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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use IO::AIO 2.32 ();
27	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
30		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
33	$Event::Eval = 1; # no idea why this is required, but it is	75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		78
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		80
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		82
42	our %COMMAND = ();	83	our %COMMAND = ();
43	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
44		85
45	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
49		91
50	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	93	our @EVENT;
52	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
53		96
54	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	98	our $DATADIR = datadir;
56	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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	121	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
61		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
64		130
65	our %CFG;	131	our %CFG;
66		132
67	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
69		136
70	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		140
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $REALLY_UNLOOP; # never set to true, please :)
		153
82	binmode STDOUT;	154	binmode STDOUT;
83	binmode STDERR;	155	binmode STDERR;
84		156
85	# read virtual server time, if available	157	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
90	}	162	}
91		163
92	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	165
94	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		168
99	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
100		170
101	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::"} };
102		187
103	#############################################################################	188	#############################################################################
104		189
105	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
106		191
…		…
113	=item $cf::RUNTIME	198	=item $cf::RUNTIME
114		199
115	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
116	every server tick.	201	every server tick.
117		202
118	=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
119		206
120	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		211
123	=item $cf::NOW	212	=item $cf::NOW
124		213
125	The time of the last (current) server tick.	214	The time of the last (current) server tick.
126		215
127	=item $cf::TICK	216	=item $cf::TICK
128		217
129	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	230	=item %cf::CFG
132		231
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	233	from wherever your confdir points to.
135		234
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		236
138	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
139	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 thread
140	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.
141	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
142		257
143	=back	258	=back
144		259
145	=cut	260	=cut
146		261
147	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
148	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
149	my $msg = join "", @_;	269	my $msg = join "", @_;
150	utf8::encode $msg;
151		270
152	$msg .= "\n"	271	$msg .= "\n"
153	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
154		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
155	LOG llevError, $msg;	276	LOG llevWarn, $msg;
156	};	277	};
157	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
158		292
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		300
166	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	302	# within the Safe compartment.
168	for my $pkg (qw(	303	for my $pkg (qw(
169	cf::global cf::attachable	304	cf::global cf::attachable
170	cf::object cf::object::player	305	cf::object cf::object::player
171	cf::client cf::player	306	cf::client cf::player
172	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
173	cf::map cf::party cf::region	309	cf::party cf::region
174	)) {	310	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	312	}
178		313
179	$Event::DIED = sub {	314	$EV::DIED = sub {
180	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
181	};	316	};
		317
		318	#############################################################################
182		319
183	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
184		321
185	=over 4	322	=over 4
186		323
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	343	$d
207	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
208	}	345	}
209		346
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
213		348
214	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
215		350
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
224		352
225	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
226		354
227	=cut	355	=cut
228		356
229	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
231	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
232	}	374	}
233		375
234	=item cf::lock_wait $string	376	=item cf::lock_wait $string
235		377
236	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
237		379
238	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
239		381
240	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
243	returned.	385	returned.
244		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
245	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
247		392
248	=cut	393	=item $locked = cf::lock_active $string
249		394
250	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
251		400
252	sub lock_wait($) {	401	sub lock_wait($) {
253	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	403	}
261		404
262	sub lock_acquire($) {	405	sub lock_acquire($) {
263	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
264		408
265	# wait, to be sure we are not locked	409	sub lock_active($) {
266	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	411	}
275		412
276	sub freeze_mainloop {	413	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
278		415
279	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
280	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
281	};	483	}
282	$TICK_WATCHER->stop;	484	};
283	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
284	}	499	}
285		500
286	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
287		502
288	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		508
294	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
295		510
296	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
297		512
298	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
301		517
302	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
305	fast or be very important.	521	fast or be very important.
…		…
307	=cut	523	=cut
308		524
309	sub sync_job(&) {	525	sub sync_job(&) {
310	my ($job) = @_;	526	my ($job) = @_;
311		527
312	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
313	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
315		533
316	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	535
318	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
319		537
320	my $busy = 1;	538	my $busy = 1;
321	my @res;	539	my @res;
322		540
323	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	543	@res = eval { $job->() };
325	warn $@ if $@;	544	error $@ if $@;
326	undef $busy;	545	undef $busy;
327	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
328		547
329	while ($busy) {	548	while ($busy) {
330	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
331	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
332		559
333	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
334	} else {	561	} else {
335	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
336		563
…		…
356	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
357		584
358	$coro	585	$coro
359	}	586	}
360		587
361	sub write_runtime {	588	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		589
364	my $runtime = cf::localdir . "/runtime";	590	Executes the given code block with the given arguments in a seperate
		591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
365		594
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	=cut
367	or return;
368		596
369	my $value = $cf::RUNTIME + 90 + 10;	597	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	598	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		599
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	600	# we seemingly have to make a local copy of the whole thing,
374	and return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
375		603
376	# always fsync - this file is important	604	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	605	reset_signals;
378	and return;	606	&$cb
		607	}, @args;
379		608
380	close $fh	609	wantarray ? @res : $res[-1]
381	or return;	610	}
382		611
383	aio_rename "$runtime~", $runtime	612	sub objinfo {
384	and return;
385
386	1	613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
		685
		686	our $DB;
		687
		688	sub db_init {
		689	$DB ||= db_table "db";
		690	}
		691
		692	sub db_get($$) {
		693	my $key = "$_[0]/$_[1]";
		694
		695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
		698	BDB::db_get $DB, undef, $key, my $data;
		699
		700	$! ? ()
		701	: $data
		702	}
		703
		704	sub db_put($$$) {
		705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
		708
		709	=item cf::cache $id => [$paths...], $processversion => $process
		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
		774	}
		775
		776	db_get cache => "$id/data"
		777	}
		778
		779	=item cf::datalog type => key => value, ...
		780
		781	Log a datalog packet of the given type with the given key-value pairs.
		782
		783	=cut
		784
		785	sub datalog($@) {
		786	my ($type, %kv) = @_;
		787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	788	}
388		789
389	=back	790	=back
390		791
391	=cut	792	=cut
392		793
393	#############################################################################	794	#############################################################################
394		795
395	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
396		797
397	Many objects in crossfire are so-called attachable objects. That means you can	798	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
400		801
401	In the following description, CLASS can be any of C<global>, C<object>	802	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	804	Deliantra).
404		805
405	=over 4	806	=over 4
406		807
407	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
408		809
…		…
452	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
453		854
454	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
456		857
457	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	859	that are attached at load/instantiate time, thus the need for a name.
459		860
460	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
461		862
462	=over 4	863	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	972	$registry = $CB_TYPE[$object_type] ||= [];
572		973
573	} elsif ($type eq "subtype") {	974	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	975	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	976	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	977	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		978
578	} elsif ($type eq "package") {	979	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	980	my $pkg = shift @arg;
580		981
581	while (my ($name, $id) = each %cb_id) {	982	while (my ($name, $id) = each %cb_id) {
…		…
586		987
587	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		990
590	} elsif (ref $type) {	991	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
592		993
593	} else {	994	} else {
594	shift @arg;	995	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
596	}	997	}
597	}	998	}
598	}	999	}
599		1000
600	sub _object_attach {	1001	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
611	}	1012	}
612		1013
613	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
614	} else {	1015	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1017	}
617		1018
618	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
619	}	1020	}
620		1021
…		…
622	if (ref $_[0]) {	1023	if (ref $_[0]) {
623	_object_attach @_;	1024	_object_attach @_;
624	} else {	1025	} else {
625	_attach shift->_attach_registry, @_;	1026	_attach shift->_attach_registry, @_;
626	}	1027	}
		1028	_recalc_want;
627	};	1029	};
628		1030
629	# all those should be optimised	1031	# all those should be optimised
630	sub cf::attachable::detach {	1032	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1033	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1036	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1037	reattach ($obj);
636	} else {	1038	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1039	Carp::croak "cannot, currently, detach class attachments";
638	}	1040	}
		1041	_recalc_want;
639	};	1042	};
640		1043
641	sub cf::attachable::attached {	1044	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1045	my ($obj, $name) = @_;
643		1046
…		…
658	";	1061	";
659	die if $@;	1062	die if $@;
660	}	1063	}
661		1064
662	our $override;	1065	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1066	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1067
665	sub override {	1068	sub override {
666	$override = 1;	1069	$override = 1;
667	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
668	}	1071	}
669		1072
670	sub do_invoke {	1073	sub do_invoke {
671	my $event = shift;	1074	my $event = shift;
672	my $callbacks = shift;	1075	my $callbacks = shift;
673		1076
674	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
675		1078
676	local $override;	1079	local $override;
677		1080
678	for (@$callbacks) {	1081	for (@$callbacks) {
679	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
680		1083
681	if ($@) {	1084	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1086	override;
685	}	1087	}
686		1088
687	return 1 if $override;	1089	return 1 if $override;
688	}	1090	}
689		1091
690	0	1092	0
691	}	1093	}
692		1094
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1096
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1098
697	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
698		1100
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1101	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1102	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1104
703	=back	1105	=back
704		1106
705	=cut	1107	=cut
706		1108
707	#############################################################################	1109	#############################################################################
708	# object support	1110	# object support
		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
		1145	sub _can_merge {
		1146	my ($ob1, $ob2) = @_;
		1147
		1148	++$SLOW_MERGES;#d#
		1149
		1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
		1152	}
709		1153
710	sub reattach {	1154	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1156	my ($obj) = @_;
713		1157
		1158	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1160
716	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
717		1162
718	@$registry = ();	1163	@$registry = ();
719		1164
…		…
724	for (@$attach) {	1169	for (@$attach) {
725	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
727	}	1172	}
728	} else {	1173	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1175	}
731	}	1176	}
732	}	1177	}
733		1178
734	cf::attachable->attach (	1179	cf::attachable->attach (
735	prio => -1000000,	1180	prio => -1000000,
736	on_instantiate => sub {	1181	on_instantiate => sub {
737	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
738		1183
739	$data = from_json $data;	1184	$data = decode_json $data;
740		1185
741	for (@$data) {	1186	for (@$data) {
742	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
743		1188
744	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1205	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
762		1207
763	sync_job {	1208	sync_job {
764	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
767		1214
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1218	if ($cf::USE_FSYNC) {
		1219	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;
		1220	aio_fsync $fh;
		1221	}
772	close $fh;	1222	aio_close $fh;
773		1223
774	if (@$objs) {	1224	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1229	if ($cf::USE_FSYNC) {
		1230	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;
		1231	aio_fsync $fh;
		1232	}
780	close $fh;	1233	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
782	}	1235	}
783	} else {	1236	} else {
784	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
785	}	1238	}
786		1239
787	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1244	} else {
789	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
790	}	1246	}
791	} else {	1247	} else {
792	aio_unlink $filename;	1248	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
794	}	1250	}
795	}	1251	};
796	}	1252	}
797		1253
798	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
800		1256
…		…
812	or return;	1268	or return;
813		1269
814	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
816	or return;	1272	or return;
		1273
817	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
818	}	1276	}
819		1277
		1278	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
822	return ($data, $av);	1283	($data, $av)
823	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
824		1291
825	#############################################################################	1292	#############################################################################
826	# command handling &c	1293	# command handling &c
827		1294
828	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1309	}
843		1310
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1312
846	Register a callbackf ro execution when the client sends an extcmd packet.	1313	Register a callback for execution when the client sends an (synchronous)
		1314	extcmd packet. Ext commands will be processed in the order they are
		1315	received by the server, like other user commands. The first argument is
		1316	the logged-in player. Ext commands can only be processed after a player
		1317	has logged in successfully.
847		1318
848	If the callback returns something, it is sent back as if reply was being	1319	If the callback returns something, it is sent back as if reply was being
849	called.	1320	called.
850		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
851	=cut	1333	=cut
852		1334
853	sub register_extcmd {	1335	sub register_extcmd {
854	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
855		1337
856	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
857	}	1339	}
858		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
859	cf::player->attach (	1349	cf::player->attach (
860	on_command => sub {	1350	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
862		1352
863	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
864	or return;	1354	or return;
865		1355
…		…
870	cf::override;	1360	cf::override;
871	},	1361	},
872	on_extcmd => sub {	1362	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
874		1364
875	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1366
877	if (ref $msg) {	1367	if (ref $msg) {
		1368	my ($type, $reply, @payload) =
		1369	"ARRAY" eq ref $msg
		1370	? @$msg
		1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1372
		1373	my @reply;
		1374
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
883	} else {	1382	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1384	}
886		1385
887	cf::override;	1386	cf::override;
888	},	1387	},
889	);	1388	);
890		1389
		1390	# "readahead" all extensions
891	sub load_extension {	1391	sub cache_extensions {
892	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
893		1393
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1397	}
919	die $@;
920	}	1398	};
921		1399
922	push @EXTS, $pkg;	1400	$grp
923	}	1401	}
924		1402
925	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
926	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1410	next unless -r $path;
928	eval {	1411
929	load_extension $ext;	1412	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1413	my $base = $1;
		1414	my $pkg = $1;
		1415	$pkg =~ s/[^[:word:]]/_/g;
		1416	$pkg = "ext::$pkg";
		1417
		1418	open my $fh, "<:utf8", $path
		1419	or die "$path: $!";
		1420
		1421	my $source = do { local $/; <$fh> };
		1422
		1423	my %ext = (
		1424	path => $path,
		1425	base => $base,
		1426	pkg => $pkg,
		1427	);
		1428
		1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1431
		1432	$ext{source} =
		1433	"package $pkg; use common::sense;\n"
		1434	. "#line 1 \"$path\"\n{\n"
		1435	. $source
		1436	. "\n};\n1";
		1437
		1438	$todo{$base} = \%ext;
		1439	}
		1440
		1441	my $pass = 0;
		1442	my %done;
		1443	while (%todo) {
		1444	my $progress;
		1445
		1446	++$pass;
		1447
		1448	ext:
		1449	while (my ($k, $v) = each %todo) {
		1450	for (split /,\s*/, $v->{meta}{depends}) {
		1451	next ext
		1452	unless exists $done{$_};
		1453	}
		1454
		1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1456
		1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
		1460	error "$v->{path}: $@\n";
		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464
		1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1466	delete $todo{$k};
		1467	} else {
		1468	$done{$k} = delete $todo{$k};
		1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
		1474	}
930	1	1475	}
931	} or warn "$ext not loaded: $@";	1476
		1477	unless ($progress) {
		1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
		1485	}
932	}	1486	};
933	}	1487	}
934		1488
935	#############################################################################	1489	#############################################################################
936		1490
		1491	=back
		1492
937	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
938		1494
939	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
940		1496
941	=cut	1497	=cut
942		1498
943	package cf::player;	1499	package cf::player;
944		1500
…		…
946		1502
947	=head3 cf::player	1503	=head3 cf::player
948		1504
949	=over 4	1505	=over 4
950		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
		1520
951	=item cf::player::find $login	1521	=item cf::player::find $login
952		1522
953	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
954		1524
955	=cut	1525	=cut
956		1526
957	sub playerdir($) {	1527	sub playerdir($) {
958	cf::localdir	1528	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1529	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1530	}
964		1531
965	sub path($) {	1532	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1533	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1534
968	(playerdir $login) . "/$login.pl"	1535	(playerdir $login) . "/playerdata"
969	}	1536	}
970		1537
971	sub find_active($) {	1538	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1539	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1540	and $cf::PLAYER{$_[0]}->active
…		…
976		1543
977	sub exists($) {	1544	sub exists($) {
978	my ($login) = @_;	1545	my ($login) = @_;
979		1546
980	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
982	}	1549	}
983		1550
984	sub find($) {	1551	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1553	my $login = $_[0];
987		1554
988	my $guard = cf::lock_acquire "user_find:$login";	1555	my $guard = cf::lock_acquire "user_find:$login";
989		1556
990	$cf::PLAYER{$_[0]} || do {	1557	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1558	# rename old playerfiles to new ones
		1559	#TODO: remove when no longer required
		1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1563	aio_unlink +(playerdir $login) . "/$login.pl";
		1564
		1565	my $f = new_from_file cf::object::thawer path $login
992	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
994	}	1574	}
995	}	1575	}
996	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
997		1590
998	sub save($) {	1591	sub save($) {
999	my ($pl) = @_;	1592	my ($pl) = @_;
1000		1593
1001	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1007		1600
1008	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1010		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
1011	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1012	Coro::cede;	1610	cf::cede_to_tick;
1013	}	1611	}
1014		1612
1015	sub new($) {	1613	sub new($) {
1016	my ($login) = @_;	1614	my ($login) = @_;
1017		1615
…		…
1023	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1024		1622
1025	$self	1623	$self
1026	}	1624	}
1027		1625
		1626	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1627
		1628	=cut
		1629
		1630	sub send_msg {
		1631	my $ns = shift->ns
		1632	or return;
		1633	$ns->send_msg (@_);
		1634	}
		1635
1028	=item $pl->quit_character	1636	=item $pl->quit_character
1029		1637
1030	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1032		1640
…		…
1036	my ($pl) = @_;	1644	my ($pl) = @_;
1037		1645
1038	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1039		1647
1040	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1650
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1047		1656
1048	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1688	while and may block, so not sync_job-capable, ever.
1080		1689
1081	=cut	1690	=cut
1082		1691
1083	sub list_logins {	1692	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1693	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1694	or return [];
1086		1695
1087	my @logins;	1696	my @logins;
1088		1697
1089	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1093		1708
1094	utf8::decode $login;	1709	utf8::decode $login;
1095	push @logins, $login;	1710	push @logins, $login;
1096	}	1711	}
1097		1712
1098	\@logins	1713	\@logins
1099	}	1714	}
1100		1715
1101	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1102		1719
1103	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1104	player. May block.	1721	player. May block.
1105		1722
1106	=cut	1723	=cut
…		…
1124	}	1741	}
1125		1742
1126	\@paths	1743	\@paths
1127	}	1744	}
1128		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1130		1751
1131	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1132		1753
1133	=cut	1754	=cut
1134		1755
1135	sub ext_reply($$$%) {	1756	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1137		1758
1138	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1760	}
1142		1761
1143	package cf;	1762	=item $player->ext_msg ($type, @msg)
		1763
		1764	Sends an ext event to the client.
		1765
		1766	=cut
		1767
		1768	sub ext_msg($$@) {
		1769	my ($self, $type, @msg) = @_;
		1770
		1771	$self->ns->ext_msg ($type, @msg);
		1772	}
		1773
		1774	=head3 cf::region
		1775
		1776	=over 4
		1777
		1778	=cut
		1779
		1780	package cf::region;
		1781
		1782	=item cf::region::find_by_path $path
		1783
		1784	Tries to decuce the likely region for a map knowing only its path.
		1785
		1786	=cut
		1787
		1788	sub find_by_path($) {
		1789	my ($path) = @_;
		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
		1793	my ($match, $specificity);
		1794
		1795	for my $region (list) {
		1796	if ($region->{match} && $path =~ $region->{match}) {
		1797	($match, $specificity) = ($region, $region->specificity)
		1798	if $region->specificity > $specificity;
		1799	}
		1800	}
		1801
		1802	$match
		1803	}
1144		1804
1145	=back	1805	=back
1146
1147		1806
1148	=head3 cf::map	1807	=head3 cf::map
1149		1808
1150	=over 4	1809	=over 4
1151		1810
…		…
1163	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1165		1824
1166	sub generate_random_map {	1825	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1168	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1831	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1191		1853
1192	sub register {	1854	sub register {
1193	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1194	my $pkg = caller;	1856	my $pkg = caller;
1195		1857
1196	no strict;
1197	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1198		1859
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1861	}
1201		1862
1202	# also paths starting with '/'	1863	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1865
1205	sub thawer_merge {	1866	sub thawer_merge {
1206	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1207		1868
1208	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1209	local $self->{path};	1870	local $self->{path};
1210	local $self->{load_path};	1871	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1872
1214	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1215	}	1874	}
1216		1875
1217	sub normalise {	1876	sub normalise {
1218	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1219		1878
1220	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1221		1880
1222	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1223		1882
1224	# map plan:	1883	# map plan:
1225	#	1884	#
…		…
1264	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1265	return $self;	1924	return $self;
1266	}	1925	}
1267	}	1926	}
1268		1927
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1270	()	1929	()
1271	}	1930	}
1272		1931
1273	sub init {	1932	sub init {
1274	my ($self) = @_;	1933	my ($self) = @_;
…		…
1289		1948
1290	# the original (read-only) location	1949	# the original (read-only) location
1291	sub load_path {	1950	sub load_path {
1292	my ($self) = @_;	1951	my ($self) = @_;
1293		1952
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1953	"$MAPDIR/$self->{path}.map"
1295	}	1954	}
1296		1955
1297	# the temporary/swap location	1956	# the temporary/swap location
1298	sub save_path {	1957	sub save_path {
1299	my ($self) = @_;	1958	my ($self) = @_;
1300		1959
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1961	"$TMPDIR/$path.map"
1303	}	1962	}
1304		1963
1305	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1306	sub uniq_path {	1965	sub uniq_path {
1307	my ($self) = @_;	1966	my ($self) = @_;
1308		1967
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1969	"$UNIQUEDIR/$path"
1311	}	1970	}
1312		1971
1313	# and all this just because we cannot iterate over	1972	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	1973	my ($self) = @_;
1317		1974
1318	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1320	}	1978	}
1321		1979
1322	sub unlink_save {	1980	sub unlink_save {
1323	my ($self) = @_;	1981	my ($self) = @_;
1324		1982
…		…
1329		1987
1330	sub load_header_from($) {	1988	sub load_header_from($) {
1331	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1332		1990
1333	utf8::encode $path;	1991	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1993	or return;
		1994
		1995	$self->_load_header ($f)
		1996	or return;
		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
1339		2000
1340	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1341		2002
1342	1	2003	1
1343	}	2004	}
…		…
1382	$self->load_header_orig	2043	$self->load_header_orig
1383	or return;	2044	or return;
1384	$self->prepare_orig;	2045	$self->prepare_orig;
1385	}	2046	}
1386		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
		2051	$self->default_region (cf::region::find_by_path $self->{path})
		2052	unless $self->default_region;
		2053
1387	1	2054	1
1388	}	2055	}
1389		2056
1390	sub find;	2057	sub find;
1391	sub find {	2058	sub find {
1392	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1393		2060
		2061	cf::cede_to_tick;
		2062
1394	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1395		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2067
1398	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1401	or return;	2070	or return;
1402		2071
1403	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1404		2073
1405	$map->load_header	2074	$map->load_header
1406	or return;	2075	or return;
1407		2076
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1411	$map->reset;	2082	$map->reset;
1412	undef $guard;
1413	return find $path;	2083	return find $path;
1414	}	2084	}
1415		2085
1416	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1417	}	2087	}
1418	}	2088	}
1419		2089
1420	sub pre_load { }	2090	sub pre_load { }
1421	sub post_load { }	2091	#sub post_load { } # XS
1422		2092
1423	sub load {	2093	sub load {
1424	my ($self) = @_;	2094	my ($self) = @_;
1425		2095
1426	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1427		2097
1428	my $path = $self->{path};	2098	my $path = $self->{path};
		2099
		2100	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1430		2102
		2103	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2105
1433	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1434		2107
1435	$self->alloc;	2108	$self->alloc;
1436		2109
1437	$self->pre_load;	2110	$self->pre_load;
		2111	cf::cede_to_tick;
1438		2112
1439	$self->_load_objects ($self->{load_path}, 1)	2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
		2115	$self->_load_objects ($f)
1440	or return;	2116	or return;
1441		2117
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1443	if delete $self->{load_original};	2119	if delete $self->{load_original};
1444		2120
1445	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2122	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2125	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1450	}	2129	}
1451	}	2130	}
1452		2131
1453	Coro::cede;	2132	$f->resolve_delayed_derefs;
1454		2133
		2134	cf::cede_to_tick;
1455	# now do the right thing for maps	2135	# now do the right thing for maps
1456	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2138	unless $self->difficulty;
1466	Coro::cede;	2139	cf::cede_to_tick;
		2140
		2141	unless ($self->{deny_activate}) {
		2142	$self->decay_objects;
		2143	$self->fix_auto_apply;
		2144	$self->update_buttons;
		2145	cf::cede_to_tick;
1467	$self->activate;	2146	$self->activate;
		2147	}
		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
		2152	$self->in_memory (cf::MAP_ACTIVE);
1468	}	2153	}
1469		2154
1470	$self->post_load;	2155	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2156	}
1474		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2161	sub customise_for {
1476	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1477		2163
1478	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2165	if $self->per_player;
1480		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1481	$self	2170	$self
1482	}	2171	}
1483		2172
1484	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2174	sub load_neighbours {
1486	my ($map) = @_;	2175	my ($map) = @_;
1487		2176
1488	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1489		2178
1490	for (0 .. 3) {	2179	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1492	or next;	2181	or next;
1493	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1494	or next;	2183	or next;
1495	$neigh->load;	2184	$neigh->load;
1496		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2190	}
1500		2191
1501	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1503	or next;	2195	or next;
1504	$neigh->load;	2196	$neigh->load;
1505	}	2197	}
1506	}	2198	}
1507		2199
1508	sub find_sync {	2200	sub find_sync {
1509	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1510		2202
1511	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1512	}	2207	}
1513		2208
1514	sub do_load_sync {	2209	sub do_load_sync {
1515	my ($map) = @_;	2210	my ($map) = @_;
1516		2211
1517	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1518	}	2216	}
1519		2217
1520	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1522		2220
1523	sub find_async {	2221	sub find_async {
1524	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1525		2223
1526	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1527		2225
1528	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2228	}
1531		2229
1532	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1533	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1534	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2237	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2238	$map->load if $v;
		2239	}
1539		2240
1540	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1541	}	2242	}
1542	}	2243	}
1543	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1544	};	2245	};
1545	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1546		2247
1547	()	2248	()
1548	}	2249	}
1549		2250
		2251	# common code, used by both ->save and ->swapout
1550	sub save {	2252	sub _save {
1551	my ($self) = @_;	2253	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2254
1555	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1556		2256
1557	return unless $self->dirty;	2257	return unless $self->dirty;
1558		2258
…		…
1564	return if $self->{deny_save};	2264	return if $self->{deny_save};
1565		2265
1566	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1567		2267
1568	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1570	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1571		2274
1572	if ($uniq) {	2275	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2278	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2280	}
1578	}	2281	}
1579		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1580	sub swap_out {	2291	sub swap_out {
1581	my ($self) = @_;	2292	my ($self) = @_;
1582		2293
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1588	return if $self->players;	2298	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
1592	$self->clear;	2309	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2310	}
1595		2311
1596	sub reset_at {	2312	sub reset_at {
1597	my ($self) = @_;	2313	my ($self) = @_;
1598		2314
1599	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1602		2317
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2319	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2320
…		…
1616	my ($self) = @_;	2331	my ($self) = @_;
1617		2332
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2334
1620	return if $self->players;	2335	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2336
1623	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
1624		2338
1625	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1626		2340
1627	# need to save uniques path	2341	# need to save uniques path
1628	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2346	if $uniq;
1633	}	2347	}
1634		2348
1635	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1636		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2353	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2354
1641	$self->unlink_save;	2355	$self->unlink_save;
1642	$self->destroy;	2356	$self->destroy;
1643	}	2357	}
1644		2358
1645	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1646		2360
1647	sub nuke {	2361	sub nuke {
1648	my ($self) = @_;	2362	my ($self) = @_;
1649		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1650	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1651		2368
1652	$self->unlink_save;	2369	$self->unlink_save;
1653		2370
1654	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2376
1660	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1661		2379
1662	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
		2381	}
		2382
		2383	=item $maps = cf::map::tmp_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	maps. May block.
		2387
		2388	=cut
		2389
		2390	sub tmp_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise $_
		2396	: ()
		2397	} @{ aio_readdir $TMPDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item $maps = cf::map::random_maps
		2402
		2403	Returns an arrayref with all map paths of currently instantiated and saved
		2404	random maps. May block.
		2405
		2406	=cut
		2407
		2408	sub random_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	/\.map$/
		2413	? normalise "?random/$_"
		2414	: ()
		2415	} @{ aio_readdir $RANDOMDIR or [] }
		2416	]
1663	}	2417	}
1664		2418
1665	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1666		2420
1667	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2422	instantiated unique items. May block.
1669		2423
1670	=cut	2424	=cut
1671		2425
1672	sub unique_maps() {	2426	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2427	[
1674	or return;	2428	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2429	utf8::decode $_;
1680	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2432	? ()
1683	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2435	]
1685
1686	\@paths
1687	}	2436	}
1688		2437
1689	package cf;	2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
		2459	s/\.map$// or next;
		2460	utf8::decode $_;
		2461	push @maps, "$dir/$_";
		2462	}
		2463
		2464	push @dirs, map "$dir/$_", @$dirs;
		2465	}
		2466
		2467	\@maps
		2468	}
1690		2469
1691	=back	2470	=back
1692		2471
1693	=head3 cf::object	2472	=head3 cf::object
1694		2473
…		…
1698		2477
1699	=over 4	2478	=over 4
1700		2479
1701	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1702		2481
1703	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
1704		2484
1705	=cut	2485	=cut
1706		2486
1707	sub inv_recursive_;	2487	sub inv_recursive_;
1708	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1711		2491
1712	sub inv_recursive {	2492	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1714	}	2494	}
1715		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
1716	package cf;	2524	package cf;
1717		2525
1718	=back	2526	=back
1719		2527
1720	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1729		2537
1730	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
1731		2553
1732	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2555	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1737		2559
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2561
1740	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1742	} else {	2565	} else {
		2566	my $pl = $self->contr;
		2567
		2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2569	my $dialog = $pl->{npc_dialog};
		2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2571
		2572	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1745	}	2576	}
		2577	}
		2578
		2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2580
		2581	=cut
		2582
		2583	sub cf::object::send_msg {
		2584	my $pl = shift->contr
		2585	or return;
		2586	$pl->send_msg (@_);
1746	}	2587	}
1747		2588
1748	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1749		2590
1750	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1763		2604
1764	=item $player_object->enter_link	2605	=item $player_object->enter_link
1765		2606
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2608
1768	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
1770		2613
1771	Will never block.	2614	Will never block.
1772		2615
1773	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1774		2617
…		…
1794	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2638	my ($self) = @_;
1796		2639
1797	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1798		2641
		2642	++$self->{_link_recursion};
		2643
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2645
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2647	if $self->map && $self->map->{path} ne "{link}";
1803		2648
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2650	}
1806		2651
1807	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
		2654
		2655	return unless $self->contr->active;
1809		2656
1810	my $link_pos = delete $self->{_link_pos};	2657	my $link_pos = delete $self->{_link_pos};
1811		2658
1812	unless ($map) {	2659	unless ($map) {
1813	# restore original map position	2660	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1826		2673
1827	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1830		2677
1831	$map->load;	2678	$map->load;
1832	$map->load_diag;	2679	$map->load_neighbours;
1833		2680
1834	return unless $self->contr->active;	2681	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2682
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
1839	}	2685	# entering was successful
1840		2686	delete $self->{_link_recursion};
1841	cf::player->attach (	2687	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2688	$self->activate_recursive;
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},	2689	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2690
1855	# try to abort aborted map switching on player login :)	2691	}
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2692
1873	=item $player_object->goto ($path, $x, $y)	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2694
		2695	Moves the player to the given map-path and coordinates by first freezing
		2696	her, loading and preparing them map, calling the provided $check callback
		2697	that has to return the map if sucecssful, and then unfreezes the player on
		2698	the new (success) or old (failed) map position. In either case, $done will
		2699	be called at the end of this process.
		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
		2703
1875	=cut	2704	=cut
		2705
		2706	our $GOTOGEN;
1876		2707
1877	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
		2716
		2717	# do generation counting so two concurrent goto's will be executed in-order
		2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2719
1880	$self->enter_link;	2720	$self->enter_link;
1881		2721
1882	(async {	2722	(async {
		2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
1883	my $map = eval {	2744	my $map = eval {
1884	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
		2746
		2747	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2748	$map = $map->customise_for ($self);
		2749	$map = $check->($map, $x, $y, $self) if $check && $map;
		2750	} else {
		2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	}
		2753
1886	$map	2754	$map
		2755	};
		2756
		2757	if ($@) {
		2758	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2760	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2761
		2762	if ($gen == $self->{_goto_generation}) {
		2763	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
		2765	}
		2766
		2767	$done->($self) if $done;
1891	})->prio (1);	2768	})->prio (1);
1892	}	2769	}
1893		2770
1894	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
1895		2772
…		…
1915	}	2792	}
1916		2793
1917	sub prepare_random_map {	2794	sub prepare_random_map {
1918	my ($exit) = @_;	2795	my ($exit) = @_;
1919		2796
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2799	# that depends on the exit object
1925		2800
1926	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2803	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
1933	}	2810	}
1934		2811
1935	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
1936		2813
1937	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
1940		2817
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2820	undef $fh;
1944	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
1945		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
1948	}	2829	}
1949	}	2830	}
1950		2831
1951	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
1953		2834
1954	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
1955		2836
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2837	$self->enter_link;
1966		2838
1967	(async {	2839	(async {
1968	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
1969	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
		2849	prepare_random_map $exit
		2850	if $exit->slaying eq "/!";
		2851	}
		2852
		2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
		2856
1970	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
1971		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
1972	1;	2863	1
1973	}) {	2864	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2869
1979	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2871	$self->leave_link;
1981	}	2872	}
1982	})->prio (1);	2873	})->prio (1);
1983	}	2874	}
1984		2875
…		…
1995		2886
1996	sub cf::client::send_drawinfo {	2887	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2888	my ($self, $text, $flags) = @_;
1998		2889
1999	utf8::encode $text;	2890	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2892	}
2002		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
		3081	=item $client->ext_msg ($type, @msg)
		3082
		3083	Sends an ext event to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_msg($$@) {
		3088	my ($self, $type, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
		3093	push @msg, msgtype => "event_$type";
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
		3114	}
2003		3115
2004	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2005		3117
2006	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3121
2010	Queries can fail, so check the return code. Or don't, as queries will become	3122	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3123	become reliable at some point in the future.
2012		3124
2013	=cut	3125	=cut
2014		3126
2015	sub cf::client::query {	3127	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3136	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3138
2027	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2029	}	3143	}
2030		3144
2031	cf::client->attach (	3145	cf::client->attach (
		3146	on_connect => sub {
		3147	my ($ns) = @_;
		3148
		3149	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3150	},
2032	on_reply => sub {	3151	on_reply => sub {
2033	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2034		3153
2035	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2036	# get handled first	3155	# get handled first
…		…
2048	} else {	3167	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3169	}
2051	}	3170	}
2052	},	3171	},
		3172	on_exticmd => sub {
		3173	my ($ns, $buf) = @_;
		3174
		3175	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3176
		3177	if (ref $msg) {
		3178	my ($type, $reply, @payload) =
		3179	"ARRAY" eq ref $msg
		3180	? @$msg
		3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3182
		3183	my @reply;
		3184
		3185	if (my $cb = $EXTICMD{$type}) {
		3186	@reply = $cb->($ns, @payload);
		3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
		3192	} else {
		3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3194	}
		3195
		3196	cf::override;
		3197	},
2053	);	3198	);
2054		3199
2055	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2056		3201
2057	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3218
2074	$coro	3219	$coro
2075	}	3220	}
2076		3221
2077	cf::client->attach (	3222	cf::client->attach (
2078	on_destroy => sub {	3223	on_client_destroy => sub {
2079	my ($ns) = @_;	3224	my ($ns) = @_;
2080		3225
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3227	},
2083	);	3228	);
…		…
2098	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2100		3245
2101	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2102		3247
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3248	$safe->permit_only (Opcode::opset qw(
		3249	:base_core :base_mem :base_orig :base_math :base_loop
		3250	grepstart grepwhile mapstart mapwhile
		3251	sort time
		3252	));
2104		3253
2105	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2106		3255
2107	=pod	3256	=pod
2108		3257
2109	The following fucntions and emthods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2110		3259
2111	cf::object contr pay_amount pay_player map	3260	cf::object
		3261	contr pay_amount pay_player map x y force_find force_add destroy
		3262	insert remove name archname title slaying race decrease split
		3263	value
		3264
2112	cf::object::player player	3265	cf::object::player
2113	cf::player peaceful	3266	player
2114	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2115		3273
2116	=cut	3274	=cut
2117		3275
2118	for (	3276	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2123	) {	3283	) {
2124	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2127	for @funs;	3286	for @funs;
2128	}	3287	}
2129		3288
…		…
2144		3303
2145	my $qcode = $code;	3304	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2148		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2149	local $_;	3311	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3312
2152	my $eval =	3313	my $eval =
2153	"do {\n"	3314	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3317	. $code
2157	. "\n}"	3318	. "\n}"
2158	;	3319	;
2159		3320
		3321	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2163		3330
2164	if ($@) {	3331	if ($@) {
2165	warn "$@";	3332	warn "$@",
2166	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2168	}	3335	}
2169		3336
2170	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2171	}	3338	}
2172		3339
…		…
2186	=cut	3353	=cut
2187		3354
2188	sub register_script_function {	3355	sub register_script_function {
2189	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2190		3357
2191	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2193	}	3360	}
2194		3361
2195	=back	3362	=back
2196		3363
2197	=cut	3364	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3365
2271	#############################################################################	3366	#############################################################################
2272	# the server's init and main functions	3367	# the server's init and main functions
2273		3368
2274	sub load_faces {	3369	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3370	my ($path) = @_;
2276		3371
		3372	# HACK to clear player env face cache, we need some signal framework
		3373	# for this (global event?)
		3374	%ext::player_env::MUSIC_FACE_CACHE = ();
		3375
		3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3377
2277	warn "loading faces from $path\n";	3378	trace "loading facedata from $path\n";
2278		3379
2279	my $faces;
2280	0 < aio_load $path, $faces	3380	0 < aio_load $path, my $facedata
2281	or die "$path: $!";	3381	or die "$path: $!";
2282		3382
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3383	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3384
		3385	$facedata->{version} == 2
		3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3387
		3388	# patch in the exptable
		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3390	$facedata->{resource}{"res/exp_table"} = {
		3391	type => FT_RSRC,
		3392	data => $exp_table,
		3393	hash => (Digest::MD5::md5 $exp_table),
		3394	};
		3395	cf::cede_to_tick;
		3396
		3397	{
		3398	my $faces = $facedata->{faceinfo};
		3399
2287	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3402
		3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2291	Coro::cede;	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3407
		3408	cf::cede_to_tick;
		3409	}
		3410
		3411	while (my ($face, $info) = each %$faces) {
		3412	next unless $info->{smooth};
		3413
		3414	my $idx = cf::face::find $face
		3415	or next;
		3416
		3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
		3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3420	} else {
		3421	error "smooth face '$info->{smooth}' not found for face '$face'";
		3422	}
		3423
		3424	cf::cede_to_tick;
		3425	}
		3426	}
		3427
2292	}	3428	{
		3429	my $anims = $facedata->{animinfo};
		3430
		3431	while (my ($anim, $info) = each %$anims) {
		3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3433	cf::cede_to_tick;
		3434	}
		3435
		3436	cf::anim::invalidate_all; # d'oh
		3437	}
		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2293		3457
2294	1	3458	1
2295	}	3459	}
2296		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
		3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
		3484	load_resource_file "$MAPDIR/regions"
		3485	or die "unable to load regions file\n";
		3486
		3487	for (cf::region::list) {
		3488	$_->{match} = qr/$_->{match}/
		3489	if exists $_->{match};
		3490	}
		3491	}
		3492
		3493	sub reload_facedata {
		3494	load_facedata "$DATADIR/facedata"
		3495	or die "unable to load facedata\n";
		3496	}
		3497
		3498	sub reload_archetypes {
		3499	load_resource_file "$DATADIR/archetypes"
		3500	or die "unable to load archetypes\n";
		3501	}
		3502
		3503	sub reload_treasures {
		3504	load_resource_file "$DATADIR/treasures"
		3505	or die "unable to load treasurelists\n";
		3506	}
		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
2297	sub reload_resources {	3531	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3532	trace "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3533
		3534	reload_exp_table;
		3535	reload_materials;
2300	load_faces	3536	reload_facedata;
2301	or die "unable to load faces\n";#d#	3537	reload_sound;
2302	}	3538	reload_archetypes;
2303
2304	sub init {
2305	reload_resources;	3539	reload_regions;
2306	}	3540	reload_treasures;
2307		3541
2308	sub cfg_load {	3542	trace "finished reloading resource files\n";
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3543	}
2310	or return;
2311		3544
2312	local $/;	3545	sub reload_config {
		3546	trace "reloading config file...\n";
		3547
		3548	0 < aio_load "$CONFDIR/config", my $config
		3549	or die "$CONFDIR/config: $!";
		3550
		3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2313	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2314		3555
2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2316		3557
2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2319		3560
2320	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2324	};	3565	};
2325	warn $@ if $@;	3566	warn $@ if $@;
2326	}	3567	}
2327	}	3568	}
2328		3569
		3570	sub pidfile() {
		3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
		3596	}
		3597
2329	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
2330	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2331	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2333	(async {	3611	(async {
2334	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2335	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2336	};	3615	};
2337		3616
2338	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
		3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
2339	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2340	load_extensions;	3640	load_extensions;
2341		3641
2342	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2343	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2344	}	3660	}
2345		3661
2346	#############################################################################	3662	#############################################################################
2347	# initialisation and cleanup	3663	# initialisation and cleanup
2348		3664
2349	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2350	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2351	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2352	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2353	reentrant => 0,
2354	data => WF_AUTOCANCEL,
2355	signal => $signal,
2356	prio => 0,
2357	cb => sub {
2358	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2359	},
2360	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2361	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2362	}	3761	}
2363		3762
2364	sub emergency_save() {	3763	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2366		3765
2367	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2368		3772
2369	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2370	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2371	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2372	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2373	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2374	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2375	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2376	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377	$pl->save;	3784	$pl->save;
2378	}	3785	}
2379	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2380		3787
2381	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2382	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2383	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2384	$map->valid or next;	3793	$map->valid or next;
2385	$map->save;	3794	$map->save;
2386	}	3795	}
2387	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2388		3797
2389	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2390	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2391	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2392	};	3826	};
2393		3827
2394	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2395	}	3829	}
2396		3830
2397	sub post_cleanup {	3831	sub post_cleanup {
2398	my ($make_core) = @_;	3832	my ($make_core) = @_;
2399		3833
		3834	IO::AIO::flush;
		3835
2400	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3837	if $make_core;
2402	}
2403		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
		3866	}
		3867
2404	sub reload() {	3868	sub do_reload_perl() {
2405	# can/must only be called in main	3869	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2407	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2408	return;	3872	return;
2409	}	3873	}
2410		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2411	warn "reloading...";	3881	info "reloading...";
2412		3882
2413	warn "entering sync_job";	3883	trace "entering sync_job";
2414		3884
2415	cf::sync_job {	3885	cf::sync_job {
2416	cf::write_runtime; # external watchdog should not bark
2417	cf::emergency_save;	3886	#cf::emergency_save;
2418	cf::write_runtime; # external watchdog should not bark
2419		3887
2420	warn "syncing database to disk";
2421	BDB::db_env_txn_checkpoint $DB_ENV;
2422
2423	# if anything goes wrong in here, we should simply crash as we already saved
2424
2425	warn "cancelling all WF_AUTOCANCEL watchers";
2426	for (Event::all_watchers) {
2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2428	}
2429
2430	warn "flushing outstanding aio requests";
2431	for (;;) {
2432	BDB::flush;
2433	IO::AIO::flush;
2434	Coro::cede;
2435	last unless IO::AIO::nreqs || BDB::nreqs;
2436	warn "iterate...";
2437	}
2438
2439	++$RELOAD;
2440
2441	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2442	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2443	%EXT_CORO = ();	3890	%EXT_CORO = ();
2444		3891
2445	warn "removing commands";	3892	trace "removing commands";
2446	%COMMAND = ();	3893	%COMMAND = ();
2447		3894
2448	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2449	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2450		3898
2451	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2454		3902
2455	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2456	eval {	3904	eval {
2457	$cb->($pkg);	3905	$cb->($pkg);
2458	1	3906	1
2459	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2460	}	3912	}
2461		3913
2462	warn "... nuking $pkg";
2463	Symbol::delete_package $pkg;
2464	}
2465
2466	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2467	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2469		3917
2470	warn "... unloading $k";	3918	trace "... unloading $k";
2471	delete $INC{$k};	3919	delete $INC{$k};
2472		3920
2473	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2474	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2475		3923
2476	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2477	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2478	}	3929	}
2479		3930
2480	Symbol::delete_package $k;
2481	}
2482
2483	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2484	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		3934
2487	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
		3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2489		3938
2490	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3940	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2493		3942
2494	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2495		3944
2496	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2497	require cf;	3946	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2499		3948
2500	warn "loading config and database again";	3949	trace "loading config and database again";
2501	cf::cfg_load;	3950	cf::reload_config;
2502		3951
2503	warn "loading extensions";	3952	trace "loading extensions";
2504	cf::load_extensions;	3953	cf::load_extensions;
2505		3954
		3955	if ($REATTACH_ON_RELOAD) {
2506	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2507	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2508	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2512		3963
2513	warn "loading reloadable resources";	3964	trace "running post_init jobs";
2514	reload_resources;	3965	(pop @POST_INIT)->(1) while @POST_INIT;
2515		3966
2516	warn "leaving sync_job";	3967	trace "leaving sync_job";
2517		3968
2518	1	3969	1
2519	} or do {	3970	} or do {
2520	warn $@;	3971	error $@;
2521	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2522	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
		3977	}
		3978
		3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
		3981	};
		3982
		3983	our $RELOAD_WATCHER; # used only during reload
		3984
		3985	sub reload_perl() {
		3986	# doing reload synchronously and two reloads happen back-to-back,
		3987	# coro crashes during coro_state_free->destroy here.
		3988
		3989	$RELOAD_WATCHER ||= cf::async {
		3990	Coro::AIO::aio_wait cache_extensions;
		3991
		3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3993	do_reload_perl;
		3994	undef $RELOAD_WATCHER;
		3995	};
2523	};	3996	};
2524		3997	}
2525	warn "reloaded";
2526	};
2527
2528	our $RELOAD_WATCHER; # used only during reload
2529		3998
2530	register_command "reload" => sub {	3999	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2532		4001
2533	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
2535		4004	async {
2536	# doing reload synchronously and two reloads happen back-to-back,	4005	$Coro::current->{desc} = "perl_reload";
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;	4006	reload_perl;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);	4007	};
2548	}	4008	}
2549	};	4009	};
2550		4010
2551	unshift @INC, $LIBDIR;	4011	#############################################################################
2552		4012
2553	my $bug_warning = 0;	4013	my $bug_warning = 0;
2554		4014
2555	$TICK_WATCHER = Event->timer (	4015	our @WAIT_FOR_TICK;
2556	reentrant => 0,	4016	our @WAIT_FOR_TICK_BEGIN;
2557	parked => 1,	4017
2558	prio => 0,	4018	sub wait_for_tick() {
2559	at => $NEXT_TICK || $TICK,	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2560	data => WF_AUTOCANCEL,	4020
2561	cb => sub {	4021	my $signal = new Coro::Signal;
		4022	push @WAIT_FOR_TICK, $signal;
		4023	$signal->wait;
		4024	}
		4025
		4026	sub wait_for_tick_begin() {
		4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4028
		4029	my $signal = new Coro::Signal;
		4030	push @WAIT_FOR_TICK_BEGIN, $signal;
		4031	$signal->wait;
		4032	}
		4033
		4034	sub tick {
2562	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2565	return;	4038	return;
2566	}	4039	}
2567		4040
2568	$NOW = Event::time;
2569
2570	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2571	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;
2573		4042
		4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4044
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2576	Coro::async_pool {	4047	Coro::async_pool {
		4048	$Coro::current->{desc} = "runtime saver";
2577	write_runtime	4049	write_runtime_sync
2578	or warn "ERROR: unable to write runtime file: $!";	4050	or error "ERROR: unable to write runtime file: $!";
2579	};
2580	}	4051	};
2581
2582	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585	# my $AFTER = Event::time;
2586	# warn $AFTER - $NOW;#d#
2587
2588	# if we are delayed by four ticks or more, skip them all
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2590
2591	$TICK_WATCHER->at ($NEXT_TICK);
2592	$TICK_WATCHER->start;
2593	},	4052	}
2594	);	4053
		4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4055	$sig->send;
		4056	}
		4057	while (my $sig = shift @WAIT_FOR_TICK) {
		4058	$sig->send;
		4059	}
		4060
		4061	$LOAD = ($NOW - $TICK_START) / $TICK;
		4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4063
		4064	if (0) {
		4065	if ($NEXT_TICK) {
		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
		4070	}
		4071	}
2595		4072
2596	{	4073	{
2597	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2598	$BDB_POLL_WATCHER = Event->io (	4075
2599	reentrant => 0,
2600	fd => BDB::poll_fileno,
2601	poll => 'r',
2602	prio => 0,
2603	data => WF_AUTOCANCEL,
2604	cb => \&BDB::poll_cb,
2605	);
2606	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2607		4077	BDB::max_poll_reqs $TICK * 0.1;
2608	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2609	my $status;
2610	my $current = $Coro::current;
2611	(
2612	sub {
2613	$status = $!;
2614	$current->ready; undef $current;
2615	},
2616	sub {
2617	Coro::schedule while defined $current;
2618	$! = $status;
2619	},
2620	)
2621	};
2622		4079
2623	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2624	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2625		4087
2626	cf::sync_job {	4088	cf::sync_job {
2627	eval {	4089	eval {
2628	BDB::db_env_open	4090	BDB::db_env_open
2629	$DB_ENV,	4091	$DB_ENV,
2630	$BDB_ENV_DIR,	4092	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	4095	0666;
2634		4096
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;
2639	};	4098	};
2640		4099
2641	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	4101	};
2643	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
2644	}	4113	}
2645		4114
2646	{	4115	{
		4116	# configure IO::AIO
		4117
2647	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2648
2649	undef $Coro::AIO::WATCHER;
2650	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2651	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2652	reentrant => 0,
2653	data => WF_AUTOCANCEL,
2654	fd => IO::AIO::poll_fileno,
2655	poll => 'r',
2656	prio => 6,
2657	cb => \&IO::AIO::poll_cb,
2658	);
2659	}	4121	}
		4122
		4123	my $_log_backtrace;
		4124
		4125	sub _log_backtrace {
		4126	my ($msg, @addr) = @_;
		4127
		4128	$msg =~ s/\n//;
		4129
		4130	# limit the # of concurrent backtraces
		4131	if ($_log_backtrace < 2) {
		4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
		4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
		4137	my @bt = fork_call {
		4138	@addr = map { sprintf "%x", $_ } @addr;
		4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4141	or die "addr2line: $!";
		4142
		4143	my @funcs;
		4144	my @res = <$fh>;
		4145	chomp for @res;
		4146	while (@res) {
		4147	my ($func, $line) = splice @res, 0, 2, ();
		4148	push @funcs, "[$func] $line";
		4149	}
		4150
		4151	@funcs
		4152	};
		4153
		4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4156	LOG llevInfo, "[ABT] $_\n" for @bt;
		4157	--$_log_backtrace;
		4158	};
		4159	} else {
		4160	LOG llevInfo, "[ABT] $msg\n";
		4161	LOG llevInfo, "[ABT] [suppressed]\n";
		4162	}
		4163	}
		4164
		4165	# load additional modules
		4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
2660		4168
2661	END { cf::emergency_save }	4169	END { cf::emergency_save }
2662		4170
2663	1	4171	1
2664		4172

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