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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.551 by root, Sun May 16 13:48:07 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	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
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	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::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	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
119	every server tick.	201	every server tick.
120		202
121	=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
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	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
142	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
143	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.
144	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.
145		257
146	=back	258	=back
147		259
148	=cut	260	=cut
149		261
150	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
151	*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 {
152	my $msg = join "", @_;	269	my $msg = join "", @_;
153	utf8::encode $msg;
154		270
155	$msg .= "\n"	271	$msg .= "\n"
156	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
157		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
158	LOG llevError, $msg;	276	LOG llevWarn, $msg;
159	};	277	};
160	}	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	};
161		292
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		300
169	# 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
170	# within the Safe compartment.	302	# within the Safe compartment.
171	for my $pkg (qw(	303	for my $pkg (qw(
172	cf::global cf::attachable	304	cf::global cf::attachable
173	cf::object cf::object::player	305	cf::object cf::object::player
174	cf::client cf::player	306	cf::client cf::player
175	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
176	cf::map cf::party cf::region	309	cf::party cf::region
177	)) {	310	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	312	}
181		313
182	$Event::DIED = sub {	314	$EV::DIED = sub {
183	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
184	};	316	};
		317
		318	#############################################################################
185		319
186	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
187		321
188	=over 4	322	=over 4
189		323
…		…
208	$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;
209	$d	343	$d
210	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
211	}	345	}
212		346
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
216		348
217	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
218		350
219	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
220		352
221	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
222		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[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	}
		403	}
		404
223	=item cf::lock_wait $string	405	=item cf::lock_wait $string
224		406
225	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
226		408
227	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
228		410
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
232	returned.	414	returned.
233		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
234	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
235	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
236		421
237	=cut	422	=item $locked = cf::lock_active $string
238		423
239	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
240		429
241	sub lock_wait($) {	430	sub lock_wait($) {
242	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	432	}
250		433
251	sub lock_acquire($) {	434	sub lock_acquire($) {
252	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
253		437
254	# wait, to be sure we are not locked	438	sub lock_active($) {
255	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	440	}
264		441
265	sub freeze_mainloop {	442	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
267		444
268	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
269	$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($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
270	};	512	}
271	$TICK_WATCHER->stop;	513	};
272	$guard	514
		515	sub get_slot($;$$) {
		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	$sig->wait;
273	}	528	}
274		529
275	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
276		531
277	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		537
283	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
284		539
285	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
286		541
287	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
290		546
291	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
294	fast or be very important.	550	fast or be very important.
…		…
296	=cut	552	=cut
297		553
298	sub sync_job(&) {	554	sub sync_job(&) {
299	my ($job) = @_;	555	my ($job) = @_;
300		556
301	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
302	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
304		562
305	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	564
307	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
308		566
309	my $busy = 1;	567	my $busy = 1;
310	my @res;	568	my @res;
311		569
312	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	572	@res = eval { $job->() };
314	warn $@ if $@;	573	error $@ if $@;
315	undef $busy;	574	undef $busy;
316	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
317		576
318	while ($busy) {	577	while ($busy) {
319	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
320	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
321		588
322	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
323	} else {	590	} else {
324	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
325		592
…		…
345	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
346		613
347	$coro	614	$coro
348	}	615	}
349		616
350	sub write_runtime {	617	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		618
353	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.
354		623
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	=cut
356	or return;
357		625
358	my $value = $cf::RUNTIME + 90 + 10;	626	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	627	reset_signals;
360	# 60 allows for the watchdog to kill the server.	628	}
361		629
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub fork_call(&@) {
363	and return;	631	my ($cb, @args) = @_;
364		632
365	# always fsync - this file is important	633	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	634	# otherwise perl prematurely frees the stuff :/
367	and return;	635	# TODO: investigate and fix (likely this will be rather laborious)
368		636
369	close $fh	637	my @res = Coro::Util::fork_eval {
370	or return;	638	cf::post_fork;
		639	&$cb
		640	} @args;
371		641
372	aio_rename "$runtime~", $runtime	642	wantarray ? @res : $res[-1]
373	and return;	643	}
374		644
		645	sub objinfo {
375	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 });
376	}	821	}
377		822
378	=back	823	=back
379		824
380	=cut	825	=cut
381		826
382	#############################################################################	827	#############################################################################
383		828
384	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
385		830
386	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
387	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")
388	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
389		834
390	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>
391	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
392	crossfire+).	837	Deliantra).
393		838
394	=over 4	839	=over 4
395		840
396	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
397		842
…		…
441	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
442		887
443	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
445		890
446	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
447	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.
448		893
449	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
450		895
451	=over 4	896	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
561		1006
562	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		1011
567	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
569		1014
570	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
575		1020
576	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		1023
579	} elsif (ref $type) {	1024	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
581		1026
582	} else {	1027	} else {
583	shift @arg;	1028	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
585	}	1030	}
586	}	1031	}
587	}	1032	}
588		1033
589	sub _object_attach {	1034	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
600	}	1045	}
601		1046
602	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
603	} else {	1048	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1050	}
606		1051
607	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
608	}	1053	}
609		1054
…		…
611	if (ref $_[0]) {	1056	if (ref $_[0]) {
612	_object_attach @_;	1057	_object_attach @_;
613	} else {	1058	} else {
614	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
615	}	1060	}
		1061	_recalc_want;
616	};	1062	};
617		1063
618	# all those should be optimised	1064	# all those should be optimised
619	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1070	reattach ($obj);
625	} else {	1071	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
627	}	1073	}
		1074	_recalc_want;
628	};	1075	};
629		1076
630	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
632		1079
…		…
647	";	1094	";
648	die if $@;	1095	die if $@;
649	}	1096	}
650		1097
651	our $override;	1098	our $override;
652	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?
653		1100
654	sub override {	1101	sub override {
655	$override = 1;	1102	$override = 1;
656	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
657	}	1104	}
658		1105
659	sub do_invoke {	1106	sub do_invoke {
660	my $event = shift;	1107	my $event = shift;
661	my $callbacks = shift;	1108	my $callbacks = shift;
662		1109
663	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
664		1111
665	local $override;	1112	local $override;
666		1113
667	for (@$callbacks) {	1114	for (@$callbacks) {
668	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
669		1116
670	if ($@) {	1117	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1119	override;
674	}	1120	}
675		1121
676	return 1 if $override;	1122	return 1 if $override;
677	}	1123	}
678		1124
679	0	1125	0
680	}	1126	}
681		1127
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1129
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1131
686	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
687		1133
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1137
692	=back	1138	=back
693		1139
694	=cut	1140	=cut
695		1141
696	#############################################################################	1142	#############################################################################
697	# 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, $ob2
		1185	}
698		1186
699	sub reattach {	1187	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1189	my ($obj) = @_;
702		1190
		1191	# no longer needed after getting rid of delete_package?
703	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
704		1193
705	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
706		1195
707	@$registry = ();	1196	@$registry = ();
708		1197
…		…
713	for (@$attach) {	1202	for (@$attach) {
714	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
716	}	1205	}
717	} else {	1206	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1208	}
720	}	1209	}
721	}	1210	}
722		1211
723	cf::attachable->attach (	1212	cf::attachable->attach (
724	prio => -1000000,	1213	prio => -1000000,
725	on_instantiate => sub {	1214	on_instantiate => sub {
726	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
727		1216
728	$data = from_json $data;	1217	$data = decode_json $data;
729		1218
730	for (@$data) {	1219	for (@$data) {
731	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
732		1221
733	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1238	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
751		1240
752	sync_job {	1241	sync_job {
753	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
756		1247
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	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	}
761	close $fh;	1255	aio_close $fh;
762		1256
763	if (@$objs) {	1257	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
768	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	}
769	close $fh;	1266	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
771	}	1268	}
772	} else {	1269	} else {
773	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
774	}	1271	}
775		1272
776	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1277	} else {
778	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
779	}	1279	}
780	} else {	1280	} else {
781	aio_unlink $filename;	1281	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
783	}	1283	}
784	}	1284	};
785	}	1285	}
786		1286
787	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
789		1289
…		…
801	or return;	1301	or return;
802		1302
803	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
805	or return;	1305	or return;
		1306
806	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
807	}	1309	}
808		1310
		1311	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
811	return ($data, $av);	1316	($data, $av)
812	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
813		1324
814	#############################################################################	1325	#############################################################################
815	# command handling &c	1326	# command handling &c
816		1327
817	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1342	}
832		1343
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1345
835	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.
836		1351
837	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
838	called.	1353	called.
839		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
840	=cut	1366	=cut
841		1367
842	sub register_extcmd {	1368	sub register_extcmd {
843	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
844		1370
845	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
846	}	1372	}
847		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
848	cf::player->attach (	1382	cf::player->attach (
849	on_command => sub {	1383	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
851		1385
852	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
853	or return;	1387	or return;
854		1388
…		…
859	cf::override;	1393	cf::override;
860	},	1394	},
861	on_extcmd => sub {	1395	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
863		1397
864	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1399
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
872	} else {	1415	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1417	}
875		1418
876	cf::override;	1419	cf::override;
877	},	1420	},
878	);	1421	);
879		1422
		1423	# "readahead" all extensions
880	sub load_extension {	1424	sub cache_extensions {
881	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
882		1426
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1430	}
908	die $@;
909	}	1431	};
910		1432
911	push @EXTS, $pkg;	1433	$grp
912	}	1434	}
913		1435
914	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
915	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1443	next unless -r $path;
917	eval {	1444
918	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 $active;
		1507	}
919	1	1508	}
920	} or warn "$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	}
921	}	1519	};
922	}	1520	}
923		1521
924	#############################################################################	1522	#############################################################################
925		1523
		1524	=back
		1525
926	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
927		1527
928	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
929		1529
930	=cut	1530	=cut
931		1531
932	package cf::player;	1532	package cf::player;
933		1533
…		…
935		1535
936	=head3 cf::player	1536	=head3 cf::player
937		1537
938	=over 4	1538	=over 4
939		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
940	=item cf::player::find $login	1554	=item cf::player::find $login
941		1555
942	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
943		1557
944	=cut	1558	=cut
945		1559
946	sub playerdir($) {	1560	sub playerdir($) {
947	cf::localdir	1561	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1563	}
953		1564
954	sub path($) {	1565	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1567
957	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
958	}	1569	}
959		1570
960	sub find_active($) {	1571	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
965		1576
966	sub exists($) {	1577	sub exists($) {
967	my ($login) = @_;	1578	my ($login) = @_;
968		1579
969	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
971	}	1582	}
972		1583
973	sub find($) {	1584	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1586	my $login = $_[0];
976		1587
977	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
978		1589
979	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
983	}	1607	}
984	}	1608	}
985	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($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	);
986		1623
987	sub save($) {	1624	sub save($) {
988	my ($pl) = @_;	1625	my ($pl) = @_;
989		1626
990	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
996		1633
997	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
999		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
1000	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1001	Coro::cede;	1643	cf::cede_to_tick;
1002	}	1644	}
1003		1645
1004	sub new($) {	1646	sub new($) {
1005	my ($login) = @_;	1647	my ($login) = @_;
1006		1648
…		…
1012	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1013		1655
1014	$self	1656	$self
1015	}	1657	}
1016		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
1017	=item $pl->quit_character	1669	=item $pl->quit_character
1018		1670
1019	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1021		1673
…		…
1025	my ($pl) = @_;	1677	my ($pl) = @_;
1026		1678
1027	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1028		1680
1029	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1030	$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
1031		1683
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1033	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1035	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1036		1692
1037	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1039	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1068	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1069		1725
1070	=cut	1726	=cut
1071		1727
1072	sub list_logins {	1728	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1730	or return [];
1075		1731
1076	my @logins;	1732	my @logins;
1077		1733
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1082		1744
1083	utf8::decode $login;	1745	utf8::decode $login;
1084	push @logins, $login;	1746	push @logins, $login;
1085	}	1747	}
1086		1748
1087	\@logins	1749	\@logins
1088	}	1750	}
1089		1751
1090	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1091		1755
1092	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1093	player. May block.	1757	player. May block.
1094		1758
1095	=cut	1759	=cut
…		…
1113	}	1777	}
1114		1778
1115	\@paths	1779	\@paths
1116	}	1780	}
1117		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1119		1787
1120	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1121		1789
1122	=cut	1790	=cut
1123		1791
1124	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1126		1794
1127	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1796	}
1131		1797
1132	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	}
1133		1840
1134	=back	1841	=back
1135
1136		1842
1137	=head3 cf::map	1843	=head3 cf::map
1138		1844
1139	=over 4	1845	=over 4
1140		1846
…		…
1152	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1154		1860
1155	sub generate_random_map {	1861	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1157	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1867	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1869	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1870	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},	1871	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},	1872	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1873	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1874	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1180		1889
1181	sub register {	1890	sub register {
1182	my (undef, $regex, $prio) = @_;	1891	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1892	my $pkg = caller;
1184		1893
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1894	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1895
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1896	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1897	}
1190		1898
1191	# also paths starting with '/'	1899	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1900	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1901
1194	sub thawer_merge {	1902	sub thawer_merge {
1195	my ($self, $merge) = @_;	1903	my ($self, $merge) = @_;
1196		1904
1197	# we have to keep some variables in memory intact	1905	# we have to keep some variables in memory intact
1198	local $self->{path};	1906	local $self->{path};
1199	local $self->{load_path};	1907	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1908
1203	$self->SUPER::thawer_merge ($merge);	1909	$self->SUPER::thawer_merge ($merge);
1204	}	1910	}
1205		1911
1206	sub normalise {	1912	sub normalise {
1207	my ($path, $base) = @_;	1913	my ($path, $base) = @_;
1208		1914
1209	$path = "$path"; # make sure its a string	1915	$path = "$path"; # make sure it's a string
1210		1916
1211	$path =~ s/\.map$//;	1917	$path =~ s/\.map$//;
1212		1918
1213	# map plan:	1919	# map plan:
1214	#	1920	#
…		…
1229	$base =~ s{[^/]+/?$}{};	1935	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	1936	$path = "$base/$path";
1231	}	1937	}
1232		1938
1233	for ($path) {	1939	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	1940	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	1941	redo if s{/[^/]+/\.\./}{/};
1237	}	1942	}
1238		1943
1239	$path	1944	$path
…		…
1253	$self->init; # pass $1 etc.	1958	$self->init; # pass $1 etc.
1254	return $self;	1959	return $self;
1255	}	1960	}
1256	}	1961	}
1257		1962
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1963	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	1964	()
1260	}	1965	}
1261		1966
1262	sub init {	1967	sub init {
1263	my ($self) = @_;	1968	my ($self) = @_;
…		…
1278		1983
1279	# the original (read-only) location	1984	# the original (read-only) location
1280	sub load_path {	1985	sub load_path {
1281	my ($self) = @_;	1986	my ($self) = @_;
1282		1987
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1988	"$MAPDIR/$self->{path}.map"
1284	}	1989	}
1285		1990
1286	# the temporary/swap location	1991	# the temporary/swap location
1287	sub save_path {	1992	sub save_path {
1288	my ($self) = @_;	1993	my ($self) = @_;
1289		1994
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1995	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1996	"$TMPDIR/$path.map"
1292	}	1997	}
1293		1998
1294	# the unique path, undef == no special unique path	1999	# the unique path, undef == no special unique path
1295	sub uniq_path {	2000	sub uniq_path {
1296	my ($self) = @_;	2001	my ($self) = @_;
1297		2002
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2003	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2004	"$UNIQUEDIR/$path"
1300	}	2005	}
1301		2006
1302	# and all this just because we cannot iterate over	2007	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	2008	my ($self) = @_;
1306		2009
1307	$_->change_map_light ($change)	2010	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	2011
		2012	$self->do_decay_objects;
1309	}	2013	}
1310		2014
1311	sub unlink_save {	2015	sub unlink_save {
1312	my ($self) = @_;	2016	my ($self) = @_;
1313		2017
…		…
1318		2022
1319	sub load_header_from($) {	2023	sub load_header_from($) {
1320	my ($self, $path) = @_;	2024	my ($self, $path) = @_;
1321		2025
1322	utf8::encode $path;	2026	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2027	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2028	or return;
		2029
		2030	$self->_load_header ($f)
		2031	or return;
		2032
		2033	local $MAP_LOADING{$self->{path}} = $self;
		2034	$f->resolve_delayed_derefs;
1328		2035
1329	$self->{load_path} = $path;	2036	$self->{load_path} = $path;
1330		2037
1331	1	2038	1
1332	}	2039	}
…		…
1371	$self->load_header_orig	2078	$self->load_header_orig
1372	or return;	2079	or return;
1373	$self->prepare_orig;	2080	$self->prepare_orig;
1374	}	2081	}
1375		2082
		2083	$self->{deny_reset} = 1
		2084	if $self->no_reset;
		2085
		2086	$self->default_region (cf::region::find_by_path $self->{path})
		2087	unless $self->default_region;
		2088
1376	1	2089	1
1377	}	2090	}
1378		2091
1379	sub find;	2092	sub find;
1380	sub find {	2093	sub find {
1381	my ($path, $origin) = @_;	2094	my ($path, $origin) = @_;
1382		2095
		2096	cf::cede_to_tick;
		2097
1383	$path = normalise $path, $origin && $origin->path;	2098	$path = normalise $path, $origin && $origin->path;
1384		2099
		2100	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2101	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2102
1387	$cf::MAP{$path} || do {	2103	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2104	my $map = new_from_path cf::map $path
1390	or return;	2105	or return;
1391		2106
1392	$map->{last_save} = $cf::RUNTIME;	2107	$map->{last_save} = $cf::RUNTIME;
1393		2108
1394	$map->load_header	2109	$map->load_header
1395	or return;	2110	or return;
1396		2111
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2112	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2113	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2114	#$cf::WAIT_FOR_TICK->wait;
		2115	undef $guard2;
		2116	undef $guard1;
1400	$map->reset;	2117	$map->reset;
1401	undef $guard;
1402	return find $path;	2118	return find $path;
1403	}	2119	}
1404		2120
1405	$cf::MAP{$path} = $map	2121	$cf::MAP{$path} = $map
1406	}	2122	}
1407	}	2123	}
1408		2124
1409	sub pre_load { }	2125	sub pre_load { }
1410	sub post_load { }	2126	#sub post_load { } # XS
1411		2127
1412	sub load {	2128	sub load {
1413	my ($self) = @_;	2129	my ($self) = @_;
1414		2130
1415	local $self->{deny_reset} = 1; # loading can take a long time	2131	local $self->{deny_reset} = 1; # loading can take a long time
1416		2132
1417	my $path = $self->{path};	2133	my $path = $self->{path};
		2134
		2135	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2136	my $guard = cf::lock_acquire "map_data:$path";
1419		2137
		2138	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2139	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2140
1422	$self->in_memory (cf::MAP_LOADING);	2141	$self->in_memory (cf::MAP_LOADING);
1423		2142
1424	$self->alloc;	2143	$self->alloc;
1425		2144
1426	$self->pre_load;	2145	$self->pre_load;
		2146	cf::cede_to_tick;
1427		2147
1428	$self->_load_objects ($self->{load_path}, 1)	2148	my $f = new_from_file cf::object::thawer $self->{load_path};
		2149	$f->skip_block;
		2150	$self->_load_objects ($f)
1429	or return;	2151	or return;
1430		2152
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2153	$self->post_load_original
1432	if delete $self->{load_original};	2154	if delete $self->{load_original};
1433		2155
1434	if (my $uniq = $self->uniq_path) {	2156	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2157	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2158	unless (aio_stat $uniq) {
		2159	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2160	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2161	$self->_load_objects ($f);
		2162	$f->resolve_delayed_derefs;
		2163	}
1439	}	2164	}
1440	}	2165	}
1441		2166
1442	Coro::cede;	2167	$f->resolve_delayed_derefs;
1443		2168
		2169	cf::cede_to_tick;
1444	# now do the right thing for maps	2170	# now do the right thing for maps
1445	$self->link_multipart_objects;	2171	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2172	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2173	unless $self->difficulty;
1455	Coro::cede;	2174	cf::cede_to_tick;
		2175
		2176	unless ($self->{deny_activate}) {
		2177	$self->decay_objects;
		2178	$self->fix_auto_apply;
		2179	$self->update_buttons;
		2180	cf::cede_to_tick;
1456	$self->activate;	2181	$self->activate;
		2182	}
		2183
		2184	$self->{last_save} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186
		2187	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2188	}
1458		2189
1459	$self->post_load;	2190	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2191	}
1463		2192
		2193	# customize the map for a given player, i.e.
		2194	# return the _real_ map. used by e.g. per-player
		2195	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2196	sub customise_for {
1465	my ($self, $ob) = @_;	2197	my ($self, $ob) = @_;
1466		2198
1467	return find "~" . $ob->name . "/" . $self->{path}	2199	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2200	if $self->per_player;
1469		2201
		2202	# return find "?party/" . $ob->name . "/" . $self->{path}
		2203	# if $self->per_party;
		2204
1470	$self	2205	$self
1471	}	2206	}
1472		2207
1473	# find and load all maps in the 3x3 area around a map	2208	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2209	sub load_neighbours {
1475	my ($map) = @_;	2210	my ($map) = @_;
1476		2211
1477	my @diag; # diagonal neighbours	2212	my @neigh; # diagonal neighbours
1478		2213
1479	for (0 .. 3) {	2214	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2215	my $neigh = $map->tile_path ($_)
1481	or next;	2216	or next;
1482	$neigh = find $neigh, $map	2217	$neigh = find $neigh, $map
1483	or next;	2218	or next;
1484	$neigh->load;	2219	$neigh->load;
1485		2220
		2221	# now find the diagonal neighbours
		2222	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2223	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2224	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2225	}
1489		2226
1490	for (@diag) {	2227	for (grep defined $_->[0], @neigh) {
		2228	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2229	my $neigh = find $path, $origin
1492	or next;	2230	or next;
1493	$neigh->load;	2231	$neigh->load;
1494	}	2232	}
1495	}	2233	}
1496		2234
1497	sub find_sync {	2235	sub find_sync {
1498	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1499		2237
1500	cf::sync_job { find $path, $origin }	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	find $path, $origin
1501	}	2242	}
1502		2243
1503	sub do_load_sync {	2244	sub do_load_sync {
1504	my ($map) = @_;	2245	my ($map) = @_;
1505		2246
1506	cf::sync_job { $map->load };	2247	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2248	if $Coro::current == $Coro::main;
		2249
		2250	$map->load;
1507	}	2251	}
1508		2252
1509	our %MAP_PREFETCH;	2253	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2254	our $MAP_PREFETCHER = undef;
1511		2255
1512	sub find_async {	2256	sub find_async {
1513	my ($path, $origin) = @_;	2257	my ($path, $origin, $load) = @_;
1514		2258
1515	$path = normalise $path, $origin && $origin->{path};	2259	$path = normalise $path, $origin && $origin->{path};
1516		2260
1517	if (my $map = $cf::MAP{$path}) {	2261	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2262	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2263	}
1520		2264
1521	undef $MAP_PREFETCH{$path};	2265	$MAP_PREFETCH{$path} |= $load;
		2266
1522	$MAP_PREFETCHER ||= cf::async {	2267	$MAP_PREFETCHER ||= cf::async {
		2268	$Coro::current->{desc} = "map prefetcher";
		2269
1523	while (%MAP_PREFETCH) {	2270	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2271	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2272	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2273	$map->load if $v;
		2274	}
1528		2275
1529	delete $MAP_PREFETCH{$path};	2276	delete $MAP_PREFETCH{$k};
1530	}	2277	}
1531	}	2278	}
1532	undef $MAP_PREFETCHER;	2279	undef $MAP_PREFETCHER;
1533	};	2280	};
1534	$MAP_PREFETCHER->prio (6);	2281	$MAP_PREFETCHER->prio (6);
1535		2282
1536	()	2283	()
1537	}	2284	}
1538		2285
		2286	# common code, used by both ->save and ->swapout
1539	sub save {	2287	sub _save {
1540	my ($self) = @_;	2288	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2289
1544	$self->{last_save} = $cf::RUNTIME;	2290	$self->{last_save} = $cf::RUNTIME;
1545		2291
1546	return unless $self->dirty;	2292	return unless $self->dirty;
1547		2293
…		…
1553	return if $self->{deny_save};	2299	return if $self->{deny_save};
1554		2300
1555	local $self->{last_access} = $self->last_access;#d#	2301	local $self->{last_access} = $self->last_access;#d#
1556		2302
1557	cf::async {	2303	cf::async {
		2304	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2305	$_->contr->save for $self->players;
1559	};	2306	};
		2307
		2308	cf::get_slot 0.02;
1560		2309
1561	if ($uniq) {	2310	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2311	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2312	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2313	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2315	}
1567	}	2316	}
1568		2317
		2318	sub save {
		2319	my ($self) = @_;
		2320
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	$self->_save;
		2324	}
		2325
1569	sub swap_out {	2326	sub swap_out {
1570	my ($self) = @_;	2327	my ($self) = @_;
1571		2328
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2330
		2331	return if $self->in_memory != cf::MAP_ACTIVE;
		2332	return if $self->{deny_save};
1577	return if $self->players;	2333	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2334
		2335	# first deactivate the map and "unlink" it from the core
		2336	$self->deactivate;
		2337	$_->clear_links_to ($self) for values %cf::MAP;
		2338	$self->in_memory (cf::MAP_SWAPPED);
		2339
		2340	# then atomically save
		2341	$self->_save;
		2342
		2343	# then free the map
1581	$self->clear;	2344	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2345	}
1584		2346
1585	sub reset_at {	2347	sub reset_at {
1586	my ($self) = @_;	2348	my ($self) = @_;
1587		2349
1588	# TODO: safety, remove and allow resettable per-player maps	2350	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2351	return 1e99 if $self->{deny_reset};
1591		2352
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2353	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2354	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2355
…		…
1605	my ($self) = @_;	2366	my ($self) = @_;
1606		2367
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2369
1609	return if $self->players;	2370	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2371
1612	warn "resetting map ", $self->path;#d#	2372	cf::trace "resetting map ", $self->path, "\n";
1613		2373
1614	$self->in_memory (cf::MAP_SWAPPED);	2374	$self->in_memory (cf::MAP_SWAPPED);
1615		2375
1616	# need to save uniques path	2376	# need to save uniques path
1617	unless ($self->{deny_save}) {	2377	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2381	if $uniq;
1622	}	2382	}
1623		2383
1624	delete $cf::MAP{$self->path};	2384	delete $cf::MAP{$self->path};
1625		2385
		2386	$self->deactivate;
		2387	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2388	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2389
1630	$self->unlink_save;	2390	$self->unlink_save;
1631	$self->destroy;	2391	$self->destroy;
1632	}	2392	}
1633		2393
1634	my $nuke_counter = "aaaa";	2394	my $nuke_counter = "aaaa";
1635		2395
1636	sub nuke {	2396	sub nuke {
1637	my ($self) = @_;	2397	my ($self) = @_;
1638		2398
		2399	{
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
1639	delete $cf::MAP{$self->path};	2402	delete $cf::MAP{$self->path};
1640		2403
1641	$self->unlink_save;	2404	$self->unlink_save;
1642		2405
1643	bless $self, "cf::map";	2406	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2407	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2408	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2409	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2410	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2411
1649	$cf::MAP{$self->path} = $self;	2412	$cf::MAP{$self->path} = $self;
		2413	}
1650		2414
1651	$self->reset; # polite request, might not happen	2415	$self->reset; # polite request, might not happen
		2416	}
		2417
		2418	=item $maps = cf::map::tmp_maps
		2419
		2420	Returns an arrayref with all map paths of currently instantiated and saved
		2421	maps. May block.
		2422
		2423	=cut
		2424
		2425	sub tmp_maps() {
		2426	[
		2427	map {
		2428	utf8::decode $_;
		2429	/\.map$/
		2430	? normalise $_
		2431	: ()
		2432	} @{ aio_readdir $TMPDIR or [] }
		2433	]
		2434	}
		2435
		2436	=item $maps = cf::map::random_maps
		2437
		2438	Returns an arrayref with all map paths of currently instantiated and saved
		2439	random maps. May block.
		2440
		2441	=cut
		2442
		2443	sub random_maps() {
		2444	[
		2445	map {
		2446	utf8::decode $_;
		2447	/\.map$/
		2448	? normalise "?random/$_"
		2449	: ()
		2450	} @{ aio_readdir $RANDOMDIR or [] }
		2451	]
1652	}	2452	}
1653		2453
1654	=item cf::map::unique_maps	2454	=item cf::map::unique_maps
1655		2455
1656	Returns an arrayref of paths of all shared maps that have	2456	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2457	instantiated unique items. May block.
1658		2458
1659	=cut	2459	=cut
1660		2460
1661	sub unique_maps() {	2461	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2462	[
1663	or return;	2463	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2464	utf8::decode $_;
1669	next if /\.pst$/;	2465	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2466	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2467	? ()
1672	push @paths, cf::map::normalise $_;	2468	: normalise $_
		2469	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2470	]
1674
1675	\@paths
1676	}	2471	}
1677		2472
1678	package cf;	2473	=item cf::map::static_maps
		2474
		2475	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2476	file in the shared directory excluding F</styles> and F</editor>). May
		2477	block.
		2478
		2479	=cut
		2480
		2481	sub static_maps() {
		2482	my @dirs = "";
		2483	my @maps;
		2484
		2485	while (@dirs) {
		2486	my $dir = shift @dirs;
		2487
		2488	next if $dir eq "/styles" || $dir eq "/editor";
		2489
		2490	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2491	or return;
		2492
		2493	for (@$files) {
		2494	s/\.map$// or next;
		2495	utf8::decode $_;
		2496	push @maps, "$dir/$_";
		2497	}
		2498
		2499	push @dirs, map "$dir/$_", @$dirs;
		2500	}
		2501
		2502	\@maps
		2503	}
1679		2504
1680	=back	2505	=back
1681		2506
1682	=head3 cf::object	2507	=head3 cf::object
1683		2508
…		…
1687		2512
1688	=over 4	2513	=over 4
1689		2514
1690	=item $ob->inv_recursive	2515	=item $ob->inv_recursive
1691		2516
1692	Returns the inventory of the object _and_ their inventories, recursively.	2517	Returns the inventory of the object I<and> their inventories, recursively,
		2518	but I<not> the object itself.
1693		2519
1694	=cut	2520	=cut
1695		2521
1696	sub inv_recursive_;	2522	sub inv_recursive_;
1697	sub inv_recursive_ {	2523	sub inv_recursive_ {
…		…
1700		2526
1701	sub inv_recursive {	2527	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2528	inv_recursive_ inv $_[0]
1703	}	2529	}
1704		2530
		2531	=item $ref = $ob->ref
		2532
		2533	Creates and returns a persistent reference to an object that can be stored as a string.
		2534
		2535	=item $ob = cf::object::deref ($refstring)
		2536
		2537	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2538	even if the object actually exists. May block.
		2539
		2540	=cut
		2541
		2542	sub deref {
		2543	my ($ref) = @_;
		2544
		2545	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2546	my ($uuid, $name) = ($1, $2);
		2547	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2548	or return;
		2549	$pl->ob->uuid eq $uuid
		2550	or return;
		2551
		2552	$pl->ob
		2553	} else {
		2554	warn "$ref: cannot resolve object reference\n";
		2555	undef
		2556	}
		2557	}
		2558
1705	package cf;	2559	package cf;
1706		2560
1707	=back	2561	=back
1708		2562
1709	=head3 cf::object::player	2563	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2569	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2570	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2571	dialogue with the given NPC character.
1718		2572
1719	=cut	2573	=cut
		2574
		2575	our $SAY_CHANNEL = {
		2576	id => "say",
		2577	title => "Map",
		2578	reply => "say ",
		2579	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2580	};
		2581
		2582	our $CHAT_CHANNEL = {
		2583	id => "chat",
		2584	title => "Chat",
		2585	reply => "chat ",
		2586	tooltip => "Player chat and shouts, global to the server.",
		2587	};
1720		2588
1721	# rough implementation of a future "reply" method that works	2589	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2590	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2591	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2592	sub cf::object::player::reply($$$;$) {
…		…
1726		2594
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2595	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2596
1729	if ($self->{record_replies}) {	2597	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2598	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2599
1731	} else {	2600	} else {
		2601	my $pl = $self->contr;
		2602
		2603	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2604	my $dialog = $pl->{npc_dialog};
		2605	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2606
		2607	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2608	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2609	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2610	}
1734	}	2611	}
		2612	}
		2613
		2614	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2615
		2616	=cut
		2617
		2618	sub cf::object::send_msg {
		2619	my $pl = shift->contr
		2620	or return;
		2621	$pl->send_msg (@_);
1735	}	2622	}
1736		2623
1737	=item $player_object->may ("access")	2624	=item $player_object->may ("access")
1738		2625
1739	Returns wether the given player is authorized to access resource "access"	2626	Returns wether the given player is authorized to access resource "access"
…		…
1752		2639
1753	=item $player_object->enter_link	2640	=item $player_object->enter_link
1754		2641
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2642	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2643
1757	The player should be reasonably safe there for short amounts of time. You	2644	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2645	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2646	though, as the player cannot control the character while it is on the link
		2647	map.
1759		2648
1760	Will never block.	2649	Will never block.
1761		2650
1762	=item $player_object->leave_link ($map, $x, $y)	2651	=item $player_object->leave_link ($map, $x, $y)
1763		2652
…		…
1783	sub cf::object::player::enter_link {	2672	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2673	my ($self) = @_;
1785		2674
1786	$self->deactivate_recursive;	2675	$self->deactivate_recursive;
1787		2676
		2677	++$self->{_link_recursion};
		2678
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2679	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2680
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2682	if $self->map && $self->map->{path} ne "{link}";
1792		2683
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2684	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2685	}
1795		2686
1796	sub cf::object::player::leave_link {	2687	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2688	my ($self, $map, $x, $y) = @_;
		2689
		2690	return unless $self->contr->active;
1798		2691
1799	my $link_pos = delete $self->{_link_pos};	2692	my $link_pos = delete $self->{_link_pos};
1800		2693
1801	unless ($map) {	2694	unless ($map) {
1802	# restore original map position	2695	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2706	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2707	unless (defined $x) && (defined $y);
1815		2708
1816	# use -1 or undef as default coordinates, not 0, 0	2709	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2710	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2711	if $x <= 0 && $y <= 0;
1819		2712
1820	$map->load;	2713	$map->load;
1821	$map->load_diag;	2714	$map->load_neighbours;
1822		2715
1823	return unless $self->contr->active;	2716	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2717
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2718	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2719	if ($self->enter_map ($map, $x, $y)) {
1828	}	2720	# entering was successful
1829		2721	delete $self->{_link_recursion};
1830	cf::player->attach (	2722	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2723	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2724	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2725
1844	# try to abort aborted map switching on player login :)	2726	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2727
1862	=item $player_object->goto ($path, $x, $y)	2728	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2729
		2730	Moves the player to the given map-path and coordinates by first freezing
		2731	her, loading and preparing them map, calling the provided $check callback
		2732	that has to return the map if sucecssful, and then unfreezes the player on
		2733	the new (success) or old (failed) map position. In either case, $done will
		2734	be called at the end of this process.
		2735
		2736	Note that $check will be called with a potentially non-loaded map, so if
		2737	it needs a loaded map it has to call C<< ->load >>.
		2738
1864	=cut	2739	=cut
		2740
		2741	our $GOTOGEN;
1865		2742
1866	sub cf::object::player::goto {	2743	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2744	my ($self, $path, $x, $y, $check, $done) = @_;
		2745
		2746	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2747	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2748	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2749	($path, $x, $y) = @$EMERGENCY_POSITION;
		2750	}
		2751
		2752	# do generation counting so two concurrent goto's will be executed in-order
		2753	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2754
1869	$self->enter_link;	2755	$self->enter_link;
1870		2756
1871	(async {	2757	(async {
		2758	$Coro::current->{desc} = "player::goto $path $x $y";
		2759
		2760	# *tag paths override both path and x|y
		2761	if ($path =~ /^\*(.*)$/) {
		2762	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2763	my $ob = $obs[rand @obs];
		2764
		2765	# see if we actually can go there
		2766	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2767	$ob = $obs[rand @obs];
		2768	} else {
		2769	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2770	}
		2771	# else put us there anyways for now #d#
		2772
		2773	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2774	} else {
		2775	($path, $x, $y) = (undef, undef, undef);
		2776	}
		2777	}
		2778
1872	my $map = eval {	2779	my $map = eval {
1873	my $map = cf::map::find $path;	2780	my $map = defined $path ? cf::map::find $path : undef;
		2781
		2782	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2783	$map = $map->customise_for ($self);
		2784	$map = $check->($map, $x, $y, $self) if $check && $map;
		2785	} else {
		2786	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2787	}
		2788
1875	$map	2789	$map
		2790	};
		2791
		2792	if ($@) {
		2793	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2794	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2795	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2796
		2797	if ($gen == $self->{_goto_generation}) {
		2798	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2799	$self->leave_link ($map, $x, $y);
		2800	}
		2801
		2802	$done->($self) if $done;
1880	})->prio (1);	2803	})->prio (1);
1881	}	2804	}
1882		2805
1883	=item $player_object->enter_exit ($exit_object)	2806	=item $player_object->enter_exit ($exit_object)
1884		2807
…		…
1904	}	2827	}
1905		2828
1906	sub prepare_random_map {	2829	sub prepare_random_map {
1907	my ($exit) = @_;	2830	my ($exit) = @_;
1908		2831
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2832	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2833	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2834	# that depends on the exit object
1914		2835
1915	my $rmp = parse_random_map_params $exit->msg;	2836	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2838	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2839	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2840	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2841	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2842	$rmp->{origin_y} = $exit->y;
		2843
		2844	$exit->map->touch;
1922	}	2845	}
1923		2846
1924	$rmp->{random_seed} ||= $exit->random_seed;	2847	$rmp->{random_seed} ||= $exit->random_seed;
1925		2848
1926	my $data = cf::to_json $rmp;	2849	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2850	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2851	my $meta = "$RANDOMDIR/$md5.meta";
1929		2852
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2854	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2855	undef $fh;
1933	aio_rename "$meta~", $meta;	2856	aio_rename "$meta~", $meta;
1934		2857
		2858	my $slaying = "?random/$md5";
		2859
		2860	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2861	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2862	$exit->msg (undef);
		2863	}
1937	}	2864	}
1938	}	2865	}
1939		2866
1940	sub cf::object::player::enter_exit {	2867	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2868	my ($self, $exit) = @_;
1942		2869
1943	return unless $self->type == cf::PLAYER;	2870	return unless $self->type == cf::PLAYER;
1944		2871
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2872	$self->enter_link;
1955		2873
1956	(async {	2874	(async {
1957	$self->deactivate_recursive; # just to be sure	2875	$Coro::current->{desc} = "enter_exit";
		2876
1958	unless (eval {	2877	unless (eval {
		2878	$self->deactivate_recursive; # just to be sure
		2879
		2880	# random map handling
		2881	{
		2882	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2883
		2884	prepare_random_map $exit
		2885	if $exit->slaying eq "/!";
		2886	}
		2887
		2888	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2889	my $x = $exit->stats->hp;
		2890	my $y = $exit->stats->sp;
		2891
1959	$self->goto ($slaying, $hp, $sp);	2892	$self->goto ($map, $x, $y);
1960		2893
		2894	# if exit is damned, update players death & WoR home-position
		2895	$self->contr->savebed ($map, $x, $y)
		2896	if $exit->flag (cf::FLAG_DAMNED);
		2897
1961	1;	2898	1
1962	}) {	2899	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2900	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2901	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2902	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2903	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2904
1968	warn "ERROR in enter_exit: $@";	2905	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2906	$self->leave_link;
1970	}	2907	}
1971	})->prio (1);	2908	})->prio (1);
1972	}	2909	}
1973		2910
…		…
1987		2924
1988	utf8::encode $text;	2925	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2926	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2927	}
1991		2928
		2929	=item $client->send_big_packet ($pkt)
		2930
		2931	Like C<send_packet>, but tries to compress large packets, and fragments
		2932	them as required.
		2933
		2934	=cut
		2935
		2936	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2937
		2938	sub cf::client::send_big_packet {
		2939	my ($self, $pkt) = @_;
		2940
		2941	# try lzf for large packets
		2942	$pkt = "lzf " . Compress::LZF::compress $pkt
		2943	if 1024 <= length $pkt and $self->{can_lzf};
		2944
		2945	# split very large packets
		2946	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2947	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2948	$pkt = "frag";
		2949	}
		2950
		2951	$self->send_packet ($pkt);
		2952	}
		2953
		2954	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2955
		2956	Send a drawinfo or msg packet to the client, formatting the msg for the
		2957	client if neccessary. C<$type> should be a string identifying the type of
		2958	the message, with C<log> being the default. If C<$color> is negative, suppress
		2959	the message unless the client supports the msg packet.
		2960
		2961	=cut
		2962
		2963	# non-persistent channels (usually the info channel)
		2964	our %CHANNEL = (
		2965	"c/motd" => {
		2966	id => "infobox",
		2967	title => "MOTD",
		2968	reply => undef,
		2969	tooltip => "The message of the day",
		2970	},
		2971	"c/identify" => {
		2972	id => "infobox",
		2973	title => "Identify",
		2974	reply => undef,
		2975	tooltip => "Items recently identified",
		2976	},
		2977	"c/examine" => {
		2978	id => "infobox",
		2979	title => "Examine",
		2980	reply => undef,
		2981	tooltip => "Signs and other items you examined",
		2982	},
		2983	"c/shopinfo" => {
		2984	id => "infobox",
		2985	title => "Shop Info",
		2986	reply => undef,
		2987	tooltip => "What your bargaining skill tells you about the shop",
		2988	},
		2989	"c/book" => {
		2990	id => "infobox",
		2991	title => "Book",
		2992	reply => undef,
		2993	tooltip => "The contents of a note or book",
		2994	},
		2995	"c/lookat" => {
		2996	id => "infobox",
		2997	title => "Look",
		2998	reply => undef,
		2999	tooltip => "What you saw there",
		3000	},
		3001	"c/who" => {
		3002	id => "infobox",
		3003	title => "Players",
		3004	reply => undef,
		3005	tooltip => "Shows players who are currently online",
		3006	},
		3007	"c/body" => {
		3008	id => "infobox",
		3009	title => "Body Parts",
		3010	reply => undef,
		3011	tooltip => "Shows which body parts you posess and are available",
		3012	},
		3013	"c/statistics" => {
		3014	id => "infobox",
		3015	title => "Statistics",
		3016	reply => undef,
		3017	tooltip => "Shows your primary statistics",
		3018	},
		3019	"c/skills" => {
		3020	id => "infobox",
		3021	title => "Skills",
		3022	reply => undef,
		3023	tooltip => "Shows your experience per skill and item power",
		3024	},
		3025	"c/shopitems" => {
		3026	id => "infobox",
		3027	title => "Shop Items",
		3028	reply => undef,
		3029	tooltip => "Shows the items currently for sale in this shop",
		3030	},
		3031	"c/resistances" => {
		3032	id => "infobox",
		3033	title => "Resistances",
		3034	reply => undef,
		3035	tooltip => "Shows your resistances",
		3036	},
		3037	"c/pets" => {
		3038	id => "infobox",
		3039	title => "Pets",
		3040	reply => undef,
		3041	tooltip => "Shows information abotu your pets/a specific pet",
		3042	},
		3043	"c/perceiveself" => {
		3044	id => "infobox",
		3045	title => "Perceive Self",
		3046	reply => undef,
		3047	tooltip => "You gained detailed knowledge about yourself",
		3048	},
		3049	"c/uptime" => {
		3050	id => "infobox",
		3051	title => "Uptime",
		3052	reply => undef,
		3053	tooltip => "How long the server has been running since last restart",
		3054	},
		3055	"c/mapinfo" => {
		3056	id => "infobox",
		3057	title => "Map Info",
		3058	reply => undef,
		3059	tooltip => "Information related to the maps",
		3060	},
		3061	"c/party" => {
		3062	id => "party",
		3063	title => "Party",
		3064	reply => "gsay ",
		3065	tooltip => "Messages and chat related to your party",
		3066	},
		3067	"c/death" => {
		3068	id => "death",
		3069	title => "Death",
		3070	reply => undef,
		3071	tooltip => "Reason for and more info about your most recent death",
		3072	},
		3073	"c/say" => $SAY_CHANNEL,
		3074	"c/chat" => $CHAT_CHANNEL,
		3075	);
		3076
		3077	sub cf::client::send_msg {
		3078	my ($self, $channel, $msg, $color, @extra) = @_;
		3079
		3080	$msg = $self->pl->expand_cfpod ($msg)
		3081	unless $color & cf::NDI_VERBATIM;
		3082
		3083	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3084
		3085	# check predefined channels, for the benefit of C
		3086	if ($CHANNEL{$channel}) {
		3087	$channel = $CHANNEL{$channel};
		3088
		3089	$self->ext_msg (channel_info => $channel);
		3090	$channel = $channel->{id};
		3091
		3092	} elsif (ref $channel) {
		3093	# send meta info to client, if not yet sent
		3094	unless (exists $self->{channel}{$channel->{id}}) {
		3095	$self->{channel}{$channel->{id}} = $channel;
		3096	$self->ext_msg (channel_info => $channel);
		3097	}
		3098
		3099	$channel = $channel->{id};
		3100	}
		3101
		3102	return unless @extra || length $msg;
		3103
		3104	# default colour, mask it out
		3105	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3106	if $color & cf::NDI_DEF;
		3107
		3108	my $pkt = "msg "
		3109	. $self->{json_coder}->encode (
		3110	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3111	);
		3112
		3113	$self->send_big_packet ($pkt);
		3114	}
		3115
		3116	=item $client->ext_msg ($type, @msg)
		3117
		3118	Sends an ext event to the client.
		3119
		3120	=cut
		3121
		3122	sub cf::client::ext_msg($$@) {
		3123	my ($self, $type, @msg) = @_;
		3124
		3125	if ($self->extcmd == 2) {
		3126	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3127	} elsif ($self->extcmd == 1) { # TODO: remove
		3128	push @msg, msgtype => "event_$type";
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3130	}
		3131	}
		3132
		3133	=item $client->ext_reply ($msgid, @msg)
		3134
		3135	Sends an ext reply to the client.
		3136
		3137	=cut
		3138
		3139	sub cf::client::ext_reply($$@) {
		3140	my ($self, $id, @msg) = @_;
		3141
		3142	if ($self->extcmd == 2) {
		3143	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3144	} elsif ($self->extcmd == 1) {
		3145	#TODO: version 1, remove
		3146	unshift @msg, msgtype => "reply", msgid => $id;
		3147	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3148	}
		3149	}
1992		3150
1993	=item $success = $client->query ($flags, "text", \&cb)	3151	=item $success = $client->query ($flags, "text", \&cb)
1994		3152
1995	Queues a query to the client, calling the given callback with	3153	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3154	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3155	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3156
1999	Queries can fail, so check the return code. Or don't, as queries will become	3157	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3158	become reliable at some point in the future.
2001		3159
2002	=cut	3160	=cut
2003		3161
2004	sub cf::client::query {	3162	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3163	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3171	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3172	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3173
2016	$self->send_packet ($self->{query_queue}[0][0])	3174	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3175	if @{ $self->{query_queue} } == 1;
		3176
		3177	1
2018	}	3178	}
2019		3179
2020	cf::client->attach (	3180	cf::client->attach (
		3181	on_connect => sub {
		3182	my ($ns) = @_;
		3183
		3184	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3185	},
2021	on_reply => sub {	3186	on_reply => sub {
2022	my ($ns, $msg) = @_;	3187	my ($ns, $msg) = @_;
2023		3188
2024	# this weird shuffling is so that direct followup queries	3189	# this weird shuffling is so that direct followup queries
2025	# get handled first	3190	# get handled first
…		…
2037	} else {	3202	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3204	}
2040	}	3205	}
2041	},	3206	},
		3207	on_exticmd => sub {
		3208	my ($ns, $buf) = @_;
		3209
		3210	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3211
		3212	if (ref $msg) {
		3213	my ($type, $reply, @payload) =
		3214	"ARRAY" eq ref $msg
		3215	? @$msg
		3216	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3217
		3218	my @reply;
		3219
		3220	if (my $cb = $EXTICMD{$type}) {
		3221	@reply = $cb->($ns, @payload);
		3222	}
		3223
		3224	$ns->ext_reply ($reply, @reply)
		3225	if $reply;
		3226
		3227	} else {
		3228	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3229	}
		3230
		3231	cf::override;
		3232	},
2042	);	3233	);
2043		3234
2044	=item $client->async (\&cb)	3235	=item $client->async (\&cb)
2045		3236
2046	Create a new coroutine, running the specified callback. The coroutine will	3237	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3253
2063	$coro	3254	$coro
2064	}	3255	}
2065		3256
2066	cf::client->attach (	3257	cf::client->attach (
2067	on_destroy => sub {	3258	on_client_destroy => sub {
2068	my ($ns) = @_;	3259	my ($ns) = @_;
2069		3260
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3261	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3262	},
2072	);	3263	);
…		…
2087	our $safe = new Safe "safe";	3278	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3279	our $safe_hole = new Safe::Hole;
2089		3280
2090	$SIG{FPE} = 'IGNORE';	3281	$SIG{FPE} = 'IGNORE';
2091		3282
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3283	$safe->permit_only (Opcode::opset qw(
		3284	:base_core :base_mem :base_orig :base_math :base_loop
		3285	grepstart grepwhile mapstart mapwhile
		3286	sort time
		3287	));
2093		3288
2094	# here we export the classes and methods available to script code	3289	# here we export the classes and methods available to script code
2095		3290
2096	=pod	3291	=pod
2097		3292
2098	The following fucntions and emthods are available within a safe environment:	3293	The following functions and methods are available within a safe environment:
2099		3294
2100	cf::object contr pay_amount pay_player map	3295	cf::object
		3296	contr pay_amount pay_player map x y force_find force_add destroy
		3297	insert remove name archname title slaying race decrease split
		3298	value
		3299
2101	cf::object::player player	3300	cf::object::player
2102	cf::player peaceful	3301	player
2103	cf::map trigger	3302
		3303	cf::player
		3304	peaceful
		3305
		3306	cf::map
		3307	trigger
2104		3308
2105	=cut	3309	=cut
2106		3310
2107	for (	3311	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3312	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3313	insert remove inv nrof name archname title slaying race
		3314	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3315	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3316	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3317	["cf::map" => qw(trigger)],
2112	) {	3318	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3319	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3320	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3321	for @funs;
2117	}	3322	}
2118		3323
…		…
2133		3338
2134	my $qcode = $code;	3339	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3340	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3341	$qcode =~ s/\n/\\n/g;
2137		3342
		3343	%vars = (_dummy => 0) unless %vars;
		3344
		3345	my @res;
2138	local $_;	3346	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3347
2141	my $eval =	3348	my $eval =
2142	"do {\n"	3349	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3350	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3351	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3352	. $code
2146	. "\n}"	3353	. "\n}"
2147	;	3354	;
2148		3355
		3356	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3357	sub_generation_inc;
		3358	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3359	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3360	sub_generation_inc;
		3361	} else {
		3362	local @cf::_safe_eval_args = values %vars;
		3363	@res = wantarray ? eval eval : scalar eval $eval;
		3364	}
2152		3365
2153	if ($@) {	3366	if ($@) {
2154	warn "$@";	3367	warn "$@",
2155	warn "while executing safe code '$code'\n";	3368	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3369	"with arguments " . (join " ", %vars) . "\n";
2157	}	3370	}
2158		3371
2159	wantarray ? @res : $res[0]	3372	wantarray ? @res : $res[0]
2160	}	3373	}
2161		3374
…		…
2175	=cut	3388	=cut
2176		3389
2177	sub register_script_function {	3390	sub register_script_function {
2178	my ($fun, $cb) = @_;	3391	my ($fun, $cb) = @_;
2179		3392
2180	no strict 'refs';	3393	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3394	*$fun = $safe_hole->wrap ($cb);
2182	}	3395	}
2183		3396
2184	=back	3397	=back
2185		3398
2186	=cut	3399	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3400
2260	#############################################################################	3401	#############################################################################
2261	# the server's init and main functions	3402	# the server's init and main functions
2262		3403
2263	sub load_faces {	3404	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3405	my ($path) = @_;
2265		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2266	warn "loading faces from $path\n";	3413	trace "loading facedata from $path\n";
2267		3414
2268	my $faces;
2269	0 < aio_load $path, $faces	3415	0 < aio_load $path, my $facedata
2270	or die "$path: $!";	3416	or die "$path: $!";
2271		3417
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3418	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3419
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3420	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3421	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3422
		3423	# patch in the exptable
		3424	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3425	$facedata->{resource}{"res/exp_table"} = {
		3426	type => FT_RSRC,
		3427	data => $exp_table,
		3428	hash => (Digest::MD5::md5 $exp_table),
		3429	};
		3430	cf::cede_to_tick;
		3431
		3432	{
		3433	my $faces = $facedata->{faceinfo};
		3434
2280	while (my ($face, $info) = each %$faces) {	3435	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3436	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3437
		3438	cf::face::set_visibility $idx, $info->{visibility};
		3439	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3440	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	Coro::cede;	3441	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	}
2286		3442
		3443	cf::cede_to_tick;
		3444	}
		3445
2287	while (my ($face, $info) = each %$faces) {	3446	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3447	next unless $info->{smooth};
		3448
2289	my $idx = cf::face::find $face	3449	my $idx = cf::face::find $face
		3450	or next;
		3451
		3452	if (my $smooth = cf::face::find $info->{smooth}) {
		3453	cf::face::set_smooth $idx, $smooth;
		3454	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3455	} else {
		3456	error "smooth face '$info->{smooth}' not found for face '$face'";
		3457	}
		3458
		3459	cf::cede_to_tick;
		3460	}
		3461	}
		3462
		3463	{
		3464	my $anims = $facedata->{animinfo};
		3465
		3466	while (my ($anim, $info) = each %$anims) {
		3467	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3468	cf::cede_to_tick;
		3469	}
		3470
		3471	cf::anim::invalidate_all; # d'oh
		3472	}
		3473
		3474	{
		3475	my $res = $facedata->{resource};
		3476
		3477	while (my ($name, $info) = each %$res) {
		3478	if (defined $info->{type}) {
		3479	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3480
		3481	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3482	cf::face::set_type $idx, $info->{type};
		3483	} else {
		3484	$RESOURCE{$name} = $info; # unused
		3485	}
		3486
		3487	cf::cede_to_tick;
		3488	}
		3489	}
		3490
		3491	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3492
		3493	1
		3494	}
		3495
		3496	register_exticmd fx_want => sub {
		3497	my ($ns, $want) = @_;
		3498
		3499	while (my ($k, $v) = each %$want) {
		3500	$ns->fx_want ($k, $v);
		3501	}
		3502	};
		3503
		3504	sub load_resource_file($) {
		3505	my $guard = lock_acquire "load_resource_file";
		3506
		3507	my $status = load_resource_file_ $_[0];
		3508	get_slot 0.1, 100;
		3509	cf::arch::commit_load;
		3510
		3511	$status
		3512	}
		3513
		3514	sub reload_regions {
		3515	# HACK to clear player env face cache, we need some signal framework
		3516	# for this (global event?)
		3517	%ext::player_env::MUSIC_FACE_CACHE = ();
		3518
		3519	load_resource_file "$MAPDIR/regions"
		3520	or die "unable to load regions file\n";
		3521
		3522	for (cf::region::list) {
		3523	$_->{match} = qr/$_->{match}/
		3524	if exists $_->{match};
		3525	}
		3526	}
		3527
		3528	sub reload_facedata {
		3529	load_facedata "$DATADIR/facedata"
		3530	or die "unable to load facedata\n";
		3531	}
		3532
		3533	sub reload_archetypes {
		3534	load_resource_file "$DATADIR/archetypes"
		3535	or die "unable to load archetypes\n";
		3536	}
		3537
		3538	sub reload_treasures {
		3539	load_resource_file "$DATADIR/treasures"
		3540	or die "unable to load treasurelists\n";
		3541	}
		3542
		3543	sub reload_sound {
		3544	trace "loading sound config from $DATADIR/sound\n";
		3545
		3546	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3547	or die "$DATADIR/sound $!";
		3548
		3549	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3550
		3551	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3552	my $sound = $soundconf->{compat}[$_]
2290	or next;	3553	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;
2293	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}
2296	Coro::cede;
2297	}
2298		3554
		3555	my $face = cf::face::find "sound/$sound->[1]";
		3556	cf::sound::set $sound->[0] => $face;
		3557	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3558	}
		3559
		3560	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3561	my $face = cf::face::find "sound/$v";
		3562	cf::sound::set $k => $face;
		3563	}
2300	}	3564	}
2301		3565
2302	sub reload_resources {	3566	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3567	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3568
		3569	reload_exp_table;
		3570	reload_materials;
2305	load_faces	3571	reload_facedata;
2306	or die "unable to load faces\n";#d#	3572	reload_sound;
2307	}	3573	reload_archetypes;
2308
2309	sub init {
2310	reload_resources;	3574	reload_regions;
2311	}	3575	reload_treasures;
2312		3576
2313	sub cfg_load {	3577	trace "finished reloading resource files\n";
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3578	}
2315	or return;
2316		3579
2317	local $/;	3580	sub reload_config {
2318	*CFG = YAML::Syck::Load <$fh>;	3581	trace "reloading config file...\n";
2319		3582
		3583	0 < aio_load "$CONFDIR/config", my $config
		3584	or die "$CONFDIR/config: $!";
		3585
		3586	utf8::decode $config;
		3587	*CFG = yaml_load $config;
		3588
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3590
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3593
2325	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2329	};	3598	};
2330	warn $@ if $@;	3599	warn $@ if $@;
2331	}	3600	}
2332	}	3601	}
2333		3602
		3603	sub pidfile() {
		3604	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3605	or die "$PIDFILE: $!";
		3606	flock $fh, &Fcntl::LOCK_EX
		3607	or die "$PIDFILE: flock: $!";
		3608	$fh
		3609	}
		3610
		3611	# make sure only one server instance is running at any one time
		3612	sub atomic {
		3613	my $fh = pidfile;
		3614
		3615	my $pid = <$fh>;
		3616	kill 9, $pid if $pid > 0;
		3617
		3618	seek $fh, 0, 0;
		3619	print $fh $$;
		3620	}
		3621
		3622	sub main_loop {
		3623	trace "EV::loop starting\n";
		3624	if (1) {
		3625	EV::loop;
		3626	}
		3627	trace "EV::loop returned\n";
		3628	goto &main_loop unless $REALLY_UNLOOP;
		3629	}
		3630
2334	sub main {	3631	sub main {
		3632	cf::init_globals; # initialise logging
		3633
		3634	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3635	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3636	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3637	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3638
		3639	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3640
2335	# we must not ever block the main coroutine	3641	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3642	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3643	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3644	(async {
2339	Event::one_event;	3645	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3646	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3647	})->prio (Coro::PRIO_MAX);
2341	};	3648	};
2342		3649
2343	cfg_load;	3650	evthread_start IO::AIO::poll_fileno;
		3651
		3652	cf::sync_job {
		3653	cf::incloader::init ();
		3654
		3655	cf::init_anim;
		3656	cf::init_attackmess;
		3657	cf::init_dynamic;
		3658
		3659	cf::load_settings;
		3660
		3661	reload_resources;
		3662	reload_config;
2344	db_init;	3663	db_init;
		3664
		3665	cf::init_uuid;
		3666	cf::init_signals;
		3667	cf::init_skills;
		3668
		3669	cf::init_beforeplay;
		3670
		3671	atomic;
		3672
2345	load_extensions;	3673	load_extensions;
2346		3674
2347	$TICK_WATCHER->start;	3675	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3676
		3677	# no (long-running) fork's whatsoever before this point(!)
		3678	use POSIX ();
		3679	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3680
		3681	cf::_post_init 0;
		3682	};
		3683
		3684	cf::object::thawer::errors_are_fatal 0;
		3685	info "parse errors in files are no longer fatal from this point on.\n";
		3686
		3687	my $free_main; $free_main = EV::idle sub {
		3688	undef $free_main;
		3689	undef &main; # free gobs of memory :)
		3690	};
		3691
		3692	goto &main_loop;
2349	}	3693	}
2350		3694
2351	#############################################################################	3695	#############################################################################
2352	# initialisation and cleanup	3696	# initialisation and cleanup
2353		3697
2354	# install some emergency cleanup handlers	3698	# install some emergency cleanup handlers
2355	BEGIN {	3699	BEGIN {
		3700	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3701	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3702	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3703	cf::cleanup "SIG$signal";
2364	},
2365	);	3704	};
		3705	}
		3706	}
		3707
		3708	sub write_runtime_sync {
		3709	my $t0 = AE::time;
		3710
		3711	# first touch the runtime file to show we are still running:
		3712	# the fsync below can take a very very long time.
		3713
		3714	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3715
		3716	my $guard = cf::lock_acquire "write_runtime";
		3717
		3718	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3719	or return;
		3720
		3721	my $value = $cf::RUNTIME + 90 + 10;
		3722	# 10 is the runtime save interval, for a monotonic clock
		3723	# 60 allows for the watchdog to kill the server.
		3724
		3725	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3726	and return;
		3727
		3728	# always fsync - this file is important
		3729	aio_fsync $fh
		3730	and return;
		3731
		3732	# touch it again to show we are up-to-date
		3733	aio_utime $fh, undef, undef;
		3734
		3735	close $fh
		3736	or return;
		3737
		3738	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3739	and return;
		3740
		3741	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3742
2366	}	3743	1
		3744	}
		3745
		3746	our $uuid_lock;
		3747	our $uuid_skip;
		3748
		3749	sub write_uuid_sync($) {
		3750	$uuid_skip ||= $_[0];
		3751
		3752	return if $uuid_lock;
		3753	local $uuid_lock = 1;
		3754
		3755	my $uuid = "$LOCALDIR/uuid";
		3756
		3757	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3758	or return;
		3759
		3760	my $value = uuid_seq uuid_cur;
		3761
		3762	unless ($value) {
		3763	info "cowardly refusing to write zero uuid value!\n";
		3764	return;
		3765	}
		3766
		3767	my $value = uuid_str $value + $uuid_skip;
		3768	$uuid_skip = 0;
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	close $fh
		3778	or return;
		3779
		3780	aio_rename "$uuid~", $uuid
		3781	and return;
		3782
		3783	trace "uuid file written ($value).\n";
		3784
		3785	1
		3786
		3787	}
		3788
		3789	sub write_uuid($$) {
		3790	my ($skip, $sync) = @_;
		3791
		3792	$sync ? write_uuid_sync $skip
		3793	: async { write_uuid_sync $skip };
2367	}	3794	}
2368		3795
2369	sub emergency_save() {	3796	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3797	my $freeze_guard = cf::freeze_mainloop;
2371		3798
2372	warn "enter emergency perl save\n";	3799	info "emergency_perl_save: enter\n";
		3800
		3801	# this is a trade-off: we want to be very quick here, so
		3802	# save all maps without fsync, and later call a global sync
		3803	# (which in turn might be very very slow)
		3804	local $USE_FSYNC = 0;
2373		3805
2374	cf::sync_job {	3806	cf::sync_job {
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
2375	# use a peculiar iteration method to avoid tripping on perl	3809	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3810	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3811	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3812	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3813	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3814	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3815	$pl->valid or next;
		3816	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3817	$pl->save;
2383	}	3818	}
2384	warn "end emergency player save\n";	3819	info "emergency_perl_save: end player save\n";
2385		3820
2386	warn "begin emergency map save\n";	3821	cf::write_runtime_sync; # external watchdog should not bark
		3822
		3823	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3824	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3825	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3826	$map->valid or next;
2390	$map->save;	3827	$map->save;
2391	}	3828	}
2392	warn "end emergency map save\n";	3829	info "emergency_perl_save: end map save\n";
2393		3830
2394	warn "begin emergency database checkpoint\n";	3831	cf::write_runtime_sync; # external watchdog should not bark
		3832
		3833	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3834	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3835	info "emergency_perl_save: end database checkpoint\n";
		3836
		3837	info "emergency_perl_save: begin write uuid\n";
		3838	write_uuid_sync 1;
		3839	info "emergency_perl_save: end write uuid\n";
		3840
		3841	cf::write_runtime_sync; # external watchdog should not bark
		3842
		3843	trace "emergency_perl_save: syncing database to disk";
		3844	BDB::db_env_txn_checkpoint $DB_ENV;
		3845
		3846	info "emergency_perl_save: starting sync\n";
		3847	IO::AIO::aio_sync sub {
		3848	info "emergency_perl_save: finished sync\n";
		3849	};
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	trace "emergency_perl_save: flushing outstanding aio requests";
		3854	while (IO::AIO::nreqs || BDB::nreqs) {
		3855	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3856	}
		3857
		3858	cf::write_runtime_sync; # external watchdog should not bark
2397	};	3859	};
2398		3860
2399	warn "leave emergency perl save\n";	3861	info "emergency_perl_save: leave\n";
2400	}	3862	}
2401		3863
2402	sub post_cleanup {	3864	sub post_cleanup {
2403	my ($make_core) = @_;	3865	my ($make_core) = @_;
2404		3866
		3867	IO::AIO::flush;
		3868
2405	warn Carp::longmess "post_cleanup backtrace"	3869	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3870	if $make_core;
2407	}
2408		3871
		3872	my $fh = pidfile;
		3873	unlink $PIDFILE if <$fh> == $$;
		3874	}
		3875
		3876	# a safer delete_package, copied from Symbol
		3877	sub clear_package($) {
		3878	my $pkg = shift;
		3879
		3880	# expand to full symbol table name if needed
		3881	unless ($pkg =~ /^main::.*::$/) {
		3882	$pkg = "main$pkg" if $pkg =~ /^::/;
		3883	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3884	$pkg .= '::' unless $pkg =~ /::$/;
		3885	}
		3886
		3887	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3888	my $stem_symtab = *{$stem}{HASH};
		3889
		3890	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3891	or return;
		3892
		3893	# clear all symbols
		3894	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3895	for my $name (keys %$leaf_symtab) {
		3896	_gv_clear *{"$pkg$name"};
		3897	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3898	}
		3899	}
		3900
2409	sub reload() {	3901	sub do_reload_perl() {
2410	# can/must only be called in main	3902	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3903	unless (in_main) {
2412	warn "can only reload from main coroutine";	3904	error "can only reload from main coroutine";
2413	return;	3905	return;
2414	}	3906	}
2415		3907
2416	warn "reloading...";	3908	return if $RELOAD++;
2417		3909
2418	warn "entering sync_job";	3910	my $t1 = AE::time;
2419		3911
		3912	while ($RELOAD) {
		3913	cf::get_slot 0.1, -1, "reload_perl";
		3914	info "perl_reload: reloading...";
		3915
		3916	trace "perl_reload: entering sync_job";
		3917
2420	cf::sync_job {	3918	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	3919	#cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		3920
2425	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;
2427
2428	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";	3921	trace "perl_reload: cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	3922	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	3923	%EXT_CORO = ();
2449		3924
2450	warn "removing commands";	3925	trace "perl_reload: removing commands";
2451	%COMMAND = ();	3926	%COMMAND = ();
2452		3927
2453	warn "removing ext commands";	3928	trace "perl_reload: removing ext/exti commands";
2454	%EXTCMD = ();	3929	%EXTCMD = ();
		3930	%EXTICMD = ();
2455		3931
2456	warn "unloading/nuking all extensions";	3932	trace "perl_reload: unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3933	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3934	trace "... unloading $pkg";
2459		3935
2460	if (my $cb = $pkg->can ("unload")) {	3936	if (my $cb = $pkg->can ("unload")) {
2461	eval {	3937	eval {
2462	$cb->($pkg);	3938	$cb->($pkg);
2463	1	3939	1
2464	} or warn "$pkg unloaded, but with errors: $@";	3940	} or error "$pkg unloaded, but with errors: $@";
		3941	}
		3942
		3943	trace "... clearing $pkg";
		3944	clear_package $pkg;
2465	}	3945	}
2466		3946
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	3947	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	3948	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3949	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3950
2475	warn "... unloading $k";	3951	trace "... unloading $k";
2476	delete $INC{$k};	3952	delete $INC{$k};
2477		3953
2478	$k =~ s/\.pm$//;	3954	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	3955	$k =~ s/\//::/g;
2480		3956
2481	if (my $cb = $k->can ("unload_module")) {	3957	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	3958	$cb->();
		3959	}
		3960
		3961	clear_package $k;
2483	}	3962	}
2484		3963
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	3964	trace "perl_reload: getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3965	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3966	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3967
2492	warn "unloading cf.pm \"a bit\"";	3968	trace "perl_reload: unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3969	delete $INC{"cf.pm"};
		3970	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		3971
2495	# don't, removes xs symbols, too,	3972	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3973	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3974	#clear_package __PACKAGE__;
2498		3975
2499	warn "unload completed, starting to reload now";	3976	info "perl_reload: unload completed, starting to reload now";
2500		3977
2501	warn "reloading cf.pm";	3978	trace "perl_reload: reloading cf.pm";
2502	require cf;	3979	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3980	cf::_connect_to_perl_1;
2504		3981
2505	warn "loading config and database again";	3982	trace "perl_reload: loading config and database again";
2506	cf::cfg_load;	3983	cf::reload_config;
2507		3984
2508	warn "loading extensions";	3985	trace "perl_reload: loading extensions";
2509	cf::load_extensions;	3986	cf::load_extensions;
2510		3987
		3988	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	3989	trace "perl_reload: reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3990	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3991	trace "perl_reload: reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3992	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3993	trace "perl_reload: reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3994	reattach $_ for values %PLAYER;
		3995	}
2517		3996
2518	warn "loading reloadable resources";	3997	cf::_post_init 1;
2519	reload_resources;
2520		3998
2521	warn "leaving sync_job";	3999	trace "perl_reload: leaving sync_job";
2522		4000
2523	1	4001	1
2524	} or do {	4002	} or do {
2525	warn $@;	4003	error $@;
2526	warn "error while reloading, exiting.";	4004	cf::cleanup "perl_reload: error, exiting.";
2527	exit 1;	4005	};
		4006
		4007	--$RELOAD;
		4008	}
		4009
		4010	$t1 = AE::time - $t1;
		4011	info "perl_reload: completed in ${t1}s\n";
		4012	};
		4013
		4014	our $RELOAD_WATCHER; # used only during reload
		4015
		4016	sub reload_perl() {
		4017	# doing reload synchronously and two reloads happen back-to-back,
		4018	# coro crashes during coro_state_free->destroy here.
		4019
		4020	$RELOAD_WATCHER ||= cf::async {
		4021	Coro::AIO::aio_wait cache_extensions;
		4022
		4023	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4024	do_reload_perl;
		4025	undef $RELOAD_WATCHER;
		4026	};
2528	};	4027	};
2529		4028	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		4029
2535	register_command "reload" => sub {	4030	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	4031	my ($who, $arg) = @_;
2537		4032
2538	if ($who->flag (FLAG_WIZ)) {	4033	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	4034	$who->message ("reloading server.");
2540		4035	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	4036	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	4037	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	4038	};
2553	}	4039	}
2554	};	4040	};
2555		4041
2556	unshift @INC, $LIBDIR;	4042	#############################################################################
2557		4043
2558	my $bug_warning = 0;	4044	my $bug_warning = 0;
2559		4045
2560	$TICK_WATCHER = Event->timer (	4046	our @WAIT_FOR_TICK;
2561	reentrant => 0,	4047	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	4048
2563	prio => 0,	4049	sub wait_for_tick() {
2564	at => $NEXT_TICK || $TICK,	4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	4051
2566	cb => sub {	4052	my $signal = new Coro::Signal;
		4053	push @WAIT_FOR_TICK, $signal;
		4054	$signal->wait;
		4055	}
		4056
		4057	sub wait_for_tick_begin() {
		4058	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4059
		4060	my $signal = new Coro::Signal;
		4061	push @WAIT_FOR_TICK_BEGIN, $signal;
		4062	$signal->wait;
		4063	}
		4064
		4065	sub tick {
2567	if ($Coro::current != $Coro::main) {	4066	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4067	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4068	unless ++$bug_warning > 10;
2570	return;	4069	return;
2571	}	4070	}
2572		4071
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	4072	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4073
		4074	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4075
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4076	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4077	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4078	Coro::async_pool {
		4079	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4080	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4081	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4082	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	4083	}
2599	);	4084
		4085	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4086	$sig->send;
		4087	}
		4088	while (my $sig = shift @WAIT_FOR_TICK) {
		4089	$sig->send;
		4090	}
		4091
		4092	$LOAD = ($NOW - $TICK_START) / $TICK;
		4093	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4094
		4095	if (0) {
		4096	if ($NEXT_TICK) {
		4097	my $jitter = $TICK_START - $NEXT_TICK;
		4098	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4099	debug "jitter $JITTER\n";#d#
		4100	}
		4101	}
		4102	}
2600		4103
2601	{	4104	{
2602	BDB::max_poll_time $TICK * 0.1;	4105	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4106
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	4107	BDB::min_parallel 16;
2612		4108	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4109	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		4110
2628	unless ($DB_ENV) {	4111	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4112	$DB_ENV = BDB::db_env_create;
		4113	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4114	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4115	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4116	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4117	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4118
2631	cf::sync_job {	4119	cf::sync_job {
2632	eval {	4120	eval {
2633	BDB::db_env_open	4121	BDB::db_env_open
2634	$DB_ENV,	4122	$DB_ENV,
2635	$BDB_ENV_DIR,	4123	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4124	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4125	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4126	0666;
2639		4127
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4128	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	4129	};
2645		4130
2646	cf::cleanup "db_env_open(db): $@" if $@;	4131	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4132	};
2648	}	4133	}
		4134
		4135	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4136	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4137	};
		4138	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4139	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4140	};
		4141	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4142	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4143	};
2649	}	4144	}
2650		4145
2651	{	4146	{
		4147	# configure IO::AIO
		4148
2652	IO::AIO::min_parallel 8;	4149	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4150	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4151	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4152	}
		4153
		4154	my $_log_backtrace;
		4155
		4156	sub _log_backtrace {
		4157	my ($msg, @addr) = @_;
		4158
		4159	$msg =~ s/\n//;
		4160
		4161	# limit the # of concurrent backtraces
		4162	if ($_log_backtrace < 2) {
		4163	++$_log_backtrace;
		4164	my $perl_bt = Carp::longmess $msg;
		4165	async {
		4166	$Coro::current->{desc} = "abt $msg";
		4167
		4168	my @bt = fork_call {
		4169	@addr = map { sprintf "%x", $_ } @addr;
		4170	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4171	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4172	or die "addr2line: $!";
		4173
		4174	my @funcs;
		4175	my @res = <$fh>;
		4176	chomp for @res;
		4177	while (@res) {
		4178	my ($func, $line) = splice @res, 0, 2, ();
		4179	push @funcs, "[$func] $line";
		4180	}
		4181
		4182	@funcs
		4183	};
		4184
		4185	LOG llevInfo, "[ABT] $perl_bt\n";
		4186	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4187	LOG llevInfo, "[ABT] $_\n" for @bt;
		4188	--$_log_backtrace;
		4189	};
		4190	} else {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [suppressed]\n";
		4193	}
		4194	}
		4195
		4196	# load additional modules
		4197	require "cf/$_.pm" for @EXTRA_MODULES;
		4198	cf::_connect_to_perl_2;
2665		4199
2666	END { cf::emergency_save }	4200	END { cf::emergency_save }
2667		4201
2668	1	4202	1
2669		4203

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