ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.534 by root, Thu Apr 29 08:13:51 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
27	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
28		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		77
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
48	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	93	our @EVENT;
50	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
51		96
52	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	98	our $DATADIR = datadir;
54	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	121	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
59		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
62		130
63	our %CFG;	131	our %CFG;
64		132
65	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
67		136
68	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		140
77	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
80	binmode STDOUT;	154	binmode STDOUT;
81	binmode STDERR;	155	binmode STDERR;
82		156
83	# read virtual server time, if available	157	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
88	}	162	}
89		163
90	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	165
92	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		168
97	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
98		170
99	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
100		187
101	#############################################################################	188	#############################################################################
102		189
103	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
104		191
…		…
111	=item $cf::RUNTIME	198	=item $cf::RUNTIME
112		199
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	201	every server tick.
115		202
116	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		206
118	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
120		211
121	=item $cf::NOW	212	=item $cf::NOW
122		213
123	The time of the last (current) server tick.	214	The time of the last (current) server tick.
124		215
125	=item $cf::TICK	216	=item $cf::TICK
126		217
127	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
128		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
129	=item %cf::CFG	230	=item %cf::CFG
130		231
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	233	from wherever your confdir points to.
133		234
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		236
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
140		252
141	=back	253	=back
142		254
143	=cut	255	=cut
144		256
145	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
146	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
147	my $msg = join "", @_;	264	my $msg = join "", @_;
148	utf8::encode $msg;
149		265
150	$msg .= "\n"	266	$msg .= "\n"
151	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
152		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
153	LOG llevError, $msg;	271	LOG llevWarn, $msg;
154	};	272	};
155	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
156		287
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		295
164	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	297	# within the Safe compartment.
166	for my $pkg (qw(	298	for my $pkg (qw(
167	cf::global cf::attachable	299	cf::global cf::attachable
168	cf::object cf::object::player	300	cf::object cf::object::player
169	cf::client cf::player	301	cf::client cf::player
170	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
171	cf::map cf::party cf::region	304	cf::party cf::region
172	)) {	305	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	307	}
176		308
177	$Event::DIED = sub {	309	$EV::DIED = sub {
178	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
179	};	311	};
		312
		313	#############################################################################
180		314
181	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
182		316
183	=over 4	317	=over 4
184		318
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	338	$d
205	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
206	}	340	}
207		341
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
211		343
212	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
213		345
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
222		347
223	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
224		349
225	=cut	350	=cut
226		351
227	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
229	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
230	}	369	}
231		370
232	=item cf::lock_wait $string	371	=item cf::lock_wait $string
233		372
234	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
235		374
236	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
237		376
238	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
241	returned.	380	returned.
242		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
243	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
245		387
246	=cut	388	=item $locked = cf::lock_active $string
247		389
248	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
249		395
250	sub lock_wait($) {	396	sub lock_wait($) {
251	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	398	}
259		399
260	sub lock_acquire($) {	400	sub lock_acquire($) {
261	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
262		403
263	# wait, to be sure we are not locked	404	sub lock_active($) {
264	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	406	}
273		407
274	sub freeze_mainloop {	408	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
276		410
277	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
278	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
279	};	478	}
280	$TICK_WATCHER->stop;	479	};
281	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
282	}	494	}
283		495
284	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
285		497
286	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		503
292	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
293		505
294	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
295		507
296	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
299		512
300	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
303	fast or be very important.	516	fast or be very important.
…		…
305	=cut	518	=cut
306		519
307	sub sync_job(&) {	520	sub sync_job(&) {
308	my ($job) = @_;	521	my ($job) = @_;
309		522
310	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
311	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
313		528
314	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	530
316	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
317		532
318	my $busy = 1;	533	my $busy = 1;
319	my @res;	534	my @res;
320		535
321	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	538	@res = eval { $job->() };
323	warn $@ if $@;	539	error $@ if $@;
324	undef $busy;	540	undef $busy;
325	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
326		542
327	while ($busy) {	543	while ($busy) {
328	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
329	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
330		554
331	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
332	} else {	556	} else {
333	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
334		558
…		…
354	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
355		579
356	$coro	580	$coro
357	}	581	}
358		582
359	sub write_runtime {	583	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		584
362	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
363		589
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
365	or return;
366		591
367	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		594
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
372	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
373		598
374	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	600	reset_signals;
376	and return;	601	&$cb
		602	}, @args;
377		603
378	close $fh	604	wantarray ? @res : $res[-1]
379	or return;	605	}
380		606
381	aio_rename "$runtime~", $runtime	607	sub objinfo {
382	and return;
383
384	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	783	}
386		784
387	=back	785	=back
388		786
389	=cut	787	=cut
390		788
391	#############################################################################	789	#############################################################################
392		790
393	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
394		792
395	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
398		796
399	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	799	Deliantra).
402		800
403	=over 4	801	=over 4
404		802
405	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
406		804
…		…
450	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
451		849
452	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
454		852
455	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
457		855
458	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
459		857
460	=over 4	858	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
570		968
571	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		973
576	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	975	my $pkg = shift @arg;
578		976
579	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
584		982
585	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		985
588	} elsif (ref $type) {	986	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
590		988
591	} else {	989	} else {
592	shift @arg;	990	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
594	}	992	}
595	}	993	}
596	}	994	}
597		995
598	sub _object_attach {	996	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
609	}	1007	}
610		1008
611	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
612	} else {	1010	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1012	}
615		1013
616	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
617	}	1015	}
618		1016
…		…
620	if (ref $_[0]) {	1018	if (ref $_[0]) {
621	_object_attach @_;	1019	_object_attach @_;
622	} else {	1020	} else {
623	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
624	}	1022	}
		1023	_recalc_want;
625	};	1024	};
626		1025
627	# all those should be optimised	1026	# all those should be optimised
628	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1032	reattach ($obj);
634	} else {	1033	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
636	}	1035	}
		1036	_recalc_want;
637	};	1037	};
638		1038
639	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
641		1041
…		…
656	";	1056	";
657	die if $@;	1057	die if $@;
658	}	1058	}
659		1059
660	our $override;	1060	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1062
663	sub override {	1063	sub override {
664	$override = 1;	1064	$override = 1;
665	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
666	}	1066	}
667		1067
668	sub do_invoke {	1068	sub do_invoke {
669	my $event = shift;	1069	my $event = shift;
670	my $callbacks = shift;	1070	my $callbacks = shift;
671		1071
672	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
673		1073
674	local $override;	1074	local $override;
675		1075
676	for (@$callbacks) {	1076	for (@$callbacks) {
677	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
678		1078
679	if ($@) {	1079	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1081	override;
683	}	1082	}
684		1083
685	return 1 if $override;	1084	return 1 if $override;
686	}	1085	}
687		1086
688	0	1087	0
689	}	1088	}
690		1089
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1091
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1093
695	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
696		1095
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1099
701	=back	1100	=back
702		1101
703	=cut	1102	=cut
704		1103
705	#############################################################################	1104	#############################################################################
706	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
707		1148
708	sub reattach {	1149	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1151	my ($obj) = @_;
711		1152
		1153	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1155
714	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
715		1157
716	@$registry = ();	1158	@$registry = ();
717		1159
…		…
722	for (@$attach) {	1164	for (@$attach) {
723	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
725	}	1167	}
726	} else {	1168	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1170	}
729	}	1171	}
730	}	1172	}
731		1173
732	cf::attachable->attach (	1174	cf::attachable->attach (
733	prio => -1000000,	1175	prio => -1000000,
734	on_instantiate => sub {	1176	on_instantiate => sub {
735	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
736		1178
737	$data = from_json $data;	1179	$data = decode_json $data;
738		1180
739	for (@$data) {	1181	for (@$data) {
740	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
741		1183
742	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1200	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
760		1202
761	sync_job {	1203	sync_job {
762	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
765		1209
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
770	close $fh;	1217	aio_close $fh;
771		1218
772	if (@$objs) {	1219	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
778	close $fh;	1228	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
780	}	1230	}
781	} else {	1231	} else {
782	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
783	}	1233	}
784		1234
785	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1239	} else {
787	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
788	}	1241	}
789	} else {	1242	} else {
790	aio_unlink $filename;	1243	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
792	}	1245	}
793	}	1246	};
794	}	1247	}
795		1248
796	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
798		1251
…		…
810	or return;	1263	or return;
811		1264
812	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
814	or return;	1267	or return;
		1268
815	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
816	}	1271	}
817		1272
		1273	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
820	return ($data, $av);	1278	($data, $av)
821	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
822		1286
823	#############################################################################	1287	#############################################################################
824	# command handling &c	1288	# command handling &c
825		1289
826	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1304	}
841		1305
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1307
844	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
845		1313
846	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
847	called.	1315	called.
848		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
849	=cut	1328	=cut
850		1329
851	sub register_extcmd {	1330	sub register_extcmd {
852	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
853		1332
854	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
855	}	1334	}
856		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
857	cf::player->attach (	1344	cf::player->attach (
858	on_command => sub {	1345	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
860		1347
861	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
862	or return;	1349	or return;
863		1350
…		…
868	cf::override;	1355	cf::override;
869	},	1356	},
870	on_extcmd => sub {	1357	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
872		1359
873	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1361
875	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
881	} else {	1377	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1379	}
884		1380
885	cf::override;	1381	cf::override;
886	},	1382	},
887	);	1383	);
888		1384
		1385	# "readahead" all extensions
889	sub load_extension {	1386	sub cache_extensions {
890	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
891		1388
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1392	}
917	die $@;
918	}	1393	};
919		1394
920	push @EXTS, $pkg;	1395	$grp
921	}	1396	}
922		1397
923	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
924	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1405	next unless -r $path;
926	eval {	1406
927	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
928	1	1470	}
929	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
930	}	1481	};
931	}	1482	}
932		1483
933	#############################################################################	1484	#############################################################################
934		1485
		1486	=back
		1487
935	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
936		1489
937	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
938		1491
939	=cut	1492	=cut
940		1493
941	package cf::player;	1494	package cf::player;
942		1495
…		…
944		1497
945	=head3 cf::player	1498	=head3 cf::player
946		1499
947	=over 4	1500	=over 4
948		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
949	=item cf::player::find $login	1516	=item cf::player::find $login
950		1517
951	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
952		1519
953	=cut	1520	=cut
954		1521
955	sub playerdir($) {	1522	sub playerdir($) {
956	cf::localdir	1523	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1525	}
962		1526
963	sub path($) {	1527	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1529
966	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
967	}	1531	}
968		1532
969	sub find_active($) {	1533	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
974		1538
975	sub exists($) {	1539	sub exists($) {
976	my ($login) = @_;	1540	my ($login) = @_;
977		1541
978	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
980	}	1544	}
981		1545
982	sub find($) {	1546	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1548	my $login = $_[0];
985		1549
986	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
987		1551
988	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
990	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
992	}	1569	}
993	}	1570	}
994	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
995		1585
996	sub save($) {	1586	sub save($) {
997	my ($pl) = @_;	1587	my ($pl) = @_;
998		1588
999	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1004	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1005		1595
1006	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1008		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1009	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1010	Coro::cede;	1605	cf::cede_to_tick;
1011	}	1606	}
1012		1607
1013	sub new($) {	1608	sub new($) {
1014	my ($login) = @_;	1609	my ($login) = @_;
1015		1610
…		…
1021	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1022		1617
1023	$self	1618	$self
1024	}	1619	}
1025		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1026	=item $pl->quit_character	1631	=item $pl->quit_character
1027		1632
1028	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1030		1635
…		…
1034	my ($pl) = @_;	1639	my ($pl) = @_;
1035		1640
1036	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1037		1642
1038	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1645
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1045		1651
1046	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1078		1684
1079	=cut	1685	=cut
1080		1686
1081	sub list_logins {	1687	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1689	or return [];
1084		1690
1085	my @logins;	1691	my @logins;
1086		1692
1087	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1091		1703
1092	utf8::decode $login;	1704	utf8::decode $login;
1093	push @logins, $login;	1705	push @logins, $login;
1094	}	1706	}
1095		1707
1096	\@logins	1708	\@logins
1097	}	1709	}
1098		1710
1099	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1100		1714
1101	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1102	player. May block.	1716	player. May block.
1103		1717
1104	=cut	1718	=cut
…		…
1122	}	1736	}
1123		1737
1124	\@paths	1738	\@paths
1125	}	1739	}
1126		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1128		1746
1129	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1130		1748
1131	=cut	1749	=cut
1132		1750
1133	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1135		1753
1136	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1755	}
1140		1756
1141	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1142		1799
1143	=back	1800	=back
1144
1145		1801
1146	=head3 cf::map	1802	=head3 cf::map
1147		1803
1148	=over 4	1804	=over 4
1149		1805
…		…
1161	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1163		1819
1164	sub generate_random_map {	1820	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1166	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1826	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1171	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1172	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1196		1855
1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198	}	1857	}
1199		1858
1200	# also paths starting with '/'	1859	# also paths starting with '/'
1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1202		1861
1203	sub thawer_merge {	1862	sub thawer_merge {
1204	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1205		1864
1206	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1207	local $self->{path};	1866	local $self->{path};
1208	local $self->{load_path};	1867	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1868
1212	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1213	}	1870	}
1214		1871
1215	sub normalise {	1872	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1263	return $self;	1920	return $self;
1264	}	1921	}
1265	}	1922	}
1266		1923
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1925	()
1269	}	1926	}
1270		1927
1271	sub init {	1928	sub init {
1272	my ($self) = @_;	1929	my ($self) = @_;
…		…
1287		1944
1288	# the original (read-only) location	1945	# the original (read-only) location
1289	sub load_path {	1946	sub load_path {
1290	my ($self) = @_;	1947	my ($self) = @_;
1291		1948
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1293	}	1950	}
1294		1951
1295	# the temporary/swap location	1952	# the temporary/swap location
1296	sub save_path {	1953	sub save_path {
1297	my ($self) = @_;	1954	my ($self) = @_;
1298		1955
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1301	}	1958	}
1302		1959
1303	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1304	sub uniq_path {	1961	sub uniq_path {
1305	my ($self) = @_;	1962	my ($self) = @_;
1306		1963
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1309	}	1966	}
1310		1967
1311	# and all this just because we cannot iterate over	1968	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	1969	my ($self) = @_;
1315		1970
1316	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1318	}	1974	}
1319		1975
1320	sub unlink_save {	1976	sub unlink_save {
1321	my ($self) = @_;	1977	my ($self) = @_;
1322		1978
…		…
1327		1983
1328	sub load_header_from($) {	1984	sub load_header_from($) {
1329	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1330		1986
1331	utf8::encode $path;	1987	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1337		1996
1338	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1339		1998
1340	1	1999	1
1341	}	2000	}
…		…
1380	$self->load_header_orig	2039	$self->load_header_orig
1381	or return;	2040	or return;
1382	$self->prepare_orig;	2041	$self->prepare_orig;
1383	}	2042	}
1384		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1385	1	2050	1
1386	}	2051	}
1387		2052
1388	sub find;	2053	sub find;
1389	sub find {	2054	sub find {
1390	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1391		2056
1392	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1393		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1395		2061
1396	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1399	or return;	2064	or return;
1400		2065
1401	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1402		2067
1403	$map->load_header	2068	$map->load_header
1404	or return;	2069	or return;
1405		2070
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1409	$map->reset;	2076	$map->reset;
1410	undef $guard;
1411	return find $path;	2077	return find $path;
1412	}	2078	}
1413		2079
1414	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1415	}	2081	}
1416	}	2082	}
1417		2083
1418	sub pre_load { }	2084	sub pre_load { }
1419	sub post_load { }	2085	#sub post_load { } # XS
1420		2086
1421	sub load {	2087	sub load {
1422	my ($self) = @_;	2088	my ($self) = @_;
1423		2089
1424	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1425		2091
1426	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1428		2096
		2097	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2099
1431	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1432		2101
1433	$self->alloc;	2102	$self->alloc;
1434		2103
1435	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1436		2106
1437	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1438	or return;	2110	or return;
1439		2111
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1441	if delete $self->{load_original};	2113	if delete $self->{load_original};
1442		2114
1443	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2116	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2119	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1448	}	2123	}
1449	}	2124	}
1450		2125
1451	Coro::cede;	2126	$f->resolve_delayed_derefs;
1452		2127
		2128	cf::cede_to_tick;
1453	# now do the right thing for maps	2129	# now do the right thing for maps
1454	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2132	unless $self->difficulty;
1464	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1465	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2147	}
1467		2148
1468	$self->post_load;	2149	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2150	}
1472		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1473	sub customise_for {	2155	sub customise_for {
1474	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1475		2157
1476	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2159	if $self->per_player;
1478		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1479	$self	2164	$self
1480	}	2165	}
1481		2166
1482	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2168	sub load_neighbours {
1484	my ($map) = @_;	2169	my ($map) = @_;
1485		2170
1486	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1487		2172
1488	for (0 .. 3) {	2173	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1490	or next;	2175	or next;
1491	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1492	or next;	2177	or next;
1493	$neigh->load;	2178	$neigh->load;
1494		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2184	}
1498		2185
1499	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1501	or next;	2189	or next;
1502	$neigh->load;	2190	$neigh->load;
1503	}	2191	}
1504	}	2192	}
1505		2193
1506	sub find_sync {	2194	sub find_sync {
1507	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1508		2196
1509	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1510	}	2201	}
1511		2202
1512	sub do_load_sync {	2203	sub do_load_sync {
1513	my ($map) = @_;	2204	my ($map) = @_;
1514		2205
1515	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1516	}	2210	}
1517		2211
1518	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1520		2214
1521	sub find_async {	2215	sub find_async {
1522	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1523		2217
1524	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1525		2219
1526	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2222	}
1529		2223
1530	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1531	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1532	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2231	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2232	$map->load if $v;
		2233	}
1537		2234
1538	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1539	}	2236	}
1540	}	2237	}
1541	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1542	};	2239	};
1543	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1544		2241
1545	()	2242	()
1546	}	2243	}
1547		2244
		2245	# common code, used by both ->save and ->swapout
1548	sub save {	2246	sub _save {
1549	my ($self) = @_;	2247	my ($self) = @_;
1550
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1552		2248
1553	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1554		2250
1555	return unless $self->dirty;	2251	return unless $self->dirty;
1556		2252
…		…
1562	return if $self->{deny_save};	2258	return if $self->{deny_save};
1563		2259
1564	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1565		2261
1566	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1568	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1569		2268
1570	if ($uniq) {	2269	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2272	} else {
1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1575	}	2274	}
1576	}	2275	}
1577		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1578	sub swap_out {	2285	sub swap_out {
1579	my ($self) = @_;	2286	my ($self) = @_;
1580		2287
1581	# save first because save cedes
1582	$self->save;
1583
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1586	return if $self->players;	2292	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};
1589		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1590	$self->clear;	2303	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2304	}
1593		2305
1594	sub reset_at {	2306	sub reset_at {
1595	my ($self) = @_;	2307	my ($self) = @_;
1596		2308
1597	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1600		2311
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2314
…		…
1614	my ($self) = @_;	2325	my ($self) = @_;
1615		2326
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2328
1618	return if $self->players;	2329	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2330
1621	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
1622		2332
1623	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1624		2334
1625	# need to save uniques path	2335	# need to save uniques path
1626	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2340	if $uniq;
1631	}	2341	}
1632		2342
1633	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1634		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2347	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2348
1639	$self->unlink_save;	2349	$self->unlink_save;
1640	$self->destroy;	2350	$self->destroy;
1641	}	2351	}
1642		2352
1643	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1644		2354
1645	sub nuke {	2355	sub nuke {
1646	my ($self) = @_;	2356	my ($self) = @_;
1647		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1648	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1649		2362
1650	$self->unlink_save;	2363	$self->unlink_save;
1651		2364
1652	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1653	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2370
1658	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1659		2373
1660	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1661	}	2411	}
1662		2412
1663	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1664		2414
1665	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2416	instantiated unique items. May block.
1667		2417
1668	=cut	2418	=cut
1669		2419
1670	sub unique_maps() {	2420	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1672	or return;	2422	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2423	utf8::decode $_;
1678	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2426	? ()
1681	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2429	]
1683
1684	\@paths
1685	}	2430	}
1686		2431
1687	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1688		2463
1689	=back	2464	=back
1690		2465
1691	=head3 cf::object	2466	=head3 cf::object
1692		2467
…		…
1696		2471
1697	=over 4	2472	=over 4
1698		2473
1699	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1700		2475
1701	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1702		2478
1703	=cut	2479	=cut
1704		2480
1705	sub inv_recursive_;	2481	sub inv_recursive_;
1706	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1709		2485
1710	sub inv_recursive {	2486	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1712	}	2488	}
1713		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1714	package cf;	2518	package cf;
1715		2519
1716	=back	2520	=back
1717		2521
1718	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1727		2531
1728	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1729		2547
1730	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2549	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1735		2553
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2555
1738	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1740	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1743	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1744	}	2581	}
1745		2582
1746	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1747		2584
1748	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1761		2598
1762	=item $player_object->enter_link	2599	=item $player_object->enter_link
1763		2600
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2602
1766	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1768		2607
1769	Will never block.	2608	Will never block.
1770		2609
1771	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1772		2611
…		…
1792	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1793	my ($self) = @_;	2632	my ($self) = @_;
1794		2633
1795	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1796		2635
		2636	++$self->{_link_recursion};
		2637
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2639
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1801		2642
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1803	}	2644	}
1804		2645
1805	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1807		2650
1808	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1809		2652
1810	unless ($map) {	2653	unless ($map) {
1811	# restore original map position	2654	# restore original map position
…		…
1822	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1823	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1824		2667
1825	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1828		2671
1829	$map->load;	2672	$map->load;
1830	$map->load_diag;	2673	$map->load_neighbours;
1831		2674
1832	return unless $self->contr->active;	2675	return unless $self->contr->active;
1833	$self->activate_recursive;
1834		2676
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
1837	}	2679	# entering was successful
1838		2680	delete $self->{_link_recursion};
1839	cf::player->attach (	2681	# only activate afterwards, to support waiting in hooks
1840	on_logout => sub {	2682	$self->activate_recursive;
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},	2683	}
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2684
1853	# try to abort aborted map switching on player login :)	2685	}
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2686
1871	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1872		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1873	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1874		2701
1875	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2713
1878	$self->enter_link;	2714	$self->enter_link;
1879		2715
1880	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1881	my $map = eval {	2738	my $map = eval {
1882	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1884	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2754	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1889	})->prio (1);	2762	})->prio (1);
1890	}	2763	}
1891		2764
1892	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1893		2766
…		…
1913	}	2786	}
1914		2787
1915	sub prepare_random_map {	2788	sub prepare_random_map {
1916	my ($exit) = @_;	2789	my ($exit) = @_;
1917		2790
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2793	# that depends on the exit object
1923		2794
1924	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2797	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1931	}	2804	}
1932		2805
1933	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1934		2807
1935	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1938		2811
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2814	undef $fh;
1942	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1943		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1946	}	2823	}
1947	}	2824	}
1948		2825
1949	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1951		2828
1952	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1953		2830
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2831	$self->enter_link;
1964		2832
1965	(async {	2833	(async {
1966	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1967	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1968	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1969		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1970	1;	2857	1
1971	}) {	2858	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2863
1977	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1978	$self->leave_link;	2865	$self->leave_link;
1979	}	2866	}
1980	})->prio (1);	2867	})->prio (1);
1981	}	2868	}
1982		2869
…		…
1993		2880
1994	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1996		2883
1997	utf8::encode $text;	2884	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2886	}
2000		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
2001		3109
2002	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2003		3111
2004	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		3115
2008	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	3117	become reliable at some point in the future.
2010		3118
2011	=cut	3119	=cut
2012		3120
2013	sub cf::client::query {	3121	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	3130	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		3132
2025	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2027	}	3137	}
2028		3138
2029	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2030	on_reply => sub {	3145	on_reply => sub {
2031	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2032		3147
2033	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2034	# get handled first	3149	# get handled first
…		…
2046	} else {	3161	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3163	}
2049	}	3164	}
2050	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2051	);	3192	);
2052		3193
2053	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2054		3195
2055	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071		3212
2072	$coro	3213	$coro
2073	}	3214	}
2074		3215
2075	cf::client->attach (	3216	cf::client->attach (
2076	on_destroy => sub {	3217	on_client_destroy => sub {
2077	my ($ns) = @_;	3218	my ($ns) = @_;
2078		3219
2079	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2080	},	3221	},
2081	);	3222	);
…		…
2096	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2098		3239
2099	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2100		3241
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2102		3247
2103	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2104		3249
2105	=pod	3250	=pod
2106		3251
2107	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2108		3253
2109	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2110	cf::object::player player	3259	cf::object::player
2111	cf::player peaceful	3260	player
2112	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2113		3267
2114	=cut	3268	=cut
2115		3269
2116	for (	3270	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2121	) {	3277	) {
2122	no strict 'refs';	3278	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2142		3298
2143	my $qcode = $code;	3299	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2146		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2147	local $_;	3306	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;
2149		3307
2150	my $eval =	3308	my $eval =
2151	"do {\n"	3309	"do {\n"
2152	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2153	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2154	. $code	3312	. $code
2155	. "\n}"	3313	. "\n}"
2156	;	3314	;
2157		3315
		3316	if ($CFG{safe_eval}) {
2158	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2159	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2160	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2161		3325
2162	if ($@) {	3326	if ($@) {
2163	warn "$@";	3327	warn "$@",
2164	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2165	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2166	}	3330	}
2167		3331
2168	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2169	}	3333	}
2170		3334
…		…
2184	=cut	3348	=cut
2185		3349
2186	sub register_script_function {	3350	sub register_script_function {
2187	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2188		3352
2189	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2190	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2191	}	3355	}
2192		3356
2193	=back	3357	=back
2194		3358
2195	=cut	3359	=cut
2196
2197	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268		3360
2269	#############################################################################	3361	#############################################################################
2270	# the server's init and main functions	3362	# the server's init and main functions
2271		3363
2272	sub load_faces {	3364	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3365	my ($path) = @_;
2274		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2275	warn "loading faces from $path\n";	3373	trace "loading facedata from $path\n";
2276		3374
2277	my $faces;	3375	my $facedata;
2278	0 < aio_load $path, $faces	3376	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3377	or die "$path: $!";
2280		3378
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3379	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3380
		3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
		3393	{
		3394	my $faces = $facedata->{faceinfo};
		3395
2285	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3398
		3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2289	Coro::cede;	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3403
		3404	cf::cede_to_tick;
		3405	}
		3406
		3407	while (my ($face, $info) = each %$faces) {
		3408	next unless $info->{smooth};
		3409
		3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
2290	}	3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3453
2292	1	3454	1
2293	}	3455	}
2294		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2295	sub reload_resources {	3527	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3528	trace "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3529
2298	load_faces	3530	reload_facedata;
2299	or die "unable to load faces\n";#d#	3531	reload_sound;
2300	}	3532	reload_archetypes;
2301
2302	sub init {
2303	reload_resources;	3533	reload_regions;
2304	}	3534	reload_treasures;
2305		3535
2306	sub cfg_load {	3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3543	or return;
2309		3544
2310	local $/;	3545	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2312		3547
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2314		3549
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2317		3552
2318	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2320	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2321	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2322	};	3557	};
2323	warn $@ if $@;	3558	warn $@ if $@;
2324	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2325	}	3590	}
2326		3591
2327	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2328	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3605	(async {
2332	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2334	};	3609	};
2335		3610
2336	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2337	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2338	load_extensions;	3634	load_extensions;
2339		3635
2340	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2342	}	3649	}
2343		3650
2344	#############################################################################	3651	#############################################################################
2345	# initialisation and cleanup	3652	# initialisation and cleanup
2346		3653
2347	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2348	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2357	},
2358	);	3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
2359	}	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2360	}	3750	}
2361		3751
2362	sub emergency_save() {	3752	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2364		3754
2365	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2366		3761
2367	cf::sync_job {	3762	cf::sync_job {
2368	# use a peculiar iteration method to avoid tripping on perl	3763	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3764	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3765	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3766	info "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3767	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3768	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3769	$pl->valid or next;
		3770	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3771	$pl->save;
2376	}	3772	}
2377	warn "end emergency player save\n";	3773	info "emergency_perl_save: end player save\n";
2378		3774
2379	warn "begin emergency map save\n";	3775	info "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3776	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3777	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3778	$map->valid or next;
2383	$map->save;	3779	$map->save;
2384	}	3780	}
2385	warn "end emergency map save\n";	3781	info "emergency_perl_save: end map save\n";
2386		3782
2387	warn "begin emergency database checkpoint\n";	3783	info "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3784	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3785	info "emergency_perl_save: end database checkpoint\n";
		3786
		3787	info "emergency_perl_save: begin write uuid\n";
		3788	write_uuid_sync 1;
		3789	info "emergency_perl_save: end write uuid\n";
2390	};	3790	};
2391		3791
2392	warn "leave emergency perl save\n";	3792	info "emergency_perl_save: starting sync()\n";
		3793	IO::AIO::aio_sync sub {
		3794	info "emergency_perl_save: finished sync()\n";
		3795	};
		3796
		3797	info "emergency_perl_save: leave\n";
2393	}	3798	}
2394		3799
2395	sub post_cleanup {	3800	sub post_cleanup {
2396	my ($make_core) = @_;	3801	my ($make_core) = @_;
2397		3802
2398	warn Carp::longmess "post_cleanup backtrace"	3803	error Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3804	if $make_core;
2400	}
2401		3805
		3806	my $fh = pidfile;
		3807	unlink $PIDFILE if <$fh> == $$;
		3808	}
		3809
		3810	# a safer delete_package, copied from Symbol
		3811	sub clear_package($) {
		3812	my $pkg = shift;
		3813
		3814	# expand to full symbol table name if needed
		3815	unless ($pkg =~ /^main::.*::$/) {
		3816	$pkg = "main$pkg" if $pkg =~ /^::/;
		3817	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3818	$pkg .= '::' unless $pkg =~ /::$/;
		3819	}
		3820
		3821	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3822	my $stem_symtab = *{$stem}{HASH};
		3823
		3824	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3825	or return;
		3826
		3827	# clear all symbols
		3828	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3829	for my $name (keys %$leaf_symtab) {
		3830	_gv_clear *{"$pkg$name"};
		3831	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3832	}
		3833	}
		3834
2402	sub reload() {	3835	sub do_reload_perl() {
2403	# can/must only be called in main	3836	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3837	if (in_main) {
2405	warn "can only reload from main coroutine";	3838	error "can only reload from main coroutine";
2406	return;	3839	return;
2407	}	3840	}
2408		3841
		3842	return if $RELOAD++;
		3843
		3844	my $t1 = AE::time;
		3845
		3846	while ($RELOAD) {
2409	warn "reloading...";	3847	info "reloading...";
2410		3848
2411	warn "entering sync_job";	3849	trace "entering sync_job";
2412		3850
2413	cf::sync_job {	3851	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark	3852	cf::write_runtime_sync; # external watchdog should not bark
2415	cf::emergency_save;	3853	cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark	3854	cf::write_runtime_sync; # external watchdog should not bark
2417		3855
2418	warn "syncing database to disk";	3856	trace "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3857	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3858
2421	# if anything goes wrong in here, we should simply crash as we already saved	3859	# if anything goes wrong in here, we should simply crash as we already saved
2422		3860
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3861	trace "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3862	while (IO::AIO::nreqs || BDB::nreqs) {
2434	warn "iterate...";	3863	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();
2442
2443	warn "removing commands";
2444	%COMMAND = ();
2445
2446	warn "removing ext commands";
2447	%EXTCMD = ();
2448
2449	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";
2452
2453	if (my $cb = $pkg->can ("unload")) {
2454	eval {
2455	$cb->($pkg);
2456	1
2457	} or warn "$pkg unloaded, but with errors: $@";
2458	}	3864	}
2459		3865
2460	warn "... nuking $pkg";	3866	trace "cancelling all extension coros";
2461	Symbol::delete_package $pkg;	3867	$_->cancel for values %EXT_CORO;
2462	}	3868	%EXT_CORO = ();
2463		3869
2464	warn "unloading all perl modules loaded from $LIBDIR";	3870	trace "removing commands";
2465	while (my ($k, $v) = each %INC) {	3871	%COMMAND = ();
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3872
		3873	trace "removing ext/exti commands";
		3874	%EXTCMD = ();
		3875	%EXTICMD = ();
		3876
		3877	trace "unloading/nuking all extensions";
		3878	for my $pkg (@EXTS) {
2468	warn "... unloading $k";	3879	trace "... unloading $pkg";
2469	delete $INC{$k};
2470		3880
2471	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;
2473
2474	if (my $cb = $k->can ("unload_module")) {	3881	if (my $cb = $pkg->can ("unload")) {
		3882	eval {
2475	$cb->();	3883	$cb->($pkg);
		3884	1
		3885	} or error "$pkg unloaded, but with errors: $@";
		3886	}
		3887
		3888	trace "... clearing $pkg";
		3889	clear_package $pkg;
2476	}	3890	}
2477		3891
2478	Symbol::delete_package $k;	3892	trace "unloading all perl modules loaded from $LIBDIR";
		3893	while (my ($k, $v) = each %INC) {
		3894	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3895
		3896	trace "... unloading $k";
		3897	delete $INC{$k};
		3898
		3899	$k =~ s/\.pm$//;
		3900	$k =~ s/\//::/g;
		3901
		3902	if (my $cb = $k->can ("unload_module")) {
		3903	$cb->();
		3904	}
		3905
		3906	clear_package $k;
2479	}	3907	}
2480		3908
2481	warn "getting rid of safe::, as good as possible";	3909	trace "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3910	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3911	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3912
2485	warn "unloading cf.pm \"a bit\"";	3913	trace "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3914	delete $INC{"cf.pm"};
		3915	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		3916
2488	# don't, removes xs symbols, too,	3917	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3918	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3919	#clear_package __PACKAGE__;
2491		3920
2492	warn "unload completed, starting to reload now";	3921	info "unload completed, starting to reload now";
2493		3922
2494	warn "reloading cf.pm";	3923	trace "reloading cf.pm";
2495	require cf;	3924	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3925	cf::_connect_to_perl_1;
2497		3926
2498	warn "loading config and database again";	3927	trace "loading config and database again";
2499	cf::cfg_load;	3928	cf::reload_config;
2500		3929
2501	warn "loading extensions";	3930	trace "loading extensions";
2502	cf::load_extensions;	3931	cf::load_extensions;
2503		3932
		3933	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	3934	trace "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3935	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3936	trace "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3937	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3938	trace "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3939	reattach $_ for values %PLAYER;
		3940	}
2510		3941
2511	warn "loading reloadable resources";	3942	trace "running post_init jobs";
2512	reload_resources;	3943	(pop @POST_INIT)->(1) while @POST_INIT;
2513		3944
2514	warn "leaving sync_job";	3945	trace "leaving sync_job";
2515		3946
2516	1	3947	1
2517	} or do {	3948	} or do {
2518	warn $@;	3949	error $@;
2519	warn "error while reloading, exiting.";	3950	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3951	};
		3952
		3953	info "reloaded";
		3954	--$RELOAD;
		3955	}
		3956
		3957	$t1 = AE::time - $t1;
		3958	info "reload completed in ${t1}s\n";
		3959	};
		3960
		3961	our $RELOAD_WATCHER; # used only during reload
		3962
		3963	sub reload_perl() {
		3964	# doing reload synchronously and two reloads happen back-to-back,
		3965	# coro crashes during coro_state_free->destroy here.
		3966
		3967	$RELOAD_WATCHER ||= cf::async {
		3968	Coro::AIO::aio_wait cache_extensions;
		3969
		3970	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3971	do_reload_perl;
		3972	undef $RELOAD_WATCHER;
		3973	};
2521	};	3974	};
2522		3975	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		3976
2528	register_command "reload" => sub {	3977	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3978	my ($who, $arg) = @_;
2530		3979
2531	if ($who->flag (FLAG_WIZ)) {	3980	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3981	$who->message ("reloading server.");
2533		3982	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3983	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3984	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3985	};
2546	}	3986	}
2547	};	3987	};
2548		3988
2549	unshift @INC, $LIBDIR;	3989	unshift @INC, $LIBDIR;
2550		3990
2551	my $bug_warning = 0;	3991	my $bug_warning = 0;
2552		3992
2553	$TICK_WATCHER = Event->timer (	3993	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3994	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3995
2556	prio => 0,	3996	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3997	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	3998
2559	cb => sub {	3999	my $signal = new Coro::Signal;
		4000	push @WAIT_FOR_TICK, $signal;
		4001	$signal->wait;
		4002	}
		4003
		4004	sub wait_for_tick_begin {
		4005	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4006
		4007	my $signal = new Coro::Signal;
		4008	push @WAIT_FOR_TICK_BEGIN, $signal;
		4009	$signal->wait;
		4010	}
		4011
		4012	sub tick {
2560	if ($Coro::current != $Coro::main) {	4013	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4014	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	4015	unless ++$bug_warning > 10;
2563	return;	4016	return;
2564	}	4017	}
2565		4018
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	4019	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		4020
		4021	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4022
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4023	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	4024	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	4025	Coro::async_pool {
		4026	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	4027	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	4028	or error "ERROR: unable to write runtime file: $!";
2577	};
2578	}	4029	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	4030	}
2592	);	4031
		4032	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4033	$sig->send;
		4034	}
		4035	while (my $sig = shift @WAIT_FOR_TICK) {
		4036	$sig->send;
		4037	}
		4038
		4039	$LOAD = ($NOW - $TICK_START) / $TICK;
		4040	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4041
		4042	if (0) {
		4043	if ($NEXT_TICK) {
		4044	my $jitter = $TICK_START - $NEXT_TICK;
		4045	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4046	debug "jitter $JITTER\n";#d#
		4047	}
		4048	}
		4049	}
2593		4050
2594	{	4051	{
2595	BDB::max_poll_time $TICK * 0.1;	4052	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	4053
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	4054	BDB::min_parallel 16;
2605		4055	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	4056	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		4057
2621	unless ($DB_ENV) {	4058	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	4059	$DB_ENV = BDB::db_env_create;
		4060	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4061	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4062	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4063	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4064	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		4065
2624	cf::sync_job {	4066	cf::sync_job {
2625	eval {	4067	eval {
2626	BDB::db_env_open	4068	BDB::db_env_open
2627	$DB_ENV,	4069	$DB_ENV,
2628	$BDB_ENV_DIR,	4070	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4071	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4072	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	4073	0666;
2632		4074
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4075	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	4076	};
2638		4077
2639	cf::cleanup "db_env_open(db): $@" if $@;	4078	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	4079	};
2641	}	4080	}
		4081
		4082	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4083	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4084	};
		4085	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4086	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4087	};
		4088	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4089	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4090	};
2642	}	4091	}
2643		4092
2644	{	4093	{
		4094	# configure IO::AIO
		4095
2645	IO::AIO::min_parallel 8;	4096	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	4097	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	4098	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	4099	}
		4100
		4101	my $_log_backtrace;
		4102
		4103	sub _log_backtrace {
		4104	my ($msg, @addr) = @_;
		4105
		4106	$msg =~ s/\n//;
		4107
		4108	# limit the # of concurrent backtraces
		4109	if ($_log_backtrace < 2) {
		4110	++$_log_backtrace;
		4111	my $perl_bt = Carp::longmess $msg;
		4112	async {
		4113	$Coro::current->{desc} = "abt $msg";
		4114
		4115	my @bt = fork_call {
		4116	@addr = map { sprintf "%x", $_ } @addr;
		4117	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4118	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4119	or die "addr2line: $!";
		4120
		4121	my @funcs;
		4122	my @res = <$fh>;
		4123	chomp for @res;
		4124	while (@res) {
		4125	my ($func, $line) = splice @res, 0, 2, ();
		4126	push @funcs, "[$func] $line";
		4127	}
		4128
		4129	@funcs
		4130	};
		4131
		4132	LOG llevInfo, "[ABT] $perl_bt\n";
		4133	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4134	LOG llevInfo, "[ABT] $_\n" for @bt;
		4135	--$_log_backtrace;
		4136	};
		4137	} else {
		4138	LOG llevInfo, "[ABT] $msg\n";
		4139	LOG llevInfo, "[ABT] [suppressed]\n";
		4140	}
		4141	}
		4142
		4143	# load additional modules
		4144	require "cf/$_.pm" for @EXTRA_MODULES;
		4145	cf::_connect_to_perl_2;
2658		4146
2659	END { cf::emergency_save }	4147	END { cf::emergency_save }
2660		4148
2661	1	4149	1
2662		4150

Diff Legend

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