = { # defaults
1698	xsize => 10,	2627	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	2628	ysize => (cf::rndm 15, 40),
		2629	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2630	#layout => string,
1700	};	2631	};
1701		2632
1702	for (split /\n/, $spec) {	2633	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	2634	my ($k, $v) = split /\s+/, $_, 2;
1704		2635
…		…
1716	# that depends on the exit object	2647	# that depends on the exit object
1717		2648
1718	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
1719		2650
1720	if ($exit->map) {	2651	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	2652	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1725	}	2658	}
1726		2659
1727	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1728		2661
1729	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1730	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
		2664	my $meta = "$RANDOMDIR/$md5.meta";
1731		2665
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
		2668	undef $fh;
		2669	aio_rename "$meta~", $meta;
1734		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1735	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1737	}	2677	}
1738	}	2678	}
1739		2679
1740	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
…		…
1743	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1744		2684
1745	$self->enter_link;	2685	$self->enter_link;
1746		2686
1747	(async {	2687	(async {
1748	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1749	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
1750	prepare_random_map $exit	2697	prepare_random_map $exit
1751	if $exit->slaying eq "/!";	2698	if $exit->slaying eq "/!";
		2699	}
1752		2700
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
1755		2704
		2705	$self->goto ($map, $x, $y);
		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
1756	1;	2711	1
1757	}) {	2712	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1759	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	2715	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1762		2717
1763	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	2719	$self->leave_link;
1765	}	2720	}
1766	})->prio (1);	2721	})->prio (1);
…		…
1779		2734
1780	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1782		2737
1783	utf8::encode $text;	2738	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2740	}
1786		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/statistics" => {
		2790	id => "infobox",
		2791	title => "Statistics",
		2792	reply => undef,
		2793	tooltip => "Shows your primary statistics",
		2794	},
		2795	"c/skills" => {
		2796	id => "infobox",
		2797	title => "Skills",
		2798	reply => undef,
		2799	tooltip => "Shows your experience per skill and item power",
		2800	},
		2801	"c/shopitems" => {
		2802	id => "infobox",
		2803	title => "Shop Items",
		2804	reply => undef,
		2805	tooltip => "Shows the items currently for sale in this shop",
		2806	},
		2807	"c/resistances" => {
		2808	id => "infobox",
		2809	title => "Resistances",
		2810	reply => undef,
		2811	tooltip => "Shows your resistances",
		2812	},
		2813	"c/pets" => {
		2814	id => "infobox",
		2815	title => "Pets",
		2816	reply => undef,
		2817	tooltip => "Shows information abotu your pets/a specific pet",
		2818	},
		2819	"c/perceiveself" => {
		2820	id => "infobox",
		2821	title => "Perceive Self",
		2822	reply => undef,
		2823	tooltip => "You gained detailed knowledge about yourself",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	"c/death" => {
		2844	id => "death",
		2845	title => "Death",
		2846	reply => undef,
		2847	tooltip => "Reason for and more info about your most recent death",
		2848	},
		2849	"c/say" => $SAY_CHANNEL,
		2850	"c/chat" => $CHAT_CHANNEL,
		2851	);
		2852
		2853	sub cf::client::send_msg {
		2854	my ($self, $channel, $msg, $color, @extra) = @_;
		2855
		2856	$msg = $self->pl->expand_cfpod ($msg)
		2857	unless $color & cf::NDI_VERBATIM;
		2858
		2859	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2860
		2861	# check predefined channels, for the benefit of C
		2862	if ($CHANNEL{$channel}) {
		2863	$channel = $CHANNEL{$channel};
		2864
		2865	$self->ext_msg (channel_info => $channel);
		2866	$channel = $channel->{id};
		2867
		2868	} elsif (ref $channel) {
		2869	# send meta info to client, if not yet sent
		2870	unless (exists $self->{channel}{$channel->{id}}) {
		2871	$self->{channel}{$channel->{id}} = $channel;
		2872	$self->ext_msg (channel_info => $channel);
		2873	}
		2874
		2875	$channel = $channel->{id};
		2876	}
		2877
		2878	return unless @extra || length $msg;
		2879
		2880	# default colour, mask it out
		2881	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2882	if $color & cf::NDI_DEF;
		2883
		2884	my $pkt = "msg "
		2885	. $self->{json_coder}->encode (
		2886	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2887	);
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if (8192 < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
		2902	=item $client->ext_msg ($type, @msg)
		2903
		2904	Sends an ext event to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_msg($$@) {
		2909	my ($self, $type, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
		2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
		2935	}
1787		2936
1788	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
1789		2938
1790	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
1791	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1792	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1793		2942
1794	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
1795	reliable at some point in the future.	2944	become reliable at some point in the future.
1796		2945
1797	=cut	2946	=cut
1798		2947
1799	sub cf::client::query {	2948	sub cf::client::query {
1800	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
1808	utf8::encode $text;	2957	utf8::encode $text;
1809	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1810		2959
1811	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
1812	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
1813	}	2964	}
1814		2965
1815	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
1816	on_reply => sub {	2972	on_reply => sub {
1817	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
1818		2974
1819	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
1820	# get handled first	2976	# get handled first
1821	my $queue = delete $ns->{query_queue}	2977	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2978	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2979
1824	(shift @$queue)->[1]->($msg);	2980	(shift @$queue)->[1]->($msg);
		2981	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2982
1826	push @{ $ns->{query_queue} }, @$queue;	2983	push @{ $ns->{query_queue} }, @$queue;
1827		2984
1828	if (@{ $ns->{query_queue} } == @$queue) {	2985	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2986	if (@$queue) {
…		…
1831	} else {	2988	} else {
1832	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1833	}	2990	}
1834	}	2991	}
1835	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
1836	);	3019	);
1837		3020
1838	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
1839		3022
1840	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
1881	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
1882	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
1883		3066
1884	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
1885		3068
1886	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
1887		3074
1888	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
1889		3076
1890	=pod	3077	=pod
1891		3078
1892	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
1893		3080
1894	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084	value
		3085
1895	cf::object::player player	3086	cf::object::player
1896	cf::player peaceful	3087	player
1897	cf::map trigger	3088
		3089	cf::player
		3090	peaceful
		3091
		3092	cf::map
		3093	trigger
1898		3094
1899	=cut	3095	=cut
1900		3096
1901	for (	3097	for (
1902	["cf::object" => qw(contr pay_amount pay_player map)],	3098	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3099	insert remove inv nrof name archname title slaying race
		3100	decrease split destroy change_exp value msg lore send_msg)],
1903	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
1904	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
1905	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
1906	) {	3104	) {
1907	no strict 'refs';	3105	no strict 'refs';
1908	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
1909	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1926	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
1927		3125
1928	my $qcode = $code;	3126	my $qcode = $code;
1929	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1930	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
1931		3131
1932	local $_;	3132	local $_;
1933	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
1934		3134
1935	my $eval =	3135	my $eval =
…		…
1978	=back	3178	=back
1979		3179
1980	=cut	3180	=cut
1981		3181
1982	#############################################################################	3182	#############################################################################
		3183	# the server's init and main functions
1983		3184
1984	=head2 EXTENSION DATABASE SUPPORT	3185	sub load_facedata($) {
		3186	my ($path) = @_;
1985		3187
1986	Crossfire maintains a very simple database for extension use. It can	3188	# HACK to clear player env face cache, we need some signal framework
1987	currently store anything that can be serialised using Storable, which	3189	# for this (global event?)
1988	excludes objects.	3190	%ext::player_env::MUSIC_FACE_CACHE = ();
1989		3191
1990	The parameter C<$family> should best start with the name of the extension	3192	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1991	using it, it should be unique.
1992		3193
1993	=over 4	3194	warn "loading facedata from $path\n";
1994		3195
1995	=item $hashref = cf::db_get $family	3196	my $facedata;
		3197	0 < aio_load $path, $facedata
		3198	or die "$path: $!";
1996		3199
1997	Return a hashref for use by the extension C<$family>, which can be	3200	$facedata = Coro::Storable::thaw $facedata;
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000		3201
2001	=item $value = cf::db_get $family => $key	3202	$facedata->{version} == 2
		3203	or cf::cleanup "$path: version mismatch, cannot proceed.";
2002		3204
2003	Returns a single value from the database	3205	# patch in the exptable
2004		3206	$facedata->{resource}{"res/exp_table"} = {
2005	=item cf::db_put $family => $hashref	3207	type => FT_RSRC,
2006		3208	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009
2010	=item cf::db_put $family => $key => $value
2011
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022
2023	=cut
2024
2025	our $DB;
2026
2027	{
2028	my $path = cf::localdir . "/database.pst";
2029
2030	sub db_load() {
2031	$DB = stat $path ? Storable::retrieve $path : { };
2032	}
2033
2034	my $pid;
2035
2036	sub db_save() {
2037	waitpid $pid, 0 if $pid;
2038	if (0 == ($pid = fork)) {
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});	3209	};
		3210	cf::cede_to_tick;
2056		3211
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}	3212	{
		3213	my $faces = $facedata->{faceinfo};
2061		3214
2062	sub db_get($;$) {	3215	while (my ($face, $info) = each %$faces) {
2063	@_ >= 2	3216	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067		3217
2068	sub db_put($$;$) {	3218	cf::face::set_visibility $idx, $info->{visibility};
2069	if (@_ >= 3) {	3219	cf::face::set_magicmap $idx, $info->{magicmap};
2070	$DB->{$_[0]}{$_[1]} = $_[2];	3220	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2071	} else {	3221	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076		3222
2077	cf::global->attach (	3223	cf::cede_to_tick;
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	3224	}
2082	);
2083	}
2084		3225
2085	#############################################################################	3226	while (my ($face, $info) = each %$faces) {
2086	# the server's main()	3227	next unless $info->{smooth};
2087		3228
2088	sub cfg_load {	3229	my $idx = cf::face::find $face
		3230	or next;
		3231
		3232	if (my $smooth = cf::face::find $info->{smooth}) {
		3233	cf::face::set_smooth $idx, $smooth;
		3234	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3235	} else {
		3236	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3237	}
		3238
		3239	cf::cede_to_tick;
		3240	}
		3241	}
		3242
		3243	{
		3244	my $anims = $facedata->{animinfo};
		3245
		3246	while (my ($anim, $info) = each %$anims) {
		3247	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3248	cf::cede_to_tick;
		3249	}
		3250
		3251	cf::anim::invalidate_all; # d'oh
		3252	}
		3253
		3254	{
		3255	# TODO: for gcfclient pleasure, we should give resources
		3256	# that gcfclient doesn't grok a >10000 face index.
		3257	my $res = $facedata->{resource};
		3258
		3259	while (my ($name, $info) = each %$res) {
		3260	if (defined $info->{type}) {
		3261	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3262	my $data;
		3263
		3264	if ($info->{type} & 1) {
		3265	# prepend meta info
		3266
		3267	my $meta = $enc->encode ({
		3268	name => $name,
		3269	%{ $info->{meta} || {} },
		3270	});
		3271
		3272	$data = pack "(w/a*)*", $meta, $info->{data};
		3273	} else {
		3274	$data = $info->{data};
		3275	}
		3276
		3277	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3278	cf::face::set_type $idx, $info->{type};
		3279	} else {
		3280	$RESOURCE{$name} = $info;
		3281	}
		3282
		3283	cf::cede_to_tick;
		3284	}
		3285	}
		3286
		3287	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3288
		3289	1
		3290	}
		3291
		3292	cf::global->attach (on_resource_update => sub {
		3293	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3294	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3295
		3296	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3297	my $sound = $soundconf->{compat}[$_]
		3298	or next;
		3299
		3300	my $face = cf::face::find "sound/$sound->[1]";
		3301	cf::sound::set $sound->[0] => $face;
		3302	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3303	}
		3304
		3305	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3306	my $face = cf::face::find "sound/$v";
		3307	cf::sound::set $k => $face;
		3308	}
		3309	}
		3310	});
		3311
		3312	register_exticmd fx_want => sub {
		3313	my ($ns, $want) = @_;
		3314
		3315	while (my ($k, $v) = each %$want) {
		3316	$ns->fx_want ($k, $v);
		3317	}
		3318	};
		3319
		3320	sub load_resource_file($) {
		3321	my $guard = lock_acquire "load_resource_file";
		3322
		3323	my $status = load_resource_file_ $_[0];
		3324	get_slot 0.1, 100;
		3325	cf::arch::commit_load;
		3326
		3327	$status
		3328	}
		3329
		3330	sub reload_regions {
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
		3335	load_resource_file "$MAPDIR/regions"
		3336	or die "unable to load regions file\n";
		3337
		3338	for (cf::region::list) {
		3339	$_->{match} = qr/$_->{match}/
		3340	if exists $_->{match};
		3341	}
		3342	}
		3343
		3344	sub reload_facedata {
		3345	load_facedata "$DATADIR/facedata"
		3346	or die "unable to load facedata\n";
		3347	}
		3348
		3349	sub reload_archetypes {
		3350	load_resource_file "$DATADIR/archetypes"
		3351	or die "unable to load archetypes\n";
		3352	}
		3353
		3354	sub reload_treasures {
		3355	load_resource_file "$DATADIR/treasures"
		3356	or die "unable to load treasurelists\n";
		3357	}
		3358
		3359	sub reload_resources {
		3360	warn "reloading resource files...\n";
		3361
		3362	reload_facedata;
		3363	reload_archetypes;
		3364	reload_regions;
		3365	reload_treasures;
		3366
		3367	warn "finished reloading resource files\n";
		3368	}
		3369
		3370	sub reload_config {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2090	or return;	3372	or return;
2091		3373
2092	local $/;	3374	local $/;
2093	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2094		3376
2095	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2096		3378
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		3381
2100	if (exists $CFG{mlockall}) {	3382	if (exists $CFG{mlockall}) {
2101	eval {	3383	eval {
2102	$CFG{mlockall} ? &mlockall : &munlockall	3384	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	3385	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	3386	};
2105	warn $@ if $@;	3387	warn $@ if $@;
2106	}	3388	}
2107	}	3389	}
2108		3390
		3391	sub pidfile() {
		3392	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3393	or die "$PIDFILE: $!";
		3394	flock $fh, &Fcntl::LOCK_EX
		3395	or die "$PIDFILE: flock: $!";
		3396	$fh
		3397	}
		3398
		3399	# make sure only one server instance is running at any one time
		3400	sub atomic {
		3401	my $fh = pidfile;
		3402
		3403	my $pid = <$fh>;
		3404	kill 9, $pid if $pid > 0;
		3405
		3406	seek $fh, 0, 0;
		3407	print $fh $$;
		3408	}
		3409
		3410	sub main_loop {
		3411	warn "EV::loop starting\n";
		3412	if (1) {
		3413	EV::loop;
		3414	}
		3415	warn "EV::loop returned\n";
		3416	goto &main_loop unless $REALLY_UNLOOP;
		3417	}
		3418
2109	sub main {	3419	sub main {
		3420	cf::init_globals; # initialise logging
		3421
		3422	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3423	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3424	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3425	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3426
		3427	cf::init_experience;
		3428	cf::init_anim;
		3429	cf::init_attackmess;
		3430	cf::init_dynamic;
		3431
		3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433
2110	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2113	async { Event::one_event };	3437	(async {
		3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
		3440	})->prio (Coro::PRIO_MAX);
2114	};	3441	};
2115		3442
2116	cfg_load;	3443	evthread_start IO::AIO::poll_fileno;
2117	db_load;	3444
		3445	cf::sync_job {
		3446	reload_resources;
		3447	reload_config;
		3448	db_init;
		3449
		3450	cf::load_settings;
		3451	cf::load_materials;
		3452	cf::init_uuid;
		3453	cf::init_signals;
		3454	cf::init_commands;
		3455	cf::init_skills;
		3456
		3457	cf::init_beforeplay;
		3458
		3459	atomic;
		3460
2118	load_extensions;	3461	load_extensions;
2119	Event::loop;	3462
		3463	utime time, time, $RUNTIMEFILE;
		3464
		3465	# no (long-running) fork's whatsoever before this point(!)
		3466	use POSIX ();
		3467	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3468
		3469	(pop @POST_INIT)->(0) while @POST_INIT;
		3470	};
		3471
		3472	main_loop;
2120	}	3473	}
2121		3474
2122	#############################################################################	3475	#############################################################################
2123	# initialisation	3476	# initialisation and cleanup
2124		3477
		3478	# install some emergency cleanup handlers
		3479	BEGIN {
		3480	our %SIGWATCHER = ();
		3481	for my $signal (qw(INT HUP TERM)) {
		3482	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3483	cf::cleanup "SIG$signal";
		3484	};
		3485	}
		3486	}
		3487
		3488	sub write_runtime_sync {
		3489	# first touch the runtime file to show we are still running:
		3490	# the fsync below can take a very very long time.
		3491
		3492	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3493
		3494	my $guard = cf::lock_acquire "write_runtime";
		3495
		3496	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3497	or return;
		3498
		3499	my $value = $cf::RUNTIME + 90 + 10;
		3500	# 10 is the runtime save interval, for a monotonic clock
		3501	# 60 allows for the watchdog to kill the server.
		3502
		3503	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3504	and return;
		3505
		3506	# always fsync - this file is important
		3507	aio_fsync $fh
		3508	and return;
		3509
		3510	# touch it again to show we are up-to-date
		3511	aio_utime $fh, undef, undef;
		3512
		3513	close $fh
		3514	or return;
		3515
		3516	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3517	and return;
		3518
		3519	warn "runtime file written.\n";
		3520
		3521	1
		3522	}
		3523
		3524	our $uuid_lock;
		3525	our $uuid_skip;
		3526
		3527	sub write_uuid_sync($) {
		3528	$uuid_skip ||= $_[0];
		3529
		3530	return if $uuid_lock;
		3531	local $uuid_lock = 1;
		3532
		3533	my $uuid = "$LOCALDIR/uuid";
		3534
		3535	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3536	or return;
		3537
		3538	my $value = uuid_seq uuid_cur;
		3539
		3540	unless ($value) {
		3541	warn "cowardly refusing to write zero uuid value!\n";
		3542	return;
		3543	}
		3544
		3545	my $value = uuid_str $value + $uuid_skip;
		3546	$uuid_skip = 0;
		3547
		3548	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3549	and return;
		3550
		3551	# always fsync - this file is important
		3552	aio_fsync $fh
		3553	and return;
		3554
		3555	close $fh
		3556	or return;
		3557
		3558	aio_rename "$uuid~", $uuid
		3559	and return;
		3560
		3561	warn "uuid file written ($value).\n";
		3562
		3563	1
		3564
		3565	}
		3566
		3567	sub write_uuid($$) {
		3568	my ($skip, $sync) = @_;
		3569
		3570	$sync ? write_uuid_sync $skip
		3571	: async { write_uuid_sync $skip };
		3572	}
		3573
		3574	sub emergency_save() {
		3575	my $freeze_guard = cf::freeze_mainloop;
		3576
		3577	warn "emergency_perl_save: enter\n";
		3578
		3579	cf::sync_job {
		3580	# this is a trade-off: we want to be very quick here, so
		3581	# save all maps without fsync, and later call a global sync
		3582	# (which in turn might be very very slow)
		3583	local $USE_FSYNC = 0;
		3584
		3585	# use a peculiar iteration method to avoid tripping on perl
		3586	# refcount bugs in for. also avoids problems with players
		3587	# and maps saved/destroyed asynchronously.
		3588	warn "emergency_perl_save: begin player save\n";
		3589	for my $login (keys %cf::PLAYER) {
		3590	my $pl = $cf::PLAYER{$login} or next;
		3591	$pl->valid or next;
		3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3593	$pl->save;
		3594	}
		3595	warn "emergency_perl_save: end player save\n";
		3596
		3597	warn "emergency_perl_save: begin map save\n";
		3598	for my $path (keys %cf::MAP) {
		3599	my $map = $cf::MAP{$path} or next;
		3600	$map->valid or next;
		3601	$map->save;
		3602	}
		3603	warn "emergency_perl_save: end map save\n";
		3604
		3605	warn "emergency_perl_save: begin database checkpoint\n";
		3606	BDB::db_env_txn_checkpoint $DB_ENV;
		3607	warn "emergency_perl_save: end database checkpoint\n";
		3608
		3609	warn "emergency_perl_save: begin write uuid\n";
		3610	write_uuid_sync 1;
		3611	warn "emergency_perl_save: end write uuid\n";
		3612	};
		3613
		3614	warn "emergency_perl_save: starting sync()\n";
		3615	IO::AIO::aio_sync sub {
		3616	warn "emergency_perl_save: finished sync()\n";
		3617	};
		3618
		3619	warn "emergency_perl_save: leave\n";
		3620	}
		3621
		3622	sub post_cleanup {
		3623	my ($make_core) = @_;
		3624
		3625	warn Carp::longmess "post_cleanup backtrace"
		3626	if $make_core;
		3627
		3628	my $fh = pidfile;
		3629	unlink $PIDFILE if <$fh> == $$;
		3630	}
		3631
		3632	# a safer delete_package, copied from Symbol
		3633	sub clear_package($) {
		3634	my $pkg = shift;
		3635
		3636	# expand to full symbol table name if needed
		3637	unless ($pkg =~ /^main::.*::$/) {
		3638	$pkg = "main$pkg" if $pkg =~ /^::/;
		3639	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3640	$pkg .= '::' unless $pkg =~ /::$/;
		3641	}
		3642
		3643	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3644	my $stem_symtab = *{$stem}{HASH};
		3645
		3646	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3647	or return;
		3648
		3649	# clear all symbols
		3650	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3651	for my $name (keys %$leaf_symtab) {
		3652	_gv_clear *{"$pkg$name"};
		3653	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3654	}
		3655	warn "cleared package $pkg\n";#d#
		3656	}
		3657
2125	sub reload() {	3658	sub do_reload_perl() {
2126	# can/must only be called in main	3659	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	3661	warn "can only reload from main coroutine";
2129	return;	3662	return;
2130	}	3663	}
2131		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
2132	warn "reloading...";	3670	warn "reloading...";
2133		3671
2134	my $guard = freeze_mainloop;	3672	warn "entering sync_job";
		3673
		3674	cf::sync_job {
		3675	cf::write_runtime_sync; # external watchdog should not bark
2135	cf::emergency_save;	3676	cf::emergency_save;
		3677	cf::write_runtime_sync; # external watchdog should not bark
2136		3678
2137	eval {	3679	warn "syncing database to disk";
		3680	BDB::db_env_txn_checkpoint $DB_ENV;
		3681
2138	# if anything goes wrong in here, we should simply crash as we already saved	3682	# if anything goes wrong in here, we should simply crash as we already saved
2139		3683
2140	# cancel all watchers	3684	warn "flushing outstanding aio requests";
2141	for (Event::all_watchers) {	3685	while (IO::AIO::nreqs || BDB::nreqs) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2143	}
2144
2145	# cancel all extension coros
2146	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();
2148
2149	# unload all extensions
2150	for (@exts) {
2151	warn "unloading <$_>";
2152	unload_extension $_;
2153	}
2154
2155	# unload all modules loaded from $LIBDIR
2156	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158
2159	warn "removing <$k>";
2160	delete $INC{$k};
2161
2162	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;
2164
2165	if (my $cb = $k->can ("unload_module")) {
2166	$cb->();
2167	}	3687	}
2168		3688
2169	Symbol::delete_package $k;	3689	warn "cancelling all extension coros";
		3690	$_->cancel for values %EXT_CORO;
		3691	%EXT_CORO = ();
		3692
		3693	warn "removing commands";
		3694	%COMMAND = ();
		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
		3702	warn "... unloading $pkg";
		3703
		3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
		3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
2170	}	3713	}
2171		3714
2172	# sync database to disk	3715	warn "unloading all perl modules loaded from $LIBDIR";
2173	cf::db_sync;	3716	while (my ($k, $v) = each %INC) {
2174	IO::AIO::flush;	3717	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2175		3718
		3719	warn "... unloading $k";
		3720	delete $INC{$k};
		3721
		3722	$k =~ s/\.pm$//;
		3723	$k =~ s/\//::/g;
		3724
		3725	if (my $cb = $k->can ("unload_module")) {
		3726	$cb->();
		3727	}
		3728
		3729	clear_package $k;
		3730	}
		3731
2176	# get rid of safe::, as good as possible	3732	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3734	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		3735
2180	# remove register_script_function callbacks	3736	warn "unloading cf.pm \"a bit\"";
2181	# TODO
2182
2183	# unload cf.pm "a bit"
2184	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
		3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2185		3739
2186	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
2187	# and global variables created in xs	3741	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
2189		3743
2190	# reload cf.pm	3744	warn "unload completed, starting to reload now";
		3745
2191	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
2192	require cf;	3747	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		3749
2195	# load config and database again	3750	warn "loading config and database again";
2196	cf::cfg_load;	3751	cf::reload_config;
2197	cf::db_load;
2198		3752
2199	# load extensions
2200	warn "load extensions";	3753	warn "loading extensions";
2201	cf::load_extensions;	3754	cf::load_extensions;
2202		3755
2203	# reattach attachments to objects	3756	if ($REATTACH_ON_RELOAD) {
2204	warn "reattach";	3757	warn "reattaching attachments to objects/players";
2205	_global_reattach;	3758	_global_reattach; # objects, sockets
		3759	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
		3761	warn "reattaching attachments to players";
		3762	reattach $_ for values %PLAYER;
		3763	}
		3764
		3765	warn "running post_init jobs";
		3766	(pop @POST_INIT)->(1) while @POST_INIT;
		3767
		3768	warn "leaving sync_job";
		3769
		3770	1
		3771	} or do {
		3772	warn $@;
		3773	cf::cleanup "error while reloading, exiting.";
		3774	};
		3775
		3776	warn "reloaded";
		3777	--$RELOAD;
		3778	}
		3779
		3780	$t1 = EV::time - $t1;
		3781	warn "reload completed in ${t1}s\n";
		3782	};
		3783
		3784	our $RELOAD_WATCHER; # used only during reload
		3785
		3786	sub reload_perl() {
		3787	# doing reload synchronously and two reloads happen back-to-back,
		3788	# coro crashes during coro_state_free->destroy here.
		3789
		3790	$RELOAD_WATCHER ||= cf::async {
		3791	Coro::AIO::aio_wait cache_extensions;
		3792
		3793	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3794	do_reload_perl;
		3795	undef $RELOAD_WATCHER;
		3796	};
2207	};	3797	};
2208
2209	if ($@) {
2210	warn $@;
2211	warn "error while reloading, exiting.";
2212	exit 1;
2213	}
2214
2215	warn "reloaded successfully";
2216	};
2217
2218	#############################################################################
2219
2220	unless ($LINK_MAP) {
2221	$LINK_MAP = cf::map::new;
2222
2223	$LINK_MAP->width (41);
2224	$LINK_MAP->height (41);
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,
2233	cb => sub {
2234	$_[0]->w->cancel;
2235
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});
2254
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}	3798	}
2260
2261	register "<global>", __PACKAGE__;
2262		3799
2263	register_command "reload" => sub {	3800	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
2265		3802
2266	if ($who->flag (FLAG_WIZ)) {	3803	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");
2268	reload;
2269	$who->message ("end of reload.");	3804	$who->message ("reloading server.");
		3805	async {
		3806	$Coro::current->{desc} = "perl_reload";
		3807	reload_perl;
		3808	};
2270	}	3809	}
2271	};	3810	};
2272		3811
2273	unshift @INC, $LIBDIR;	3812	unshift @INC, $LIBDIR;
2274		3813
2275	$TICK_WATCHER = Event->timer (	3814	my $bug_warning = 0;
2276	reentrant => 0,	3815
2277	prio => 0,	3816	our @WAIT_FOR_TICK;
2278	at => $NEXT_TICK || $TICK,	3817	our @WAIT_FOR_TICK_BEGIN;
2279	data => WF_AUTOCANCEL,	3818
2280	cb => sub {	3819	sub wait_for_tick {
		3820	return if tick_inhibit || $Coro::current == $Coro::main;
		3821
		3822	my $signal = new Coro::Signal;
		3823	push @WAIT_FOR_TICK, $signal;
		3824	$signal->wait;
		3825	}
		3826
		3827	sub wait_for_tick_begin {
		3828	return if tick_inhibit || $Coro::current == $Coro::main;
		3829
		3830	my $signal = new Coro::Signal;
		3831	push @WAIT_FOR_TICK_BEGIN, $signal;
		3832	$signal->wait;
		3833	}
		3834
		3835	sub tick {
		3836	if ($Coro::current != $Coro::main) {
		3837	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3838	unless ++$bug_warning > 10;
		3839	return;
		3840	}
		3841
2281	cf::server_tick; # one server iteration	3842	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;
2284		3843
2285	# if we are delayed by four ticks or more, skip them all	3844	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3845	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2287		3846	Coro::async_pool {
2288	$TICK_WATCHER->at ($NEXT_TICK);	3847	$Coro::current->{desc} = "runtime saver";
2289	$TICK_WATCHER->start;
2290	},
2291	);
2292
2293	IO::AIO::max_poll_time $TICK * 0.2;
2294
2295	Event->io (
2296	fd => IO::AIO::poll_fileno,
2297	poll => 'r',
2298	prio => 5,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,
2305	after => 0,
2306	interval => 10,
2307	cb => sub {
2308	(Coro::unblock_sub {
2309	write_runtime	3848	write_runtime_sync
2310	or warn "ERROR: unable to write runtime file: $!";	3849	or warn "ERROR: unable to write runtime file: $!";
2311	})->();	3850	};
2312	},	3851	}
2313	);	3852
		3853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3854	$sig->send;
		3855	}
		3856	while (my $sig = shift @WAIT_FOR_TICK) {
		3857	$sig->send;
		3858	}
		3859
		3860	$LOAD = ($NOW - $TICK_START) / $TICK;
		3861	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3862
		3863	if (0) {
		3864	if ($NEXT_TICK) {
		3865	my $jitter = $TICK_START - $NEXT_TICK;
		3866	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3867	warn "jitter $JITTER\n";#d#
		3868	}
		3869	}
		3870	}
		3871
		3872	{
		3873	# configure BDB
		3874
		3875	BDB::min_parallel 8;
		3876	BDB::max_poll_reqs $TICK * 0.1;
		3877	$AnyEvent::BDB::WATCHER->priority (1);
		3878
		3879	unless ($DB_ENV) {
		3880	$DB_ENV = BDB::db_env_create;
		3881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3882	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3883	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3884	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3885	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3886
		3887	cf::sync_job {
		3888	eval {
		3889	BDB::db_env_open
		3890	$DB_ENV,
		3891	$BDBDIR,
		3892	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3893	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3894	0666;
		3895
		3896	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3897	};
		3898
		3899	cf::cleanup "db_env_open(db): $@" if $@;
		3900	};
		3901	}
		3902
		3903	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3904	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3905	};
		3906	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3907	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3908	};
		3909	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3910	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3911	};
		3912	}
		3913
		3914	{
		3915	# configure IO::AIO
		3916
		3917	IO::AIO::min_parallel 8;
		3918	IO::AIO::max_poll_time $TICK * 0.1;
		3919	undef $AnyEvent::AIO::WATCHER;
		3920	}
		3921
		3922	my $_log_backtrace;
		3923
		3924	sub _log_backtrace {
		3925	my ($msg, @addr) = @_;
		3926
		3927	$msg =~ s/\n//;
		3928
		3929	# limit the # of concurrent backtraces
		3930	if ($_log_backtrace < 2) {
		3931	++$_log_backtrace;
		3932	my $perl_bt = Carp::longmess $msg;
		3933	async {
		3934	$Coro::current->{desc} = "abt $msg";
		3935
		3936	my @bt = fork_call {
		3937	@addr = map { sprintf "%x", $_ } @addr;
		3938	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3939	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3940	or die "addr2line: $!";
		3941
		3942	my @funcs;
		3943	my @res = <$fh>;
		3944	chomp for @res;
		3945	while (@res) {
		3946	my ($func, $line) = splice @res, 0, 2, ();
		3947	push @funcs, "[$func] $line";
		3948	}
		3949
		3950	@funcs
		3951	};
		3952
		3953	LOG llevInfo, "[ABT] $perl_bt\n";
		3954	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3955	LOG llevInfo, "[ABT] $_\n" for @bt;
		3956	--$_log_backtrace;
		3957	};
		3958	} else {
		3959	LOG llevInfo, "[ABT] $msg\n";
		3960	LOG llevInfo, "[ABT] [suppressed]\n";
		3961	}
		3962	}
		3963
		3964	# load additional modules
		3965	require "cf/$_.pm" for @EXTRA_MODULES;
2314		3966
2315	END { cf::emergency_save }	3967	END { cf::emergency_save }
2316		3968
2317	1	3969	1
2318		3970

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