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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
27		62
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
29		78
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		80
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		82
37	our %COMMAND = ();	83	our %COMMAND = ();
38	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
39		85
40	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
44		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	93	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
47		96
48	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	98	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
51	our $WRITE_RUNTIME_WATCHER;	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(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	121	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
55		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
58		130
59	our %CFG;	131	our %CFG;
60		132
61	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
63		136
64	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		140
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $REALLY_UNLOOP; # never set to true, please :)
		153
76	binmode STDOUT;	154	binmode STDOUT;
77	binmode STDERR;	155	binmode STDERR;
78		156
79	# read virtual server time, if available	157	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
84	}	162	}
85		163
86	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	165
88	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		168
93	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
94		170
95	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::"} };
96		187
97	#############################################################################	188	#############################################################################
98		189
99	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
100		191
…		…
107	=item $cf::RUNTIME	198	=item $cf::RUNTIME
108		199
109	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
110	every server tick.	201	every server tick.
111		202
112	=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
113		206
114	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		211
117	=item $cf::NOW	212	=item $cf::NOW
118		213
119	The time of the last (current) server tick.	214	The time of the last (current) server tick.
120		215
121	=item $cf::TICK	216	=item $cf::TICK
122		217
123	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	230	=item %cf::CFG
126		231
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	233	from wherever your confdir points to.
129		234
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		236
132	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
133	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
134	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.
135	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.
136		257
137	=back	258	=back
138		259
139	=cut	260	=cut
140		261
141	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
142	*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 {
143	my $msg = join "", @_;	269	my $msg = join "", @_;
144	utf8::encode $msg;
145		270
146	$msg .= "\n"	271	$msg .= "\n"
147	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
148		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
149	LOG llevError, $msg;	276	LOG llevWarn, $msg;
150	};	277	};
151	}	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	};
152		292
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		300
160	# 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
161	# within the Safe compartment.	302	# within the Safe compartment.
162	for my $pkg (qw(	303	for my $pkg (qw(
163	cf::global cf::attachable	304	cf::global cf::attachable
164	cf::object cf::object::player	305	cf::object cf::object::player
165	cf::client cf::player	306	cf::client cf::player
166	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
167	cf::map cf::party cf::region	309	cf::party cf::region
168	)) {	310	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	312	}
172		313
173	$Event::DIED = sub {	314	$EV::DIED = sub {
174	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
175	};	316	};
		317
		318	#############################################################################
176		319
177	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
178		321
179	=over 4	322	=over 4
180		323
…		…
199	$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;
200	$d	343	$d
201	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
202	}	345	}
203		346
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
207		348
208	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
209		350
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
218		352
219	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
220		354
221	=cut	355	=cut
222		356
223	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
225	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
226	}	386	}
227		387
228	=item cf::lock_wait $string	388	=item cf::lock_wait $string
229		389
230	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
231		391
232	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
233		393
234	Wait until the given lock is available and then acquires it and returns	394	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	395	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	396	for example when the coroutine gets canceled), the lock is automatically
237	returned.	397	returned.
238		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
239	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
241		404
242	=cut	405	=item $locked = cf::lock_active $string
243		406
244	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
245		412
246	sub lock_wait($) {	413	sub lock_wait($) {
247	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	415	}
255		416
256	sub lock_acquire($) {	417	sub lock_acquire($) {
257	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
258		420
259	# wait, to be sure we are not locked	421	sub lock_active($) {
260	lock_wait $key;	422	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	423	}
269		424
270	sub freeze_mainloop {	425	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
272		427
273	my $guard = Coro::guard {	428	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	429	}
275	$WRITE_RUNTIME_WATCHER->start;	430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
276	};	495	}
277	$WRITE_RUNTIME_WATCHER->stop;	496	};
278	$TICK_WATCHER->stop;	497
279	$guard	498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
280	}	511	}
281		512
282	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
283		514
284	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		520
290	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
291		522
292	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
293		524
294	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
297		529
298	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
301	fast or be very important.	533	fast or be very important.
…		…
303	=cut	535	=cut
304		536
305	sub sync_job(&) {	537	sub sync_job(&) {
306	my ($job) = @_;	538	my ($job) = @_;
307		539
308	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
309	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
311		545
312	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	547
314	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
315		549
316	my $busy = 1;	550	my $busy = 1;
317	my @res;	551	my @res;
318		552
319	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	555	@res = eval { $job->() };
321	warn $@ if $@;	556	error $@ if $@;
322	undef $busy;	557	undef $busy;
323	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
324		559
325	while ($busy) {	560	while ($busy) {
326	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
327	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
328		571
329	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
330	} else {	573	} else {
331	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
332		575
…		…
352	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
353		596
354	$coro	597	$coro
355	}	598	}
356		599
357	sub write_runtime {	600	=item fork_call { }, @args
358	my $runtime = cf::localdir . "/runtime";
359		601
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	602	Executes the given code block with the given arguments in a seperate
361	or return;	603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
362		606
363	my $value = $cf::RUNTIME + 90 + 10;	607	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		608
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	609	sub post_fork {
368	and return;	610	reset_signals;
		611	}
369		612
370	# always fsync - this file is important	613	sub fork_call(&@) {
371	aio_fsync $fh	614	my ($cb, @args) = @_;
372	and return;
373		615
374	close $fh	616	# we seemingly have to make a local copy of the whole thing,
375	or return;	617	# otherwise perl prematurely frees the stuff :/
		618	# TODO: investigate and fix (likely this will be rather laborious)
376		619
377	aio_rename "$runtime~", $runtime	620	my @res = Coro::Util::fork_eval {
378	and return;	621	cf::post_fork;
		622	&$cb
		623	} @args;
379		624
		625	wantarray ? @res : $res[-1]
		626	}
		627
		628	sub objinfo {
380	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
		793	}
		794
		795	=item cf::datalog type => key => value, ...
		796
		797	Log a datalog packet of the given type with the given key-value pairs.
		798
		799	=cut
		800
		801	sub datalog($@) {
		802	my ($type, %kv) = @_;
		803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	804	}
382		805
383	=back	806	=back
384		807
385	=cut	808	=cut
386		809
387	#############################################################################	810	#############################################################################
388		811
389	=head2 ATTACHABLE OBJECTS	812	=head2 ATTACHABLE OBJECTS
390		813
391	Many objects in crossfire are so-called attachable objects. That means you can	814	Many objects in deliantra are so-called attachable objects. That means you can
392	attach callbacks/event handlers (a collection of which is called an "attachment")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
394		817
395	In the following description, CLASS can be any of C<global>, C<object>	818	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	820	Deliantra).
398		821
399	=over 4	822	=over 4
400		823
401	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
402		825
…		…
446	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
447		870
448	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
450		873
451	Some classes such as crossfire maps and objects can specify attachments	874	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	875	that are attached at load/instantiate time, thus the need for a name.
453		876
454	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
455		878
456	=over 4	879	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
566		989
567	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		994
572	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	996	my $pkg = shift @arg;
574		997
575	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
580		1003
581	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		1006
584	} elsif (ref $type) {	1007	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
586		1009
587	} else {	1010	} else {
588	shift @arg;	1011	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
590	}	1013	}
591	}	1014	}
592	}	1015	}
593		1016
594	sub _object_attach {	1017	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
605	}	1028	}
606		1029
607	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
608	} else {	1031	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1033	}
611		1034
612	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
613	}	1036	}
614		1037
…		…
616	if (ref $_[0]) {	1039	if (ref $_[0]) {
617	_object_attach @_;	1040	_object_attach @_;
618	} else {	1041	} else {
619	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
620	}	1043	}
		1044	_recalc_want;
621	};	1045	};
622		1046
623	# all those should be optimised	1047	# all those should be optimised
624	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1053	reattach ($obj);
630	} else {	1054	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
632	}	1056	}
		1057	_recalc_want;
633	};	1058	};
634		1059
635	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
637		1062
…		…
652	";	1077	";
653	die if $@;	1078	die if $@;
654	}	1079	}
655		1080
656	our $override;	1081	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1083
659	sub override {	1084	sub override {
660	$override = 1;	1085	$override = 1;
661	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
662	}	1087	}
663		1088
664	sub do_invoke {	1089	sub do_invoke {
665	my $event = shift;	1090	my $event = shift;
666	my $callbacks = shift;	1091	my $callbacks = shift;
667		1092
668	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
669		1094
670	local $override;	1095	local $override;
671		1096
672	for (@$callbacks) {	1097	for (@$callbacks) {
673	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
674		1099
675	if ($@) {	1100	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1102	override;
679	}	1103	}
680		1104
681	return 1 if $override;	1105	return 1 if $override;
682	}	1106	}
683		1107
684	0	1108	0
685	}	1109	}
686		1110
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1112
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1114
691	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
692		1116
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1118	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1120
697	=back	1121	=back
698		1122
699	=cut	1123	=cut
700		1124
701	#############################################################################	1125	#############################################################################
702	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
703		1169
704	sub reattach {	1170	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1172	my ($obj) = @_;
707		1173
		1174	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1176
710	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
711		1178
712	@$registry = ();	1179	@$registry = ();
713		1180
…		…
718	for (@$attach) {	1185	for (@$attach) {
719	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
721	}	1188	}
722	} else {	1189	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1191	}
725	}	1192	}
726	}	1193	}
727		1194
728	cf::attachable->attach (	1195	cf::attachable->attach (
729	prio => -1000000,	1196	prio => -1000000,
730	on_instantiate => sub {	1197	on_instantiate => sub {
731	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
732		1199
733	$data = from_json $data;	1200	$data = decode_json $data;
734		1201
735	for (@$data) {	1202	for (@$data) {
736	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
737		1204
738	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1221	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
756		1223
757	sync_job {	1224	sync_job {
758	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
761		1230
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1234	if ($cf::USE_FSYNC) {
		1235	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1236	aio_fsync $fh;
		1237	}
766	close $fh;	1238	aio_close $fh;
767		1239
768	if (@$objs) {	1240	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1245	if ($cf::USE_FSYNC) {
		1246	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1247	aio_fsync $fh;
		1248	}
774	close $fh;	1249	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
776	}	1251	}
777	} else {	1252	} else {
778	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
779	}	1254	}
780		1255
781	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1260	} else {
783	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
784	}	1262	}
785	} else {	1263	} else {
786	aio_unlink $filename;	1264	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
788	}	1266	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1267	};
796	}	1268	}
797		1269
798	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
800		1272
…		…
805		1277
806	sub object_thawer_load {	1278	sub object_thawer_load {
807	my ($filename) = @_;	1279	my ($filename) = @_;
808		1280
809	my ($data, $av);	1281	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1282
814	(aio_load $filename, $data) >= 0	1283	(aio_load $filename, $data) >= 0
815	or return;	1284	or return;
816		1285
817	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
819	or return;	1288	or return;
		1289
820	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
821	}	1292	}
822		1293
		1294	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
825	return ($data, $av);	1299	($data, $av)
826	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
827		1307
828	#############################################################################	1308	#############################################################################
829	# command handling &c	1309	# command handling &c
830		1310
831	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1325	}
846		1326
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1328
849	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
850		1334
851	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
852	called.	1336	called.
853		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
854	=cut	1349	=cut
855		1350
856	sub register_extcmd {	1351	sub register_extcmd {
857	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
858		1353
859	$EXTCMD{$name} = $cb;	1354	$EXTCMD{$name} = $cb;
860	}	1355	}
861		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
		1364
862	cf::player->attach (	1365	cf::player->attach (
863	on_command => sub {	1366	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
865		1368
866	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
867	or return;	1370	or return;
868		1371
…		…
873	cf::override;	1376	cf::override;
874	},	1377	},
875	on_extcmd => sub {	1378	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
877		1380
878	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1382
880	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
886	} else {	1398	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1400	}
889		1401
890	cf::override;	1402	cf::override;
891	},	1403	},
892	);	1404	);
893		1405
		1406	# "readahead" all extensions
894	sub load_extension {	1407	sub cache_extensions {
895	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
896		1409
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1412	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1413	}
922	die $@;
923	}	1414	};
924		1415
925	push @EXTS, $pkg;	1416	$grp
926	}	1417	}
927		1418
928	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
929	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1426	next unless -r $path;
931	eval {	1427
932	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
933	1	1491	}
934	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
935	}	1502	};
936	}	1503	}
937		1504
938	#############################################################################	1505	#############################################################################
939		1506
		1507	=back
		1508
940	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
941		1510
942	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
943		1512
944	=cut	1513	=cut
945		1514
946	package cf::player;	1515	package cf::player;
947		1516
…		…
949		1518
950	=head3 cf::player	1519	=head3 cf::player
951		1520
952	=over 4	1521	=over 4
953		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
		1536
954	=item cf::player::find $login	1537	=item cf::player::find $login
955		1538
956	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
957		1540
958	=cut	1541	=cut
959		1542
960	sub playerdir($) {	1543	sub playerdir($) {
961	cf::localdir	1544	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1546	}
967		1547
968	sub path($) {	1548	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1550
971	(playerdir $login) . "/$login.pl"	1551	(playerdir $login) . "/playerdata"
972	}	1552	}
973		1553
974	sub find_active($) {	1554	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1555	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1556	and $cf::PLAYER{$_[0]}->active
…		…
979		1559
980	sub exists($) {	1560	sub exists($) {
981	my ($login) = @_;	1561	my ($login) = @_;
982		1562
983	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1564	or !aio_stat path $login
985	}	1565	}
986		1566
987	sub find($) {	1567	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1569	my $login = $_[0];
990		1570
991	my $guard = cf::lock_acquire "user_find:$login";	1571	my $guard = cf::lock_acquire "user_find:$login";
992		1572
993	$cf::PLAYER{$_[0]} || do {	1573	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1574	# rename old playerfiles to new ones
		1575	#TODO: remove when no longer required
		1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1579	aio_unlink +(playerdir $login) . "/$login.pl";
		1580
		1581	my $f = new_from_file cf::object::thawer path $login
995	or return;	1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1589	$cf::PLAYER{$login} = $pl
997	}	1590	}
998	}	1591	}
999	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1000		1606
1001	sub save($) {	1607	sub save($) {
1002	my ($pl) = @_;	1608	my ($pl) = @_;
1003		1609
1004	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1010		1616
1011	aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1013		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1014	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1015	Coro::cede;	1626	cf::cede_to_tick;
1016	}	1627	}
1017		1628
1018	sub new($) {	1629	sub new($) {
1019	my ($login) = @_;	1630	my ($login) = @_;
1020		1631
…		…
1026	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1027		1638
1028	$self	1639	$self
1029	}	1640	}
1030		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
1031	=item $pl->quit_character	1652	=item $pl->quit_character
1032		1653
1033	Nukes the player without looking back. If logged in, the connection will	1654	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1655	be destroyed. May block for a long time.
1035		1656
1036	=cut	1657	=cut
1037		1658
1038	sub quit_character {	1659	sub quit_character {
1039	my ($pl) = @_;	1660	my ($pl) = @_;
1040		1661
		1662	my $name = $pl->ob->name;
		1663
1041	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1666
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1047	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1048		1675
1049	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1678	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1679	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1680	$pl->destroy;
		1681
		1682	my $prefix = qr<^~\Q$name\E/>;
		1683
		1684	# nuke player maps
		1685	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1686
1054	IO::AIO::aio_rmtree $temp;	1687	IO::AIO::aio_rmtree $temp;
		1688	}
		1689
		1690	=item $pl->kick
		1691
		1692	Kicks a player out of the game. This destroys the connection.
		1693
		1694	=cut
		1695
		1696	sub kick {
		1697	my ($pl, $kicker) = @_;
		1698
		1699	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1700	$pl->killer ("kicked");
		1701	$pl->ns->destroy;
1055	}	1702	}
1056		1703
1057	=item cf::player::list_logins	1704	=item cf::player::list_logins
1058		1705
1059	Returns am arrayref of all valid playernames in the system, can take a	1706	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1707	while and may block, so not sync_job-capable, ever.
1061		1708
1062	=cut	1709	=cut
1063		1710
1064	sub list_logins {	1711	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1712	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1713	or return [];
1067		1714
1068	my @logins;	1715	my @logins;
1069		1716
1070	for my $login (@$dirs) {	1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1724	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
1074		1727
1075	utf8::decode $login;	1728	utf8::decode $login;
1076	push @logins, $login;	1729	push @logins, $login;
1077	}	1730	}
1078		1731
1079	\@logins	1732	\@logins
1080	}	1733	}
1081		1734
1082	=item $player->maps	1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
1083		1738
1084	Returns an arrayref of map paths that are private for this	1739	Returns an arrayref of map paths that are private for this
1085	player. May block.	1740	player. May block.
1086		1741
1087	=cut	1742	=cut
…		…
1105	}	1760	}
1106		1761
1107	\@paths	1762	\@paths
1108	}	1763	}
1109		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1111		1770
1112	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1113		1772
1114	=cut	1773	=cut
1115		1774
1116	sub ext_reply($$$%) {	1775	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1118		1777
1119	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1779	}
1123		1780
1124	package cf;	1781	=item $player->ext_msg ($type, @msg)
		1782
		1783	Sends an ext event to the client.
		1784
		1785	=cut
		1786
		1787	sub ext_msg($$@) {
		1788	my ($self, $type, @msg) = @_;
		1789
		1790	$self->ns->ext_msg ($type, @msg);
		1791	}
		1792
		1793	=head3 cf::region
		1794
		1795	=over 4
		1796
		1797	=cut
		1798
		1799	package cf::region;
		1800
		1801	=item cf::region::find_by_path $path
		1802
		1803	Tries to decuce the likely region for a map knowing only its path.
		1804
		1805	=cut
		1806
		1807	sub find_by_path($) {
		1808	my ($path) = @_;
		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
		1812	my ($match, $specificity);
		1813
		1814	for my $region (list) {
		1815	if ($region->{match} && $path =~ $region->{match}) {
		1816	($match, $specificity) = ($region, $region->specificity)
		1817	if $region->specificity > $specificity;
		1818	}
		1819	}
		1820
		1821	$match
		1822	}
1125		1823
1126	=back	1824	=back
1127
1128		1825
1129	=head3 cf::map	1826	=head3 cf::map
1130		1827
1131	=over 4	1828	=over 4
1132		1829
…		…
1144	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1146		1843
1147	sub generate_random_map {	1844	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1848
1149	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1850	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1172		1872
1173	sub register {	1873	sub register {
1174	my (undef, $regex, $prio) = @_;	1874	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	1875	my $pkg = caller;
1176		1876
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	1877	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		1878
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	1880	}
1182		1881
1183	# also paths starting with '/'	1882	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		1884
1186	sub thawer_merge {	1885	sub thawer_merge {
1187	my ($self, $merge) = @_;	1886	my ($self, $merge) = @_;
1188		1887
1189	# we have to keep some variables in memory intact	1888	# we have to keep some variables in memory intact
1190	local $self->{path};	1889	local $self->{path};
1191	local $self->{load_path};	1890	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1891
1195	$self->SUPER::thawer_merge ($merge);	1892	$self->SUPER::thawer_merge ($merge);
1196	}	1893	}
1197		1894
1198	sub normalise {	1895	sub normalise {
1199	my ($path, $base) = @_;	1896	my ($path, $base) = @_;
1200		1897
1201	$path = "$path"; # make sure its a string	1898	$path = "$path"; # make sure it's a string
1202		1899
1203	$path =~ s/\.map$//;	1900	$path =~ s/\.map$//;
1204		1901
1205	# map plan:	1902	# map plan:
1206	#	1903	#
…		…
1245	$self->init; # pass $1 etc.	1942	$self->init; # pass $1 etc.
1246	return $self;	1943	return $self;
1247	}	1944	}
1248	}	1945	}
1249		1946
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	1948	()
1252	}	1949	}
1253		1950
1254	sub init {	1951	sub init {
1255	my ($self) = @_;	1952	my ($self) = @_;
…		…
1270		1967
1271	# the original (read-only) location	1968	# the original (read-only) location
1272	sub load_path {	1969	sub load_path {
1273	my ($self) = @_;	1970	my ($self) = @_;
1274		1971
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1972	"$MAPDIR/$self->{path}.map"
1276	}	1973	}
1277		1974
1278	# the temporary/swap location	1975	# the temporary/swap location
1279	sub save_path {	1976	sub save_path {
1280	my ($self) = @_;	1977	my ($self) = @_;
1281		1978
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1980	"$TMPDIR/$path.map"
1284	}	1981	}
1285		1982
1286	# the unique path, undef == no special unique path	1983	# the unique path, undef == no special unique path
1287	sub uniq_path {	1984	sub uniq_path {
1288	my ($self) = @_;	1985	my ($self) = @_;
1289		1986
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1988	"$UNIQUEDIR/$path"
1292	}	1989	}
1293		1990
1294	# and all this just because we cannot iterate over	1991	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	1992	my ($self) = @_;
1298		1993
1299	$_->change_map_light ($change)	1994	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	1995
		1996	$self->do_decay_objects;
1301	}	1997	}
1302		1998
1303	sub unlink_save {	1999	sub unlink_save {
1304	my ($self) = @_;	2000	my ($self) = @_;
1305		2001
1306	utf8::encode (my $save = $self->save_path);	2002	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2003	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2004	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	2005	}
1315		2006
1316	sub load_header_from($) {	2007	sub load_header_from($) {
1317	my ($self, $path) = @_;	2008	my ($self, $path) = @_;
1318		2009
1319	utf8::encode $path;	2010	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2012	or return;
		2013
		2014	$self->_load_header ($f)
		2015	or return;
		2016
		2017	local $MAP_LOADING{$self->{path}} = $self;
		2018	$f->resolve_delayed_derefs;
1325		2019
1326	$self->{load_path} = $path;	2020	$self->{load_path} = $path;
1327		2021
1328	1	2022	1
1329	}	2023	}
…		…
1368	$self->load_header_orig	2062	$self->load_header_orig
1369	or return;	2063	or return;
1370	$self->prepare_orig;	2064	$self->prepare_orig;
1371	}	2065	}
1372		2066
		2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
		2069
		2070	$self->default_region (cf::region::find_by_path $self->{path})
		2071	unless $self->default_region;
		2072
1373	1	2073	1
1374	}	2074	}
1375		2075
1376	sub find;	2076	sub find;
1377	sub find {	2077	sub find {
1378	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1379		2079
		2080	cf::cede_to_tick;
		2081
1380	$path = normalise $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1381		2083
		2084	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2086
1384	$cf::MAP{$path} || do {	2087	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2088	my $map = new_from_path cf::map $path
1387	or return;	2089	or return;
1388		2090
1389	$map->{last_save} = $cf::RUNTIME;	2091	$map->{last_save} = $cf::RUNTIME;
1390		2092
1391	$map->load_header	2093	$map->load_header
1392	or return;	2094	or return;
1393		2095
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2097	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1397	$map->reset;	2101	$map->reset;
1398	undef $guard;
1399	return find $path;	2102	return find $path;
1400	}	2103	}
1401		2104
1402	$cf::MAP{$path} = $map	2105	$cf::MAP{$path} = $map
1403	}	2106	}
1404	}	2107	}
1405		2108
1406	sub pre_load { }	2109	sub pre_load { }
1407	sub post_load { }	2110	#sub post_load { } # XS
1408		2111
1409	sub load {	2112	sub load {
1410	my ($self) = @_;	2113	my ($self) = @_;
1411		2114
1412	local $self->{deny_reset} = 1; # loading can take a long time	2115	local $self->{deny_reset} = 1; # loading can take a long time
1413		2116
1414	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2120	my $guard = cf::lock_acquire "map_data:$path";
1416		2121
		2122	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2124
1419	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1420		2126
1421	$self->alloc;	2127	$self->alloc;
1422		2128
1423	$self->pre_load;	2129	$self->pre_load;
		2130	cf::cede_to_tick;
1424		2131
1425	$self->_load_objects ($self->{load_path}, 1)	2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
		2134	$self->_load_objects ($f)
1426	or return;	2135	or return;
1427		2136
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1429	if delete $self->{load_original};	2138	if delete $self->{load_original};
1430		2139
1431	if (my $uniq = $self->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2141	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2144	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1436	}	2148	}
1437	}	2149	}
1438		2150
1439	Coro::cede;	2151	$f->resolve_delayed_derefs;
1440		2152
		2153	cf::cede_to_tick;
1441	# now do the right thing for maps	2154	# now do the right thing for maps
1442	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2156	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2157	unless $self->difficulty;
1452	Coro::cede;	2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1453	$self->activate;	2165	$self->activate;
		2166	}
		2167
		2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
		2170
		2171	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2172	}
1455		2173
1456	$self->post_load;	2174	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2175	}
1460		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2180	sub customise_for {
1462	my ($self, $ob) = @_;	2181	my ($self, $ob) = @_;
1463		2182
1464	return find "~" . $ob->name . "/" . $self->{path}	2183	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2184	if $self->per_player;
1466		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
1467	$self	2189	$self
1468	}	2190	}
1469		2191
1470	# find and load all maps in the 3x3 area around a map	2192	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2193	sub load_neighbours {
1472	my ($map) = @_;	2194	my ($map) = @_;
1473		2195
1474	my @diag; # diagonal neighbours	2196	my @neigh; # diagonal neighbours
1475		2197
1476	for (0 .. 3) {	2198	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2199	my $neigh = $map->tile_path ($_)
1478	or next;	2200	or next;
1479	$neigh = find $neigh, $map	2201	$neigh = find $neigh, $map
1480	or next;	2202	or next;
1481	$neigh->load;	2203	$neigh->load;
1482		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2209	}
1486		2210
1487	for (@diag) {	2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2213	my $neigh = find $path, $origin
1489	or next;	2214	or next;
1490	$neigh->load;	2215	$neigh->load;
1491	}	2216	}
1492	}	2217	}
1493		2218
1494	sub find_sync {	2219	sub find_sync {
1495	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1496		2221
1497	cf::sync_job { find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1498	}	2226	}
1499		2227
1500	sub do_load_sync {	2228	sub do_load_sync {
1501	my ($map) = @_;	2229	my ($map) = @_;
1502		2230
1503	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
1504	}	2235	}
1505		2236
1506	our %MAP_PREFETCH;	2237	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2238	our $MAP_PREFETCHER = undef;
1508		2239
1509	sub find_async {	2240	sub find_async {
1510	my ($path, $origin) = @_;	2241	my ($path, $origin, $load) = @_;
1511		2242
1512	$path = normalise $path, $origin && $origin->{path};	2243	$path = normalise $path, $origin && $origin->{path};
1513		2244
1514	if (my $map = $cf::MAP{$path}) {	2245	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2247	}
1517		2248
1518	undef $MAP_PREFETCH{$path};	2249	$MAP_PREFETCH{$path} |= $load;
		2250
1519	$MAP_PREFETCHER ||= cf::async {	2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
1520	while (%MAP_PREFETCH) {	2254	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2255	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2256	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2257	$map->load if $v;
		2258	}
1525		2259
1526	delete $MAP_PREFETCH{$path};	2260	delete $MAP_PREFETCH{$k};
1527	}	2261	}
1528	}	2262	}
1529	undef $MAP_PREFETCHER;	2263	undef $MAP_PREFETCHER;
1530	};	2264	};
1531	$MAP_PREFETCHER->prio (6);	2265	$MAP_PREFETCHER->prio (6);
1532		2266
1533	()	2267	()
1534	}	2268	}
1535		2269
		2270	# common code, used by both ->save and ->swapout
1536	sub save {	2271	sub _save {
1537	my ($self) = @_;	2272	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2273
1541	$self->{last_save} = $cf::RUNTIME;	2274	$self->{last_save} = $cf::RUNTIME;
1542		2275
1543	return unless $self->dirty;	2276	return unless $self->dirty;
1544		2277
…		…
1550	return if $self->{deny_save};	2283	return if $self->{deny_save};
1551		2284
1552	local $self->{last_access} = $self->last_access;#d#	2285	local $self->{last_access} = $self->last_access;#d#
1553		2286
1554	cf::async {	2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2289	$_->contr->save for $self->players;
1556	};	2290	};
		2291
		2292	cf::get_slot 0.02;
1557		2293
1558	if ($uniq) {	2294	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2297	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2299	}
1564	}	2300	}
1565		2301
		2302	sub save {
		2303	my ($self) = @_;
		2304
		2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2306
		2307	$self->_save;
		2308	}
		2309
1566	sub swap_out {	2310	sub swap_out {
1567	my ($self) = @_;	2311	my ($self) = @_;
1568		2312
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1574	return if $self->players;	2317	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1578	$self->clear;	2328	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2329	}
1581		2330
1582	sub reset_at {	2331	sub reset_at {
1583	my ($self) = @_;	2332	my ($self) = @_;
1584		2333
1585	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1588		2336
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2339
…		…
1602	my ($self) = @_;	2350	my ($self) = @_;
1603		2351
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2353
1606	return if $self->players;	2354	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2355
1609	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
		2357
		2358	$self->in_memory (cf::MAP_SWAPPED);
		2359
		2360	# need to save uniques path
		2361	unless ($self->{deny_save}) {
		2362	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2363
		2364	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2365	if $uniq;
		2366	}
1610		2367
1611	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1612		2369
1613	$self->in_memory (cf::MAP_SWAPPED);	2370	$self->deactivate;
		2371	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2372	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2373
1618	$self->unlink_save;	2374	$self->unlink_save;
1619	$self->destroy;	2375	$self->destroy;
1620	}	2376	}
1621		2377
1622	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1623		2379
1624	sub nuke {	2380	sub nuke {
1625	my ($self) = @_;	2381	my ($self) = @_;
1626		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
1627	delete $cf::MAP{$self->path};	2386	delete $cf::MAP{$self->path};
1628		2387
1629	$self->unlink_save;	2388	$self->unlink_save;
1630		2389
1631	bless $self, "cf::map";	2390	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2391	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2395
1637	$cf::MAP{$self->path} = $self;	2396	$cf::MAP{$self->path} = $self;
		2397	}
1638		2398
1639	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
		2400	}
		2401
		2402	=item $maps = cf::map::tmp_maps
		2403
		2404	Returns an arrayref with all map paths of currently instantiated and saved
		2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
		2410	[
		2411	map {
		2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
		2418	}
		2419
		2420	=item $maps = cf::map::random_maps
		2421
		2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
		2424
		2425	=cut
		2426
		2427	sub random_maps() {
		2428	[
		2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
1640	}	2436	}
1641		2437
1642	=item cf::map::unique_maps	2438	=item cf::map::unique_maps
1643		2439
1644	Returns an arrayref of paths of all shared maps that have	2440	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2441	instantiated unique items. May block.
1646		2442
1647	=cut	2443	=cut
1648		2444
1649	sub unique_maps() {	2445	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2446	[
1651	or return;	2447	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2448	utf8::decode $_;
1657	next if /\.pst$/;	2449	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2451	? ()
1660	push @paths, cf::map::normalise $_;	2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2454	]
1662
1663	\@paths
1664	}	2455	}
1665		2456
1666	package cf;	2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
		2484	}
		2485
		2486	\@maps
		2487	}
1667		2488
1668	=back	2489	=back
1669		2490
1670	=head3 cf::object	2491	=head3 cf::object
1671		2492
…		…
1675		2496
1676	=over 4	2497	=over 4
1677		2498
1678	=item $ob->inv_recursive	2499	=item $ob->inv_recursive
1679		2500
1680	Returns the inventory of the object _and_ their inventories, recursively.	2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
1681		2503
1682	=cut	2504	=cut
1683		2505
1684	sub inv_recursive_;	2506	sub inv_recursive_;
1685	sub inv_recursive_ {	2507	sub inv_recursive_ {
…		…
1688		2510
1689	sub inv_recursive {	2511	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2512	inv_recursive_ inv $_[0]
1691	}	2513	}
1692		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
		2541	}
		2542
1693	package cf;	2543	package cf;
1694		2544
1695	=back	2545	=back
1696		2546
1697	=head3 cf::object::player	2547	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2554	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1706		2556
1707	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1708		2572
1709	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2574	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1714		2578
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2580
1717	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1719	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1722	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1723	}	2606	}
1724		2607
1725	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1726		2609
1727	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1740		2623
1741	=item $player_object->enter_link	2624	=item $player_object->enter_link
1742		2625
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2627
1745	The player should be reasonably safe there for short amounts of time. You	2628	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
1747		2632
1748	Will never block.	2633	Will never block.
1749		2634
1750	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1751		2636
…		…
1771	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2657	my ($self) = @_;
1773		2658
1774	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1775		2660
		2661	++$self->{_link_recursion};
		2662
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2664
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1780		2667
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2669	}
1783		2670
1784	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1786		2675
1787	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1788		2677
1789	unless ($map) {	2678	unless ($map) {
1790	# restore original map position	2679	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1803		2692
1804	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1807		2696
1808	$map->load;	2697	$map->load;
1809	$map->load_diag;	2698	$map->load_neighbours;
1810		2699
1811	return unless $self->contr->active;	2700	return unless $self->contr->active;
		2701
		2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2703	if ($self->enter_map ($map, $x, $y)) {
		2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2707	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2708	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2709
1830	# try to abort aborted map switching on player login :)	2710	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2711
1848	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1850	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1851		2726
1852	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2738
1855	$self->enter_link;	2739	$self->enter_link;
1856		2740
1857	(async {	2741	(async {
		2742	$Coro::current->{desc} = "player::goto $path $x $y";
		2743
		2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
1858	my $map = eval {	2763	my $map = eval {
1859	my $map = cf::map::find $path;	2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
		2769	} else {
		2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
		2772
1861	$map	2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2779	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1866	})->prio (1);	2787	})->prio (1);
1867	}	2788	}
1868		2789
1869	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1870		2791
…		…
1890	}	2811	}
1891		2812
1892	sub prepare_random_map {	2813	sub prepare_random_map {
1893	my ($exit) = @_;	2814	my ($exit) = @_;
1894		2815
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2816	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2817	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2818	# that depends on the exit object
1900		2819
1901	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2822	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2823	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1908	}	2829	}
1909		2830
1910	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1911		2832
1912	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2835	my $meta = "$RANDOMDIR/$md5.meta";
1915		2836
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2839	undef $fh;
1919	aio_rename "$meta~", $meta;	2840	aio_rename "$meta~", $meta;
1920		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
1923	}	2848	}
1924	}	2849	}
1925		2850
1926	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
1928		2853
1929	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
1930		2855
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2856	$self->enter_link;
1941		2857
1942	(async {	2858	(async {
1943	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
1944	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
		2868	prepare_random_map $exit
		2869	if $exit->slaying eq "/!";
		2870	}
		2871
		2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
		2875
1945	$self->goto ($slaying, $hp, $sp);	2876	$self->goto ($map, $x, $y);
1946		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
1947	1;	2882	1
1948	}) {	2883	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2886	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2888
1954	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2890	$self->leave_link;
1956	}	2891	}
1957	})->prio (1);	2892	})->prio (1);
1958	}	2893	}
1959		2894
…		…
1970		2905
1971	sub cf::client::send_drawinfo {	2906	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2907	my ($self, $text, $flags) = @_;
1973		2908
1974	utf8::encode $text;	2909	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2911	}
1977		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
		3100	=item $client->ext_msg ($type, @msg)
		3101
		3102	Sends an ext event to the client.
		3103
		3104	=cut
		3105
		3106	sub cf::client::ext_msg($$@) {
		3107	my ($self, $type, @msg) = @_;
		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
		3112	push @msg, msgtype => "event_$type";
		3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
1978		3134
1979	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
1980		3136
1981	Queues a query to the client, calling the given callback with	3137	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3138	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3140
1985	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3142	become reliable at some point in the future.
1987		3143
1988	=cut	3144	=cut
1989		3145
1990	sub cf::client::query {	3146	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3155	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3157
2002	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
2004	}	3162	}
2005		3163
2006	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
2007	on_reply => sub {	3170	on_reply => sub {
2008	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
2009		3172
2010	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
2011	# get handled first	3174	# get handled first
…		…
2023	} else {	3186	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3188	}
2026	}	3189	}
2027	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
2028	);	3217	);
2029		3218
2030	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
2031		3220
2032	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3237
2049	$coro	3238	$coro
2050	}	3239	}
2051		3240
2052	cf::client->attach (	3241	cf::client->attach (
2053	on_destroy => sub {	3242	on_client_destroy => sub {
2054	my ($ns) = @_;	3243	my ($ns) = @_;
2055		3244
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3246	},
2058	);	3247	);
…		…
2073	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
2075		3264
2076	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
2077		3266
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
2079		3272
2080	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
2081		3274
2082	=pod	3275	=pod
2083		3276
2084	The following fucntions and emthods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
2085		3278
2086	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
2087	cf::object::player player	3284	cf::object::player
2088	cf::player peaceful	3285	player
2089	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
2090		3292
2091	=cut	3293	=cut
2092		3294
2093	for (	3295	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
2098	) {	3302	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3305	for @funs;
2103	}	3306	}
2104		3307
…		…
2119		3322
2120	my $qcode = $code;	3323	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
2123		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
2124	local $_;	3330	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3331
2127	my $eval =	3332	my $eval =
2128	"do {\n"	3333	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3336	. $code
2132	. "\n}"	3337	. "\n}"
2133	;	3338	;
2134		3339
		3340	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
2138		3349
2139	if ($@) {	3350	if ($@) {
2140	warn "$@";	3351	warn "$@",
2141	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
2143	}	3354	}
2144		3355
2145	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
2146	}	3357	}
2147		3358
…		…
2161	=cut	3372	=cut
2162		3373
2163	sub register_script_function {	3374	sub register_script_function {
2164	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
2165		3376
2166	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
2168	}	3379	}
2169		3380
2170	=back	3381	=back
2171		3382
2172	=cut	3383	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3384
2282	#############################################################################	3385	#############################################################################
2283	# the server's init and main functions	3386	# the server's init and main functions
2284		3387
		3388	sub load_facedata($) {
		3389	my ($path) = @_;
		3390
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3396
		3397	trace "loading facedata from $path\n";
		3398
		3399	0 < aio_load $path, my $facedata
		3400	or die "$path: $!";
		3401
		3402	$facedata = Coro::Storable::thaw $facedata;
		3403
		3404	$facedata->{version} == 2
		3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3406
		3407	# patch in the exptable
		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3409	$facedata->{resource}{"res/exp_table"} = {
		3410	type => FT_RSRC,
		3411	data => $exp_table,
		3412	hash => (Digest::MD5::md5 $exp_table),
		3413	};
		3414	cf::cede_to_tick;
		3415
		3416	{
		3417	my $faces = $facedata->{faceinfo};
		3418
		3419	while (my ($face, $info) = each %$faces) {
		3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3421
		3422	cf::face::set_visibility $idx, $info->{visibility};
		3423	cf::face::set_magicmap $idx, $info->{magicmap};
		3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3426
		3427	cf::cede_to_tick;
		3428	}
		3429
		3430	while (my ($face, $info) = each %$faces) {
		3431	next unless $info->{smooth};
		3432
		3433	my $idx = cf::face::find $face
		3434	or next;
		3435
		3436	if (my $smooth = cf::face::find $info->{smooth}) {
		3437	cf::face::set_smooth $idx, $smooth;
		3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3439	} else {
		3440	error "smooth face '$info->{smooth}' not found for face '$face'";
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	{
		3448	my $anims = $facedata->{animinfo};
		3449
		3450	while (my ($anim, $info) = each %$anims) {
		3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3452	cf::cede_to_tick;
		3453	}
		3454
		3455	cf::anim::invalidate_all; # d'oh
		3456	}
		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
		3477	1
		3478	}
		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
2285	sub load_resources {	3488	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
		3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
		3503	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3504	or die "unable to load regions file\n";
2288	}
2289		3505
2290	sub cfg_load {	3506	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3507	$_->{match} = qr/$_->{match}/
2292	or return;	3508	if exists $_->{match};
		3509	}
		3510	}
2293		3511
2294	local $/;	3512	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3513	load_facedata "$DATADIR/facedata"
		3514	or die "unable to load facedata\n";
		3515	}
2296		3516
		3517	sub reload_archetypes {
		3518	load_resource_file "$DATADIR/archetypes"
		3519	or die "unable to load archetypes\n";
		3520	}
		3521
		3522	sub reload_treasures {
		3523	load_resource_file "$DATADIR/treasures"
		3524	or die "unable to load treasurelists\n";
		3525	}
		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
		3550	sub reload_resources {
		3551	trace "reloading resource files...\n";
		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
		3558	reload_regions;
		3559	reload_treasures;
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub reload_config {
		3565	trace "reloading config file...\n";
		3566
		3567	0 < aio_load "$CONFDIR/config", my $config
		3568	or die "$CONFDIR/config: $!";
		3569
		3570	utf8::decode $config;
		3571	*CFG = yaml_load $config;
		3572
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3574
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3577
2302	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2306	};	3582	};
2307	warn $@ if $@;	3583	warn $@ if $@;
2308	}	3584	}
2309	}	3585	}
2310		3586
2311	sub init {	3587	sub pidfile() {
2312	load_resources;	3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3613	}
2314		3614
2315	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2316	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3628	(async {
2320	Event::one_event;	3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3631	})->prio (Coro::PRIO_MAX);
2322	};	3632	};
2323		3633
2324	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
		3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2326	load_extensions;	3657	load_extensions;
2327		3658
2328	$TICK_WATCHER->start;	3659	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2330	}	3677	}
2331		3678
2332	#############################################################################	3679	#############################################################################
2333	# initialisation and cleanup	3680	# initialisation and cleanup
2334		3681
2335	# install some emergency cleanup handlers	3682	# install some emergency cleanup handlers
2336	BEGIN {	3683	BEGIN {
		3684	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3685	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3687	cf::cleanup "SIG$signal";
2345	},
2346	);	3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
2347	}	3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
2348	}	3778	}
2349		3779
2350	sub emergency_save() {	3780	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3781	my $freeze_guard = cf::freeze_mainloop;
2352		3782
2353	warn "enter emergency perl save\n";	3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
2354		3789
2355	cf::sync_job {	3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
2356	# use a peculiar iteration method to avoid tripping on perl	3793	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3794	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3795	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3796	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3797	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3798	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3801	$pl->save;
2364	}	3802	}
2365	warn "end emergency player save\n";	3803	info "emergency_perl_save: end player save\n";
2366		3804
2367	warn "begin emergency map save\n";	3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3808	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3809	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3810	$map->valid or next;
2371	$map->save;	3811	$map->save;
2372	}	3812	}
2373	warn "end emergency map save\n";	3813	info "emergency_perl_save: end map save\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
2374	};	3843	};
2375		3844
2376	warn "leave emergency perl save\n";	3845	info "emergency_perl_save: leave\n";
2377	}	3846	}
2378		3847
		3848	sub post_cleanup {
		3849	my ($make_core) = @_;
		3850
		3851	IO::AIO::flush;
		3852
		3853	error Carp::longmess "post_cleanup backtrace"
		3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
		3883	}
		3884
2379	sub reload() {	3885	sub do_reload_perl() {
2380	# can/must only be called in main	3886	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2382	warn "can only reload from main coroutine";	3888	error "can only reload from main coroutine";
2383	return;	3889	return;
2384	}	3890	}
2385		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2386	warn "reloading...";	3898	info "reloading...";
2387		3899
2388	warn "cancelling server ticker";	3900	trace "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3901
		3902	cf::sync_job {
2391	cf::emergency_save;	3903	#cf::emergency_save;
2392		3904
2393	eval {
2394	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";
2405	for (;;) {
2406	IO::AIO::flush;
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";	3905	trace "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3907	%EXT_CORO = ();
2415		3908
2416	warn "removing commands";	3909	trace "removing commands";
2417	%COMMAND = ();	3910	%COMMAND = ();
2418		3911
2419	warn "removing ext commands";	3912	trace "removing ext/exti commands";
2420	%EXTCMD = ();	3913	%EXTCMD = ();
		3914	%EXTICMD = ();
2421		3915
2422	warn "unloading/nuking all extensions";	3916	trace "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3917	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3918	trace "... unloading $pkg";
2425		3919
2426	if (my $cb = $pkg->can ("unload")) {	3920	if (my $cb = $pkg->can ("unload")) {
2427	eval {	3921	eval {
2428	$cb->($pkg);	3922	$cb->($pkg);
2429	1	3923	1
2430	} or warn "$pkg unloaded, but with errors: $@";	3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2431	}	3929	}
2432		3930
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	3931	trace "unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	3932	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3934
2441	warn "... unloading $k";	3935	trace "... unloading $k";
2442	delete $INC{$k};	3936	delete $INC{$k};
2443		3937
2444	$k =~ s/\.pm$//;	3938	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	3939	$k =~ s/\//::/g;
2446		3940
2447	if (my $cb = $k->can ("unload_module")) {	3941	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2449	}	3946	}
2450		3947
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	3948	trace "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3951
2458	warn "unloading cf.pm \"a bit\"";	3952	trace "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		3955
2461	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3957	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2464		3959
2465	warn "unload completed, starting to reload now";	3960	info "unload completed, starting to reload now";
2466		3961
2467	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2468	require cf;	3963	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2470		3965
2471	warn "loading config and database again";	3966	trace "loading config and database again";
2472	cf::cfg_load;	3967	cf::reload_config;
2473	cf::db_load;
2474		3968
2475	warn "loading extensions";	3969	trace "loading extensions";
2476	cf::load_extensions;	3970	cf::load_extensions;
2477		3971
		3972	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	3973	trace "reattaching attachments to objects/players";
2479	_global_reattach;	3974	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3975	trace "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
		3977	trace "reattaching attachments to players";
		3978	reattach $_ for values %PLAYER;
		3979	}
2482		3980
2483	warn "loading reloadable resources";	3981	trace "running post_init jobs";
2484	load_resources;	3982	(pop @POST_INIT)->(1) while @POST_INIT;
2485		3983
2486	warn "restarting server ticker";	3984	trace "leaving sync_job";
2487		3985
2488	$TICK_WATCHER->start;	3986	1
		3987	} or do {
		3988	error $@;
		3989	cf::cleanup "error while reloading, exiting.";
		3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
		3994	}
		3995
		3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
		3998	};
		3999
		4000	our $RELOAD_WATCHER; # used only during reload
		4001
		4002	sub reload_perl() {
		4003	# doing reload synchronously and two reloads happen back-to-back,
		4004	# coro crashes during coro_state_free->destroy here.
		4005
		4006	$RELOAD_WATCHER ||= cf::async {
		4007	Coro::AIO::aio_wait cache_extensions;
		4008
		4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4010	do_reload_perl;
		4011	undef $RELOAD_WATCHER;
		4012	};
2489	};	4013	};
2490		4014	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4015
2502	register_command "reload" => sub {	4016	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2504		4018
2505	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4020	$who->message ("reloading server.");
2507		4021	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4022	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	4023	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4024	};
2520	}	4025	}
2521	};	4026	};
2522		4027
2523	unshift @INC, $LIBDIR;	4028	#############################################################################
2524		4029
2525	my $bug_warning = 0;	4030	my $bug_warning = 0;
2526		4031
2527	$TICK_WATCHER = Event->timer (	4032	our @WAIT_FOR_TICK;
2528	reentrant => 0,	4033	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	4034
2530	prio => 0,	4035	sub wait_for_tick() {
2531	at => $NEXT_TICK || $TICK,	4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	4037
2533	cb => sub {	4038	my $signal = new Coro::Signal;
		4039	push @WAIT_FOR_TICK, $signal;
		4040	$signal->wait;
		4041	}
		4042
		4043	sub wait_for_tick_begin() {
		4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4045
		4046	my $signal = new Coro::Signal;
		4047	push @WAIT_FOR_TICK_BEGIN, $signal;
		4048	$signal->wait;
		4049	}
		4050
		4051	sub tick {
2534	if ($Coro::current != $Coro::main) {	4052	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4054	unless ++$bug_warning > 10;
2537	return;	4055	return;
2538	}	4056	}
2539		4057
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		4059
2546	$WAIT_FOR_TICK->broadcast;	4060	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4061
2549	Event::sweep;	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2550	Coro::cede_notself;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4064	Coro::async_pool {
		4065	$Coro::current->{desc} = "runtime saver";
		4066	write_runtime_sync
		4067	or error "ERROR: unable to write runtime file: $!";
		4068	};
		4069	}
		4070
		4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4072	$sig->send;
		4073	}
		4074	while (my $sig = shift @WAIT_FOR_TICK) {
		4075	$sig->send;
		4076	}
		4077
		4078	$LOAD = ($NOW - $TICK_START) / $TICK;
		4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4080
		4081	if (0) {
		4082	if ($NEXT_TICK) {
		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
2551		4086	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4087	}
2561	);	4088	}
2562		4089
2563	{	4090	{
2564	BDB::max_poll_time $TICK * 0.1;	4091	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4092
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4093	BDB::min_parallel 16;
2574		4094	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4095	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4096
2590	unless ($DB_ENV) {	4097	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4104
2593	cf::sync_job {	4105	cf::sync_job {
		4106	eval {
2594	BDB::db_env_open	4107	BDB::db_env_open
2595	$DB_ENV,	4108	$DB_ENV,
2596	$BDB_ENV_DIR,	4109	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4112	0666;
2600		4113
2601	cf::cleanup "$!" if $!;	4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4115	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4116
2604	$DB_ENV->set_lk_detect;	4117	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4118	};
2606	}	4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
2607	}	4130	}
2608		4131
2609	{	4132	{
		4133	# configure IO::AIO
		4134
2610	IO::AIO::min_parallel 8;	4135	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4136	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4137	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	4138	}
2623		4139
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4140	my $_log_backtrace;
2625	reentrant => 0,	4141
2626	data => WF_AUTOCANCEL,	4142	sub _log_backtrace {
2627	after => 1,	4143	my ($msg, @addr) = @_;
2628	interval => 10,	4144
2629	prio => 6, # keep it lowest so it acts like a watchdog	4145	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	4146
2631	write_runtime	4147	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	4148	if ($_log_backtrace < 2) {
		4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
		4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
		4154	my @bt = fork_call {
		4155	@addr = map { sprintf "%x", $_ } @addr;
		4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4158	or die "addr2line: $!";
		4159
		4160	my @funcs;
		4161	my @res = <$fh>;
		4162	chomp for @res;
		4163	while (@res) {
		4164	my ($func, $line) = splice @res, 0, 2, ();
		4165	push @funcs, "[$func] $line";
		4166	}
		4167
		4168	@funcs
		4169	};
		4170
		4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4173	LOG llevInfo, "[ABT] $_\n" for @bt;
		4174	--$_log_backtrace;
		4175	};
		4176	} else {
		4177	LOG llevInfo, "[ABT] $msg\n";
		4178	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	4179	}
2634	);	4180	}
		4181
		4182	# load additional modules
		4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
2635		4185
2636	END { cf::emergency_save }	4186	END { cf::emergency_save }
2637		4187
2638	1	4188	1
2639		4189

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