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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 1.558 by root, Tue Oct 5 22:35:30 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 $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
230	}	403	}
231		404
232	=item cf::lock_wait $string	405	=item cf::lock_wait $string
233		406
234	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
235		408
236	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
237		410
238	Wait until the given lock is available and then acquires it and returns	411	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,	412	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	413	for example when the coroutine gets canceled), the lock is automatically
241	returned.	414	returned.
242		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
243	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
245		421
246	=cut	422	=item $locked = cf::lock_active $string
247		423
248	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
249		429
250	sub lock_wait($) {	430	sub lock_wait($) {
251	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	432	}
259		433
260	sub lock_acquire($) {	434	sub lock_acquire($) {
261	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
262		437
263	# wait, to be sure we are not locked	438	sub lock_active($) {
264	lock_wait $key;	439	$LOCKS->count ($_[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	}	440	}
273		441
274	sub freeze_mainloop {	442	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
276		444
277	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
278	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
279	};	512	}
280	$TICK_WATCHER->stop;	513	};
281	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
282	}	528	}
283		529
284	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
285		531
286	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		537
292	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
293		539
294	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
295		541
296	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
299		546
300	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
303	fast or be very important.	550	fast or be very important.
…		…
305	=cut	552	=cut
306		553
307	sub sync_job(&) {	554	sub sync_job(&) {
308	my ($job) = @_;	555	my ($job) = @_;
309		556
310	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
311	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
313		562
314	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	564
316	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
317		566
318	my $busy = 1;	567	my $busy = 1;
319	my @res;	568	my @res;
320		569
321	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	572	@res = eval { $job->() };
323	warn $@ if $@;	573	error $@ if $@;
324	undef $busy;	574	undef $busy;
325	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
326		576
327	while ($busy) {	577	while ($busy) {
328	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
329	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
330		588
331	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
332	} else {	590	} else {
333	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
334		592
…		…
354	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
355		613
356	$coro	614	$coro
357	}	615	}
358		616
359	sub write_runtime {	617	=item fork_call { }, @args
360	my $guard = cf::lock_acquire "write_runtime";
361		618
362	my $runtime = cf::localdir . "/runtime";	619	Executes the given code block with the given arguments in a seperate
		620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
363		623
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
365	or return;
366		625
367	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
368	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
369	# 60 allows for the watchdog to kill the server.	628	}
370		629
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
372	and return;	631	my ($cb, @args) = @_;
373		632
374	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
375	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
376	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
377		636
378	close $fh	637	my @res = Coro::Util::fork_eval {
379	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
380		641
381	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
382	and return;	643	}
383		644
		645	sub objinfo {
384	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	821	}
386		822
387	=back	823	=back
388		824
389	=cut	825	=cut
390		826
391	#############################################################################	827	#############################################################################
392		828
393	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
394		830
395	Many objects in crossfire are so-called attachable objects. That means you can	831	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")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
398		834
399	In the following description, CLASS can be any of C<global>, C<object>	835	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	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	837	Deliantra).
402		838
403	=over 4	839	=over 4
404		840
405	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
406		842
…		…
450	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
451		887
452	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
454		890
455	Some classes such as crossfire maps and objects can specify attachments	891	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.	892	that are attached at load/instantiate time, thus the need for a name.
457		893
458	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
459		895
460	=over 4	896	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
570		1006
571	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1011
576	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
578		1014
579	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
584		1020
585	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1023
588	} elsif (ref $type) {	1024	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
590		1026
591	} else {	1027	} else {
592	shift @arg;	1028	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
594	}	1030	}
595	}	1031	}
596	}	1032	}
597		1033
598	sub _object_attach {	1034	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
609	}	1045	}
610		1046
611	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
612	} else {	1048	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1050	}
615		1051
616	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
617	}	1053	}
618		1054
…		…
620	if (ref $_[0]) {	1056	if (ref $_[0]) {
621	_object_attach @_;	1057	_object_attach @_;
622	} else {	1058	} else {
623	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
624	}	1060	}
		1061	_recalc_want;
625	};	1062	};
626		1063
627	# all those should be optimised	1064	# all those should be optimised
628	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1070	reattach ($obj);
634	} else {	1071	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
636	}	1073	}
		1074	_recalc_want;
637	};	1075	};
638		1076
639	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
641		1079
…		…
656	";	1094	";
657	die if $@;	1095	die if $@;
658	}	1096	}
659		1097
660	our $override;	1098	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1100
663	sub override {	1101	sub override {
664	$override = 1;	1102	$override = 1;
665	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
666	}	1104	}
667		1105
668	sub do_invoke {	1106	sub do_invoke {
669	my $event = shift;	1107	my $event = shift;
670	my $callbacks = shift;	1108	my $callbacks = shift;
671		1109
672	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
673		1111
674	local $override;	1112	local $override;
675		1113
676	for (@$callbacks) {	1114	for (@$callbacks) {
677	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
678		1116
679	if ($@) {	1117	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1119	override;
683	}	1120	}
684		1121
685	return 1 if $override;	1122	return 1 if $override;
686	}	1123	}
687		1124
688	0	1125	0
689	}	1126	}
690		1127
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1129
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1131
695	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
696		1133
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	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	1135	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1137
701	=back	1138	=back
702		1139
703	=cut	1140	=cut
704		1141
705	#############################################################################	1142	#############################################################################
706	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
707		1186
708	sub reattach {	1187	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1189	my ($obj) = @_;
711		1190
		1191	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1193
714	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
715		1195
716	@$registry = ();	1196	@$registry = ();
717		1197
…		…
722	for (@$attach) {	1202	for (@$attach) {
723	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
725	}	1205	}
726	} else {	1206	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1208	}
729	}	1209	}
730	}	1210	}
731		1211
732	cf::attachable->attach (	1212	cf::attachable->attach (
733	prio => -1000000,	1213	prio => -1000000,
734	on_instantiate => sub {	1214	on_instantiate => sub {
735	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
736		1216
737	$data = from_json $data;	1217	$data = decode_json $data;
738		1218
739	for (@$data) {	1219	for (@$data) {
740	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
741		1221
742	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1238	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
760		1240
761	sync_job {	1241	sync_job {
762	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
765		1247
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	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;
		1253	aio_fsync $fh;
		1254	}
770	close $fh;	1255	aio_close $fh;
771		1256
772	if (@$objs) {	1257	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	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;
		1264	aio_fsync $fh;
		1265	}
778	close $fh;	1266	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
780	}	1268	}
781	} else {	1269	} else {
782	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
783	}	1271	}
784		1272
785	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1277	} else {
787	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
788	}	1279	}
789	} else {	1280	} else {
790	aio_unlink $filename;	1281	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
792	}	1283	}
793	}	1284	};
794	}	1285	}
795		1286
796	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
798		1289
…		…
810	or return;	1301	or return;
811		1302
812	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
814	or return;	1305	or return;
		1306
815	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
816	}	1309	}
817		1310
		1311	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
820	return ($data, $av);	1316	($data, $av)
821	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
822		1324
823	#############################################################################	1325	#############################################################################
824	# command handling &c	1326	# command handling &c
825		1327
826	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1342	}
841		1343
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1345
844	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
845		1351
846	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
847	called.	1353	called.
848		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
849	=cut	1366	=cut
850		1367
851	sub register_extcmd {	1368	sub register_extcmd {
852	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
853		1370
854	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
855	}	1372	}
856		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
857	cf::player->attach (	1382	cf::player->attach (
858	on_command => sub {	1383	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
860		1385
861	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
862	or return;	1387	or return;
863		1388
…		…
868	cf::override;	1393	cf::override;
869	},	1394	},
870	on_extcmd => sub {	1395	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
872		1397
873	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1399
875	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
881	} else {	1415	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1417	}
884		1418
885	cf::override;	1419	cf::override;
886	},	1420	},
887	);	1421	);
888		1422
		1423	# "readahead" all extensions
889	sub load_extension {	1424	sub cache_extensions {
890	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
891		1426
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1429	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	}	1430	}
917	die $@;
918	}	1431	};
919		1432
920	push @EXTS, $pkg;	1433	$grp
921	}	1434	}
922		1435
923	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
924	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1443	next unless -r $path;
926	eval {	1444
927	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
928	1	1508	}
929	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
930	}	1519	};
931	}	1520	}
932		1521
933	#############################################################################	1522	#############################################################################
934		1523
		1524	=back
		1525
935	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
936		1527
937	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
938		1529
939	=cut	1530	=cut
940		1531
941	package cf::player;	1532	package cf::player;
942		1533
…		…
944		1535
945	=head3 cf::player	1536	=head3 cf::player
946		1537
947	=over 4	1538	=over 4
948		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
949	=item cf::player::find $login	1554	=item cf::player::find $login
950		1555
951	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
952		1557
953	=cut	1558	=cut
954		1559
955	sub playerdir($) {	1560	sub playerdir($) {
956	cf::localdir	1561	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1563	}
962		1564
963	sub path($) {	1565	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1567
966	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
967	}	1569	}
968		1570
969	sub find_active($) {	1571	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
974		1576
975	sub exists($) {	1577	sub exists($) {
976	my ($login) = @_;	1578	my ($login) = @_;
977		1579
978	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
980	}	1582	}
981		1583
982	sub find($) {	1584	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1586	my $login = $_[0];
985		1587
986	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
987		1589
988	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
990	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
992	}	1607	}
993	}	1608	}
994	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
995		1623
996	sub save($) {	1624	sub save($) {
997	my ($pl) = @_;	1625	my ($pl) = @_;
998		1626
999	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1004	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1005		1633
1006	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1008		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1009	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1010	Coro::cede;	1643	cf::cede_to_tick;
1011	}	1644	}
1012		1645
1013	sub new($) {	1646	sub new($) {
1014	my ($login) = @_;	1647	my ($login) = @_;
1015		1648
…		…
1021	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1022		1655
1023	$self	1656	$self
1024	}	1657	}
1025		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1026	=item $pl->quit_character	1669	=item $pl->quit_character
1027		1670
1028	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1030		1673
…		…
1034	my ($pl) = @_;	1677	my ($pl) = @_;
1035		1678
1036	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1037		1680
1038	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1039	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1040		1683
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1042	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1044	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1045		1692
1046	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1048	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1077	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1078		1725
1079	=cut	1726	=cut
1080		1727
1081	sub list_logins {	1728	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1730	or return [];
1084		1731
1085	my @logins;	1732	my @logins;
1086		1733
1087	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1091		1744
1092	utf8::decode $login;	1745	utf8::decode $login;
1093	push @logins, $login;	1746	push @logins, $login;
1094	}	1747	}
1095		1748
1096	\@logins	1749	\@logins
1097	}	1750	}
1098		1751
1099	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1100		1755
1101	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1102	player. May block.	1757	player. May block.
1103		1758
1104	=cut	1759	=cut
…		…
1122	}	1777	}
1123		1778
1124	\@paths	1779	\@paths
1125	}	1780	}
1126		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1128		1787
1129	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1130		1789
1131	=cut	1790	=cut
1132		1791
1133	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1135		1794
1136	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1796	}
1140		1797
1141	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1142		1840
1143	=back	1841	=back
1144
1145		1842
1146	=head3 cf::map	1843	=head3 cf::map
1147		1844
1148	=over 4	1845	=over 4
1149		1846
…		…
1161	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1163		1860
1164	sub generate_random_map {	1861	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1166	# mit "rum" bekleckern, nicht	1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1167	$self->_create_random_map (	1866	$self->_create_random_map ($rmp);
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1171	$rmp->{exit_on_final_map},
1172	$rmp->{xsize}, $rmp->{ysize},
1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1178	(cf::region::find $rmp->{region}), $rmp->{custom}
1179	)
1180	}	1867	}
1181		1868
1182	=item cf::map->register ($regex, $prio)	1869	=item cf::map->register ($regex, $prio)
1183		1870
1184	Register a handler for the map path matching the given regex at the	1871	Register a handler for the map path matching the given regex at the
…		…
1189		1876
1190	sub register {	1877	sub register {
1191	my (undef, $regex, $prio) = @_;	1878	my (undef, $regex, $prio) = @_;
1192	my $pkg = caller;	1879	my $pkg = caller;
1193		1880
1194	no strict;
1195	push @{"$pkg\::ISA"}, __PACKAGE__;	1881	push @{"$pkg\::ISA"}, __PACKAGE__;
1196		1882
1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1883	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198	}	1884	}
1199		1885
1200	# also paths starting with '/'	1886	# also paths starting with '/'
1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1887	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1202		1888
1203	sub thawer_merge {	1889	sub thawer_merge {
1204	my ($self, $merge) = @_;	1890	my ($self, $merge) = @_;
1205		1891
1206	# we have to keep some variables in memory intact	1892	# we have to keep some variables in memory intact
1207	local $self->{path};	1893	local $self->{path};
1208	local $self->{load_path};	1894	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1895
1212	$self->SUPER::thawer_merge ($merge);	1896	$self->SUPER::thawer_merge ($merge);
1213	}	1897	}
1214		1898
1215	sub normalise {	1899	sub normalise {
1216	my ($path, $base) = @_;	1900	my ($path, $base) = @_;
1217		1901
1218	$path = "$path"; # make sure its a string	1902	$path = "$path"; # make sure it's a string
1219		1903
1220	$path =~ s/\.map$//;	1904	$path =~ s/\.map$//;
1221		1905
1222	# map plan:	1906	# map plan:
1223	#	1907	#
…		…
1238	$base =~ s{[^/]+/?$}{};	1922	$base =~ s{[^/]+/?$}{};
1239	$path = "$base/$path";	1923	$path = "$base/$path";
1240	}	1924	}
1241		1925
1242	for ($path) {	1926	for ($path) {
1243	redo if s{//}{/};
1244	redo if s{/\.?/}{/};	1927	redo if s{/\.?/}{/};
1245	redo if s{/[^/]+/\.\./}{/};	1928	redo if s{/[^/]+/\.\./}{/};
1246	}	1929	}
1247		1930
1248	$path	1931	$path
…		…
1262	$self->init; # pass $1 etc.	1945	$self->init; # pass $1 etc.
1263	return $self;	1946	return $self;
1264	}	1947	}
1265	}	1948	}
1266		1949
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1950	Carp::cluck "unable to resolve path '$path' (base '$base')";
1268	()	1951	()
1269	}	1952	}
1270		1953
1271	sub init {	1954	sub init {
1272	my ($self) = @_;	1955	my ($self) = @_;
…		…
1287		1970
1288	# the original (read-only) location	1971	# the original (read-only) location
1289	sub load_path {	1972	sub load_path {
1290	my ($self) = @_;	1973	my ($self) = @_;
1291		1974
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1975	"$MAPDIR/$self->{path}.map"
1293	}	1976	}
1294		1977
1295	# the temporary/swap location	1978	# the temporary/swap location
1296	sub save_path {	1979	sub save_path {
1297	my ($self) = @_;	1980	my ($self) = @_;
1298		1981
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1982	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1983	"$TMPDIR/$path.map"
1301	}	1984	}
1302		1985
1303	# the unique path, undef == no special unique path	1986	# the unique path, undef == no special unique path
1304	sub uniq_path {	1987	sub uniq_path {
1305	my ($self) = @_;	1988	my ($self) = @_;
1306		1989
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1990	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1991	"$UNIQUEDIR/$path"
1309	}	1992	}
1310		1993
1311	# and all this just because we cannot iterate over	1994	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	1995	my ($self) = @_;
1315		1996
1316	$_->change_map_light ($change)	1997	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	1998
		1999	$self->do_decay_objects;
1318	}	2000	}
1319		2001
1320	sub unlink_save {	2002	sub unlink_save {
1321	my ($self) = @_;	2003	my ($self) = @_;
1322		2004
…		…
1327		2009
1328	sub load_header_from($) {	2010	sub load_header_from($) {
1329	my ($self, $path) = @_;	2011	my ($self, $path) = @_;
1330		2012
1331	utf8::encode $path;	2013	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	2014	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	2015	or return;
		2016
		2017	$self->_load_header ($f)
		2018	or return;
		2019
		2020	local $MAP_LOADING{$self->{path}} = $self;
		2021	$f->resolve_delayed_derefs;
1337		2022
1338	$self->{load_path} = $path;	2023	$self->{load_path} = $path;
1339		2024
1340	1	2025	1
1341	}	2026	}
…		…
1380	$self->load_header_orig	2065	$self->load_header_orig
1381	or return;	2066	or return;
1382	$self->prepare_orig;	2067	$self->prepare_orig;
1383	}	2068	}
1384		2069
		2070	$self->{deny_reset} = 1
		2071	if $self->no_reset;
		2072
		2073	$self->default_region (cf::region::find_by_path $self->{path})
		2074	unless $self->default_region;
		2075
1385	1	2076	1
1386	}	2077	}
1387		2078
1388	sub find;	2079	sub find;
1389	sub find {	2080	sub find {
1390	my ($path, $origin) = @_;	2081	my ($path, $origin) = @_;
1391		2082
		2083	cf::cede_to_tick;
		2084
1392	$path = normalise $path, $origin && $origin->path;	2085	$path = normalise $path, $origin && $origin->path;
1393		2086
		2087	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2088	my $guard2 = cf::lock_acquire "map_find:$path";
1395		2089
1396	$cf::MAP{$path} || do {	2090	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	2091	my $map = new_from_path cf::map $path
1399	or return;	2092	or return;
1400		2093
1401	$map->{last_save} = $cf::RUNTIME;	2094	$map->{last_save} = $cf::RUNTIME;
1402		2095
1403	$map->load_header	2096	$map->load_header
1404	or return;	2097	or return;
1405		2098
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2099	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2100	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2101	#$cf::WAIT_FOR_TICK->wait;
		2102	undef $guard2;
		2103	undef $guard1;
1409	$map->reset;	2104	$map->reset;
1410	undef $guard;
1411	return find $path;	2105	return find $path;
1412	}	2106	}
1413		2107
1414	$cf::MAP{$path} = $map	2108	$cf::MAP{$path} = $map
1415	}	2109	}
1416	}	2110	}
1417		2111
1418	sub pre_load { }	2112	sub pre_load { }
1419	sub post_load { }	2113	#sub post_load { } # XS
1420		2114
1421	sub load {	2115	sub load {
1422	my ($self) = @_;	2116	my ($self) = @_;
1423		2117
1424	local $self->{deny_reset} = 1; # loading can take a long time	2118	local $self->{deny_reset} = 1; # loading can take a long time
1425		2119
1426	my $path = $self->{path};	2120	my $path = $self->{path};
		2121
		2122	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2123	my $guard = cf::lock_acquire "map_data:$path";
1428		2124
		2125	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2126	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2127
1431	$self->in_memory (cf::MAP_LOADING);	2128	$self->in_memory (cf::MAP_LOADING);
1432		2129
1433	$self->alloc;	2130	$self->alloc;
1434		2131
1435	$self->pre_load;	2132	$self->pre_load;
		2133	cf::cede_to_tick;
1436		2134
1437	$self->_load_objects ($self->{load_path}, 1)	2135	my $f = new_from_file cf::object::thawer $self->{load_path};
		2136	$f->skip_block;
		2137	$self->_load_objects ($f)
1438	or return;	2138	or return;
1439		2139
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2140	$self->post_load_original
1441	if delete $self->{load_original};	2141	if delete $self->{load_original};
1442		2142
1443	if (my $uniq = $self->uniq_path) {	2143	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2144	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2145	unless (aio_stat $uniq) {
		2146	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2147	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2148	$self->_load_objects ($f);
		2149	$f->resolve_delayed_derefs;
		2150	}
1448	}	2151	}
1449	}	2152	}
1450		2153
1451	Coro::cede;	2154	$f->resolve_delayed_derefs;
1452		2155
		2156	cf::cede_to_tick;
1453	# now do the right thing for maps	2157	# now do the right thing for maps
1454	$self->link_multipart_objects;	2158	$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)	2159	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2160	unless $self->difficulty;
1464	Coro::cede;	2161	cf::cede_to_tick;
		2162
		2163	unless ($self->{deny_activate}) {
		2164	$self->decay_objects;
		2165	$self->fix_auto_apply;
		2166	$self->update_buttons;
		2167	cf::cede_to_tick;
1465	$self->activate;	2168	$self->activate;
		2169	}
		2170
		2171	$self->{last_save} = $cf::RUNTIME;
		2172	$self->last_access ($cf::RUNTIME);
		2173
		2174	$self->in_memory (cf::MAP_ACTIVE);
1466	}	2175	}
1467		2176
1468	$self->post_load;	2177	$self->post_load;
1469		2178
1470	$self->in_memory (cf::MAP_IN_MEMORY);	2179	1
1471	}	2180	}
1472		2181
		2182	# customize the map for a given player, i.e.
		2183	# return the _real_ map. used by e.g. per-player
		2184	# maps to change the path to ~playername/mappath
1473	sub customise_for {	2185	sub customise_for {
1474	my ($self, $ob) = @_;	2186	my ($self, $ob) = @_;
1475		2187
1476	return find "~" . $ob->name . "/" . $self->{path}	2188	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2189	if $self->per_player;
1478		2190
		2191	# return find "?party/" . $ob->name . "/" . $self->{path}
		2192	# if $self->per_party;
		2193
1479	$self	2194	$self
1480	}	2195	}
1481		2196
1482	# find and load all maps in the 3x3 area around a map	2197	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2198	sub load_neighbours {
1484	my ($map) = @_;	2199	my ($map) = @_;
1485		2200
1486	my @diag; # diagonal neighbours	2201	my @neigh; # diagonal neighbours
1487		2202
1488	for (0 .. 3) {	2203	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2204	my $neigh = $map->tile_path ($_)
1490	or next;	2205	or next;
1491	$neigh = find $neigh, $map	2206	$neigh = find $neigh, $map
1492	or next;	2207	or next;
1493	$neigh->load;	2208	$neigh->load;
1494		2209
		2210	# now find the diagonal neighbours
		2211	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2212	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2213	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2214	}
1498		2215
1499	for (@diag) {	2216	for (grep defined $_->[0], @neigh) {
		2217	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2218	my $neigh = find $path, $origin
1501	or next;	2219	or next;
1502	$neigh->load;	2220	$neigh->load;
1503	}	2221	}
1504	}	2222	}
1505		2223
1506	sub find_sync {	2224	sub find_sync {
1507	my ($path, $origin) = @_;	2225	my ($path, $origin) = @_;
1508		2226
1509	cf::sync_job { find $path, $origin }	2227	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2228	if $Coro::current == $Coro::main;
		2229
		2230	find $path, $origin
1510	}	2231	}
1511		2232
1512	sub do_load_sync {	2233	sub do_load_sync {
1513	my ($map) = @_;	2234	my ($map) = @_;
1514		2235
1515	cf::sync_job { $map->load };	2236	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2237	if $Coro::current == $Coro::main;
		2238
		2239	$map->load;
1516	}	2240	}
1517		2241
1518	our %MAP_PREFETCH;	2242	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2243	our $MAP_PREFETCHER = undef;
1520		2244
1521	sub find_async {	2245	sub find_async {
1522	my ($path, $origin) = @_;	2246	my ($path, $origin, $load) = @_;
1523		2247
1524	$path = normalise $path, $origin && $origin->{path};	2248	$path = normalise $path, $origin && $origin->{path};
1525		2249
1526	if (my $map = $cf::MAP{$path}) {	2250	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2251	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1528	}	2252	}
1529		2253
1530	undef $MAP_PREFETCH{$path};	2254	$MAP_PREFETCH{$path} |= $load;
		2255
1531	$MAP_PREFETCHER ||= cf::async {	2256	$MAP_PREFETCHER ||= cf::async {
		2257	$Coro::current->{desc} = "map prefetcher";
		2258
1532	while (%MAP_PREFETCH) {	2259	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2260	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2261	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2262	$map->load if $v;
		2263	}
1537		2264
1538	delete $MAP_PREFETCH{$path};	2265	delete $MAP_PREFETCH{$k};
1539	}	2266	}
1540	}	2267	}
1541	undef $MAP_PREFETCHER;	2268	undef $MAP_PREFETCHER;
1542	};	2269	};
1543	$MAP_PREFETCHER->prio (6);	2270	$MAP_PREFETCHER->prio (6);
1544		2271
1545	()	2272	()
1546	}	2273	}
1547		2274
		2275	# common code, used by both ->save and ->swapout
1548	sub save {	2276	sub _save {
1549	my ($self) = @_;	2277	my ($self) = @_;
1550
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1552		2278
1553	$self->{last_save} = $cf::RUNTIME;	2279	$self->{last_save} = $cf::RUNTIME;
1554		2280
1555	return unless $self->dirty;	2281	return unless $self->dirty;
1556		2282
…		…
1562	return if $self->{deny_save};	2288	return if $self->{deny_save};
1563		2289
1564	local $self->{last_access} = $self->last_access;#d#	2290	local $self->{last_access} = $self->last_access;#d#
1565		2291
1566	cf::async {	2292	cf::async {
		2293	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2294	$_->contr->save for $self->players;
1568	};	2295	};
		2296
		2297	cf::get_slot 0.02;
1569		2298
1570	if ($uniq) {	2299	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2300	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2301	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2302	} else {
1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2303	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1575	}	2304	}
1576	}	2305	}
1577		2306
		2307	sub save {
		2308	my ($self) = @_;
		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	$self->_save;
		2313	}
		2314
1578	sub swap_out {	2315	sub swap_out {
1579	my ($self) = @_;	2316	my ($self) = @_;
1580		2317
1581	# save first because save cedes
1582	$self->save;
1583
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2318	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2319
		2320	return if $self->in_memory != cf::MAP_ACTIVE;
		2321	return if $self->{deny_save};
1586	return if $self->players;	2322	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};
1589		2323
		2324	# first deactivate the map and "unlink" it from the core
		2325	$self->deactivate;
		2326	$_->clear_links_to ($self) for values %cf::MAP;
		2327	$self->in_memory (cf::MAP_SWAPPED);
		2328
		2329	# then atomically save
		2330	$self->_save;
		2331
		2332	# then free the map
1590	$self->clear;	2333	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2334	}
1593		2335
1594	sub reset_at {	2336	sub reset_at {
1595	my ($self) = @_;	2337	my ($self) = @_;
1596		2338
1597	# TODO: safety, remove and allow resettable per-player maps	2339	# 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};	2340	return 1e99 if $self->{deny_reset};
1600		2341
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2342	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2343	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2344
…		…
1614	my ($self) = @_;	2355	my ($self) = @_;
1615		2356
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2358
1618	return if $self->players;	2359	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2360
1621	warn "resetting map ", $self->path;#d#	2361	cf::trace "resetting map ", $self->path, "\n";
1622		2362
1623	$self->in_memory (cf::MAP_SWAPPED);	2363	$self->in_memory (cf::MAP_SWAPPED);
1624		2364
1625	# need to save uniques path	2365	# need to save uniques path
1626	unless ($self->{deny_save}) {	2366	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2370	if $uniq;
1631	}	2371	}
1632		2372
1633	delete $cf::MAP{$self->path};	2373	delete $cf::MAP{$self->path};
1634		2374
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2377	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2378
1639	$self->unlink_save;	2379	$self->unlink_save;
1640	$self->destroy;	2380	$self->destroy;
1641	}	2381	}
1642		2382
1643	my $nuke_counter = "aaaa";	2383	my $nuke_counter = "aaaa";
1644		2384
1645	sub nuke {	2385	sub nuke {
1646	my ($self) = @_;	2386	my ($self) = @_;
1647		2387
		2388	{
		2389	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2390
1648	delete $cf::MAP{$self->path};	2391	delete $cf::MAP{$self->path};
1649		2392
1650	$self->unlink_save;	2393	$self->unlink_save;
1651		2394
1652	bless $self, "cf::map";	2395	bless $self, "cf::map::wrap";
1653	delete $self->{deny_reset};	2396	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2397	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2398	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2399	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2400
1658	$cf::MAP{$self->path} = $self;	2401	$cf::MAP{$self->path} = $self;
		2402	}
1659		2403
1660	$self->reset; # polite request, might not happen	2404	$self->reset; # polite request, might not happen
		2405	}
		2406
		2407	=item $maps = cf::map::tmp_maps
		2408
		2409	Returns an arrayref with all map paths of currently instantiated and saved
		2410	maps. May block.
		2411
		2412	=cut
		2413
		2414	sub tmp_maps() {
		2415	[
		2416	map {
		2417	utf8::decode $_;
		2418	/\.map$/
		2419	? normalise $_
		2420	: ()
		2421	} @{ aio_readdir $TMPDIR or [] }
		2422	]
		2423	}
		2424
		2425	=item $maps = cf::map::random_maps
		2426
		2427	Returns an arrayref with all map paths of currently instantiated and saved
		2428	random maps. May block.
		2429
		2430	=cut
		2431
		2432	sub random_maps() {
		2433	[
		2434	map {
		2435	utf8::decode $_;
		2436	/\.map$/
		2437	? normalise "?random/$_"
		2438	: ()
		2439	} @{ aio_readdir $RANDOMDIR or [] }
		2440	]
1661	}	2441	}
1662		2442
1663	=item cf::map::unique_maps	2443	=item cf::map::unique_maps
1664		2444
1665	Returns an arrayref of paths of all shared maps that have	2445	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2446	instantiated unique items. May block.
1667		2447
1668	=cut	2448	=cut
1669		2449
1670	sub unique_maps() {	2450	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2451	[
1672	or return;	2452	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2453	utf8::decode $_;
1678	next if /\.pst$/;	2454	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2455	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2456	? ()
1681	push @paths, cf::map::normalise $_;	2457	: normalise $_
		2458	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2459	]
1683
1684	\@paths
1685	}	2460	}
1686		2461
1687	package cf;	2462	=item cf::map::static_maps
		2463
		2464	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2465	file in the shared directory excluding F</styles> and F</editor>). May
		2466	block.
		2467
		2468	=cut
		2469
		2470	sub static_maps() {
		2471	my @dirs = "";
		2472	my @maps;
		2473
		2474	while (@dirs) {
		2475	my $dir = shift @dirs;
		2476
		2477	next if $dir eq "/styles" || $dir eq "/editor";
		2478
		2479	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2480	or return;
		2481
		2482	for (@$files) {
		2483	s/\.map$// or next;
		2484	utf8::decode $_;
		2485	push @maps, "$dir/$_";
		2486	}
		2487
		2488	push @dirs, map "$dir/$_", @$dirs;
		2489	}
		2490
		2491	\@maps
		2492	}
1688		2493
1689	=back	2494	=back
1690		2495
1691	=head3 cf::object	2496	=head3 cf::object
1692		2497
…		…
1696		2501
1697	=over 4	2502	=over 4
1698		2503
1699	=item $ob->inv_recursive	2504	=item $ob->inv_recursive
1700		2505
1701	Returns the inventory of the object _and_ their inventories, recursively.	2506	Returns the inventory of the object I<and> their inventories, recursively,
		2507	but I<not> the object itself.
1702		2508
1703	=cut	2509	=cut
1704		2510
1705	sub inv_recursive_;	2511	sub inv_recursive_;
1706	sub inv_recursive_ {	2512	sub inv_recursive_ {
…		…
1709		2515
1710	sub inv_recursive {	2516	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2517	inv_recursive_ inv $_[0]
1712	}	2518	}
1713		2519
		2520	=item $ref = $ob->ref
		2521
		2522	Creates and returns a persistent reference to an object that can be stored as a string.
		2523
		2524	=item $ob = cf::object::deref ($refstring)
		2525
		2526	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2527	even if the object actually exists. May block.
		2528
		2529	=cut
		2530
		2531	sub deref {
		2532	my ($ref) = @_;
		2533
		2534	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2535	my ($uuid, $name) = ($1, $2);
		2536	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2537	or return;
		2538	$pl->ob->uuid eq $uuid
		2539	or return;
		2540
		2541	$pl->ob
		2542	} else {
		2543	warn "$ref: cannot resolve object reference\n";
		2544	undef
		2545	}
		2546	}
		2547
1714	package cf;	2548	package cf;
1715		2549
1716	=back	2550	=back
1717		2551
1718	=head3 cf::object::player	2552	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2558	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	2559	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2560	dialogue with the given NPC character.
1727		2561
1728	=cut	2562	=cut
		2563
		2564	our $SAY_CHANNEL = {
		2565	id => "say",
		2566	title => "Map",
		2567	reply => "say ",
		2568	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2569	};
		2570
		2571	our $CHAT_CHANNEL = {
		2572	id => "chat",
		2573	title => "Chat",
		2574	reply => "chat ",
		2575	tooltip => "Player chat and shouts, global to the server.",
		2576	};
1729		2577
1730	# rough implementation of a future "reply" method that works	2578	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2579	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2580	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2581	sub cf::object::player::reply($$$;$) {
…		…
1735		2583
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2584	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2585
1738	if ($self->{record_replies}) {	2586	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2587	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2588
1740	} else {	2589	} else {
		2590	my $pl = $self->contr;
		2591
		2592	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2593	my $dialog = $pl->{npc_dialog};
		2594	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2595
		2596	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2597	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2598	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2599	}
1743	}	2600	}
		2601	}
		2602
		2603	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2604
		2605	=cut
		2606
		2607	sub cf::object::send_msg {
		2608	my $pl = shift->contr
		2609	or return;
		2610	$pl->send_msg (@_);
1744	}	2611	}
1745		2612
1746	=item $player_object->may ("access")	2613	=item $player_object->may ("access")
1747		2614
1748	Returns wether the given player is authorized to access resource "access"	2615	Returns wether the given player is authorized to access resource "access"
…		…
1761		2628
1762	=item $player_object->enter_link	2629	=item $player_object->enter_link
1763		2630
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2631	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2632
1766	The player should be reasonably safe there for short amounts of time. You	2633	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.	2634	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2635	though, as the player cannot control the character while it is on the link
		2636	map.
1768		2637
1769	Will never block.	2638	Will never block.
1770		2639
1771	=item $player_object->leave_link ($map, $x, $y)	2640	=item $player_object->leave_link ($map, $x, $y)
1772		2641
…		…
1792	sub cf::object::player::enter_link {	2661	sub cf::object::player::enter_link {
1793	my ($self) = @_;	2662	my ($self) = @_;
1794		2663
1795	$self->deactivate_recursive;	2664	$self->deactivate_recursive;
1796		2665
		2666	++$self->{_link_recursion};
		2667
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2668	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2669
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2670	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2671	if $self->map && $self->map->{path} ne "{link}";
1801		2672
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2673	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1803	}	2674	}
1804		2675
1805	sub cf::object::player::leave_link {	2676	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2677	my ($self, $map, $x, $y) = @_;
		2678
		2679	return unless $self->contr->active;
1807		2680
1808	my $link_pos = delete $self->{_link_pos};	2681	my $link_pos = delete $self->{_link_pos};
1809		2682
1810	unless ($map) {	2683	unless ($map) {
1811	# restore original map position	2684	# restore original map position
…		…
1822	($x, $y) = (-1, -1)	2695	($x, $y) = (-1, -1)
1823	unless (defined $x) && (defined $y);	2696	unless (defined $x) && (defined $y);
1824		2697
1825	# use -1 or undef as default coordinates, not 0, 0	2698	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2699	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2700	if $x <= 0 && $y <= 0;
1828		2701
1829	$map->load;	2702	$map->load;
1830	$map->load_diag;	2703	$map->load_neighbours;
1831		2704
1832	return unless $self->contr->active;	2705	return unless $self->contr->active;
1833	$self->activate_recursive;
1834		2706
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2707	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2708	if ($self->enter_map ($map, $x, $y)) {
1837	}	2709	# entering was successful
1838		2710	delete $self->{_link_recursion};
1839	cf::player->attach (	2711	# only activate afterwards, to support waiting in hooks
1840	on_logout => sub {	2712	$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	},	2713	}
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2714
1853	# try to abort aborted map switching on player login :)	2715	}
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		2716
1871	=item $player_object->goto ($path, $x, $y)	2717	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1872		2718
		2719	Moves the player to the given map-path and coordinates by first freezing
		2720	her, loading and preparing them map, calling the provided $check callback
		2721	that has to return the map if sucecssful, and then unfreezes the player on
		2722	the new (success) or old (failed) map position. In either case, $done will
		2723	be called at the end of this process.
		2724
		2725	Note that $check will be called with a potentially non-loaded map, so if
		2726	it needs a loaded map it has to call C<< ->load >>.
		2727
1873	=cut	2728	=cut
		2729
		2730	our $GOTOGEN;
1874		2731
1875	sub cf::object::player::goto {	2732	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2733	my ($self, $path, $x, $y, $check, $done) = @_;
		2734
		2735	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2736	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2737	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2738	($path, $x, $y) = @$EMERGENCY_POSITION;
		2739	}
		2740
		2741	# do generation counting so two concurrent goto's will be executed in-order
		2742	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2743
1878	$self->enter_link;	2744	$self->enter_link;
1879		2745
1880	(async {	2746	(async {
		2747	$Coro::current->{desc} = "player::goto $path $x $y";
		2748
		2749	# *tag paths override both path and x|y
		2750	if ($path =~ /^\*(.*)$/) {
		2751	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2752	my $ob = $obs[rand @obs];
		2753
		2754	# see if we actually can go there
		2755	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2756	$ob = $obs[rand @obs];
		2757	} else {
		2758	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	}
		2760	# else put us there anyways for now #d#
		2761
		2762	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2763	} else {
		2764	($path, $x, $y) = (undef, undef, undef);
		2765	}
		2766	}
		2767
1881	my $map = eval {	2768	my $map = eval {
1882	my $map = cf::map::find $path;	2769	my $map = defined $path ? cf::map::find $path : undef;
		2770
		2771	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2772	$map = $map->customise_for ($self);
		2773	$map = $check->($map, $x, $y, $self) if $check && $map;
		2774	} else {
		2775	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2776	}
		2777
1884	$map	2778	$map
		2779	};
		2780
		2781	if ($@) {
		2782	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2783	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2784	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2785
		2786	if ($gen == $self->{_goto_generation}) {
		2787	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2788	$self->leave_link ($map, $x, $y);
		2789	}
		2790
		2791	$done->($self) if $done;
1889	})->prio (1);	2792	})->prio (1);
1890	}	2793	}
1891		2794
1892	=item $player_object->enter_exit ($exit_object)	2795	=item $player_object->enter_exit ($exit_object)
1893		2796
…		…
1913	}	2816	}
1914		2817
1915	sub prepare_random_map {	2818	sub prepare_random_map {
1916	my ($exit) = @_;	2819	my ($exit) = @_;
1917		2820
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2821	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2822	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2823	# that depends on the exit object
1923		2824
1924	my $rmp = parse_random_map_params $exit->msg;	2825	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2827	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2828	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2829	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2830	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2831	$rmp->{origin_y} = $exit->y;
		2832
		2833	$exit->map->touch;
1931	}	2834	}
1932		2835
1933	$rmp->{random_seed} ||= $exit->random_seed;	2836	$rmp->{random_seed} ||= $exit->random_seed;
1934		2837
1935	my $data = cf::to_json $rmp;	2838	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2839	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2840	my $meta = "$RANDOMDIR/$md5.meta";
1938		2841
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2842	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2843	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2844	undef $fh;
1942	aio_rename "$meta~", $meta;	2845	aio_rename "$meta~", $meta;
1943		2846
		2847	my $slaying = "?random/$md5";
		2848
		2849	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2850	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2851	$exit->msg (undef);
		2852	}
1946	}	2853	}
1947	}	2854	}
1948		2855
1949	sub cf::object::player::enter_exit {	2856	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2857	my ($self, $exit) = @_;
1951		2858
1952	return unless $self->type == cf::PLAYER;	2859	return unless $self->type == cf::PLAYER;
1953		2860
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;	2861	$self->enter_link;
1964		2862
1965	(async {	2863	(async {
1966	$self->deactivate_recursive; # just to be sure	2864	$Coro::current->{desc} = "enter_exit";
		2865
1967	unless (eval {	2866	unless (eval {
		2867	$self->deactivate_recursive; # just to be sure
		2868
		2869	# random map handling
		2870	{
		2871	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2872
		2873	prepare_random_map $exit
		2874	if $exit->slaying eq "/!";
		2875	}
		2876
		2877	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2878	my $x = $exit->stats->hp;
		2879	my $y = $exit->stats->sp;
		2880
1968	$self->goto ($slaying, $hp, $sp);	2881	$self->goto ($map, $x, $y);
1969		2882
		2883	# if exit is damned, update players death & WoR home-position
		2884	$self->contr->savebed ($map, $x, $y)
		2885	if $exit->flag (cf::FLAG_DAMNED);
		2886
1970	1;	2887	1
1971	}) {	2888	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2889	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2890	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2891	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2892	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2893
1977	warn "ERROR in enter_exit: $@";	2894	error "ERROR in enter_exit: $@";
1978	$self->leave_link;	2895	$self->leave_link;
1979	}	2896	}
1980	})->prio (1);	2897	})->prio (1);
1981	}	2898	}
1982		2899
…		…
1993		2910
1994	sub cf::client::send_drawinfo {	2911	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2912	my ($self, $text, $flags) = @_;
1996		2913
1997	utf8::encode $text;	2914	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2915	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2916	}
2000		2917
		2918	=item $client->send_big_packet ($pkt)
		2919
		2920	Like C<send_packet>, but tries to compress large packets, and fragments
		2921	them as required.
		2922
		2923	=cut
		2924
		2925	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2926
		2927	sub cf::client::send_big_packet {
		2928	my ($self, $pkt) = @_;
		2929
		2930	# try lzf for large packets
		2931	$pkt = "lzf " . Compress::LZF::compress $pkt
		2932	if 1024 <= length $pkt and $self->{can_lzf};
		2933
		2934	# split very large packets
		2935	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2936	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2937	$pkt = "frag";
		2938	}
		2939
		2940	$self->send_packet ($pkt);
		2941	}
		2942
		2943	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2944
		2945	Send a drawinfo or msg packet to the client, formatting the msg for the
		2946	client if neccessary. C<$type> should be a string identifying the type of
		2947	the message, with C<log> being the default. If C<$color> is negative, suppress
		2948	the message unless the client supports the msg packet.
		2949
		2950	=cut
		2951
		2952	# non-persistent channels (usually the info channel)
		2953	our %CHANNEL = (
		2954	"c/motd" => {
		2955	id => "infobox",
		2956	title => "MOTD",
		2957	reply => undef,
		2958	tooltip => "The message of the day",
		2959	},
		2960	"c/identify" => {
		2961	id => "infobox",
		2962	title => "Identify",
		2963	reply => undef,
		2964	tooltip => "Items recently identified",
		2965	},
		2966	"c/examine" => {
		2967	id => "infobox",
		2968	title => "Examine",
		2969	reply => undef,
		2970	tooltip => "Signs and other items you examined",
		2971	},
		2972	"c/shopinfo" => {
		2973	id => "infobox",
		2974	title => "Shop Info",
		2975	reply => undef,
		2976	tooltip => "What your bargaining skill tells you about the shop",
		2977	},
		2978	"c/book" => {
		2979	id => "infobox",
		2980	title => "Book",
		2981	reply => undef,
		2982	tooltip => "The contents of a note or book",
		2983	},
		2984	"c/lookat" => {
		2985	id => "infobox",
		2986	title => "Look",
		2987	reply => undef,
		2988	tooltip => "What you saw there",
		2989	},
		2990	"c/who" => {
		2991	id => "infobox",
		2992	title => "Players",
		2993	reply => undef,
		2994	tooltip => "Shows players who are currently online",
		2995	},
		2996	"c/body" => {
		2997	id => "infobox",
		2998	title => "Body Parts",
		2999	reply => undef,
		3000	tooltip => "Shows which body parts you posess and are available",
		3001	},
		3002	"c/statistics" => {
		3003	id => "infobox",
		3004	title => "Statistics",
		3005	reply => undef,
		3006	tooltip => "Shows your primary statistics",
		3007	},
		3008	"c/skills" => {
		3009	id => "infobox",
		3010	title => "Skills",
		3011	reply => undef,
		3012	tooltip => "Shows your experience per skill and item power",
		3013	},
		3014	"c/shopitems" => {
		3015	id => "infobox",
		3016	title => "Shop Items",
		3017	reply => undef,
		3018	tooltip => "Shows the items currently for sale in this shop",
		3019	},
		3020	"c/resistances" => {
		3021	id => "infobox",
		3022	title => "Resistances",
		3023	reply => undef,
		3024	tooltip => "Shows your resistances",
		3025	},
		3026	"c/pets" => {
		3027	id => "infobox",
		3028	title => "Pets",
		3029	reply => undef,
		3030	tooltip => "Shows information abotu your pets/a specific pet",
		3031	},
		3032	"c/perceiveself" => {
		3033	id => "infobox",
		3034	title => "Perceive Self",
		3035	reply => undef,
		3036	tooltip => "You gained detailed knowledge about yourself",
		3037	},
		3038	"c/uptime" => {
		3039	id => "infobox",
		3040	title => "Uptime",
		3041	reply => undef,
		3042	tooltip => "How long the server has been running since last restart",
		3043	},
		3044	"c/mapinfo" => {
		3045	id => "infobox",
		3046	title => "Map Info",
		3047	reply => undef,
		3048	tooltip => "Information related to the maps",
		3049	},
		3050	"c/party" => {
		3051	id => "party",
		3052	title => "Party",
		3053	reply => "gsay ",
		3054	tooltip => "Messages and chat related to your party",
		3055	},
		3056	"c/death" => {
		3057	id => "death",
		3058	title => "Death",
		3059	reply => undef,
		3060	tooltip => "Reason for and more info about your most recent death",
		3061	},
		3062	"c/say" => $SAY_CHANNEL,
		3063	"c/chat" => $CHAT_CHANNEL,
		3064	);
		3065
		3066	sub cf::client::send_msg {
		3067	my ($self, $channel, $msg, $color, @extra) = @_;
		3068
		3069	$msg = $self->pl->expand_cfpod ($msg)
		3070	unless $color & cf::NDI_VERBATIM;
		3071
		3072	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3073
		3074	# check predefined channels, for the benefit of C
		3075	if ($CHANNEL{$channel}) {
		3076	$channel = $CHANNEL{$channel};
		3077
		3078	$self->ext_msg (channel_info => $channel);
		3079	$channel = $channel->{id};
		3080
		3081	} elsif (ref $channel) {
		3082	# send meta info to client, if not yet sent
		3083	unless (exists $self->{channel}{$channel->{id}}) {
		3084	$self->{channel}{$channel->{id}} = $channel;
		3085	$self->ext_msg (channel_info => $channel);
		3086	}
		3087
		3088	$channel = $channel->{id};
		3089	}
		3090
		3091	return unless @extra || length $msg;
		3092
		3093	# default colour, mask it out
		3094	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3095	if $color & cf::NDI_DEF;
		3096
		3097	my $pkt = "msg "
		3098	. $self->{json_coder}->encode (
		3099	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3100	);
		3101
		3102	$self->send_big_packet ($pkt);
		3103	}
		3104
		3105	=item $client->ext_msg ($type, @msg)
		3106
		3107	Sends an ext event to the client.
		3108
		3109	=cut
		3110
		3111	sub cf::client::ext_msg($$@) {
		3112	my ($self, $type, @msg) = @_;
		3113
		3114	if ($self->extcmd == 2) {
		3115	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3116	} elsif ($self->extcmd == 1) { # TODO: remove
		3117	push @msg, msgtype => "event_$type";
		3118	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3119	}
		3120	}
		3121
		3122	=item $client->ext_reply ($msgid, @msg)
		3123
		3124	Sends an ext reply to the client.
		3125
		3126	=cut
		3127
		3128	sub cf::client::ext_reply($$@) {
		3129	my ($self, $id, @msg) = @_;
		3130
		3131	if ($self->extcmd == 2) {
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3133	} elsif ($self->extcmd == 1) {
		3134	#TODO: version 1, remove
		3135	unshift @msg, msgtype => "reply", msgid => $id;
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3137	}
		3138	}
2001		3139
2002	=item $success = $client->query ($flags, "text", \&cb)	3140	=item $success = $client->query ($flags, "text", \&cb)
2003		3141
2004	Queues a query to the client, calling the given callback with	3142	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>,	3143	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>.	3144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		3145
2008	Queries can fail, so check the return code. Or don't, as queries will become	3146	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	3147	become reliable at some point in the future.
2010		3148
2011	=cut	3149	=cut
2012		3150
2013	sub cf::client::query {	3151	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	3152	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	3160	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		3162
2025	$self->send_packet ($self->{query_queue}[0][0])	3163	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	3164	if @{ $self->{query_queue} } == 1;
		3165
		3166	1
2027	}	3167	}
2028		3168
2029	cf::client->attach (	3169	cf::client->attach (
		3170	on_connect => sub {
		3171	my ($ns) = @_;
		3172
		3173	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3174	},
2030	on_reply => sub {	3175	on_reply => sub {
2031	my ($ns, $msg) = @_;	3176	my ($ns, $msg) = @_;
2032		3177
2033	# this weird shuffling is so that direct followup queries	3178	# this weird shuffling is so that direct followup queries
2034	# get handled first	3179	# get handled first
…		…
2046	} else {	3191	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3193	}
2049	}	3194	}
2050	},	3195	},
		3196	on_exticmd => sub {
		3197	my ($ns, $buf) = @_;
		3198
		3199	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3200
		3201	if (ref $msg) {
		3202	my ($type, $reply, @payload) =
		3203	"ARRAY" eq ref $msg
		3204	? @$msg
		3205	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3206
		3207	my @reply;
		3208
		3209	if (my $cb = $EXTICMD{$type}) {
		3210	@reply = $cb->($ns, @payload);
		3211	}
		3212
		3213	$ns->ext_reply ($reply, @reply)
		3214	if $reply;
		3215
		3216	} else {
		3217	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3218	}
		3219
		3220	cf::override;
		3221	},
2051	);	3222	);
2052		3223
2053	=item $client->async (\&cb)	3224	=item $client->async (\&cb)
2054		3225
2055	Create a new coroutine, running the specified callback. The coroutine will	3226	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071		3242
2072	$coro	3243	$coro
2073	}	3244	}
2074		3245
2075	cf::client->attach (	3246	cf::client->attach (
2076	on_destroy => sub {	3247	on_client_destroy => sub {
2077	my ($ns) = @_;	3248	my ($ns) = @_;
2078		3249
2079	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3250	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2080	},	3251	},
2081	);	3252	);
…		…
2096	our $safe = new Safe "safe";	3267	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3268	our $safe_hole = new Safe::Hole;
2098		3269
2099	$SIG{FPE} = 'IGNORE';	3270	$SIG{FPE} = 'IGNORE';
2100		3271
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3272	$safe->permit_only (Opcode::opset qw(
		3273	:base_core :base_mem :base_orig :base_math :base_loop
		3274	grepstart grepwhile mapstart mapwhile
		3275	sort time
		3276	));
2102		3277
2103	# here we export the classes and methods available to script code	3278	# here we export the classes and methods available to script code
2104		3279
2105	=pod	3280	=pod
2106		3281
2107	The following fucntions and emthods are available within a safe environment:	3282	The following functions and methods are available within a safe environment:
2108		3283
2109	cf::object contr pay_amount pay_player map	3284	cf::object
		3285	contr pay_amount pay_player map x y force_find force_add destroy
		3286	insert remove name archname title slaying race decrease split
		3287	value
		3288
2110	cf::object::player player	3289	cf::object::player
2111	cf::player peaceful	3290	player
2112	cf::map trigger	3291
		3292	cf::player
		3293	peaceful
		3294
		3295	cf::map
		3296	trigger
2113		3297
2114	=cut	3298	=cut
2115		3299
2116	for (	3300	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3301	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3302	insert remove inv nrof name archname title slaying race
		3303	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3304	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3305	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3306	["cf::map" => qw(trigger)],
2121	) {	3307	) {
2122	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3308	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2125	for @funs;	3310	for @funs;
2126	}	3311	}
2127		3312
…		…
2142		3327
2143	my $qcode = $code;	3328	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3329	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3330	$qcode =~ s/\n/\\n/g;
2146		3331
		3332	%vars = (_dummy => 0) unless %vars;
		3333
		3334	my @res;
2147	local $_;	3335	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;
2149		3336
2150	my $eval =	3337	my $eval =
2151	"do {\n"	3338	"do {\n"
2152	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3339	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2153	. "#line 0 \"{$qcode}\"\n"	3340	. "#line 0 \"{$qcode}\"\n"
2154	. $code	3341	. $code
2155	. "\n}"	3342	. "\n}"
2156	;	3343	;
2157		3344
		3345	if ($CFG{safe_eval}) {
2158	sub_generation_inc;	3346	sub_generation_inc;
		3347	local @safe::cf::_safe_eval_args = values %vars;
2159	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3348	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2160	sub_generation_inc;	3349	sub_generation_inc;
		3350	} else {
		3351	local @cf::_safe_eval_args = values %vars;
		3352	@res = wantarray ? eval eval : scalar eval $eval;
		3353	}
2161		3354
2162	if ($@) {	3355	if ($@) {
2163	warn "$@";	3356	warn "$@",
2164	warn "while executing safe code '$code'\n";	3357	"while executing safe code '$code'\n",
2165	warn "with arguments " . (join " ", %vars) . "\n";	3358	"with arguments " . (join " ", %vars) . "\n";
2166	}	3359	}
2167		3360
2168	wantarray ? @res : $res[0]	3361	wantarray ? @res : $res[0]
2169	}	3362	}
2170		3363
…		…
2184	=cut	3377	=cut
2185		3378
2186	sub register_script_function {	3379	sub register_script_function {
2187	my ($fun, $cb) = @_;	3380	my ($fun, $cb) = @_;
2188		3381
2189	no strict 'refs';	3382	$fun = "safe::$fun" if $CFG{safe_eval};
2190	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3383	*$fun = $safe_hole->wrap ($cb);
2191	}	3384	}
2192		3385
2193	=back	3386	=back
2194		3387
2195	=cut	3388	=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		3389
2269	#############################################################################	3390	#############################################################################
2270	# the server's init and main functions	3391	# the server's init and main functions
2271		3392
2272	sub load_faces {	3393	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3394	my ($path) = @_;
2274		3395
		3396	# HACK to clear player env face cache, we need some signal framework
		3397	# for this (global event?)
		3398	%ext::player_env::MUSIC_FACE_CACHE = ();
		3399
		3400	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3401
2275	warn "loading faces from $path\n";	3402	trace "loading facedata from $path\n";
2276		3403
2277	my $faces;
2278	0 < aio_load $path, $faces	3404	0 < aio_load $path, my $facedata
2279	or die "$path: $!";	3405	or die "$path: $!";
2280		3406
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3407	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3408
		3409	$facedata->{version} == 2
		3410	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3411
		3412	# patch in the exptable
		3413	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3414	$facedata->{resource}{"res/exp_table"} = {
		3415	type => FT_RSRC,
		3416	data => $exp_table,
		3417	hash => (Digest::MD5::md5 $exp_table),
		3418	};
		3419	cf::cede_to_tick;
		3420
		3421	{
		3422	my $faces = $facedata->{faceinfo};
		3423
2285	while (my ($face, $info) = each %$faces) {	3424	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3425	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3426
		3427	cf::face::set_visibility $idx, $info->{visibility};
		3428	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3429	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2289	Coro::cede;	3430	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3431	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3432
		3433	cf::cede_to_tick;
		3434	}
		3435
		3436	while (my ($face, $info) = each %$faces) {
		3437	next unless $info->{smooth};
		3438
		3439	my $idx = cf::face::find $face
		3440	or next;
		3441
		3442	if (my $smooth = cf::face::find $info->{smooth}) {
		3443	cf::face::set_smooth $idx, $smooth;
		3444	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3445	} else {
		3446	error "smooth face '$info->{smooth}' not found for face '$face'";
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
2290	}	3453	{
		3454	my $anims = $facedata->{animinfo};
		3455
		3456	while (my ($anim, $info) = each %$anims) {
		3457	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3458	cf::cede_to_tick;
		3459	}
		3460
		3461	cf::anim::invalidate_all; # d'oh
		3462	}
		3463
		3464	{
		3465	my $res = $facedata->{resource};
		3466
		3467	while (my ($name, $info) = each %$res) {
		3468	if (defined $info->{type}) {
		3469	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3470
		3471	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3472	cf::face::set_type $idx, $info->{type};
		3473	} else {
		3474	$RESOURCE{$name} = $info; # unused
		3475	}
		3476
		3477	cf::cede_to_tick;
		3478	}
		3479	}
		3480
		3481	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3482
2292	1	3483	1
2293	}	3484	}
2294		3485
		3486	register_exticmd fx_want => sub {
		3487	my ($ns, $want) = @_;
		3488
		3489	while (my ($k, $v) = each %$want) {
		3490	$ns->fx_want ($k, $v);
		3491	}
		3492	};
		3493
		3494	sub load_resource_file($) {
		3495	my $guard = lock_acquire "load_resource_file";
		3496
		3497	my $status = load_resource_file_ $_[0];
		3498	get_slot 0.1, 100;
		3499	cf::arch::commit_load;
		3500
		3501	$status
		3502	}
		3503
		3504	sub reload_regions {
		3505	# HACK to clear player env face cache, we need some signal framework
		3506	# for this (global event?)
		3507	%ext::player_env::MUSIC_FACE_CACHE = ();
		3508
		3509	load_resource_file "$MAPDIR/regions"
		3510	or die "unable to load regions file\n";
		3511
		3512	for (cf::region::list) {
		3513	$_->{match} = qr/$_->{match}/
		3514	if exists $_->{match};
		3515	}
		3516	}
		3517
		3518	sub reload_facedata {
		3519	load_facedata "$DATADIR/facedata"
		3520	or die "unable to load facedata\n";
		3521	}
		3522
		3523	sub reload_archetypes {
		3524	load_resource_file "$DATADIR/archetypes"
		3525	or die "unable to load archetypes\n";
		3526	}
		3527
		3528	sub reload_treasures {
		3529	load_resource_file "$DATADIR/treasures"
		3530	or die "unable to load treasurelists\n";
		3531	}
		3532
		3533	sub reload_sound {
		3534	trace "loading sound config from $DATADIR/sound\n";
		3535
		3536	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3537	or die "$DATADIR/sound $!";
		3538
		3539	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3540
		3541	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3542	my $sound = $soundconf->{compat}[$_]
		3543	or next;
		3544
		3545	my $face = cf::face::find "sound/$sound->[1]";
		3546	cf::sound::set $sound->[0] => $face;
		3547	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3548	}
		3549
		3550	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3551	my $face = cf::face::find "sound/$v";
		3552	cf::sound::set $k => $face;
		3553	}
		3554	}
		3555
2295	sub reload_resources {	3556	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3557	trace "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3558
		3559	reload_exp_table;
		3560	reload_materials;
2298	load_faces	3561	reload_facedata;
2299	or die "unable to load faces\n";#d#	3562	reload_sound;
2300	}	3563	reload_archetypes;
2301
2302	sub init {
2303	reload_resources;	3564	reload_regions;
2304	}	3565	reload_treasures;
2305		3566
2306	sub cfg_load {	3567	trace "finished reloading resource files\n";
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3568	}
2308	or return;
2309		3569
2310	local $/;	3570	sub reload_config {
2311	*CFG = YAML::Syck::Load <$fh>;	3571	trace "reloading config file...\n";
2312		3572
		3573	0 < aio_load "$CONFDIR/config", my $config
		3574	or die "$CONFDIR/config: $!";
		3575
		3576	utf8::decode $config;
		3577	*CFG = yaml_load $config;
		3578
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3579	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2314		3580
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3581	$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};	3582	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2317		3583
2318	if (exists $CFG{mlockall}) {	3584	if (exists $CFG{mlockall}) {
…		…
2322	};	3588	};
2323	warn $@ if $@;	3589	warn $@ if $@;
2324	}	3590	}
2325	}	3591	}
2326		3592
		3593	sub pidfile() {
		3594	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3595	or die "$PIDFILE: $!";
		3596	flock $fh, &Fcntl::LOCK_EX
		3597	or die "$PIDFILE: flock: $!";
		3598	$fh
		3599	}
		3600
		3601	# make sure only one server instance is running at any one time
		3602	sub atomic {
		3603	my $fh = pidfile;
		3604
		3605	my $pid = <$fh>;
		3606	kill 9, $pid if $pid > 0;
		3607
		3608	seek $fh, 0, 0;
		3609	print $fh $$;
		3610	}
		3611
		3612	sub main_loop {
		3613	trace "EV::loop starting\n";
		3614	if (1) {
		3615	EV::loop;
		3616	}
		3617	trace "EV::loop returned\n";
		3618	goto &main_loop unless $REALLY_UNLOOP;
		3619	}
		3620
2327	sub main {	3621	sub main {
		3622	cf::init_globals; # initialise logging
		3623
		3624	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3625	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3626	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3627	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3628
		3629	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3630
2328	# we must not ever block the main coroutine	3631	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3632	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3633	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3634	(async {
2332	Event::one_event;	3635	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3636	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3637	})->prio (Coro::PRIO_MAX);
2334	};	3638	};
2335		3639
2336	cfg_load;	3640	evthread_start IO::AIO::poll_fileno;
		3641
		3642	cf::sync_job {
		3643	cf::incloader::init ();
		3644
		3645	cf::init_anim;
		3646	cf::init_attackmess;
		3647	cf::init_dynamic;
		3648
		3649	cf::load_settings;
		3650
		3651	reload_resources;
		3652	reload_config;
2337	db_init;	3653	db_init;
		3654
		3655	cf::init_uuid;
		3656	cf::init_signals;
		3657	cf::init_skills;
		3658
		3659	cf::init_beforeplay;
		3660
		3661	atomic;
		3662
2338	load_extensions;	3663	load_extensions;
2339		3664
2340	$TICK_WATCHER->start;	3665	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3666
		3667	# no (long-running) fork's whatsoever before this point(!)
		3668	use POSIX ();
		3669	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3670
		3671	cf::_post_init 0;
		3672	};
		3673
		3674	cf::object::thawer::errors_are_fatal 0;
		3675	info "parse errors in files are no longer fatal from this point on.\n";
		3676
		3677	my $free_main; $free_main = EV::idle sub {
		3678	undef $free_main;
		3679	undef &main; # free gobs of memory :)
		3680	};
		3681
		3682	goto &main_loop;
2342	}	3683	}
2343		3684
2344	#############################################################################	3685	#############################################################################
2345	# initialisation and cleanup	3686	# initialisation and cleanup
2346		3687
2347	# install some emergency cleanup handlers	3688	# install some emergency cleanup handlers
2348	BEGIN {	3689	BEGIN {
		3690	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3691	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3692	$SIGWATCHER{$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";	3693	cf::cleanup "SIG$signal";
2357	},
2358	);	3694	};
		3695	}
		3696	}
		3697
		3698	sub write_runtime_sync {
		3699	my $t0 = AE::time;
		3700
		3701	# first touch the runtime file to show we are still running:
		3702	# the fsync below can take a very very long time.
		3703
		3704	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3705
		3706	my $guard = cf::lock_acquire "write_runtime";
		3707
		3708	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3709	or return;
		3710
		3711	my $value = $cf::RUNTIME + 90 + 10;
		3712	# 10 is the runtime save interval, for a monotonic clock
		3713	# 60 allows for the watchdog to kill the server.
		3714
		3715	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3716	and return;
		3717
		3718	# always fsync - this file is important
		3719	aio_fsync $fh
		3720	and return;
		3721
		3722	# touch it again to show we are up-to-date
		3723	aio_utime $fh, undef, undef;
		3724
		3725	close $fh
		3726	or return;
		3727
		3728	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3729	and return;
		3730
		3731	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3732
2359	}	3733	1
		3734	}
		3735
		3736	our $uuid_lock;
		3737	our $uuid_skip;
		3738
		3739	sub write_uuid_sync($) {
		3740	$uuid_skip ||= $_[0];
		3741
		3742	return if $uuid_lock;
		3743	local $uuid_lock = 1;
		3744
		3745	my $uuid = "$LOCALDIR/uuid";
		3746
		3747	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3748	or return;
		3749
		3750	my $value = uuid_seq uuid_cur;
		3751
		3752	unless ($value) {
		3753	info "cowardly refusing to write zero uuid value!\n";
		3754	return;
		3755	}
		3756
		3757	my $value = uuid_str $value + $uuid_skip;
		3758	$uuid_skip = 0;
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	close $fh
		3768	or return;
		3769
		3770	aio_rename "$uuid~", $uuid
		3771	and return;
		3772
		3773	trace "uuid file written ($value).\n";
		3774
		3775	1
		3776
		3777	}
		3778
		3779	sub write_uuid($$) {
		3780	my ($skip, $sync) = @_;
		3781
		3782	$sync ? write_uuid_sync $skip
		3783	: async { write_uuid_sync $skip };
2360	}	3784	}
2361		3785
2362	sub emergency_save() {	3786	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3787	my $freeze_guard = cf::freeze_mainloop;
2364		3788
2365	warn "enter emergency perl save\n";	3789	info "emergency_perl_save: enter\n";
		3790
		3791	# this is a trade-off: we want to be very quick here, so
		3792	# save all maps without fsync, and later call a global sync
		3793	# (which in turn might be very very slow)
		3794	local $USE_FSYNC = 0;
2366		3795
2367	cf::sync_job {	3796	cf::sync_job {
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
2368	# use a peculiar iteration method to avoid tripping on perl	3799	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3800	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3801	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3802	info "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3803	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3804	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3805	$pl->valid or next;
		3806	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3807	$pl->save;
2376	}	3808	}
2377	warn "end emergency player save\n";	3809	info "emergency_perl_save: end player save\n";
2378		3810
2379	warn "begin emergency map save\n";	3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	info "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3814	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3815	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3816	$map->valid or next;
2383	$map->save;	3817	$map->save;
2384	}	3818	}
2385	warn "end emergency map save\n";	3819	info "emergency_perl_save: end map save\n";
2386		3820
2387	warn "begin emergency database checkpoint\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3824	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3825	info "emergency_perl_save: end database checkpoint\n";
		3826
		3827	info "emergency_perl_save: begin write uuid\n";
		3828	write_uuid_sync 1;
		3829	info "emergency_perl_save: end write uuid\n";
		3830
		3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	trace "emergency_perl_save: syncing database to disk";
		3834	BDB::db_env_txn_checkpoint $DB_ENV;
		3835
		3836	info "emergency_perl_save: starting sync\n";
		3837	IO::AIO::aio_sync sub {
		3838	info "emergency_perl_save: finished sync\n";
		3839	};
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: flushing outstanding aio requests";
		3844	while (IO::AIO::nreqs || BDB::nreqs) {
		3845	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3846	}
		3847
		3848	cf::write_runtime_sync; # external watchdog should not bark
2390	};	3849	};
2391		3850
2392	warn "leave emergency perl save\n";	3851	info "emergency_perl_save: leave\n";
2393	}	3852	}
2394		3853
2395	sub post_cleanup {	3854	sub post_cleanup {
2396	my ($make_core) = @_;	3855	my ($make_core) = @_;
2397		3856
		3857	IO::AIO::flush;
		3858
2398	warn Carp::longmess "post_cleanup backtrace"	3859	error Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3860	if $make_core;
2400	}
2401		3861
		3862	my $fh = pidfile;
		3863	unlink $PIDFILE if <$fh> == $$;
		3864	}
		3865
		3866	# a safer delete_package, copied from Symbol
		3867	sub clear_package($) {
		3868	my $pkg = shift;
		3869
		3870	# expand to full symbol table name if needed
		3871	unless ($pkg =~ /^main::.*::$/) {
		3872	$pkg = "main$pkg" if $pkg =~ /^::/;
		3873	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3874	$pkg .= '::' unless $pkg =~ /::$/;
		3875	}
		3876
		3877	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3878	my $stem_symtab = *{$stem}{HASH};
		3879
		3880	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3881	or return;
		3882
		3883	# clear all symbols
		3884	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3885	for my $name (keys %$leaf_symtab) {
		3886	_gv_clear *{"$pkg$name"};
		3887	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3888	}
		3889	}
		3890
2402	sub reload() {	3891	sub do_reload_perl() {
2403	# can/must only be called in main	3892	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3893	unless (in_main) {
2405	warn "can only reload from main coroutine";	3894	error "can only reload from main coroutine";
2406	return;	3895	return;
2407	}	3896	}
2408		3897
2409	warn "reloading...";	3898	return if $RELOAD++;
2410		3899
2411	warn "entering sync_job";	3900	my $t1 = AE::time;
2412		3901
		3902	while ($RELOAD) {
		3903	cf::get_slot 0.1, -1, "reload_perl";
		3904	info "perl_reload: reloading...";
		3905
		3906	trace "perl_reload: entering sync_job";
		3907
2413	cf::sync_job {	3908	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark
2415	cf::emergency_save;	3909	#cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark
2417		3910
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";	3911	trace "perl_reload: cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;	3912	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();	3913	%EXT_CORO = ();
2442		3914
2443	warn "removing commands";	3915	trace "perl_reload: removing commands";
2444	%COMMAND = ();	3916	%COMMAND = ();
2445		3917
2446	warn "removing ext commands";	3918	trace "perl_reload: removing ext/exti commands";
2447	%EXTCMD = ();	3919	%EXTCMD = ();
		3920	%EXTICMD = ();
2448		3921
2449	warn "unloading/nuking all extensions";	3922	trace "perl_reload: unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3923	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3924	trace "... unloading $pkg";
2452		3925
2453	if (my $cb = $pkg->can ("unload")) {	3926	if (my $cb = $pkg->can ("unload")) {
2454	eval {	3927	eval {
2455	$cb->($pkg);	3928	$cb->($pkg);
2456	1	3929	1
2457	} or warn "$pkg unloaded, but with errors: $@";	3930	} or error "$pkg unloaded, but with errors: $@";
		3931	}
		3932
		3933	trace "... clearing $pkg";
		3934	clear_package $pkg;
2458	}	3935	}
2459		3936
2460	warn "... nuking $pkg";
2461	Symbol::delete_package $pkg;
2462	}
2463
2464	warn "unloading all perl modules loaded from $LIBDIR";	3937	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2465	while (my ($k, $v) = each %INC) {	3938	while (my ($k, $v) = each %INC) {
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3939	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		3940
2468	warn "... unloading $k";	3941	trace "... unloading $k";
2469	delete $INC{$k};	3942	delete $INC{$k};
2470		3943
2471	$k =~ s/\.pm$//;	3944	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;	3945	$k =~ s/\//::/g;
2473		3946
2474	if (my $cb = $k->can ("unload_module")) {	3947	if (my $cb = $k->can ("unload_module")) {
2475	$cb->();	3948	$cb->();
		3949	}
		3950
		3951	clear_package $k;
2476	}	3952	}
2477		3953
2478	Symbol::delete_package $k;
2479	}
2480
2481	warn "getting rid of safe::, as good as possible";	3954	trace "perl_reload: getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	3955	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3957
2485	warn "unloading cf.pm \"a bit\"";	3958	trace "perl_reload: unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3959	delete $INC{"cf.pm"};
		3960	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		3961
2488	# don't, removes xs symbols, too,	3962	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3963	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3964	#clear_package __PACKAGE__;
2491		3965
2492	warn "unload completed, starting to reload now";	3966	info "perl_reload: unload completed, starting to reload now";
2493		3967
2494	warn "reloading cf.pm";	3968	trace "perl_reload: reloading cf.pm";
2495	require cf;	3969	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3970	cf::_connect_to_perl_1;
2497		3971
2498	warn "loading config and database again";	3972	trace "perl_reload: loading config and database again";
2499	cf::cfg_load;	3973	cf::reload_config;
2500		3974
2501	warn "loading extensions";	3975	trace "perl_reload: loading extensions";
2502	cf::load_extensions;	3976	cf::load_extensions;
2503		3977
		3978	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	3979	trace "perl_reload: reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	3980	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	3981	trace "perl_reload: reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3982	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3983	trace "perl_reload: reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3984	reattach $_ for values %PLAYER;
		3985	}
2510		3986
2511	warn "loading reloadable resources";	3987	cf::_post_init 1;
2512	reload_resources;
2513		3988
2514	warn "leaving sync_job";	3989	trace "perl_reload: leaving sync_job";
2515		3990
2516	1	3991	1
2517	} or do {	3992	} or do {
2518	warn $@;	3993	error $@;
2519	warn "error while reloading, exiting.";	3994	cf::cleanup "perl_reload: error, exiting.";
2520	exit 1;	3995	};
		3996
		3997	--$RELOAD;
		3998	}
		3999
		4000	$t1 = AE::time - $t1;
		4001	info "perl_reload: completed in ${t1}s\n";
		4002	};
		4003
		4004	our $RELOAD_WATCHER; # used only during reload
		4005
		4006	sub reload_perl() {
		4007	# doing reload synchronously and two reloads happen back-to-back,
		4008	# coro crashes during coro_state_free->destroy here.
		4009
		4010	$RELOAD_WATCHER ||= cf::async {
		4011	Coro::AIO::aio_wait cache_extensions;
		4012
		4013	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4014	do_reload_perl;
		4015	undef $RELOAD_WATCHER;
		4016	};
2521	};	4017	};
2522		4018	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		4019
2528	register_command "reload" => sub {	4020	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	4021	my ($who, $arg) = @_;
2530		4022
2531	if ($who->flag (FLAG_WIZ)) {	4023	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	4024	$who->message ("reloading server.");
2533		4025	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	4026	$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;	4027	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	4028	};
2546	}	4029	}
2547	};	4030	};
2548		4031
2549	unshift @INC, $LIBDIR;	4032	#############################################################################
2550		4033
2551	my $bug_warning = 0;	4034	my $bug_warning = 0;
2552		4035
2553	$TICK_WATCHER = Event->timer (	4036	our @WAIT_FOR_TICK;
2554	reentrant => 0,	4037	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	4038
2556	prio => 0,	4039	sub wait_for_tick() {
2557	at => $NEXT_TICK || $TICK,	4040	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2558	data => WF_AUTOCANCEL,	4041
2559	cb => sub {	4042	my $signal = new Coro::Signal;
		4043	push @WAIT_FOR_TICK, $signal;
		4044	$signal->wait;
		4045	}
		4046
		4047	sub wait_for_tick_begin() {
		4048	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4049
		4050	my $signal = new Coro::Signal;
		4051	push @WAIT_FOR_TICK_BEGIN, $signal;
		4052	$signal->wait;
		4053	}
		4054
		4055	sub tick {
2560	if ($Coro::current != $Coro::main) {	4056	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	4058	unless ++$bug_warning > 10;
2563	return;	4059	return;
2564	}	4060	}
2565		4061
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	4062	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		4063
		4064	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4065
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4066	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	4067	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	4068	Coro::async_pool {
		4069	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	4070	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	4071	or error "ERROR: unable to write runtime file: $!";
2577	};
2578	}	4072	};
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	},	4073	}
2592	);	4074
		4075	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4076	$sig->send;
		4077	}
		4078	while (my $sig = shift @WAIT_FOR_TICK) {
		4079	$sig->send;
		4080	}
		4081
		4082	$LOAD = ($NOW - $TICK_START) / $TICK;
		4083	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4084
		4085	if (0) {
		4086	if ($NEXT_TICK) {
		4087	my $jitter = $TICK_START - $NEXT_TICK;
		4088	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4089	debug "jitter $JITTER\n";#d#
		4090	}
		4091	}
		4092	}
2593		4093
2594	{	4094	{
2595	BDB::max_poll_time $TICK * 0.1;	4095	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	4096
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;	4097	BDB::min_parallel 16;
2605		4098	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	4099	$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	$! = $status;
2617	},
2618	)
2619	};
2620		4100
2621	unless ($DB_ENV) {	4101	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	4102	$DB_ENV = BDB::db_env_create;
		4103	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4104	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4105	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4106	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4107	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		4108
2624	cf::sync_job {	4109	cf::sync_job {
2625	eval {	4110	eval {
2626	BDB::db_env_open	4111	BDB::db_env_open
2627	$DB_ENV,	4112	$DB_ENV,
2628	$BDB_ENV_DIR,	4113	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4114	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4115	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	4116	0666;
2632		4117
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4118	cf::cleanup "db_env_open($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	};	4119	};
2638		4120
2639	cf::cleanup "db_env_open(db): $@" if $@;	4121	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	4122	};
2641	}	4123	}
		4124
		4125	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4126	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4127	};
		4128	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4129	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4130	};
		4131	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4132	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4133	};
2642	}	4134	}
2643		4135
2644	{	4136	{
		4137	# configure IO::AIO
		4138
2645	IO::AIO::min_parallel 8;	4139	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	4140	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	4141	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	}	4142	}
		4143
		4144	our $_log_backtrace;
		4145	our $_log_backtrace_last;
		4146
		4147	sub _log_backtrace {
		4148	my ($msg, @addr) = @_;
		4149
		4150	$msg =~ s/\n$//;
		4151
		4152	if ($_log_backtrace_last eq $msg) {
		4153	LOG llevInfo, "[ABT] $msg\n";
		4154	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4155	# limit the # of concurrent backtraces
		4156	} elsif ($_log_backtrace < 2) {
		4157	$_log_backtrace_last = $msg;
		4158	++$_log_backtrace;
		4159	my $perl_bt = Carp::longmess $msg;
		4160	async {
		4161	$Coro::current->{desc} = "abt $msg";
		4162
		4163	my @bt = fork_call {
		4164	@addr = map { sprintf "%x", $_ } @addr;
		4165	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4166	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4167	or die "addr2line: $!";
		4168
		4169	my @funcs;
		4170	my @res = <$fh>;
		4171	chomp for @res;
		4172	while (@res) {
		4173	my ($func, $line) = splice @res, 0, 2, ();
		4174	push @funcs, "[$func] $line";
		4175	}
		4176
		4177	@funcs
		4178	};
		4179
		4180	LOG llevInfo, "[ABT] $perl_bt\n";
		4181	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4182	LOG llevInfo, "[ABT] $_\n" for @bt;
		4183	--$_log_backtrace;
		4184	};
		4185	} else {
		4186	LOG llevInfo, "[ABT] $msg\n";
		4187	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4188	}
		4189	}
		4190
		4191	# load additional modules
		4192	require "cf/$_.pm" for @EXTRA_MODULES;
		4193	cf::_connect_to_perl_2;
2658		4194
2659	END { cf::emergency_save }	4195	END { cf::emergency_save }
2660		4196
2661	1	4197	1
2662		4198

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