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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	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
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
48	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	93	our @EVENT;
50	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
51		96
52	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	98	our $DATADIR = datadir;
54	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	121	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
59		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
60	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
62		130
63	our %CFG;	131	our %CFG;
64		132
65	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
67		136
68	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		140
77	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
80	binmode STDOUT;	154	binmode STDOUT;
81	binmode STDERR;	155	binmode STDERR;
82		156
83	# read virtual server time, if available	157	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
88	}	162	}
89		163
90	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	165
92	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		168
97	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
98		170
99	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
100		187
101	#############################################################################	188	#############################################################################
102		189
103	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
104		191
…		…
111	=item $cf::RUNTIME	198	=item $cf::RUNTIME
112		199
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	201	every server tick.
115		202
116	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		206
118	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
120		211
121	=item $cf::NOW	212	=item $cf::NOW
122		213
123	The time of the last (current) server tick.	214	The time of the last (current) server tick.
124		215
125	=item $cf::TICK	216	=item $cf::TICK
126		217
127	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
128		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
129	=item %cf::CFG	230	=item %cf::CFG
130		231
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	233	from wherever your confdir points to.
133		234
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		236
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
138	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=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.
140		257
141	=back	258	=back
142		259
143	=cut	260	=cut
144		261
145	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
146	*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 {
147	my $msg = join "", @_;	269	my $msg = join "", @_;
148	utf8::encode $msg;
149		270
150	$msg .= "\n"	271	$msg .= "\n"
151	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
152		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
153	LOG llevError, $msg;	276	LOG llevWarn, $msg;
154	};	277	};
155	}	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	};
156		292
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		300
164	# 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
165	# within the Safe compartment.	302	# within the Safe compartment.
166	for my $pkg (qw(	303	for my $pkg (qw(
167	cf::global cf::attachable	304	cf::global cf::attachable
168	cf::object cf::object::player	305	cf::object cf::object::player
169	cf::client cf::player	306	cf::client cf::player
170	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
171	cf::map cf::party cf::region	309	cf::party cf::region
172	)) {	310	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	312	}
176		313
177	$Event::DIED = sub {	314	$EV::DIED = sub {
178	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
179	};	316	};
		317
		318	#############################################################################
180		319
181	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
182		321
183	=over 4	322	=over 4
184		323
…		…
203	$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;
204	$d	343	$d
205	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
206	}	345	}
207		346
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
211		348
212	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
213		350
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
222		352
223	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
224		354
225	=cut	355	=cut
226		356
227	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
229	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
230	}	386	}
231		387
232	=item cf::lock_wait $string	388	=item cf::lock_wait $string
233		389
234	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
235		391
236	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
237		393
238	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
241	returned.	397	returned.
242		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
243	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
245		404
246	=cut	405	=item $locked = cf::lock_active $string
247		406
248	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
249		412
250	sub lock_wait($) {	413	sub lock_wait($) {
251	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	415	}
259		416
260	sub lock_acquire($) {	417	sub lock_acquire($) {
261	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
262		420
263	# wait, to be sure we are not locked	421	sub lock_active($) {
264	lock_wait $key;	422	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	423	}
273		424
274	sub freeze_mainloop {	425	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
276		427
277	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
278	$TICK_WATCHER->start;	429	}
		430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
279	};	495	}
280	$TICK_WATCHER->stop;	496	};
281	$guard	497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
282	}	511	}
283		512
284	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
285		514
286	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		520
292	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
293		522
294	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
295		524
296	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
299		529
300	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
303	fast or be very important.	533	fast or be very important.
…		…
305	=cut	535	=cut
306		536
307	sub sync_job(&) {	537	sub sync_job(&) {
308	my ($job) = @_;	538	my ($job) = @_;
309		539
310	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
311	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
313		545
314	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	547
316	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
317		549
318	my $busy = 1;	550	my $busy = 1;
319	my @res;	551	my @res;
320		552
321	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	555	@res = eval { $job->() };
323	warn $@ if $@;	556	error $@ if $@;
324	undef $busy;	557	undef $busy;
325	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
326		559
327	while ($busy) {	560	while ($busy) {
328	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
329	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
330		571
331	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
332	} else {	573	} else {
333	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
334		575
…		…
354	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
355		596
356	$coro	597	$coro
357	}	598	}
358		599
359	sub write_runtime {	600	=item fork_call { }, @args
360	my $guard = cf::lock_acquire "write_runtime";
361		601
362	my $runtime = cf::localdir . "/runtime";	602	Executes the given code block with the given arguments in a seperate
		603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
363		606
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	607	=cut
365	or return;
366		608
367	my $value = $cf::RUNTIME + 90 + 10;	609	sub post_fork {
368	# 10 is the runtime save interval, for a monotonic clock	610	reset_signals;
369	# 60 allows for the watchdog to kill the server.	611	}
370		612
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	613	sub fork_call(&@) {
372	and return;	614	my ($cb, @args) = @_;
373		615
374	# always fsync - this file is important	616	# we seemingly have to make a local copy of the whole thing,
375	aio_fsync $fh	617	# otherwise perl prematurely frees the stuff :/
376	and return;	618	# TODO: investigate and fix (likely this will be rather laborious)
377		619
378	close $fh	620	my @res = Coro::Util::fork_eval {
379	or return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
380		624
381	aio_rename "$runtime~", $runtime	625	wantarray ? @res : $res[-1]
382	and return;	626	}
383		627
		628	sub objinfo {
384	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
		793	}
		794
		795	=item cf::datalog type => key => value, ...
		796
		797	Log a datalog packet of the given type with the given key-value pairs.
		798
		799	=cut
		800
		801	sub datalog($@) {
		802	my ($type, %kv) = @_;
		803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	804	}
386		805
387	=back	806	=back
388		807
389	=cut	808	=cut
390		809
391	#############################################################################	810	#############################################################################
392		811
393	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
394		813
395	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
398		817
399	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	820	Deliantra).
402		821
403	=over 4	822	=over 4
404		823
405	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
406		825
…		…
450	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
451		870
452	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
454		873
455	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
457		876
458	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
459		878
460	=over 4	879	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
570		989
571	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		994
576	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	996	my $pkg = shift @arg;
578		997
579	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
584		1003
585	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1006
588	} elsif (ref $type) {	1007	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
590		1009
591	} else {	1010	} else {
592	shift @arg;	1011	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
594	}	1013	}
595	}	1014	}
596	}	1015	}
597		1016
598	sub _object_attach {	1017	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
609	}	1028	}
610		1029
611	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
612	} else {	1031	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1033	}
615		1034
616	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
617	}	1036	}
618		1037
…		…
620	if (ref $_[0]) {	1039	if (ref $_[0]) {
621	_object_attach @_;	1040	_object_attach @_;
622	} else {	1041	} else {
623	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
624	}	1043	}
		1044	_recalc_want;
625	};	1045	};
626		1046
627	# all those should be optimised	1047	# all those should be optimised
628	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1053	reattach ($obj);
634	} else {	1054	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
636	}	1056	}
		1057	_recalc_want;
637	};	1058	};
638		1059
639	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
641		1062
…		…
656	";	1077	";
657	die if $@;	1078	die if $@;
658	}	1079	}
659		1080
660	our $override;	1081	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1083
663	sub override {	1084	sub override {
664	$override = 1;	1085	$override = 1;
665	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
666	}	1087	}
667		1088
668	sub do_invoke {	1089	sub do_invoke {
669	my $event = shift;	1090	my $event = shift;
670	my $callbacks = shift;	1091	my $callbacks = shift;
671		1092
672	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
673		1094
674	local $override;	1095	local $override;
675		1096
676	for (@$callbacks) {	1097	for (@$callbacks) {
677	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
678		1099
679	if ($@) {	1100	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1102	override;
683	}	1103	}
684		1104
685	return 1 if $override;	1105	return 1 if $override;
686	}	1106	}
687		1107
688	0	1108	0
689	}	1109	}
690		1110
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1112
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1114
695	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
696		1116
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1120
701	=back	1121	=back
702		1122
703	=cut	1123	=cut
704		1124
705	#############################################################################	1125	#############################################################################
706	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
707		1169
708	sub reattach {	1170	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1172	my ($obj) = @_;
711		1173
		1174	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1176
714	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
715		1178
716	@$registry = ();	1179	@$registry = ();
717		1180
…		…
722	for (@$attach) {	1185	for (@$attach) {
723	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
725	}	1188	}
726	} else {	1189	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1191	}
729	}	1192	}
730	}	1193	}
731		1194
732	cf::attachable->attach (	1195	cf::attachable->attach (
733	prio => -1000000,	1196	prio => -1000000,
734	on_instantiate => sub {	1197	on_instantiate => sub {
735	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
736		1199
737	$data = from_json $data;	1200	$data = decode_json $data;
738		1201
739	for (@$data) {	1202	for (@$data) {
740	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
741		1204
742	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1221	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
760		1223
761	sync_job {	1224	sync_job {
762	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
765		1230
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	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;
		1236	aio_fsync $fh;
		1237	}
770	close $fh;	1238	aio_close $fh;
771		1239
772	if (@$objs) {	1240	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	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;
		1247	aio_fsync $fh;
		1248	}
778	close $fh;	1249	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
780	}	1251	}
781	} else {	1252	} else {
782	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
783	}	1254	}
784		1255
785	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1260	} else {
787	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
788	}	1262	}
789	} else {	1263	} else {
790	aio_unlink $filename;	1264	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
792	}	1266	}
793	}	1267	};
794	}	1268	}
795		1269
796	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
798		1272
…		…
810	or return;	1284	or return;
811		1285
812	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
814	or return;	1288	or return;
		1289
815	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
816	}	1292	}
817		1293
		1294	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
820	return ($data, $av);	1299	($data, $av)
821	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
822		1307
823	#############################################################################	1308	#############################################################################
824	# command handling &c	1309	# command handling &c
825		1310
826	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1325	}
841		1326
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1328
844	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
845		1334
846	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
847	called.	1336	called.
848		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
849	=cut	1349	=cut
850		1350
851	sub register_extcmd {	1351	sub register_extcmd {
852	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
853		1353
854	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
855	}	1355	}
856		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
857	cf::player->attach (	1365	cf::player->attach (
858	on_command => sub {	1366	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
860		1368
861	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
862	or return;	1370	or return;
863		1371
…		…
868	cf::override;	1376	cf::override;
869	},	1377	},
870	on_extcmd => sub {	1378	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
872		1380
873	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1382
875	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
881	} else {	1398	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1400	}
884		1401
885	cf::override;	1402	cf::override;
886	},	1403	},
887	);	1404	);
888		1405
		1406	# "readahead" all extensions
889	sub load_extension {	1407	sub cache_extensions {
890	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
891		1409
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1413	}
917	die $@;
918	}	1414	};
919		1415
920	push @EXTS, $pkg;	1416	$grp
921	}	1417	}
922		1418
923	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
924	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1426	next unless -r $path;
926	eval {	1427
927	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
928	1	1491	}
929	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
930	}	1502	};
931	}	1503	}
932		1504
933	#############################################################################	1505	#############################################################################
934		1506
		1507	=back
		1508
935	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
936		1510
937	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
938		1512
939	=cut	1513	=cut
940		1514
941	package cf::player;	1515	package cf::player;
942		1516
…		…
944		1518
945	=head3 cf::player	1519	=head3 cf::player
946		1520
947	=over 4	1521	=over 4
948		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
		1536
949	=item cf::player::find $login	1537	=item cf::player::find $login
950		1538
951	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
952		1540
953	=cut	1541	=cut
954		1542
955	sub playerdir($) {	1543	sub playerdir($) {
956	cf::localdir	1544	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1546	}
962		1547
963	sub path($) {	1548	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1550
966	(playerdir $login) . "/$login.pl"	1551	(playerdir $login) . "/playerdata"
967	}	1552	}
968		1553
969	sub find_active($) {	1554	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1555	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1556	and $cf::PLAYER{$_[0]}->active
…		…
974		1559
975	sub exists($) {	1560	sub exists($) {
976	my ($login) = @_;	1561	my ($login) = @_;
977		1562
978	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
980	}	1565	}
981		1566
982	sub find($) {	1567	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1569	my $login = $_[0];
985		1570
986	my $guard = cf::lock_acquire "user_find:$login";	1571	my $guard = cf::lock_acquire "user_find:$login";
987		1572
988	$cf::PLAYER{$_[0]} || do {	1573	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1574	# rename old playerfiles to new ones
		1575	#TODO: remove when no longer required
		1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1579	aio_unlink +(playerdir $login) . "/$login.pl";
		1580
		1581	my $f = new_from_file cf::object::thawer path $login
990	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
992	}	1590	}
993	}	1591	}
994	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
995		1606
996	sub save($) {	1607	sub save($) {
997	my ($pl) = @_;	1608	my ($pl) = @_;
998		1609
999	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1004	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1005		1616
1006	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1008		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1009	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1010	Coro::cede;	1626	cf::cede_to_tick;
1011	}	1627	}
1012		1628
1013	sub new($) {	1629	sub new($) {
1014	my ($login) = @_;	1630	my ($login) = @_;
1015		1631
…		…
1021	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1022		1638
1023	$self	1639	$self
1024	}	1640	}
1025		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1026	=item $pl->quit_character	1652	=item $pl->quit_character
1027		1653
1028	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1030		1656
…		…
1034	my ($pl) = @_;	1660	my ($pl) = @_;
1035		1661
1036	my $name = $pl->ob->name;	1662	my $name = $pl->ob->name;
1037		1663
1038	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1666
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1042	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1671	ext::highscore::check ($pl->ob);
		1672
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1673	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1044	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1045		1675
1046	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1077	while and may block, so not sync_job-capable, ever.	1707	while and may block, so not sync_job-capable, ever.
1078		1708
1079	=cut	1709	=cut
1080		1710
1081	sub list_logins {	1711	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1712	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1713	or return [];
1084		1714
1085	my @logins;	1715	my @logins;
1086		1716
1087	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1091		1727
1092	utf8::decode $login;	1728	utf8::decode $login;
1093	push @logins, $login;	1729	push @logins, $login;
1094	}	1730	}
1095		1731
1096	\@logins	1732	\@logins
1097	}	1733	}
1098		1734
1099	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1100		1738
1101	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1102	player. May block.	1740	player. May block.
1103		1741
1104	=cut	1742	=cut
…		…
1122	}	1760	}
1123		1761
1124	\@paths	1762	\@paths
1125	}	1763	}
1126		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1128		1770
1129	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1130		1772
1131	=cut	1773	=cut
1132		1774
1133	sub ext_reply($$$%) {	1775	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1135		1777
1136	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1779	}
1140		1780
1141	package cf;	1781	=item $player->ext_msg ($type, @msg)
		1782
		1783	Sends an ext event to the client.
		1784
		1785	=cut
		1786
		1787	sub ext_msg($$@) {
		1788	my ($self, $type, @msg) = @_;
		1789
		1790	$self->ns->ext_msg ($type, @msg);
		1791	}
		1792
		1793	=head3 cf::region
		1794
		1795	=over 4
		1796
		1797	=cut
		1798
		1799	package cf::region;
		1800
		1801	=item cf::region::find_by_path $path
		1802
		1803	Tries to decuce the likely region for a map knowing only its path.
		1804
		1805	=cut
		1806
		1807	sub find_by_path($) {
		1808	my ($path) = @_;
		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
		1812	my ($match, $specificity);
		1813
		1814	for my $region (list) {
		1815	if ($region->{match} && $path =~ $region->{match}) {
		1816	($match, $specificity) = ($region, $region->specificity)
		1817	if $region->specificity > $specificity;
		1818	}
		1819	}
		1820
		1821	$match
		1822	}
1142		1823
1143	=back	1824	=back
1144
1145		1825
1146	=head3 cf::map	1826	=head3 cf::map
1147		1827
1148	=over 4	1828	=over 4
1149		1829
…		…
1161	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1163		1843
1164	sub generate_random_map {	1844	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1166	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1167	$self->_create_random_map (	1850	$self->_create_random_map (
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1171	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1172	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1189		1872
1190	sub register {	1873	sub register {
1191	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1192	my $pkg = caller;	1875	my $pkg = caller;
1193		1876
1194	no strict;
1195	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1196		1878
1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198	}	1880	}
1199		1881
1200	# also paths starting with '/'	1882	# also paths starting with '/'
1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1202		1884
1203	sub thawer_merge {	1885	sub thawer_merge {
1204	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1205		1887
1206	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1207	local $self->{path};	1889	local $self->{path};
1208	local $self->{load_path};	1890	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1891
1212	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1213	}	1893	}
1214		1894
1215	sub normalise {	1895	sub normalise {
1216	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1217		1897
1218	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1219		1899
1220	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1221		1901
1222	# map plan:	1902	# map plan:
1223	#	1903	#
…		…
1262	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1263	return $self;	1943	return $self;
1264	}	1944	}
1265	}	1945	}
1266		1946
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1268	()	1948	()
1269	}	1949	}
1270		1950
1271	sub init {	1951	sub init {
1272	my ($self) = @_;	1952	my ($self) = @_;
…		…
1287		1967
1288	# the original (read-only) location	1968	# the original (read-only) location
1289	sub load_path {	1969	sub load_path {
1290	my ($self) = @_;	1970	my ($self) = @_;
1291		1971
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1972	"$MAPDIR/$self->{path}.map"
1293	}	1973	}
1294		1974
1295	# the temporary/swap location	1975	# the temporary/swap location
1296	sub save_path {	1976	sub save_path {
1297	my ($self) = @_;	1977	my ($self) = @_;
1298		1978
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1980	"$TMPDIR/$path.map"
1301	}	1981	}
1302		1982
1303	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1304	sub uniq_path {	1984	sub uniq_path {
1305	my ($self) = @_;	1985	my ($self) = @_;
1306		1986
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1988	"$UNIQUEDIR/$path"
1309	}	1989	}
1310		1990
1311	# and all this just because we cannot iterate over	1991	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	1992	my ($self) = @_;
1315		1993
1316	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1318	}	1997	}
1319		1998
1320	sub unlink_save {	1999	sub unlink_save {
1321	my ($self) = @_;	2000	my ($self) = @_;
1322		2001
…		…
1327		2006
1328	sub load_header_from($) {	2007	sub load_header_from($) {
1329	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1330		2009
1331	utf8::encode $path;	2010	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1337		2019
1338	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1339		2021
1340	1	2022	1
1341	}	2023	}
…		…
1380	$self->load_header_orig	2062	$self->load_header_orig
1381	or return;	2063	or return;
1382	$self->prepare_orig;	2064	$self->prepare_orig;
1383	}	2065	}
1384		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
		2070	$self->default_region (cf::region::find_by_path $self->{path})
		2071	unless $self->default_region;
		2072
1385	1	2073	1
1386	}	2074	}
1387		2075
1388	sub find;	2076	sub find;
1389	sub find {	2077	sub find {
1390	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1391		2079
		2080	cf::cede_to_tick;
		2081
1392	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1393		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1395		2086
1396	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1399	or return;	2089	or return;
1400		2090
1401	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1402		2092
1403	$map->load_header	2093	$map->load_header
1404	or return;	2094	or return;
1405		2095
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1409	$map->reset;	2101	$map->reset;
1410	undef $guard;
1411	return find $path;	2102	return find $path;
1412	}	2103	}
1413		2104
1414	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1415	}	2106	}
1416	}	2107	}
1417		2108
1418	sub pre_load { }	2109	sub pre_load { }
1419	sub post_load { }	2110	#sub post_load { } # XS
1420		2111
1421	sub load {	2112	sub load {
1422	my ($self) = @_;	2113	my ($self) = @_;
1423		2114
1424	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1425		2116
1426	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1428		2121
		2122	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2124
1431	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1432		2126
1433	$self->alloc;	2127	$self->alloc;
1434		2128
1435	$self->pre_load;	2129	$self->pre_load;
		2130	cf::cede_to_tick;
1436		2131
1437	$self->_load_objects ($self->{load_path}, 1)	2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
		2134	$self->_load_objects ($f)
1438	or return;	2135	or return;
1439		2136
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1441	if delete $self->{load_original};	2138	if delete $self->{load_original};
1442		2139
1443	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2141	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2144	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1448	}	2148	}
1449	}	2149	}
1450		2150
1451	Coro::cede;	2151	$f->resolve_delayed_derefs;
1452		2152
		2153	cf::cede_to_tick;
1453	# now do the right thing for maps	2154	# now do the right thing for maps
1454	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2157	unless $self->difficulty;
1464	Coro::cede;	2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1465	$self->activate;	2165	$self->activate;
		2166	}
		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
		2171	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2172	}
1467		2173
1468	$self->post_load;	2174	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2175	}
1472		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1473	sub customise_for {	2180	sub customise_for {
1474	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1475		2182
1476	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2184	if $self->per_player;
1478		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1479	$self	2189	$self
1480	}	2190	}
1481		2191
1482	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2193	sub load_neighbours {
1484	my ($map) = @_;	2194	my ($map) = @_;
1485		2195
1486	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1487		2197
1488	for (0 .. 3) {	2198	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1490	or next;	2200	or next;
1491	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1492	or next;	2202	or next;
1493	$neigh->load;	2203	$neigh->load;
1494		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2209	}
1498		2210
1499	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1501	or next;	2214	or next;
1502	$neigh->load;	2215	$neigh->load;
1503	}	2216	}
1504	}	2217	}
1505		2218
1506	sub find_sync {	2219	sub find_sync {
1507	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1508		2221
1509	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1510	}	2226	}
1511		2227
1512	sub do_load_sync {	2228	sub do_load_sync {
1513	my ($map) = @_;	2229	my ($map) = @_;
1514		2230
1515	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1516	}	2235	}
1517		2236
1518	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1520		2239
1521	sub find_async {	2240	sub find_async {
1522	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1523		2242
1524	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1525		2244
1526	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2247	}
1529		2248
1530	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1531	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1532	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2256	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2257	$map->load if $v;
		2258	}
1537		2259
1538	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1539	}	2261	}
1540	}	2262	}
1541	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1542	};	2264	};
1543	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1544		2266
1545	()	2267	()
1546	}	2268	}
1547		2269
		2270	# common code, used by both ->save and ->swapout
1548	sub save {	2271	sub _save {
1549	my ($self) = @_;	2272	my ($self) = @_;
1550
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1552		2273
1553	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1554		2275
1555	return unless $self->dirty;	2276	return unless $self->dirty;
1556		2277
…		…
1562	return if $self->{deny_save};	2283	return if $self->{deny_save};
1563		2284
1564	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1565		2286
1566	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1568	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1569		2293
1570	if ($uniq) {	2294	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2297	} else {
1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1575	}	2299	}
1576	}	2300	}
1577		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1578	sub swap_out {	2310	sub swap_out {
1579	my ($self) = @_;	2311	my ($self) = @_;
1580		2312
1581	# save first because save cedes
1582	$self->save;
1583
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1586	return if $self->players;	2317	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};
1589		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1590	$self->clear;	2328	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2329	}
1593		2330
1594	sub reset_at {	2331	sub reset_at {
1595	my ($self) = @_;	2332	my ($self) = @_;
1596		2333
1597	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1600		2336
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2339
…		…
1614	my ($self) = @_;	2350	my ($self) = @_;
1615		2351
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2353
1618	return if $self->players;	2354	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2355
1621	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
1622		2357
1623	$self->in_memory (cf::MAP_SWAPPED);	2358	$self->in_memory (cf::MAP_SWAPPED);
1624		2359
1625	# need to save uniques path	2360	# need to save uniques path
1626	unless ($self->{deny_save}) {	2361	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2365	if $uniq;
1631	}	2366	}
1632		2367
1633	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1634		2369
		2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2372	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2373
1639	$self->unlink_save;	2374	$self->unlink_save;
1640	$self->destroy;	2375	$self->destroy;
1641	}	2376	}
1642		2377
1643	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1644		2379
1645	sub nuke {	2380	sub nuke {
1646	my ($self) = @_;	2381	my ($self) = @_;
1647		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1648	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1649		2387
1650	$self->unlink_save;	2388	$self->unlink_save;
1651		2389
1652	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1653	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2395
1658	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1659		2398
1660	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
		2400	}
		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
1661	}	2436	}
1662		2437
1663	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1664		2439
1665	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2441	instantiated unique items. May block.
1667		2442
1668	=cut	2443	=cut
1669		2444
1670	sub unique_maps() {	2445	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2446	[
1672	or return;	2447	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2448	utf8::decode $_;
1678	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2451	? ()
1681	push @paths, cf::map::normalise $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2454	]
1683
1684	\@paths
1685	}	2455	}
1686		2456
1687	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
1688		2488
1689	=back	2489	=back
1690		2490
1691	=head3 cf::object	2491	=head3 cf::object
1692		2492
…		…
1696		2496
1697	=over 4	2497	=over 4
1698		2498
1699	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1700		2500
1701	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1702		2503
1703	=cut	2504	=cut
1704		2505
1705	sub inv_recursive_;	2506	sub inv_recursive_;
1706	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1709		2510
1710	sub inv_recursive {	2511	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1712	}	2513	}
1713		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1714	package cf;	2543	package cf;
1715		2544
1716	=back	2545	=back
1717		2546
1718	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1727		2556
1728	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1729		2572
1730	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2574	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1735		2578
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2580
1738	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1740	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1743	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1744	}	2606	}
1745		2607
1746	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1747		2609
1748	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1761		2623
1762	=item $player_object->enter_link	2624	=item $player_object->enter_link
1763		2625
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2627
1766	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
1768		2632
1769	Will never block.	2633	Will never block.
1770		2634
1771	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1772		2636
…		…
1792	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1793	my ($self) = @_;	2657	my ($self) = @_;
1794		2658
1795	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1796		2660
		2661	++$self->{_link_recursion};
		2662
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2664
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1801		2667
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1803	}	2669	}
1804		2670
1805	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1807		2675
1808	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1809		2677
1810	unless ($map) {	2678	unless ($map) {
1811	# restore original map position	2679	# restore original map position
…		…
1822	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1823	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1824		2692
1825	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1828		2696
1829	$map->load;	2697	$map->load;
1830	$map->load_diag;	2698	$map->load_neighbours;
1831		2699
1832	return unless $self->contr->active;	2700	return unless $self->contr->active;
1833	$self->activate_recursive;
1834		2701
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2703	if ($self->enter_map ($map, $x, $y)) {
1837	}	2704	# entering was successful
1838		2705	delete $self->{_link_recursion};
1839	cf::player->attach (	2706	# only activate afterwards, to support waiting in hooks
1840	on_logout => sub {	2707	$self->activate_recursive;
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},	2708	}
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2709
1853	# try to abort aborted map switching on player login :)	2710	}
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2711
1871	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1872		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1873	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1874		2726
1875	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2738
1878	$self->enter_link;	2739	$self->enter_link;
1879		2740
1880	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
1881	my $map = eval {	2763	my $map = eval {
1882	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
		2769	} else {
		2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772
1884	$map	2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2779	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1889	})->prio (1);	2787	})->prio (1);
1890	}	2788	}
1891		2789
1892	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1893		2791
…		…
1913	}	2811	}
1914		2812
1915	sub prepare_random_map {	2813	sub prepare_random_map {
1916	my ($exit) = @_;	2814	my ($exit) = @_;
1917		2815
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2818	# that depends on the exit object
1923		2819
1924	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2822	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1931	}	2829	}
1932		2830
1933	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1934		2832
1935	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
1938		2836
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2839	undef $fh;
1942	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
1943		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
1946	}	2848	}
1947	}	2849	}
1948		2850
1949	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
1951		2853
1952	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
1953		2855
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2856	$self->enter_link;
1964		2857
1965	(async {	2858	(async {
1966	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
1967	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
1968	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
1969		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
1970	1;	2882	1
1971	}) {	2883	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2888
1977	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
1978	$self->leave_link;	2890	$self->leave_link;
1979	}	2891	}
1980	})->prio (1);	2892	})->prio (1);
1981	}	2893	}
1982		2894
…		…
1993		2905
1994	sub cf::client::send_drawinfo {	2906	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2907	my ($self, $text, $flags) = @_;
1996		2908
1997	utf8::encode $text;	2909	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2911	}
2000		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
		3100	=item $client->ext_msg ($type, @msg)
		3101
		3102	Sends an ext event to the client.
		3103
		3104	=cut
		3105
		3106	sub cf::client::ext_msg($$@) {
		3107	my ($self, $type, @msg) = @_;
		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
		3112	push @msg, msgtype => "event_$type";
		3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
2001		3134
2002	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
2003		3136
2004	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		3140
2008	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	3142	become reliable at some point in the future.
2010		3143
2011	=cut	3144	=cut
2012		3145
2013	sub cf::client::query {	3146	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	3155	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		3157
2025	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2027	}	3162	}
2028		3163
2029	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2030	on_reply => sub {	3170	on_reply => sub {
2031	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2032		3172
2033	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2034	# get handled first	3174	# get handled first
…		…
2046	} else {	3186	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3188	}
2049	}	3189	}
2050	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2051	);	3217	);
2052		3218
2053	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2054		3220
2055	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071		3237
2072	$coro	3238	$coro
2073	}	3239	}
2074		3240
2075	cf::client->attach (	3241	cf::client->attach (
2076	on_destroy => sub {	3242	on_client_destroy => sub {
2077	my ($ns) = @_;	3243	my ($ns) = @_;
2078		3244
2079	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2080	},	3246	},
2081	);	3247	);
…		…
2096	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2098		3264
2099	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2100		3266
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2102		3272
2103	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2104		3274
2105	=pod	3275	=pod
2106		3276
2107	The following fucntions and emthods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2108		3278
2109	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2110	cf::object::player player	3284	cf::object::player
2111	cf::player peaceful	3285	player
2112	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2113		3292
2114	=cut	3293	=cut
2115		3294
2116	for (	3295	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2121	) {	3302	) {
2122	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2125	for @funs;	3305	for @funs;
2126	}	3306	}
2127		3307
…		…
2142		3322
2143	my $qcode = $code;	3323	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2146		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2147	local $_;	3330	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;
2149		3331
2150	my $eval =	3332	my $eval =
2151	"do {\n"	3333	"do {\n"
2152	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2153	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2154	. $code	3336	. $code
2155	. "\n}"	3337	. "\n}"
2156	;	3338	;
2157		3339
		3340	if ($CFG{safe_eval}) {
2158	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2159	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2160	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2161		3349
2162	if ($@) {	3350	if ($@) {
2163	warn "$@";	3351	warn "$@",
2164	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2165	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2166	}	3354	}
2167		3355
2168	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2169	}	3357	}
2170		3358
…		…
2184	=cut	3372	=cut
2185		3373
2186	sub register_script_function {	3374	sub register_script_function {
2187	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2188		3376
2189	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2190	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2191	}	3379	}
2192		3380
2193	=back	3381	=back
2194		3382
2195	=cut	3383	=cut
2196
2197	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268		3384
2269	#############################################################################	3385	#############################################################################
2270	# the server's init and main functions	3386	# the server's init and main functions
2271		3387
2272	sub load_faces {	3388	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3389	my ($path) = @_;
2274		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
2275	warn "loading faces from $path\n";	3397	trace "loading facedata from $path\n";
2276		3398
2277	my $faces;
2278	0 < aio_load $path, $faces	3399	0 < aio_load $path, my $facedata
2279	or die "$path: $!";	3400	or die "$path: $!";
2280		3401
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3402	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3403
		3404	$facedata->{version} == 2
		3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
		3416	{
		3417	my $faces = $facedata->{faceinfo};
		3418
2285	while (my ($face, $info) = each %$faces) {	3419	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3421
		3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2289	Coro::cede;	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3426
		3427	cf::cede_to_tick;
		3428	}
		3429
		3430	while (my ($face, $info) = each %$faces) {
		3431	next unless $info->{smooth};
		3432
		3433	my $idx = cf::face::find $face
		3434	or next;
		3435
		3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
		3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3439	} else {
		3440	error "smooth face '$info->{smooth}' not found for face '$face'";
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
2290	}	3447	{
		3448	my $anims = $facedata->{animinfo};
		3449
		3450	while (my ($anim, $info) = each %$anims) {
		3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3452	cf::cede_to_tick;
		3453	}
		3454
		3455	cf::anim::invalidate_all; # d'oh
		3456	}
		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3476
2292	1	3477	1
2293	}	3478	}
2294		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
		3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
		3503	load_resource_file "$MAPDIR/regions"
		3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
		3510	}
		3511
		3512	sub reload_facedata {
		3513	load_facedata "$DATADIR/facedata"
		3514	or die "unable to load facedata\n";
		3515	}
		3516
		3517	sub reload_archetypes {
		3518	load_resource_file "$DATADIR/archetypes"
		3519	or die "unable to load archetypes\n";
		3520	}
		3521
		3522	sub reload_treasures {
		3523	load_resource_file "$DATADIR/treasures"
		3524	or die "unable to load treasurelists\n";
		3525	}
		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
2295	sub reload_resources {	3550	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3551	trace "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3552
		3553	reload_exp_table;
		3554	reload_materials;
2298	load_faces	3555	reload_facedata;
2299	or die "unable to load faces\n";#d#	3556	reload_sound;
2300	}	3557	reload_archetypes;
2301
2302	sub init {
2303	reload_resources;	3558	reload_regions;
2304	}	3559	reload_treasures;
2305		3560
2306	sub cfg_load {	3561	trace "finished reloading resource files\n";
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3562	}
2308	or return;
2309		3563
2310	local $/;	3564	sub reload_config {
2311	*CFG = YAML::Syck::Load <$fh>;	3565	trace "reloading config file...\n";
2312		3566
		3567	0 < aio_load "$CONFDIR/config", my $config
		3568	or die "$CONFDIR/config: $!";
		3569
		3570	utf8::decode $config;
		3571	*CFG = yaml_load $config;
		3572
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2314		3574
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2317		3577
2318	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2322	};	3582	};
2323	warn $@ if $@;	3583	warn $@ if $@;
2324	}	3584	}
2325	}	3585	}
2326		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2327	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2328	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3628	(async {
2332	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2334	};	3632	};
2335		3633
2336	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
		3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
2337	db_init;	3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2338	load_extensions;	3657	load_extensions;
2339		3658
2340	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2342	}	3677	}
2343		3678
2344	#############################################################################	3679	#############################################################################
2345	# initialisation and cleanup	3680	# initialisation and cleanup
2346		3681
2347	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2348	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2357	},
2358	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2359	}	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2360	}	3778	}
2361		3779
2362	sub emergency_save() {	3780	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2364		3782
2365	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2366		3789
2367	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2368	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3801	$pl->save;
2376	}	3802	}
2377	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2378		3804
2379	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3810	$map->valid or next;
2383	$map->save;	3811	$map->save;
2384	}	3812	}
2385	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
2386		3814
2387	warn "begin emergency database checkpoint\n";	3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3818	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2390	};	3843	};
2391		3844
2392	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2393	}	3846	}
2394		3847
2395	sub post_cleanup {	3848	sub post_cleanup {
2396	my ($make_core) = @_;	3849	my ($make_core) = @_;
2397		3850
		3851	IO::AIO::flush;
		3852
2398	warn Carp::longmess "post_cleanup backtrace"	3853	error Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3854	if $make_core;
2400	}
2401		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
		3883	}
		3884
2402	sub reload() {	3885	sub do_reload_perl() {
2403	# can/must only be called in main	3886	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2405	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2406	return;	3889	return;
2407	}	3890	}
2408		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2409	warn "reloading...";	3898	info "reloading...";
2410		3899
2411	warn "entering sync_job";	3900	trace "entering sync_job";
2412		3901
2413	cf::sync_job {	3902	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark
2415	cf::emergency_save;	3903	#cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark
2417		3904
2418	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;
2420
2421	# if anything goes wrong in here, we should simply crash as we already saved
2422
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();	3907	%EXT_CORO = ();
2442		3908
2443	warn "removing commands";	3909	trace "removing commands";
2444	%COMMAND = ();	3910	%COMMAND = ();
2445		3911
2446	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2447	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2448		3915
2449	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2452		3919
2453	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2454	eval {	3921	eval {
2455	$cb->($pkg);	3922	$cb->($pkg);
2456	1	3923	1
2457	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2458	}	3929	}
2459		3930
2460	warn "... nuking $pkg";
2461	Symbol::delete_package $pkg;
2462	}
2463
2464	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2465	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3934
2468	warn "... unloading $k";	3935	trace "... unloading $k";
2469	delete $INC{$k};	3936	delete $INC{$k};
2470		3937
2471	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2473		3940
2474	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2475	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2476	}	3946	}
2477		3947
2478	Symbol::delete_package $k;
2479	}
2480
2481	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3951
2485	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		3955
2488	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3957	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2491		3959
2492	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2493		3961
2494	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2495	require cf;	3963	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2497		3965
2498	warn "loading config and database again";	3966	trace "loading config and database again";
2499	cf::cfg_load;	3967	cf::reload_config;
2500		3968
2501	warn "loading extensions";	3969	trace "loading extensions";
2502	cf::load_extensions;	3970	cf::load_extensions;
2503		3971
		3972	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3974	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3977	trace "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3978	reattach $_ for values %PLAYER;
		3979	}
2510		3980
2511	warn "loading reloadable resources";	3981	trace "running post_init jobs";
2512	reload_resources;	3982	(pop @POST_INIT)->(1) while @POST_INIT;
2513		3983
2514	warn "leaving sync_job";	3984	trace "leaving sync_job";
2515		3985
2516	1	3986	1
2517	} or do {	3987	} or do {
2518	warn $@;	3988	error $@;
2519	warn "error while reloading, exiting.";	3989	cf::cleanup "error while reloading, exiting.";
2520	exit 1;	3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
		3994	}
		3995
		3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
		3998	};
		3999
		4000	our $RELOAD_WATCHER; # used only during reload
		4001
		4002	sub reload_perl() {
		4003	# doing reload synchronously and two reloads happen back-to-back,
		4004	# coro crashes during coro_state_free->destroy here.
		4005
		4006	$RELOAD_WATCHER ||= cf::async {
		4007	Coro::AIO::aio_wait cache_extensions;
		4008
		4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4010	do_reload_perl;
		4011	undef $RELOAD_WATCHER;
		4012	};
2521	};	4013	};
2522		4014	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		4015
2528	register_command "reload" => sub {	4016	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2530		4018
2531	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
2533		4021	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	4022	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	4023	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	4024	};
2546	}	4025	}
2547	};	4026	};
2548		4027
2549	unshift @INC, $LIBDIR;	4028	#############################################################################
2550		4029
2551	my $bug_warning = 0;	4030	my $bug_warning = 0;
2552		4031
2553	$TICK_WATCHER = Event->timer (	4032	our @WAIT_FOR_TICK;
2554	reentrant => 0,	4033	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	4034
2556	prio => 0,	4035	sub wait_for_tick() {
2557	at => $NEXT_TICK || $TICK,	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	4037
2559	cb => sub {	4038	my $signal = new Coro::Signal;
		4039	push @WAIT_FOR_TICK, $signal;
		4040	$signal->wait;
		4041	}
		4042
		4043	sub wait_for_tick_begin() {
		4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4045
		4046	my $signal = new Coro::Signal;
		4047	push @WAIT_FOR_TICK_BEGIN, $signal;
		4048	$signal->wait;
		4049	}
		4050
		4051	sub tick {
2560	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2563	return;	4055	return;
2564	}	4056	}
2565		4057
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		4059
		4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4061
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	4064	Coro::async_pool {
		4065	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	4066	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	4067	or error "ERROR: unable to write runtime file: $!";
2577	};
2578	}	4068	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	4069	}
2592	);	4070
		4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4072	$sig->send;
		4073	}
		4074	while (my $sig = shift @WAIT_FOR_TICK) {
		4075	$sig->send;
		4076	}
		4077
		4078	$LOAD = ($NOW - $TICK_START) / $TICK;
		4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4080
		4081	if (0) {
		4082	if ($NEXT_TICK) {
		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
		4087	}
		4088	}
2593		4089
2594	{	4090	{
2595	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	4092
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
2605		4094	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		4096
2621	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		4104
2624	cf::sync_job {	4105	cf::sync_job {
2625	eval {	4106	eval {
2626	BDB::db_env_open	4107	BDB::db_env_open
2627	$DB_ENV,	4108	$DB_ENV,
2628	$BDB_ENV_DIR,	4109	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	4112	0666;
2632		4113
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	4115	};
2638		4116
2639	cf::cleanup "db_env_open(db): $@" if $@;	4117	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	4118	};
2641	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
2642	}	4130	}
2643		4131
2644	{	4132	{
		4133	# configure IO::AIO
		4134
2645	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	4138	}
		4139
		4140	my $_log_backtrace;
		4141
		4142	sub _log_backtrace {
		4143	my ($msg, @addr) = @_;
		4144
		4145	$msg =~ s/\n//;
		4146
		4147	# limit the # of concurrent backtraces
		4148	if ($_log_backtrace < 2) {
		4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
		4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
		4154	my @bt = fork_call {
		4155	@addr = map { sprintf "%x", $_ } @addr;
		4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4158	or die "addr2line: $!";
		4159
		4160	my @funcs;
		4161	my @res = <$fh>;
		4162	chomp for @res;
		4163	while (@res) {
		4164	my ($func, $line) = splice @res, 0, 2, ();
		4165	push @funcs, "[$func] $line";
		4166	}
		4167
		4168	@funcs
		4169	};
		4170
		4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4173	LOG llevInfo, "[ABT] $_\n" for @bt;
		4174	--$_log_backtrace;
		4175	};
		4176	} else {
		4177	LOG llevInfo, "[ABT] $msg\n";
		4178	LOG llevInfo, "[ABT] [suppressed]\n";
		4179	}
		4180	}
		4181
		4182	# load additional modules
		4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
2658		4185
2659	END { cf::emergency_save }	4186	END { cf::emergency_save }
2660		4187
2661	1	4188	1
2662		4189

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