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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.153 by root, Mon Jan 8 23:36:16 2007 UTC vs.
Revision 1.483 by root, Mon Oct 12 04:02:17 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";	93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
41		95
42	our $TICK = MAX_TIME * 1e-6;	96	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	97	our $DATADIR = datadir;
		98	our $LIBDIR = "$DATADIR/ext";
		99	our $PODDIR = "$DATADIR/pod";
		100	our $MAPDIR = "$DATADIR/" . mapdir;
		101	our $LOCALDIR = localdir;
		102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		105	our $RANDOMDIR = "$LOCALDIR/random";
		106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
		111
		112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	114	our $NEXT_TICK;
45	our $NOW;	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
		119	our $BDB_TRICKLE_WATCHER;
		120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod match mapscript);
46		123
47	our %CFG;	124	our %CFG;
48		125
49	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
51		129
52	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	132	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	133
56	our %EXT_CORO; # coroutines bound to extensions	134	# used to convert map paths into valid unix filenames by replacing / by ∕
		135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		136
		137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
		140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
57		146
58	binmode STDOUT;	147	binmode STDOUT;
59	binmode STDERR;	148	binmode STDERR;
60		149
61	# read virtual server time, if available	150	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	152	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
66	}	155	}
67		156
68	mkdir cf::localdir;	157	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		158
74	# a special map that is always available	159	mkdir $_
75	our $LINK_MAP;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		161
76	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
		163
		164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
77		176
78	#############################################################################	177	#############################################################################
79		178
80	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
81		180
…		…
88	=item $cf::RUNTIME	187	=item $cf::RUNTIME
89		188
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	189	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	190	every server tick.
92		191
93	=item $cf::LIBDIR	192	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		193	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		194	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		195
95	The perl library directory, where extensions and cf-specific modules can	196	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	197	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		198	unique-items directory, player file directory, random maps directory and
		199	database environment.
97		200
98	=item $cf::NOW	201	=item $cf::NOW
99		202
100	The time of the last (current) server tick.	203	The time of the last (current) server tick.
101		204
102	=item $cf::TICK	205	=item $cf::TICK
103		206
104	The interval between server ticks, in seconds.	207	The interval between server ticks, in seconds.
105		208
		209	=item $cf::LOADAVG
		210
		211	The current CPU load on the server (alpha-smoothed), as a value between 0
		212	(none) and 1 (overloaded), indicating how much time is spent on processing
		213	objects per tick. Healthy values are < 0.5.
		214
		215	=item $cf::LOAD
		216
		217	The raw value load value from the last tick.
		218
106	=item %cf::CFG	219	=item %cf::CFG
107		220
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	221	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	222	from wherever your confdir points to.
110		223
		224	=item cf::wait_for_tick, cf::wait_for_tick_begin
		225
		226	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		227	returns directly I<after> the tick processing (and consequently, can only wake one process
		228	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		229
		230	=item @cf::INVOKE_RESULTS
		231
		232	This array contains the results of the last C<invoke ()> call. When
		233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		234	that call.
		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
		241
111	=back	242	=back
112		243
113	=cut	244	=cut
114		245
115	BEGIN {	246	$Coro::State::WARNHOOK = sub {
116	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	247	my $msg = join "", @_;
118	utf8::encode $msg;
119		248
120	$msg .= "\n"	249	$msg .= "\n"
121	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
122		251
		252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		253
123	LOG llevError, $msg;	254	LOG llevError, $msg;
124	};	255	};
125	}	256
		257	$Coro::State::DIEHOOK = sub {
		258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
		261
		262	if ($Coro::current == $Coro::main) {#d#
		263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		264	return;#d#
		265	}#d#
		266
		267	# kill coroutine otherwise
		268	Coro::terminate
		269	};
126		270
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	275	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		276	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	277	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		278
134	# we bless all objects into (empty) derived classes to force a method lookup	279	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	280	# within the Safe compartment.
136	for my $pkg (qw(	281	for my $pkg (qw(
137	cf::global cf::attachable	282	cf::global cf::attachable
138	cf::object cf::object::player	283	cf::object cf::object::player
139	cf::client cf::player	284	cf::client cf::player
140	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
141	cf::map cf::party cf::region	287	cf::party cf::region
142	)) {	288	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	290	}
146		291
147	$Event::DIED = sub {	292	$EV::DIED = sub {
148	warn "error in event callback: @_";	293	warn "error in event callback: @_";
149	};	294	};
150		295
151	my %ext_pkg;	296	#############################################################################
152	my @exts;
153	my @hook;
154		297
155	=head2 UTILITY FUNCTIONS	298	=head2 UTILITY FUNCTIONS
156		299
157	=over 4	300	=over 4
158		301
159	=cut	302	=item dumpval $ref
160		303
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	304	=cut
162		305
		306	sub dumpval {
		307	eval {
		308	local $SIG{__DIE__};
		309	my $d;
		310	if (1) {
		311	$d = new Data::Dumper([$_[0]], ["*var"]);
		312	$d->Terse(1);
		313	$d->Indent(2);
		314	$d->Quotekeys(0);
		315	$d->Useqq(1);
		316	#$d->Bless(...);
		317	$d->Seen($_[1]) if @_ > 1;
		318	$d = $d->Dump();
		319	}
		320	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		321	$d
		322	} || "[unable to dump $_[0]: '$@']";
		323	}
		324
163	=item $ref = cf::from_json $json	325	=item $ref = cf::decode_json $json
164		326
165	Converts a JSON string into the corresponding perl data structure.	327	Converts a JSON string into the corresponding perl data structure.
166		328
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	329	=item $json = cf::encode_json $ref
175		330
176	Converts a perl data structure into its JSON representation.	331	Converts a perl data structure into its JSON representation.
177		332
178	=cut	333	=cut
179		334
180	sub to_json($) {	335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	336
182	JSON::Syck::Dump $_[0]	337	sub encode_json($) { $json_coder->encode ($_[0]) }
		338	sub decode_json($) { $json_coder->decode ($_[0]) }
		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
183	}	352	}
184		353
185	=item cf::lock_wait $string	354	=item cf::lock_wait $string
186		355
187	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
188		357
189	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
190		359
191	Wait until the given lock is available and then acquires it and returns	360	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,	361	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	362	for example when the coroutine gets canceled), the lock is automatically
194	returned.	363	returned.
195		364
		365	Locks are *not* recursive, locking from the same coro twice results in a
		366	deadlocked coro.
		367
196	Lock names should begin with a unique identifier (for example, cf::map::find	368	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	369	uses map_find and cf::map::load uses map_load).
198		370
199	=cut	371	=item $locked = cf::lock_active $string
200		372
201	our %LOCK;	373	Return true if the lock is currently active, i.e. somebody has locked it.
		374
		375	=cut
		376
		377	our $LOCKS = new Coro::SemaphoreSet;
202		378
203	sub lock_wait($) {	379	sub lock_wait($) {
204	my ($key) = @_;	380	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	381	}
212		382
213	sub lock_acquire($) {	383	sub lock_acquire($) {
214	my ($key) = @_;	384	$LOCKS->guard ($_[0])
		385	}
215		386
216	# wait, to be sure we are not locked	387	sub lock_active($) {
217	lock_wait $key;	388	$LOCKS->count ($_[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	}	389	}
226		390
227	sub freeze_mainloop {	391	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	392	tick_inhibit_inc;
229		393
230	my $guard = Coro::guard { $TICK_WATCHER->start };	394	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	395	}
232	$guard	396
		397	=item cf::periodic $interval, $cb
		398
		399	Like EV::periodic, but randomly selects a starting point so that the actions
		400	get spread over timer.
		401
		402	=cut
		403
		404	sub periodic($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
		410	}
		411
		412	=item cf::get_slot $time[, $priority[, $name]]
		413
		414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		415	This call blocks and returns only when you have at least C<$time> seconds
		416	of cpu time till the next tick. The slot is only valid till the next cede.
		417
		418	The optional C<$name> can be used to identify the job to run. It might be
		419	used for statistical purposes and should identify the same time-class.
		420
		421	Useful for short background jobs.
		422
		423	=cut
		424
		425	our @SLOT_QUEUE;
		426	our $SLOT_QUEUE;
		427
		428	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		429	$SLOT_QUEUE = Coro::async {
		430	$Coro::current->desc ("timeslot manager");
		431
		432	my $signal = new Coro::Signal;
		433
		434	while () {
		435	next_job:
		436	my $avail = cf::till_tick;
		437	if ($avail > 0.01) {
		438	for (0 .. $#SLOT_QUEUE) {
		439	if ($SLOT_QUEUE[$_][0] < $avail) {
		440	my $job = splice @SLOT_QUEUE, $_, 1, ();
		441	$job->[2]->send;
		442	Coro::cede;
		443	goto next_job;
		444	}
		445	}
		446	}
		447
		448	if (@SLOT_QUEUE) {
		449	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		450	push @cf::WAIT_FOR_TICK, $signal;
		451	$signal->wait;
		452	} else {
		453	Coro::schedule;
		454	}
		455	}
		456	};
		457
		458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
		461	my ($time, $pri, $name) = @_;
		462
		463	$time = $TICK * .6 if $time > $TICK * .6;
		464	my $sig = new Coro::Signal;
		465
		466	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		467	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		468	$SLOT_QUEUE->ready;
		469	$sig->wait;
233	}	470	}
234		471
235	=item cf::async { BLOCK }	472	=item cf::async { BLOCK }
236		473
237	Currently the same as Coro::async_pool, meaning you cannot use	474	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		479
243	BEGIN { *async = \&Coro::async_pool }	480	BEGIN { *async = \&Coro::async_pool }
244		481
245	=item cf::sync_job { BLOCK }	482	=item cf::sync_job { BLOCK }
246		483
247	The design of crossfire+ requires that the main coro ($Coro::main) is	484	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	485	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	486	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		487	acceptable.
250		488
251	If it must be done, put the blocking parts into C<sync_job>. This will run	489	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	490	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	491	server will be frozen during this time, so the block should either finish
254	fast or be very important.	492	fast or be very important.
…		…
257		495
258	sub sync_job(&) {	496	sub sync_job(&) {
259	my ($job) = @_;	497	my ($job) = @_;
260		498
261	if ($Coro::current == $Coro::main) {	499	if ($Coro::current == $Coro::main) {
		500	my $time = EV::time;
		501
262	# this is the main coro, too bad, we have to block	502	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	503	# till the operation succeeds, freezing the server :/
264		504
265	# TODO: use suspend/resume instead	505	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	506
267	my $freeze_guard = freeze_mainloop;	507	my $freeze_guard = freeze_mainloop;
268		508
269	my $busy = 1;	509	my $busy = 1;
270	my @res;	510	my @res;
271		511
272	(async {	512	(async {
		513	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	514	@res = eval { $job->() };
274	warn $@ if $@;	515	warn $@ if $@;
275	undef $busy;	516	undef $busy;
276	})->prio (Coro::PRIO_MAX);	517	})->prio (Coro::PRIO_MAX);
277		518
278	while ($busy) {	519	while ($busy) {
279	Coro::cede or Event::one_event;	520	if (Coro::nready) {
		521	Coro::cede_notself;
		522	} else {
		523	EV::loop EV::LOOP_ONESHOT;
280	}	524	}
		525	}
		526
		527	my $time = EV::time - $time;
		528
		529	$TICK_START += $time; # do not account sync jobs to server load
281		530
282	wantarray ? @res : $res[0]	531	wantarray ? @res : $res[0]
283	} else {	532	} else {
284	# we are in another coroutine, how wonderful, everything just works	533	# we are in another coroutine, how wonderful, everything just works
285		534
…		…
287	}	536	}
288	}	537	}
289		538
290	=item $coro = cf::async_ext { BLOCK }	539	=item $coro = cf::async_ext { BLOCK }
291		540
292	Like async, but this coro is automcatially being canceled when the	541	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	542	extension calling this is being unloaded.
294		543
295	=cut	544	=cut
296		545
297	sub async_ext(&) {	546	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	554	$EXT_CORO{$coro+0} = $coro;
306		555
307	$coro	556	$coro
308	}	557	}
309		558
310	sub write_runtime {	559	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		560
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	Executes the given code block with the given arguments in a seperate
314	or return;	562	process, returning the results. Everything must be serialisable with
		563	Coro::Storable. May, of course, block. Note that the executed sub may
		564	never block itself or use any form of event handling.
315		565
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	566	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		567
320	aio_fsync $fh	568	sub fork_call(&@) {
321	and return;	569	my ($cb, @args) = @_;
322		570
323	close $fh	571	# we seemingly have to make a local copy of the whole thing,
324	or return;	572	# otherwise perl prematurely frees the stuff :/
		573	# TODO: investigate and fix (likely this will be rather laborious)
325		574
326	aio_rename "$runtime~", $runtime	575	my @res = Coro::Util::fork_eval {
327	and return;	576	reset_signals;
		577	&$cb
		578	}, @args;
328		579
		580	wantarray ? @res : $res[-1]
		581	}
		582
		583	=item $coin = coin_from_name $name
		584
		585	=cut
		586
		587	our %coin_alias = (
		588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
		603
		604	sub coin_from_name($) {
		605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
		608	}
		609
		610	=item $value = cf::db_get $family => $key
		611
		612	Returns a single value from the environment database.
		613
		614	=item cf::db_put $family => $key => $value
		615
		616	Stores the given C<$value> in the family. It can currently store binary
		617	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		618
		619	=item $db = cf::db_table "name"
		620
		621	Create and/or open a new database table. The string must not be "db" and must be unique
		622	within each server.
		623
		624	=cut
		625
		626	sub db_table($) {
		627	my ($name) = @_;
		628	my $db = BDB::db_create $DB_ENV;
		629
		630	eval {
		631	$db->set_flags (BDB::CHKSUM);
		632
		633	utf8::encode $name;
		634	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		635	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		636	cf::cleanup "db_open(db): $!" if $!;
		637	};
		638	cf::cleanup "db_open(db): $@" if $@;
		639
		640	$db
		641	}
		642
		643	our $DB;
		644
		645	sub db_init {
		646	cf::sync_job {
		647	$DB ||= db_table "db";
		648	};
		649	}
		650
		651	sub db_get($$) {
		652	my $key = "$_[0]/$_[1]";
		653
		654	cf::sync_job {
		655	BDB::db_get $DB, undef, $key, my $data;
		656
		657	$! ? ()
		658	: $data
329	1	659	}
		660	}
		661
		662	sub db_put($$$) {
		663	BDB::dbreq_pri 4;
		664	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		665	}
		666
		667	=item cf::cache $id => [$paths...], $processversion => $process
		668
		669	Generic caching function that returns the value of the resource $id,
		670	caching and regenerating as required.
		671
		672	This function can block.
		673
		674	=cut
		675
		676	sub cache {
		677	my ($id, $src, $processversion, $process) = @_;
		678
		679	my $meta =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	aio_stat $_
		684	and Carp::croak "$_: $!";
		685
		686	($_, (stat _)[7,9])
		687	} @$src;
		688
		689	my $dbmeta = db_get cache => "$id/meta";
		690	if ($dbmeta ne $meta) {
		691	# changed, we may need to process
		692
		693	my @data;
		694	my $md5;
		695
		696	for (0 .. $#$src) {
		697	0 <= aio_load $src->[$_], $data[$_]
		698	or Carp::croak "$src->[$_]: $!";
		699	}
		700
		701	# if processing is expensive, check
		702	# checksum first
		703	if (1) {
		704	$md5 =
		705	join "\x00",
		706	$processversion,
		707	map {
		708	cf::cede_to_tick;
		709	($src->[$_], Digest::MD5::md5_hex $data[$_])
		710	} 0.. $#$src;
		711
		712
		713	my $dbmd5 = db_get cache => "$id/md5";
		714	if ($dbmd5 eq $md5) {
		715	db_put cache => "$id/meta", $meta;
		716
		717	return db_get cache => "$id/data";
		718	}
		719	}
		720
		721	my $t1 = Time::HiRes::time;
		722	my $data = $process->(\@data);
		723	my $t2 = Time::HiRes::time;
		724
		725	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		726
		727	db_put cache => "$id/data", $data;
		728	db_put cache => "$id/md5" , $md5;
		729	db_put cache => "$id/meta", $meta;
		730
		731	return $data;
		732	}
		733
		734	db_get cache => "$id/data"
		735	}
		736
		737	=item cf::datalog type => key => value, ...
		738
		739	Log a datalog packet of the given type with the given key-value pairs.
		740
		741	=cut
		742
		743	sub datalog($@) {
		744	my ($type, %kv) = @_;
		745	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	746	}
331		747
332	=back	748	=back
333		749
334	=cut	750	=cut
335		751
336	#############################################################################	752	#############################################################################
337		753
338	package cf::path;
339
340	sub new {
341	my ($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	754	=head2 ATTACHABLE OBJECTS
459		755
460	Many objects in crossfire are so-called attachable objects. That means you can	756	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")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
463		759
464	In the following description, CLASS can be any of C<global>, C<object>	760	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	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	762	Deliantra).
467		763
468	=over 4	764	=over 4
469		765
470	=item $attachable->attach ($attachment, key => $value...)	766	=item $attachable->attach ($attachment, key => $value...)
471		767
…		…
515	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
516		812
517	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
519		815
520	Some classes such as crossfire maps and objects can specify attachments	816	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.	817	that are attached at load/instantiate time, thus the need for a name.
522		818
523	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
524		820
525	=over 4	821	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	881	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	882	our @CB_MAP = ();
587		883
588	my %attachment;	884	my %attachment;
589		885
		886	sub cf::attachable::thawer_merge {
		887	# simply override everything except _meta
		888	local $_[0]{_meta};
		889	%{$_[0]} = %{$_[1]};
		890	}
		891
590	sub _attach_cb($$$$) {	892	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	893	my ($registry, $event, $prio, $cb) = @_;
592		894
593	use sort 'stable';	895	use sort 'stable';
594		896
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	930	$registry = $CB_TYPE[$object_type] ||= [];
629		931
630	} elsif ($type eq "subtype") {	932	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	933	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	934	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	935	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		936
635	} elsif ($type eq "package") {	937	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	938	my $pkg = shift @arg;
637		939
638	while (my ($name, $id) = each %cb_id) {	940	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	969	_attach $registry, $klass, @attach;
668	}	970	}
669		971
670	$obj->{$name} = \%arg;	972	$obj->{$name} = \%arg;
671	} else {	973	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	974	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	975	}
674		976
675	$obj->{_attachment}{$name} = undef;	977	$obj->{_attachment}{$name} = undef;
676	}	978	}
677		979
…		…
679	if (ref $_[0]) {	981	if (ref $_[0]) {
680	_object_attach @_;	982	_object_attach @_;
681	} else {	983	} else {
682	_attach shift->_attach_registry, @_;	984	_attach shift->_attach_registry, @_;
683	}	985	}
		986	_recalc_want;
684	};	987	};
685		988
686	# all those should be optimised	989	# all those should be optimised
687	sub cf::attachable::detach {	990	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	991	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	994	delete $obj->{_attachment}{$name};
692	reattach ($obj);	995	reattach ($obj);
693	} else {	996	} else {
694	Carp::croak "cannot, currently, detach class attachments";	997	Carp::croak "cannot, currently, detach class attachments";
695	}	998	}
		999	_recalc_want;
696	};	1000	};
697		1001
698	sub cf::attachable::attached {	1002	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1003	my ($obj, $name) = @_;
700		1004
…		…
715	";	1019	";
716	die if $@;	1020	die if $@;
717	}	1021	}
718		1022
719	our $override;	1023	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1024	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1025
722	sub override {	1026	sub override {
723	$override = 1;	1027	$override = 1;
724	@invoke_results = ();	1028	@INVOKE_RESULTS = (@_);
725	}	1029	}
726		1030
727	sub do_invoke {	1031	sub do_invoke {
728	my $event = shift;	1032	my $event = shift;
729	my $callbacks = shift;	1033	my $callbacks = shift;
730		1034
731	@invoke_results = ();	1035	@INVOKE_RESULTS = ();
732		1036
733	local $override;	1037	local $override;
734		1038
735	for (@$callbacks) {	1039	for (@$callbacks) {
736	eval { &{$_->[1]} };	1040	eval { &{$_->[1]} };
…		…
745	}	1049	}
746		1050
747	0	1051	0
748	}	1052	}
749		1053
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1054	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1055
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1057
754	Generate an object-specific event with the given arguments.	1058	Generate an object-specific event with the given arguments.
755		1059
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1060	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	1061	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1062	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1063
760	=back	1064	=back
761		1065
762	=cut	1066	=cut
763		1067
764	#############################################################################	1068	#############################################################################
765	# object support	1069	# object support
		1070
		1071	sub _object_equal($$);
		1072	sub _object_equal($$) {
		1073	my ($a, $b) = @_;
		1074
		1075	return 0 unless (ref $a) eq (ref $b);
		1076
		1077	if ("HASH" eq ref $a) {
		1078	my @ka = keys %$a;
		1079	my @kb = keys %$b;
		1080
		1081	return 0 if @ka != @kb;
		1082
		1083	for (0 .. $#ka) {
		1084	return 0 unless $ka[$_] eq $kb[$_];
		1085	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1086	}
		1087
		1088	} elsif ("ARRAY" eq ref $a) {
		1089
		1090	return 0 if @$a != @$b;
		1091
		1092	for (0 .. $#$a) {
		1093	return 0 unless _object_equal $a->[$_], $b->[$_];
		1094	}
		1095
		1096	} elsif ($a ne $b) {
		1097	return 0;
		1098	}
		1099
		1100	1
		1101	}
		1102
		1103	our $SLOW_MERGES;#d#
		1104	sub _can_merge {
		1105	my ($ob1, $ob2) = @_;
		1106
		1107	++$SLOW_MERGES;#d#
		1108
		1109	# we do the slow way here
		1110	return _object_equal $ob1, $ob2
		1111	}
766		1112
767	sub reattach {	1113	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1115	my ($obj) = @_;
		1116
		1117	# no longer needed after getting rid of delete_package?
		1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1119
771	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
772		1121
773	@$registry = ();	1122	@$registry = ();
774		1123
…		…
789	cf::attachable->attach (	1138	cf::attachable->attach (
790	prio => -1000000,	1139	prio => -1000000,
791	on_instantiate => sub {	1140	on_instantiate => sub {
792	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
793		1142
794	$data = from_json $data;	1143	$data = decode_json $data;
795		1144
796	for (@$data) {	1145	for (@$data) {
797	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
798		1147
799	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1164	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1165	my ($filename, $rdata, $objs) = @_;
817		1166
818	sync_job {	1167	sync_job {
819	if (length $$rdata) {	1168	if (length $$rdata) {
		1169	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
822		1172
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1176	if ($cf::USE_FSYNC) {
		1177	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;	1178	aio_fsync $fh;
		1179	}
827	close $fh;	1180	aio_close $fh;
828		1181
829	if (@$objs) {	1182	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
		1187	if ($cf::USE_FSYNC) {
		1188	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;	1189	aio_fsync $fh;
		1190	}
835	close $fh;	1191	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
837	}	1193	}
838	} else {	1194	} else {
839	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
840	}	1196	}
841		1197
842	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1202	} else {
844	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
845	}	1204	}
846	} else {	1205	} else {
847	aio_unlink $filename;	1206	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
849	}	1208	}
850	}	1209	};
851	}	1210	}
852		1211
853	sub object_freezer_as_string {	1212	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1213	my ($rdata, $objs) = @_;
855		1214
…		…
867	or return;	1226	or return;
868		1227
869	unless (aio_stat "$filename.pst") {	1228	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1229	(aio_load "$filename.pst", $av) >= 0
871	or return;	1230	or return;
		1231
872	$av = eval { (Storable::thaw $av)->{objs} };	1232	my $st = eval { Coro::Storable::thaw $av };
		1233	$av = $st->{objs};
873	}	1234	}
874		1235
		1236	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1237	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1238	$decname, length $data, scalar @{$av || []};
		1239
877	return ($data, $av);	1240	($data, $av)
878	}	1241	}
		1242
		1243	=head2 COMMAND CALLBACKS
		1244
		1245	=over 4
		1246
		1247	=cut
879		1248
880	#############################################################################	1249	#############################################################################
881	# command handling &c	1250	# command handling &c
882		1251
883	=item cf::register_command $name => \&callback($ob,$args);	1252	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1265	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1266	}
898		1267
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1268	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1269
901	Register a callbackf ro execution when the client sends an extcmd packet.	1270	Register a callback for execution when the client sends an (synchronous)
		1271	extcmd packet. Ext commands will be processed in the order they are
		1272	received by the server, like other user commands. The first argument is
		1273	the logged-in player. Ext commands can only be processed after a player
		1274	has logged in successfully.
902		1275
903	If the callback returns something, it is sent back as if reply was being	1276	If the callback returns something, it is sent back as if reply was being
904	called.	1277	called.
905		1278
		1279	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1280
		1281	Register a callback for execution when the client sends an (asynchronous)
		1282	exticmd packet. Exti commands are processed by the server as soon as they
		1283	are received, i.e. out of order w.r.t. other commands. The first argument
		1284	is a client socket. Exti commands can be received anytime, even before
		1285	log-in.
		1286
		1287	If the callback returns something, it is sent back as if reply was being
		1288	called.
		1289
906	=cut	1290	=cut
907		1291
908	sub register_extcmd {	1292	sub register_extcmd {
909	my ($name, $cb) = @_;	1293	my ($name, $cb) = @_;
910		1294
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1295	$EXTCMD{$name} = $cb;
915	}	1296	}
		1297
		1298	sub register_exticmd {
		1299	my ($name, $cb) = @_;
		1300
		1301	$EXTICMD{$name} = $cb;
		1302	}
		1303
		1304	use File::Glob ();
916		1305
917	cf::player->attach (	1306	cf::player->attach (
918	on_command => sub {	1307	on_command => sub {
919	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
920		1309
…		…
928	cf::override;	1317	cf::override;
929	},	1318	},
930	on_extcmd => sub {	1319	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1320	my ($pl, $buf) = @_;
932		1321
933	my $msg = eval { from_json $buf };	1322	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1323
935	if (ref $msg) {	1324	if (ref $msg) {
		1325	my ($type, $reply, @payload) =
		1326	"ARRAY" eq ref $msg
		1327	? @$msg
		1328	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1329
		1330	my @reply;
		1331
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1332	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1333	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1334	}
		1335
		1336	$pl->ext_reply ($reply, @reply)
		1337	if $reply;
		1338
941	} else {	1339	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1340	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1341	}
944		1342
945	cf::override;	1343	cf::override;
946	},	1344	},
947	);	1345	);
948		1346
949	sub register {	1347	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1348	sub cache_extensions {
956	my ($path) = @_;	1349	my $grp = IO::AIO::aio_group;
957		1350
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1352	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1353	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	}	1354	}
1008	}	1355	};
1009		1356
1010	# remove extcmds	1357	$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	}	1358	}
1024		1359
1025	sub load_extensions {	1360	sub load_extensions {
		1361	cf::sync_job {
		1362	my %todo;
		1363
1026	for my $ext (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1365	next unless -r $path;
1028	eval {	1366
1029	load_extension $ext;	1367	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1368	my $base = $1;
		1369	my $pkg = $1;
		1370	$pkg =~ s/[^[:word:]]/_/g;
		1371	$pkg = "ext::$pkg";
		1372
		1373	open my $fh, "<:utf8", $path
		1374	or die "$path: $!";
		1375
		1376	my $source = do { local $/; <$fh> };
		1377
		1378	my %ext = (
		1379	path => $path,
		1380	base => $base,
		1381	pkg => $pkg,
		1382	);
		1383
		1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1386
		1387	$ext{source} =
		1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1389	. "#line 1 \"$path\"\n{\n"
		1390	. $source
		1391	. "\n};\n1";
		1392
		1393	$todo{$base} = \%ext;
		1394	}
		1395
		1396	my %done;
		1397	while (%todo) {
		1398	my $progress;
		1399
		1400	while (my ($k, $v) = each %todo) {
		1401	for (split /,\s*/, $v->{meta}{depends}) {
		1402	goto skip
		1403	unless exists $done{$_};
		1404	}
		1405
		1406	warn "... loading '$k' into '$v->{pkg}'\n";
		1407
		1408	unless (eval $v->{source}) {
		1409	my $msg = $@ ? "$v->{path}: $@\n"
		1410	: "$v->{base}: extension inactive.\n";
		1411
		1412	if (exists $v->{meta}{mandatory}) {
		1413	warn $msg;
		1414	cf::cleanup "mandatory extension failed to load, exiting.";
		1415	}
		1416
		1417	warn $msg;
		1418	}
		1419
		1420	$done{$k} = delete $todo{$k};
		1421	push @EXTS, $v->{pkg};
		1422	$progress = 1;
1030	1	1423	}
1031	} or warn "$ext not loaded: $@";	1424
		1425	skip:
		1426	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1427	unless $progress;
		1428	}
1032	}	1429	};
1033	}	1430	}
1034		1431
1035	#############################################################################	1432	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1433
1038	*cf::mapsupport::on_clean = sub {	1434	=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		1435
1073	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
1074		1437
1075	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
1076		1439
1077	=cut	1440	=cut
1078		1441
1079	package cf::player;	1442	package cf::player;
1080		1443
		1444	use Coro::AIO;
		1445
1081	=head3 cf::player	1446	=head3 cf::player
1082		1447
1083	=over 4	1448	=over 4
1084		1449
		1450	=item cf::player::num_playing
		1451
		1452	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1453
		1454	=cut
		1455
		1456	sub num_playing {
		1457	scalar grep
		1458	$_->ob->map
		1459	&& !$_->hidden
		1460	&& !$_->ob->flag (cf::FLAG_WIZ),
		1461	cf::player::list
		1462	}
		1463
1085	=item cf::player::find $login	1464	=item cf::player::find $login
1086		1465
1087	Returns the given player object, loading it if necessary (might block).	1466	Returns the given player object, loading it if necessary (might block).
1088		1467
1089	=cut	1468	=cut
1090		1469
1091	sub playerdir($) {	1470	sub playerdir($) {
1092	cf::localdir	1471	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1472	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1473	}
1098		1474
1099	sub path($) {	1475	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1476	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1477
1102	(playerdir $login) . "/$login.pl"	1478	(playerdir $login) . "/playerdata"
1103	}	1479	}
1104		1480
1105	sub find_active($) {	1481	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1482	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1483	and $cf::PLAYER{$_[0]}->active
…		…
1110		1486
1111	sub exists($) {	1487	sub exists($) {
1112	my ($login) = @_;	1488	my ($login) = @_;
1113		1489
1114	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1491	or !aio_stat path $login
1116	}	1492	}
1117		1493
1118	sub find($) {	1494	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1496	my $login = $_[0];
1121		1497
1122	my $guard = cf::lock_acquire "user_find:$login";	1498	my $guard = cf::lock_acquire "user_find:$login";
1123		1499
1124	$cf::PLAYER{$_[0]} || do {	1500	$cf::PLAYER{$_[0]} || do {
1125	my $pl = load_pl path $login	1501	# rename old playerfiles to new ones
		1502	#TODO: remove when no longer required
		1503	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1504	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1505	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1506	aio_unlink +(playerdir $login) . "/$login.pl";
		1507
		1508	my $f = new_from_file cf::object::thawer path $login
1126	or return;	1509	or return;
		1510
		1511	my $pl = cf::player::load_pl $f
		1512	or return;
		1513
		1514	local $cf::PLAYER_LOADING{$login} = $pl;
		1515	$f->resolve_delayed_derefs;
1127	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1128	}	1517	}
1129	}	1518	}
1130	}	1519	}
1131		1520
…		…
1137	my $path = path $pl;	1526	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1527	my $guard = cf::lock_acquire "user_save:$path";
1139		1528
1140	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1141		1530
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
1144		1533
		1534	cf::get_slot 0.01;
		1535
1145	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1146	Coro::cede;	1537	cf::cede_to_tick;
1147	}	1538	}
1148		1539
1149	sub new($) {	1540	sub new($) {
1150	my ($login) = @_;	1541	my ($login) = @_;
1151		1542
…		…
1157	$cf::PLAYER{$login} = $self;	1548	$cf::PLAYER{$login} = $self;
1158		1549
1159	$self	1550	$self
1160	}	1551	}
1161		1552
		1553	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1554
		1555	=cut
		1556
		1557	sub send_msg {
		1558	my $ns = shift->ns
		1559	or return;
		1560	$ns->send_msg (@_);
		1561	}
		1562
		1563	=item $pl->quit_character
		1564
		1565	Nukes the player without looking back. If logged in, the connection will
		1566	be destroyed. May block for a long time.
		1567
		1568	=cut
		1569
1162	sub quit_character {	1570	sub quit_character {
1163	my ($pl) = @_;	1571	my ($pl) = @_;
1164		1572
		1573	my $name = $pl->ob->name;
		1574
1165	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1167		1577
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1169	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1172		1584
1173	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1587	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1588	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1589	$pl->destroy;
		1590
		1591	my $prefix = qr<^~\Q$name\E/>;
		1592
		1593	# nuke player maps
		1594	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1595
1178	IO::AIO::aio_rmtree $temp;	1596	IO::AIO::aio_rmtree $temp;
1179	}	1597	}
1180		1598
		1599	=item $pl->kick
		1600
		1601	Kicks a player out of the game. This destroys the connection.
		1602
		1603	=cut
		1604
		1605	sub kick {
		1606	my ($pl, $kicker) = @_;
		1607
		1608	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1609	$pl->killer ("kicked");
		1610	$pl->ns->destroy;
		1611	}
		1612
		1613	=item cf::player::list_logins
		1614
		1615	Returns am arrayref of all valid playernames in the system, can take a
		1616	while and may block, so not sync_job-capable, ever.
		1617
		1618	=cut
		1619
		1620	sub list_logins {
		1621	my $dirs = aio_readdir $PLAYERDIR
		1622	or return [];
		1623
		1624	my @logins;
		1625
		1626	for my $login (@$dirs) {
		1627	my $path = path $login;
		1628
		1629	# a .pst is a dead give-away for a valid player
		1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
		1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1633	aio_read $fh, 0, 512, my $buf, 0 or next;
		1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1635	}
		1636
		1637	utf8::decode $login;
		1638	push @logins, $login;
		1639	}
		1640
		1641	\@logins
		1642	}
		1643
		1644	=item $player->maps
		1645
		1646	Returns an arrayref of map paths that are private for this
		1647	player. May block.
		1648
		1649	=cut
		1650
		1651	sub maps($) {
		1652	my ($pl) = @_;
		1653
		1654	$pl = ref $pl ? $pl->ob->name : $pl;
		1655
		1656	my $files = aio_readdir playerdir $pl
		1657	or return;
		1658
		1659	my @paths;
		1660
		1661	for (@$files) {
		1662	utf8::decode $_;
		1663	next if /\.(?:pl|pst)$/;
		1664	next unless /^$PATH_SEP/o;
		1665
		1666	push @paths, cf::map::normalise "~$pl/$_";
		1667	}
		1668
		1669	\@paths
		1670	}
		1671
		1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1673
		1674	Expand deliantra pod fragments into protocol xml.
		1675
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1676	=item $player->ext_reply ($msgid, @msg)
1182		1677
1183	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1184		1679
1185	=cut	1680	=cut
1186		1681
1187	sub ext_reply($$$%) {	1682	sub ext_reply($$@) {
1188	my ($self, $id, %msg) = @_;	1683	my ($self, $id, @msg) = @_;
1189		1684
1190	$msg{msgid} = $id;	1685	$self->ns->ext_reply ($id, @msg)
1191
1192	$self->send ("ext " . cf::to_json \%msg);
1193	}	1686	}
1194		1687
1195	package cf;	1688	=item $player->ext_msg ($type, @msg)
		1689
		1690	Sends an ext event to the client.
		1691
		1692	=cut
		1693
		1694	sub ext_msg($$@) {
		1695	my ($self, $type, @msg) = @_;
		1696
		1697	$self->ns->ext_msg ($type, @msg);
		1698	}
		1699
		1700	=head3 cf::region
		1701
		1702	=over 4
		1703
		1704	=cut
		1705
		1706	package cf::region;
		1707
		1708	=item cf::region::find_by_path $path
		1709
		1710	Tries to decuce the likely region for a map knowing only its path.
		1711
		1712	=cut
		1713
		1714	sub find_by_path($) {
		1715	my ($path) = @_;
		1716
		1717	my ($match, $specificity);
		1718
		1719	for my $region (list) {
		1720	if ($region->{match} && $path =~ $region->{match}) {
		1721	($match, $specificity) = ($region, $region->specificity)
		1722	if $region->specificity > $specificity;
		1723	}
		1724	}
		1725
		1726	$match
		1727	}
1196		1728
1197	=back	1729	=back
1198
1199		1730
1200	=head3 cf::map	1731	=head3 cf::map
1201		1732
1202	=over 4	1733	=over 4
1203		1734
…		…
1206	package cf::map;	1737	package cf::map;
1207		1738
1208	use Fcntl;	1739	use Fcntl;
1209	use Coro::AIO;	1740	use Coro::AIO;
1210		1741
		1742	use overload
		1743	'""' => \&as_string,
		1744	fallback => 1;
		1745
1211	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1213		1748
1214	sub generate_random_map {	1749	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1216		1753
1217	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1755	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1759	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1760	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1761	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1762	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1763	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1764	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1765	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1766	(cf::region::find $rmp->{region}), $rmp->{custom}
		1767	)
1231	}	1768	}
1232		1769
1233	# and all this just because we cannot iterate over	1770	=item cf::map->register ($regex, $prio)
1234	# all maps in C++...
1235	sub change_all_map_light {
1236	my ($change) = @_;
1237		1771
1238	$_->change_map_light ($change)	1772	Register a handler for the map path matching the given regex at the
1239	for grep $_->outdoor, values %cf::MAP;	1773	givne priority (higher is better, built-in handlers have priority 0, the
1240	}	1774	default).
1241		1775
1242	sub try_load_header($) {	1776	=cut
		1777
		1778	sub register {
		1779	my (undef, $regex, $prio) = @_;
		1780	my $pkg = caller;
		1781
		1782	no strict;
		1783	push @{"$pkg\::ISA"}, __PACKAGE__;
		1784
		1785	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1786	}
		1787
		1788	# also paths starting with '/'
		1789	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1790
		1791	sub thawer_merge {
		1792	my ($self, $merge) = @_;
		1793
		1794	# we have to keep some variables in memory intact
		1795	local $self->{path};
		1796	local $self->{load_path};
		1797
		1798	$self->SUPER::thawer_merge ($merge);
		1799	}
		1800
		1801	sub normalise {
1243	my ($path) = @_;	1802	my ($path, $base) = @_;
		1803
		1804	$path = "$path"; # make sure its a string
		1805
		1806	$path =~ s/\.map$//;
		1807
		1808	# map plan:
		1809	#
		1810	# /! non-realised random map exit (special hack!)
		1811	# {... are special paths that are not being touched
		1812	# ?xxx/... are special absolute paths
		1813	# ?random/... random maps
		1814	# /... normal maps
		1815	# ~user/... per-player map of a specific user
		1816
		1817	$path =~ s/$PATH_SEP/\//go;
		1818
		1819	# treat it as relative path if it starts with
		1820	# something that looks reasonable
		1821	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1822	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1823
		1824	$base =~ s{[^/]+/?$}{};
		1825	$path = "$base/$path";
		1826	}
		1827
		1828	for ($path) {
		1829	redo if s{//}{/};
		1830	redo if s{/\.?/}{/};
		1831	redo if s{/[^/]+/\.\./}{/};
		1832	}
		1833
		1834	$path
		1835	}
		1836
		1837	sub new_from_path {
		1838	my (undef, $path, $base) = @_;
		1839
		1840	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1841
		1842	$path = normalise $path, $base;
		1843
		1844	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1845	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1846	my $self = bless cf::map::new, $pkg;
		1847	$self->{path} = $path; $self->path ($path);
		1848	$self->init; # pass $1 etc.
		1849	return $self;
		1850	}
		1851	}
		1852
		1853	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1854	()
		1855	}
		1856
		1857	sub init {
		1858	my ($self) = @_;
		1859
		1860	$self
		1861	}
		1862
		1863	sub as_string {
		1864	my ($self) = @_;
		1865
		1866	"$self->{path}"
		1867	}
		1868
		1869	# the displayed name, this is a one way mapping
		1870	sub visible_name {
		1871	&as_string
		1872	}
		1873
		1874	# the original (read-only) location
		1875	sub load_path {
		1876	my ($self) = @_;
		1877
		1878	"$MAPDIR/$self->{path}.map"
		1879	}
		1880
		1881	# the temporary/swap location
		1882	sub save_path {
		1883	my ($self) = @_;
		1884
		1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1886	"$TMPDIR/$path.map"
		1887	}
		1888
		1889	# the unique path, undef == no special unique path
		1890	sub uniq_path {
		1891	my ($self) = @_;
		1892
		1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1894	"$UNIQUEDIR/$path"
		1895	}
		1896
		1897	sub decay_objects {
		1898	my ($self) = @_;
		1899
		1900	return if $self->{deny_reset};
		1901
		1902	$self->do_decay_objects;
		1903	}
		1904
		1905	sub unlink_save {
		1906	my ($self) = @_;
		1907
		1908	utf8::encode (my $save = $self->save_path);
		1909	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1911	}
		1912
		1913	sub load_header_from($) {
		1914	my ($self, $path) = @_;
1244		1915
1245	utf8::encode $path;	1916	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1917	my $f = new_from_file cf::object::thawer $path
1247	or return;	1918	or return;
1248		1919
1249	my $map = cf::map::new	1920	$self->_load_header ($f)
1250	or return;	1921	or return;
1251		1922
1252	# for better error messages only, will be overwritten	1923	local $MAP_LOADING{$self->{path}} = $self;
1253	$map->path ($path);	1924	$f->resolve_delayed_derefs;
1254		1925
1255	$map->load_header ($path)	1926	$self->{load_path} = $path;
		1927
		1928	1
		1929	}
		1930
		1931	sub load_header_orig {
		1932	my ($self) = @_;
		1933
		1934	$self->load_header_from ($self->load_path)
		1935	}
		1936
		1937	sub load_header_temp {
		1938	my ($self) = @_;
		1939
		1940	$self->load_header_from ($self->save_path)
		1941	}
		1942
		1943	sub prepare_temp {
		1944	my ($self) = @_;
		1945
		1946	$self->last_access ((delete $self->{last_access})
		1947	|| $cf::RUNTIME); #d#
		1948	# safety
		1949	$self->{instantiate_time} = $cf::RUNTIME
		1950	if $self->{instantiate_time} > $cf::RUNTIME;
		1951	}
		1952
		1953	sub prepare_orig {
		1954	my ($self) = @_;
		1955
		1956	$self->{load_original} = 1;
		1957	$self->{instantiate_time} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
		1959	$self->instantiate;
		1960	}
		1961
		1962	sub load_header {
		1963	my ($self) = @_;
		1964
		1965	if ($self->load_header_temp) {
		1966	$self->prepare_temp;
		1967	} else {
		1968	$self->load_header_orig
1256	or return;	1969	or return;
		1970	$self->prepare_orig;
		1971	}
1257		1972
1258	$map->{load_path} = $path;	1973	$self->{deny_reset} = 1
		1974	if $self->no_reset;
1259		1975
1260	$map	1976	$self->default_region (cf::region::find_by_path $self->{path})
		1977	unless $self->default_region;
		1978
		1979	1
1261	}	1980	}
1262		1981
1263	sub find;	1982	sub find;
1264	sub find {	1983	sub find {
1265	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1266		1985
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1987
1272	cf::lock_wait "map_find:$key";	1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1273
1274	$cf::MAP{$key} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1276		1990
1277	# do it the slow way	1991	$cf::MAP{$path} || do {
1278	my $map = try_load_header $path->save_path;	1992	my $map = new_from_path cf::map $path
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1993	or return;
1296		1994
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1309		1996
1310	Coro::cede;	1997	$map->load_header
		1998	or return;
1311		1999
1312	if ($map->should_reset) {	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2001	# doing this can freeze the server in a sync job, obviously
		2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
		2004	undef $guard1;
1313	$map->reset;	2005	$map->reset;
1314	undef $guard;
1315	$map = find $path	2006	return find $path;
1316	or return;
1317	}	2007	}
1318		2008
1319	$cf::MAP{$key} = $map	2009	$cf::MAP{$path} = $map
1320	}	2010	}
1321	}	2011	}
		2012
		2013	sub pre_load { }
		2014	sub post_load { }
1322		2015
1323	sub load {	2016	sub load {
1324	my ($self) = @_;	2017	my ($self) = @_;
1325		2018
		2019	local $self->{deny_reset} = 1; # loading can take a long time
		2020
1326	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2024	my $guard = cf::lock_acquire "map_data:$path";
1328		2025
		2026	return unless $self->valid;
1329	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1330		2028
1331	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1332		2030
1333	$self->alloc;	2031	$self->alloc;
1334	$self->load_objects ($self->{load_path}, 1)	2032
		2033	$self->pre_load;
		2034	cf::cede_to_tick;
		2035
		2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1335	or return;	2039	or return;
1336		2040
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
1338	if delete $self->{load_original};	2042	if delete $self->{load_original};
1339		2043
1340	if (my $uniq = $path->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	2045	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1343	$self->clear_unique_items;	2048	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1345	}	2052	}
1346	}	2053	}
1347		2054
1348	Coro::cede;	2055	$f->resolve_delayed_derefs;
1349		2056
		2057	cf::cede_to_tick;
1350	# now do the right thing for maps	2058	# now do the right thing for maps
1351	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1352
1353	if ($self->{path}->is_style_map) {
1354	$self->{deny_save} = 1;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;
1360	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	2061	unless $self->difficulty;
		2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
1363	$self->activate;	2069	$self->activate;
1364	}	2070	}
1365		2071
1366	Coro::cede;	2072	$self->{last_save} = $cf::RUNTIME;
		2073	$self->last_access ($cf::RUNTIME);
1367		2074
1368	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
		2076	}
		2077
		2078	$self->post_load;
		2079	}
		2080
		2081	sub customise_for {
		2082	my ($self, $ob) = @_;
		2083
		2084	return find "~" . $ob->name . "/" . $self->{path}
		2085	if $self->per_player;
		2086
		2087	# return find "?party/" . $ob->name . "/" . $self->{path}
		2088	# if $self->per_party;
		2089
		2090	$self
		2091	}
		2092
		2093	# find and load all maps in the 3x3 area around a map
		2094	sub load_neighbours {
		2095	my ($map) = @_;
		2096
		2097	my @neigh; # diagonal neighbours
		2098
		2099	for (0 .. 3) {
		2100	my $neigh = $map->tile_path ($_)
		2101	or next;
		2102	$neigh = find $neigh, $map
		2103	or next;
		2104	$neigh->load;
		2105
		2106	push @neigh,
		2107	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2108	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2109	}
		2110
		2111	for (grep defined $_->[0], @neigh) {
		2112	my ($path, $origin) = @$_;
		2113	my $neigh = find $path, $origin
		2114	or next;
		2115	$neigh->load;
		2116	}
1369	}	2117	}
1370		2118
1371	sub find_sync {	2119	sub find_sync {
1372	my ($path, $origin) = @_;	2120	my ($path, $origin) = @_;
1373		2121
1374	cf::sync_job { cf::map::find $path, $origin }	2122	cf::sync_job { find $path, $origin }
1375	}	2123	}
1376		2124
1377	sub do_load_sync {	2125	sub do_load_sync {
1378	my ($map) = @_;	2126	my ($map) = @_;
1379		2127
		2128	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2129	if $Coro::current == $Coro::main;
		2130
1380	cf::sync_job { $map->load };	2131	cf::sync_job { $map->load };
		2132	}
		2133
		2134	our %MAP_PREFETCH;
		2135	our $MAP_PREFETCHER = undef;
		2136
		2137	sub find_async {
		2138	my ($path, $origin, $load) = @_;
		2139
		2140	$path = normalise $path, $origin && $origin->{path};
		2141
		2142	if (my $map = $cf::MAP{$path}) {
		2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2144	}
		2145
		2146	$MAP_PREFETCH{$path} |= $load;
		2147
		2148	$MAP_PREFETCHER ||= cf::async {
		2149	$Coro::current->{desc} = "map prefetcher";
		2150
		2151	while (%MAP_PREFETCH) {
		2152	while (my ($k, $v) = each %MAP_PREFETCH) {
		2153	if (my $map = find $k) {
		2154	$map->load if $v;
		2155	}
		2156
		2157	delete $MAP_PREFETCH{$k};
		2158	}
		2159	}
		2160	undef $MAP_PREFETCHER;
		2161	};
		2162	$MAP_PREFETCHER->prio (6);
		2163
		2164	()
1381	}	2165	}
1382		2166
1383	sub save {	2167	sub save {
1384	my ($self) = @_;	2168	my ($self) = @_;
1385		2169
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	2170	my $lock = cf::lock_acquire "map_data:$self->{path}";
1387		2171
1388	$self->{last_save} = $cf::RUNTIME;	2172	$self->{last_save} = $cf::RUNTIME;
1389		2173
1390	return unless $self->dirty;	2174	return unless $self->dirty;
1391		2175
1392	my $save = $self->{path}->save_path; utf8::encode $save;	2176	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2177	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		2178
1395	$self->{load_path} = $save;	2179	$self->{load_path} = $save;
1396		2180
1397	return if $self->{deny_save};	2181	return if $self->{deny_save};
1398		2182
1399	local $self->{last_access} = $self->last_access;#d#	2183	local $self->{last_access} = $self->last_access;#d#
1400		2184
1401	cf::async {	2185	cf::async {
		2186	$Coro::current->{desc} = "map player save";
1402	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
1403	};	2188	};
1404		2189
		2190	cf::get_slot 0.02;
		2191
1405	if ($uniq) {	2192	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	2195	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	2197	}
1411	}	2198	}
1412		2199
1413	sub swap_out {	2200	sub swap_out {
1414	my ($self) = @_;	2201	my ($self) = @_;
1415		2202
1416	# save first because save cedes	2203	# save first because save cedes
1417	$self->save;	2204	$self->save;
1418		2205
1419	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1420		2207
1421	return if $self->players;	2208	return if $self->players;
1422	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
1423	return if $self->{deny_save};	2210	return if $self->{deny_save};
1424		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1425	$self->clear;	2216	$self->clear;
1426	$self->in_memory (cf::MAP_SWAPPED);
1427	}	2217	}
1428		2218
1429	sub reset_at {	2219	sub reset_at {
1430	my ($self) = @_;	2220	my ($self) = @_;
1431		2221
1432	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};
1434	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1435		2224
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		2227
…		…
1443	my ($self) = @_;	2232	my ($self) = @_;
1444		2233
1445	$self->reset_at <= $cf::RUNTIME	2234	$self->reset_at <= $cf::RUNTIME
1446	}	2235	}
1447		2236
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	2237	sub reset {
1470	my ($self) = @_;	2238	my ($self) = @_;
1471		2239
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		2241
1474	return if $self->players;	2242	return if $self->players;
1475	return if $self->{path}{user_rel};#d#
1476		2243
1477	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path, "\n";
		2245
		2246	$self->in_memory (cf::MAP_SWAPPED);
		2247
		2248	# need to save uniques path
		2249	unless ($self->{deny_save}) {
		2250	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2251
		2252	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2253	if $uniq;
		2254	}
1478		2255
1479	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1480		2257
		2258	$self->deactivate;
1481	$_->clear_links_to ($self) for values %cf::MAP;	2259	$_->clear_links_to ($self) for values %cf::MAP;
		2260	$self->clear;
1482		2261
1483	$self->unlink_save;	2262	$self->unlink_save;
1484	$self->destroy;	2263	$self->destroy;
1485	}	2264	}
1486		2265
1487	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1488		2267
1489	sub nuke {	2268	sub nuke {
1490	my ($self) = @_;	2269	my ($self) = @_;
1491		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
		2274	delete $cf::MAP{$self->path};
		2275
		2276	$self->unlink_save;
		2277
		2278	bless $self, "cf::map";
		2279	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2283
		2284	$cf::MAP{$self->path} = $self;
		2285	}
		2286
1495	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
1496	}	2288	}
1497		2289
1498	sub customise_for {	2290	=item $maps = cf::map::tmp_maps
1499	my ($map, $ob) = @_;
1500		2291
1501	if ($map->per_player) {	2292	Returns an arrayref with all map paths of currently instantiated and saved
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
1503	}	2298	[
1504		2299	map {
1505	$map	2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
1506	}	2306	}
1507		2307
1508	sub emergency_save {	2308	=item $maps = cf::map::random_maps
1509	my $freeze_guard = cf::freeze_mainloop;
1510		2309
1511	warn "enter emergency perl save\n";	2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
1512		2312
1513	cf::sync_job {	2313	=cut
1514	warn "begin emergency player save\n";
1515	$_->save for values %cf::PLAYER;
1516	warn "end emergency player save\n";
1517		2314
1518	warn "begin emergency map save\n";	2315	sub random_maps() {
1519	$_->save for values %cf::MAP;	2316	[
1520	warn "end emergency map save\n";	2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
		2324	}
		2325
		2326	=item cf::map::unique_maps
		2327
		2328	Returns an arrayref of paths of all shared maps that have
		2329	instantiated unique items. May block.
		2330
		2331	=cut
		2332
		2333	sub unique_maps() {
		2334	[
		2335	map {
		2336	utf8::decode $_;
		2337	s/\.map$//; # TODO future compatibility hack
		2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2339	? ()
		2340	: normalise $_
		2341	} @{ aio_readdir $UNIQUEDIR or [] }
		2342	]
		2343	}
		2344
		2345	=back
		2346
		2347	=head3 cf::object
		2348
		2349	=cut
		2350
		2351	package cf::object;
		2352
		2353	=over 4
		2354
		2355	=item $ob->inv_recursive
		2356
		2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
		2359
		2360	=cut
		2361
		2362	sub inv_recursive_;
		2363	sub inv_recursive_ {
		2364	map { $_, inv_recursive_ $_->inv } @_
		2365	}
		2366
		2367	sub inv_recursive {
		2368	inv_recursive_ inv $_[0]
		2369	}
		2370
		2371	=item $ref = $ob->ref
		2372
		2373	Creates and returns a persistent reference to an object that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
1521	};	2396	}
1522
1523	warn "leave emergency perl save\n";
1524	}	2397	}
1525		2398
1526	package cf;	2399	package cf;
1527		2400
1528	=back	2401	=back
1529
1530		2402
1531	=head3 cf::object::player	2403	=head3 cf::object::player
1532		2404
1533	=over 4	2405	=over 4
1534		2406
…		…
1537	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2409	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1538	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
1539	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
1540		2412
1541	=cut	2413	=cut
		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
1542		2428
1543	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
1544	# with dialog boxes.	2430	# with dialog boxes.
1545	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
1546	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
…		…
1548		2434
1549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1550		2436
1551	if ($self->{record_replies}) {	2437	if ($self->{record_replies}) {
1552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2439
1553	} else {	2440	} else {
		2441	my $pl = $self->contr;
		2442
		2443	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2444	my $dialog = $pl->{npc_dialog};
		2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2446
		2447	} else {
1554	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
1555	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2450	}
1556	}	2451	}
		2452	}
		2453
		2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2455
		2456	=cut
		2457
		2458	sub cf::object::send_msg {
		2459	my $pl = shift->contr
		2460	or return;
		2461	$pl->send_msg (@_);
1557	}	2462	}
1558		2463
1559	=item $player_object->may ("access")	2464	=item $player_object->may ("access")
1560		2465
1561	Returns wether the given player is authorized to access resource "access"	2466	Returns wether the given player is authorized to access resource "access"
…		…
1574		2479
1575	=item $player_object->enter_link	2480	=item $player_object->enter_link
1576		2481
1577	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
1578		2483
1579	The player should be reaosnably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
1580	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
		2488
		2489	Will never block.
1581		2490
1582	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
1583		2492
1584	Moves the player out of the specila link map onto the given map. If the	2493	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	2494	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	2495	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	2496	fails, to the emergency map position.
1588		2497
1589	Might block.	2498	Might block.
1590		2499
1591	=cut	2500	=cut
		2501
		2502	sub link_map {
		2503	unless ($LINK_MAP) {
		2504	$LINK_MAP = cf::map::find "{link}"
		2505	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2506	$LINK_MAP->load;
		2507	}
		2508
		2509	$LINK_MAP
		2510	}
1592		2511
1593	sub cf::object::player::enter_link {	2512	sub cf::object::player::enter_link {
1594	my ($self) = @_;	2513	my ($self) = @_;
1595		2514
1596	$self->deactivate_recursive;	2515	$self->deactivate_recursive;
1597		2516
1598	return if $self->map == $LINK_MAP;	2517	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		2518
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	2520	if $self->map && $self->map->{path} ne "{link}";
1602		2521
1603	$self->enter_map ($LINK_MAP, 20, 20);	2522	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	2523	}
1605		2524
1606	sub cf::object::player::leave_link {	2525	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	2526	my ($self, $map, $x, $y) = @_;
		2527
		2528	return unless $self->contr->active;
1608		2529
1609	my $link_pos = delete $self->{_link_pos};	2530	my $link_pos = delete $self->{_link_pos};
1610		2531
1611	unless ($map) {	2532	unless ($map) {
1612	# restore original map position	2533	# restore original map position
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	2547	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	2548	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	2549	if $x <=0 && $y <= 0;
1629		2550
1630	$map->load;	2551	$map->load;
		2552	$map->load_neighbours;
1631		2553
1632	return unless $self->contr->active;	2554	return unless $self->contr->active;
		2555
		2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2557	$self->enter_map ($map, $x, $y);
		2558
		2559	# only activate afterwards, to support waiting in hooks
1633	$self->activate_recursive;	2560	$self->activate_recursive;
1634	$self->enter_map ($map, $x, $y);
1635	}	2561	}
1636		2562
1637	cf::player->attach (	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1638	on_logout => sub {
1639	my ($pl) = @_;
1640		2564
1641	# abort map switching before logout	2565	Moves the player to the given map-path and coordinates by first freezing
1642	if ($pl->ob->{_link_pos}) {	2566	her, loading and preparing them map, calling the provided $check callback
1643	cf::sync_job {	2567	that has to return the map if sucecssful, and then unfreezes the player on
1644	$pl->ob->leave_link	2568	the new (success) or old (failed) map position. In either case, $done will
1645	};	2569	be called at the end of this process.
1646	}
1647	},
1648	on_login => sub {
1649	my ($pl) = @_;
1650		2570
1651	# try to abort aborted map switching on player login :)	2571	Note that $check will be called with a potentially non-loaded map, so if
1652	# should happen only on crashes	2572	it needs a loaded map it has to call C<< ->load >>.
1653	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;
1655	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);
1662	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;
1664	})->prio (2);
1665	}
1666	},
1667	);
1668		2573
1669	=item $player_object->goto ($path, $x, $y)
1670
1671	=cut	2574	=cut
		2575
		2576	our $GOTOGEN;
1672		2577
1673	sub cf::object::player::goto {	2578	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	2579	my ($self, $path, $x, $y, $check, $done) = @_;
1675		2580
1676	$path = new cf::path $path;	2581	# do generation counting so two concurrent goto's will be executed in-order
1677	$path ne "/" or Carp::cluck ("oy");#d#	2582	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1678		2583
1679	$self->enter_link;	2584	$self->enter_link;
1680		2585
1681	(async {	2586	(async {
1682	my $map = cf::map::find $path->as_string;	2587	$Coro::current->{desc} = "player::goto $path $x $y";
		2588
		2589	# *tag paths override both path and x|y
		2590	if ($path =~ /^\*(.*)$/) {
		2591	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2592	my $ob = $obs[rand @obs];
		2593
		2594	# see if we actually can go there
		2595	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2596	$ob = $obs[rand @obs];
		2597	} else {
		2598	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600	# else put us there anyways for now #d#
		2601
		2602	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2603	} else {
		2604	($path, $x, $y) = (undef, undef, undef);
		2605	}
		2606	}
		2607
		2608	my $map = eval {
		2609	my $map = defined $path ? cf::map::find $path : undef;
		2610
		2611	if ($map) {
1683	$map = $map->customise_for ($self) if $map;	2612	$map = $map->customise_for ($self);
1684		2613	$map = $check->($map) if $check && $map;
1685	# warn "entering ", $map->path, " at ($x, $y)\n"	2614	} else {
1686	# if $map;
1687
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2615	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2616	}
1689		2617
		2618	$map
		2619	};
		2620
		2621	if ($@) {
		2622	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2623	LOG llevError | logBacktrace, Carp::longmess $@;
		2624	}
		2625
		2626	if ($gen == $self->{_goto_generation}) {
		2627	delete $self->{_goto_generation};
1690	$self->leave_link ($map, $x, $y);	2628	$self->leave_link ($map, $x, $y);
		2629	}
		2630
		2631	$done->() if $done;
1691	})->prio (1);	2632	})->prio (1);
1692	}	2633	}
1693		2634
1694	=item $player_object->enter_exit ($exit_object)	2635	=item $player_object->enter_exit ($exit_object)
1695		2636
…		…
1697		2638
1698	sub parse_random_map_params {	2639	sub parse_random_map_params {
1699	my ($spec) = @_;	2640	my ($spec) = @_;
1700		2641
1701	my $rmp = { # defaults	2642	my $rmp = { # defaults
1702	xsize => 10,	2643	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	2644	ysize => (cf::rndm 15, 40),
		2645	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2646	#layout => string,
1704	};	2647	};
1705		2648
1706	for (split /\n/, $spec) {	2649	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	2650	my ($k, $v) = split /\s+/, $_, 2;
1708		2651
…		…
1720	# that depends on the exit object	2663	# that depends on the exit object
1721		2664
1722	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
1723		2666
1724	if ($exit->map) {	2667	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	2668	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
1729	}	2674	}
1730		2675
1731	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
1732		2677
1733	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1734	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
		2680	my $meta = "$RANDOMDIR/$md5.meta";
1735		2681
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
		2684	undef $fh;
		2685	aio_rename "$meta~", $meta;
1738		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
1739	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
1741	}	2693	}
1742	}	2694	}
1743		2695
1744	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
…		…
1747	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
1748		2700
1749	$self->enter_link;	2701	$self->enter_link;
1750		2702
1751	(async {	2703	(async {
1752	$self->deactivate_recursive; # just to be sure	2704	$Coro::current->{desc} = "enter_exit";
		2705
1753	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
1754	prepare_random_map $exit	2713	prepare_random_map $exit
1755	if $exit->slaying eq "/!";	2714	if $exit->slaying eq "/!";
		2715	}
1756		2716
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
1759		2720
		2721	$self->goto ($map, $x, $y);
		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
1760	1;	2727	1
1761	}) {	2728	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
1763	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	2731	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
1766		2733
1767	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	2735	$self->leave_link;
1769	}	2736	}
1770	})->prio (1);	2737	})->prio (1);
…		…
1783		2750
1784	sub cf::client::send_drawinfo {	2751	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	2752	my ($self, $text, $flags) = @_;
1786		2753
1787	utf8::encode $text;	2754	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2755	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	2756	}
1790		2757
		2758	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2759
		2760	Send a drawinfo or msg packet to the client, formatting the msg for the
		2761	client if neccessary. C<$type> should be a string identifying the type of
		2762	the message, with C<log> being the default. If C<$color> is negative, suppress
		2763	the message unless the client supports the msg packet.
		2764
		2765	=cut
		2766
		2767	# non-persistent channels (usually the info channel)
		2768	our %CHANNEL = (
		2769	"c/identify" => {
		2770	id => "infobox",
		2771	title => "Identify",
		2772	reply => undef,
		2773	tooltip => "Items recently identified",
		2774	},
		2775	"c/examine" => {
		2776	id => "infobox",
		2777	title => "Examine",
		2778	reply => undef,
		2779	tooltip => "Signs and other items you examined",
		2780	},
		2781	"c/book" => {
		2782	id => "infobox",
		2783	title => "Book",
		2784	reply => undef,
		2785	tooltip => "The contents of a note or book",
		2786	},
		2787	"c/lookat" => {
		2788	id => "infobox",
		2789	title => "Look",
		2790	reply => undef,
		2791	tooltip => "What you saw there",
		2792	},
		2793	"c/who" => {
		2794	id => "infobox",
		2795	title => "Players",
		2796	reply => undef,
		2797	tooltip => "Shows players who are currently online",
		2798	},
		2799	"c/body" => {
		2800	id => "infobox",
		2801	title => "Body Parts",
		2802	reply => undef,
		2803	tooltip => "Shows which body parts you posess and are available",
		2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel);
		2882	$channel = $channel->{id};
		2883
		2884	} elsif (ref $channel) {
		2885	# send meta info to client, if not yet sent
		2886	unless (exists $self->{channel}{$channel->{id}}) {
		2887	$self->{channel}{$channel->{id}} = $channel;
		2888	$self->ext_msg (channel_info => $channel);
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	# default colour, mask it out
		2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2898	if $color & cf::NDI_DEF;
		2899
		2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2903	);
		2904
		2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
		2908
		2909	# split very large packets
		2910	if (8192 < length $pkt and $self->{can_lzf}) {
		2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2912	$pkt = "frag";
		2913	}
		2914
		2915	$self->send_packet ($pkt);
		2916	}
		2917
		2918	=item $client->ext_msg ($type, @msg)
		2919
		2920	Sends an ext event to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_msg($$@) {
		2925	my ($self, $type, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
		2930	push @msg, msgtype => "event_$type";
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
1791		2952
1792	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
1793		2954
1794	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
1795	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1796	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1797		2958
1798	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
1799	reliable at some point in the future.	2960	become reliable at some point in the future.
1800		2961
1801	=cut	2962	=cut
1802		2963
1803	sub cf::client::query {	2964	sub cf::client::query {
1804	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
1812	utf8::encode $text;	2973	utf8::encode $text;
1813	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1814		2975
1815	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
1816	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
1817	}	2980	}
1818		2981
1819	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
1820	on_reply => sub {	2988	on_reply => sub {
1821	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
1822		2990
1823	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
1824	# get handled first	2992	# get handled first
1825	my $queue = delete $ns->{query_queue}	2993	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	2994	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		2995
1828	(shift @$queue)->[1]->($msg);	2996	(shift @$queue)->[1]->($msg);
		2997	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2998
1830	push @{ $ns->{query_queue} }, @$queue;	2999	push @{ $ns->{query_queue} }, @$queue;
1831		3000
1832	if (@{ $ns->{query_queue} } == @$queue) {	3001	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	3002	if (@$queue) {
…		…
1835	} else {	3004	} else {
1836	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1837	}	3006	}
1838	}	3007	}
1839	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
1840	);	3035	);
1841		3036
1842	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
1843		3038
1844	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
1885	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
1886	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
1887		3082
1888	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
1889		3084
1890	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
1891		3090
1892	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
1893		3092
1894	=pod	3093	=pod
1895		3094
1896	The following fucntions and emthods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
1897		3096
1898	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100	value
		3101
1899	cf::object::player player	3102	cf::object::player
1900	cf::player peaceful	3103	player
1901	cf::map trigger	3104
		3105	cf::player
		3106	peaceful
		3107
		3108	cf::map
		3109	trigger
1902		3110
1903	=cut	3111	=cut
1904		3112
1905	for (	3113	for (
1906	["cf::object" => qw(contr pay_amount pay_player map)],	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3115	insert remove inv nrof name archname title slaying race
		3116	decrease split destroy change_exp value msg lore send_msg)],
1907	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
1908	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
1909	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
1910	) {	3120	) {
1911	no strict 'refs';	3121	no strict 'refs';
1912	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
1913	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1930	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
1931		3141
1932	my $qcode = $code;	3142	my $qcode = $code;
1933	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1934	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
1935		3147
1936	local $_;	3148	local $_;
1937	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
1938		3150
1939	my $eval =	3151	my $eval =
…		…
1982	=back	3194	=back
1983		3195
1984	=cut	3196	=cut
1985		3197
1986	#############################################################################	3198	#############################################################################
		3199	# the server's init and main functions
1987		3200
1988	=head2 EXTENSION DATABASE SUPPORT	3201	sub load_facedata($) {
		3202	my ($path) = @_;
1989		3203
1990	Crossfire maintains a very simple database for extension use. It can	3204	# HACK to clear player env face cache, we need some signal framework
1991	currently store anything that can be serialised using Storable, which	3205	# for this (global event?)
1992	excludes objects.	3206	%ext::player_env::MUSIC_FACE_CACHE = ();
1993		3207
1994	The parameter C<$family> should best start with the name of the extension	3208	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1995	using it, it should be unique.
1996		3209
1997	=over 4	3210	warn "loading facedata from $path\n";
1998		3211
1999	=item $hashref = cf::db_get $family	3212	my $facedata;
		3213	0 < aio_load $path, $facedata
		3214	or die "$path: $!";
2000		3215
2001	Return a hashref for use by the extension C<$family>, which can be	3216	$facedata = Coro::Storable::thaw $facedata;
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004		3217
2005	=item $value = cf::db_get $family => $key	3218	$facedata->{version} == 2
		3219	or cf::cleanup "$path: version mismatch, cannot proceed.";
2006		3220
2007	Returns a single value from the database	3221	# patch in the exptable
2008		3222	$facedata->{resource}{"res/exp_table"} = {
2009	=item cf::db_put $family => $hashref	3223	type => FT_RSRC,
2010		3224	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013
2014	=item cf::db_put $family => $key => $value
2015
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026
2027	=cut
2028
2029	our $DB;
2030
2031	{
2032	my $path = cf::localdir . "/database.pst";
2033
2034	sub db_load() {
2035	$DB = stat $path ? Storable::retrieve $path : { };
2036	}
2037
2038	my $pid;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});	3225	};
		3226	cf::cede_to_tick;
2060		3227
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}	3228	{
		3229	my $faces = $facedata->{faceinfo};
2065		3230
2066	sub db_get($;$) {	3231	while (my ($face, $info) = each %$faces) {
2067	@_ >= 2	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071		3233
2072	sub db_put($$;$) {	3234	cf::face::set_visibility $idx, $info->{visibility};
2073	if (@_ >= 3) {	3235	cf::face::set_magicmap $idx, $info->{magicmap};
2074	$DB->{$_[0]}{$_[1]} = $_[2];	3236	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2075	} else {	3237	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080		3238
2081	cf::global->attach (	3239	cf::cede_to_tick;
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	3240	}
2086	);
2087	}
2088		3241
2089	#############################################################################	3242	while (my ($face, $info) = each %$faces) {
2090	# the server's main()	3243	next unless $info->{smooth};
2091		3244
2092	sub cfg_load {	3245	my $idx = cf::face::find $face
		3246	or next;
		3247
		3248	if (my $smooth = cf::face::find $info->{smooth}) {
		3249	cf::face::set_smooth $idx, $smooth;
		3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3251	} else {
		3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3253	}
		3254
		3255	cf::cede_to_tick;
		3256	}
		3257	}
		3258
		3259	{
		3260	my $anims = $facedata->{animinfo};
		3261
		3262	while (my ($anim, $info) = each %$anims) {
		3263	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3264	cf::cede_to_tick;
		3265	}
		3266
		3267	cf::anim::invalidate_all; # d'oh
		3268	}
		3269
		3270	{
		3271	# TODO: for gcfclient pleasure, we should give resources
		3272	# that gcfclient doesn't grok a >10000 face index.
		3273	my $res = $facedata->{resource};
		3274
		3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
		3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3278	my $data;
		3279
		3280	if ($info->{type} & 1) {
		3281	# prepend meta info
		3282
		3283	my $meta = $enc->encode ({
		3284	name => $name,
		3285	%{ $info->{meta} || {} },
		3286	});
		3287
		3288	$data = pack "(w/a*)*", $meta, $info->{data};
		3289	} else {
		3290	$data = $info->{data};
		3291	}
		3292
		3293	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3294	cf::face::set_type $idx, $info->{type};
		3295	} else {
		3296	$RESOURCE{$name} = $info;
		3297	}
		3298
		3299	cf::cede_to_tick;
		3300	}
		3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3304
		3305	1
		3306	}
		3307
		3308	cf::global->attach (on_resource_update => sub {
		3309	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3310	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3311
		3312	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3313	my $sound = $soundconf->{compat}[$_]
		3314	or next;
		3315
		3316	my $face = cf::face::find "sound/$sound->[1]";
		3317	cf::sound::set $sound->[0] => $face;
		3318	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3319	}
		3320
		3321	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3322	my $face = cf::face::find "sound/$v";
		3323	cf::sound::set $k => $face;
		3324	}
		3325	}
		3326	});
		3327
		3328	register_exticmd fx_want => sub {
		3329	my ($ns, $want) = @_;
		3330
		3331	while (my ($k, $v) = each %$want) {
		3332	$ns->fx_want ($k, $v);
		3333	}
		3334	};
		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
		3345
		3346	sub reload_regions {
		3347	# HACK to clear player env face cache, we need some signal framework
		3348	# for this (global event?)
		3349	%ext::player_env::MUSIC_FACE_CACHE = ();
		3350
		3351	load_resource_file "$MAPDIR/regions"
		3352	or die "unable to load regions file\n";
		3353
		3354	for (cf::region::list) {
		3355	$_->{match} = qr/$_->{match}/
		3356	if exists $_->{match};
		3357	}
		3358	}
		3359
		3360	sub reload_facedata {
		3361	load_facedata "$DATADIR/facedata"
		3362	or die "unable to load facedata\n";
		3363	}
		3364
		3365	sub reload_archetypes {
		3366	load_resource_file "$DATADIR/archetypes"
		3367	or die "unable to load archetypes\n";
		3368	}
		3369
		3370	sub reload_treasures {
		3371	load_resource_file "$DATADIR/treasures"
		3372	or die "unable to load treasurelists\n";
		3373	}
		3374
		3375	sub reload_resources {
		3376	warn "reloading resource files...\n";
		3377
		3378	reload_facedata;
		3379	reload_archetypes;
		3380	reload_regions;
		3381	reload_treasures;
		3382
		3383	warn "finished reloading resource files\n";
		3384	}
		3385
		3386	sub reload_config {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
2094	or return;	3388	or return;
2095		3389
2096	local $/;	3390	local $/;
2097	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
2098		3392
2099	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2100		3394
2101	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3395	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2102	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3396	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2108	};	3402	};
2109	warn $@ if $@;	3403	warn $@ if $@;
2110	}	3404	}
2111	}	3405	}
2112		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
2113	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
2114	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2117	async { Event::one_event };	3453	(async {
		3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
		3456	})->prio (Coro::PRIO_MAX);
2118	};	3457	};
2119		3458
2120	cfg_load;	3459	evthread_start IO::AIO::poll_fileno;
2121	db_load;	3460
		3461	cf::sync_job {
		3462	reload_resources;
		3463	reload_config;
		3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
2122	load_extensions;	3477	load_extensions;
2123	Event::loop;	3478
		3479	utime time, time, $RUNTIMEFILE;
		3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
2124	}	3489	}
2125		3490
2126	#############################################################################	3491	#############################################################################
2127	# initialisation	3492	# initialisation and cleanup
2128		3493
		3494	# install some emergency cleanup handlers
		3495	BEGIN {
		3496	our %SIGWATCHER = ();
		3497	for my $signal (qw(INT HUP TERM)) {
		3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3499	cf::cleanup "SIG$signal";
		3500	};
		3501	}
		3502	}
		3503
		3504	sub write_runtime_sync {
		3505	# first touch the runtime file to show we are still running:
		3506	# the fsync below can take a very very long time.
		3507
		3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3509
		3510	my $guard = cf::lock_acquire "write_runtime";
		3511
		3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3513	or return;
		3514
		3515	my $value = $cf::RUNTIME + 90 + 10;
		3516	# 10 is the runtime save interval, for a monotonic clock
		3517	# 60 allows for the watchdog to kill the server.
		3518
		3519	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3520	and return;
		3521
		3522	# always fsync - this file is important
		3523	aio_fsync $fh
		3524	and return;
		3525
		3526	# touch it again to show we are up-to-date
		3527	aio_utime $fh, undef, undef;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3533	and return;
		3534
		3535	warn "runtime file written.\n";
		3536
		3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
		3588	}
		3589
		3590	sub emergency_save() {
		3591	my $freeze_guard = cf::freeze_mainloop;
		3592
		3593	warn "emergency_perl_save: enter\n";
		3594
		3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
		3601	# use a peculiar iteration method to avoid tripping on perl
		3602	# refcount bugs in for. also avoids problems with players
		3603	# and maps saved/destroyed asynchronously.
		3604	warn "emergency_perl_save: begin player save\n";
		3605	for my $login (keys %cf::PLAYER) {
		3606	my $pl = $cf::PLAYER{$login} or next;
		3607	$pl->valid or next;
		3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3609	$pl->save;
		3610	}
		3611	warn "emergency_perl_save: end player save\n";
		3612
		3613	warn "emergency_perl_save: begin map save\n";
		3614	for my $path (keys %cf::MAP) {
		3615	my $map = $cf::MAP{$path} or next;
		3616	$map->valid or next;
		3617	$map->save;
		3618	}
		3619	warn "emergency_perl_save: end map save\n";
		3620
		3621	warn "emergency_perl_save: begin database checkpoint\n";
		3622	BDB::db_env_txn_checkpoint $DB_ENV;
		3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
		3628	};
		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
		3635	warn "emergency_perl_save: leave\n";
		3636	}
		3637
		3638	sub post_cleanup {
		3639	my ($make_core) = @_;
		3640
		3641	warn Carp::longmess "post_cleanup backtrace"
		3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
		3672	}
		3673
2129	sub reload() {	3674	sub do_reload_perl() {
2130	# can/must only be called in main	3675	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	3677	warn "can only reload from main coroutine";
2133	return;	3678	return;
2134	}	3679	}
2135		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
2136	warn "reloading...";	3686	warn "reloading...";
2137		3687
2138	my $guard = freeze_mainloop;	3688	warn "entering sync_job";
		3689
		3690	cf::sync_job {
		3691	cf::write_runtime_sync; # external watchdog should not bark
2139	cf::emergency_save;	3692	cf::emergency_save;
		3693	cf::write_runtime_sync; # external watchdog should not bark
2140		3694
2141	eval {	3695	warn "syncing database to disk";
		3696	BDB::db_env_txn_checkpoint $DB_ENV;
		3697
2142	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
2143		3699
2144	# cancel all watchers	3700	warn "flushing outstanding aio requests";
2145	for (Event::all_watchers) {	3701	while (IO::AIO::nreqs || BDB::nreqs) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2147	}
2148
2149	# cancel all extension coros
2150	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();
2152
2153	# unload all extensions
2154	for (@exts) {
2155	warn "unloading <$_>";
2156	unload_extension $_;
2157	}
2158
2159	# unload all modules loaded from $LIBDIR
2160	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162
2163	warn "removing <$k>";
2164	delete $INC{$k};
2165
2166	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;
2168
2169	if (my $cb = $k->can ("unload_module")) {
2170	$cb->();
2171	}	3703	}
2172		3704
2173	Symbol::delete_package $k;	3705	warn "cancelling all extension coros";
		3706	$_->cancel for values %EXT_CORO;
		3707	%EXT_CORO = ();
		3708
		3709	warn "removing commands";
		3710	%COMMAND = ();
		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
		3718	warn "... unloading $pkg";
		3719
		3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
		3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
2174	}	3729	}
2175		3730
2176	# sync database to disk	3731	warn "unloading all perl modules loaded from $LIBDIR";
2177	cf::db_sync;	3732	while (my ($k, $v) = each %INC) {
2178	IO::AIO::flush;	3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2179		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
		3746	}
		3747
2180	# get rid of safe::, as good as possible	3748	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		3751
2184	# remove register_script_function callbacks	3752	warn "unloading cf.pm \"a bit\"";
2185	# TODO
2186
2187	# unload cf.pm "a bit"
2188	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
		3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2189		3755
2190	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
2191	# and global variables created in xs	3757	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
2193		3759
2194	# reload cf.pm	3760	warn "unload completed, starting to reload now";
		3761
2195	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
2196	require cf;	3763	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl_1;
2198		3765
2199	# load config and database again	3766	warn "loading config and database again";
2200	cf::cfg_load;	3767	cf::reload_config;
2201	cf::db_load;
2202		3768
2203	# load extensions
2204	warn "load extensions";	3769	warn "loading extensions";
2205	cf::load_extensions;	3770	cf::load_extensions;
2206		3771
2207	# reattach attachments to objects	3772	if ($REATTACH_ON_RELOAD) {
2208	warn "reattach";	3773	warn "reattaching attachments to objects/players";
2209	_global_reattach;	3774	_global_reattach; # objects, sockets
		3775	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
		3777	warn "reattaching attachments to players";
		3778	reattach $_ for values %PLAYER;
		3779	}
		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
		3784	warn "leaving sync_job";
		3785
		3786	1
		3787	} or do {
		3788	warn $@;
		3789	cf::cleanup "error while reloading, exiting.";
		3790	};
		3791
		3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
		3798	};
		3799
		3800	our $RELOAD_WATCHER; # used only during reload
		3801
		3802	sub reload_perl() {
		3803	# doing reload synchronously and two reloads happen back-to-back,
		3804	# coro crashes during coro_state_free->destroy here.
		3805
		3806	$RELOAD_WATCHER ||= cf::async {
		3807	Coro::AIO::aio_wait cache_extensions;
		3808
		3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3810	do_reload_perl;
		3811	undef $RELOAD_WATCHER;
		3812	};
2211	};	3813	};
2212
2213	if ($@) {
2214	warn $@;
2215	warn "error while reloading, exiting.";
2216	exit 1;
2217	}
2218
2219	warn "reloaded successfully";
2220	};
2221
2222	#############################################################################
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}	3814	}
2264
2265	register "<global>", __PACKAGE__;
2266		3815
2267	register_command "reload" => sub {	3816	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
2269		3818
2270	if ($who->flag (FLAG_WIZ)) {	3819	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");
2272	reload;
2273	$who->message ("end of reload.");	3820	$who->message ("reloading server.");
		3821	async {
		3822	$Coro::current->{desc} = "perl_reload";
		3823	reload_perl;
		3824	};
2274	}	3825	}
2275	};	3826	};
2276		3827
2277	unshift @INC, $LIBDIR;	3828	unshift @INC, $LIBDIR;
2278		3829
2279	$TICK_WATCHER = Event->timer (	3830	my $bug_warning = 0;
2280	reentrant => 0,	3831
2281	prio => 0,	3832	our @WAIT_FOR_TICK;
2282	at => $NEXT_TICK || $TICK,	3833	our @WAIT_FOR_TICK_BEGIN;
2283	data => WF_AUTOCANCEL,	3834
2284	cb => sub {	3835	sub wait_for_tick {
		3836	return if tick_inhibit || $Coro::current == $Coro::main;
		3837
		3838	my $signal = new Coro::Signal;
		3839	push @WAIT_FOR_TICK, $signal;
		3840	$signal->wait;
		3841	}
		3842
		3843	sub wait_for_tick_begin {
		3844	return if tick_inhibit || $Coro::current == $Coro::main;
		3845
		3846	my $signal = new Coro::Signal;
		3847	push @WAIT_FOR_TICK_BEGIN, $signal;
		3848	$signal->wait;
		3849	}
		3850
		3851	sub tick {
		3852	if ($Coro::current != $Coro::main) {
		3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3854	unless ++$bug_warning > 10;
		3855	return;
		3856	}
		3857
2285	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;
2288		3859
2289	# if we are delayed by four ticks or more, skip them all	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2291		3862	Coro::async_pool {
2292	$TICK_WATCHER->at ($NEXT_TICK);	3863	$Coro::current->{desc} = "runtime saver";
2293	$TICK_WATCHER->start;
2294	},
2295	);
2296
2297	IO::AIO::max_poll_time $TICK * 0.2;
2298
2299	Event->io (
2300	fd => IO::AIO::poll_fileno,
2301	poll => 'r',
2302	prio => 5,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,
2309	after => 0,
2310	interval => 10,
2311	cb => sub {
2312	(Coro::unblock_sub {
2313	write_runtime	3864	write_runtime_sync
2314	or warn "ERROR: unable to write runtime file: $!";	3865	or warn "ERROR: unable to write runtime file: $!";
2315	})->();	3866	};
2316	},	3867	}
2317	);	3868
		3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3870	$sig->send;
		3871	}
		3872	while (my $sig = shift @WAIT_FOR_TICK) {
		3873	$sig->send;
		3874	}
		3875
		3876	$LOAD = ($NOW - $TICK_START) / $TICK;
		3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3878
		3879	if (0) {
		3880	if ($NEXT_TICK) {
		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
		3885	}
		3886	}
		3887
		3888	{
		3889	# configure BDB
		3890
		3891	BDB::min_parallel 8;
		3892	BDB::max_poll_reqs $TICK * 0.1;
		3893	$AnyEvent::BDB::WATCHER->priority (1);
		3894
		3895	unless ($DB_ENV) {
		3896	$DB_ENV = BDB::db_env_create;
		3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3902
		3903	cf::sync_job {
		3904	eval {
		3905	BDB::db_env_open
		3906	$DB_ENV,
		3907	$BDBDIR,
		3908	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3909	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3910	0666;
		3911
		3912	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3913	};
		3914
		3915	cf::cleanup "db_env_open(db): $@" if $@;
		3916	};
		3917	}
		3918
		3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3920	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3921	};
		3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3924	};
		3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3927	};
		3928	}
		3929
		3930	{
		3931	# configure IO::AIO
		3932
		3933	IO::AIO::min_parallel 8;
		3934	IO::AIO::max_poll_time $TICK * 0.1;
		3935	undef $AnyEvent::AIO::WATCHER;
		3936	}
		3937
		3938	my $_log_backtrace;
		3939
		3940	sub _log_backtrace {
		3941	my ($msg, @addr) = @_;
		3942
		3943	$msg =~ s/\n//;
		3944
		3945	# limit the # of concurrent backtraces
		3946	if ($_log_backtrace < 2) {
		3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
		3949	async {
		3950	$Coro::current->{desc} = "abt $msg";
		3951
		3952	my @bt = fork_call {
		3953	@addr = map { sprintf "%x", $_ } @addr;
		3954	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3955	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3956	or die "addr2line: $!";
		3957
		3958	my @funcs;
		3959	my @res = <$fh>;
		3960	chomp for @res;
		3961	while (@res) {
		3962	my ($func, $line) = splice @res, 0, 2, ();
		3963	push @funcs, "[$func] $line";
		3964	}
		3965
		3966	@funcs
		3967	};
		3968
		3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3971	LOG llevInfo, "[ABT] $_\n" for @bt;
		3972	--$_log_backtrace;
		3973	};
		3974	} else {
		3975	LOG llevInfo, "[ABT] $msg\n";
		3976	LOG llevInfo, "[ABT] [suppressed]\n";
		3977	}
		3978	}
		3979
		3980	# load additional modules
		3981	require "cf/$_.pm" for @EXTRA_MODULES;
		3982	cf::_connect_to_perl_2;
2318		3983
2319	END { cf::emergency_save }	3984	END { cf::emergency_save }
2320		3985
2321	1	3986	1
2322		3987

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