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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 1.559 by root, Sat Feb 26 12:50:27 2011 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
50	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
51	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	123	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
55		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
58		132
59	our %CFG;	133	our %CFG;
60		134
61	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
63		138
64	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	141	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		142
73	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
76	binmode STDOUT;	156	binmode STDOUT;
77	binmode STDERR;	157	binmode STDERR;
78		158
79	# read virtual server time, if available	159	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
84	}	164	}
85		165
86	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	167
88	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		170
93	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
94		172
95	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
96		189
97	#############################################################################	190	#############################################################################
98		191
99	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
100		193
…		…
107	=item $cf::RUNTIME	200	=item $cf::RUNTIME
108		201
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	203	every server tick.
111		204
112	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		208
114	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
116		213
117	=item $cf::NOW	214	=item $cf::NOW
118		215
119	The time of the last (current) server tick.	216	The time of the last (current) server tick.
120		217
121	=item $cf::TICK	218	=item $cf::TICK
122		219
123	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
124		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
125	=item %cf::CFG	232	=item %cf::CFG
126		233
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	235	from wherever your confdir points to.
129		236
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		238
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	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	240	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	241	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.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
136		259
137	=back	260	=back
138		261
139	=cut	262	=cut
140		263
141	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
142	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
143	my $msg = join "", @_;	271	my $msg = join "", @_;
144	utf8::encode $msg;
145		272
146	$msg .= "\n"	273	$msg .= "\n"
147	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
148		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
149	LOG llevError, $msg;	278	LOG llevWarn, $msg;
150	};	279	};
151	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
152		294
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		302
160	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	304	# within the Safe compartment.
162	for my $pkg (qw(	305	for my $pkg (qw(
163	cf::global cf::attachable	306	cf::global cf::attachable
164	cf::object cf::object::player	307	cf::object cf::object::player
165	cf::client cf::player	308	cf::client cf::player
166	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
167	cf::map cf::party cf::region	311	cf::party cf::region
168	)) {	312	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	314	}
172		315
173	$Event::DIED = sub {	316	$EV::DIED = sub {
174	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
175	};	318	};
		319
		320	#############################################################################
176		321
177	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
178		323
179	=over 4	324	=over 4
180		325
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	344	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	345	$d
201	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
202	}	347	}
203		348
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
207		350
208	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
209		352
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
218		354
219	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
220		356
221	=cut	357	=cut
222		358
223	sub to_json($) {	359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	360
225	JSON::Syck::Dump $_[0]	361	sub encode_json($) { $json_coder->encode ($_[0]) }
		362	sub decode_json($) { $json_coder->decode ($_[0]) }
		363
		364	=item $ref = cf::yaml_load $scalar
		365
		366	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		367
		368	=cut
		369
		370	sub fork_call(&@);
		371
		372	sub yaml_load($) {
		373	fork_call { YAML::XS::Load $_[0] } @_
		374	}
		375
		376	=item cf::post_init { BLOCK }
		377
		378	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		379	but I<before> the server starts ticking again.
		380
		381	The codeblock will have a single boolean argument to indicate whether this
		382	is a reload or not.
		383
		384	=cut
		385
		386	sub post_init(&) {
		387	push @POST_INIT, shift;
		388	}
		389
		390	sub _post_init {
		391	trace "running post_init jobs";
		392
		393	# run them in parallel...
		394
		395	my @join;
		396
		397	while () {
		398	push @join, map &Coro::async ($_, 0), @POST_INIT;
		399	@POST_INIT = ();
		400
		401	@join or last;
		402
		403	(pop @join)->join;
		404	}
226	}	405	}
227		406
228	=item cf::lock_wait $string	407	=item cf::lock_wait $string
229		408
230	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
231		410
232	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
233		412
234	Wait until the given lock is available and then acquires it and returns	413	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,	414	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	415	for example when the coroutine gets canceled), the lock is automatically
237	returned.	416	returned.
238		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
239	Lock names should begin with a unique identifier (for example, cf::map::find	421	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
241		423
242	=cut	424	=item $locked = cf::lock_active $string
243		425
244	our %LOCK;	426	Return true if the lock is currently active, i.e. somebody has locked it.
		427
		428	=cut
		429
		430	our $LOCKS = new Coro::SemaphoreSet;
245		431
246	sub lock_wait($) {	432	sub lock_wait($) {
247	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	434	}
255		435
256	sub lock_acquire($) {	436	sub lock_acquire($) {
257	my ($key) = @_;	437	$LOCKS->guard ($_[0])
		438	}
258		439
259	# wait, to be sure we are not locked	440	sub lock_active($) {
260	lock_wait $key;	441	$LOCKS->count ($_[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	}	442	}
269		443
270	sub freeze_mainloop {	444	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
272		446
273	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	448	}
275	$WRITE_RUNTIME_WATCHER->start;	449
		450	=item cf::periodic $interval, $cb
		451
		452	Like EV::periodic, but randomly selects a starting point so that the actions
		453	get spread over time.
		454
		455	=cut
		456
		457	sub periodic($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
276	};	514	}
277	$WRITE_RUNTIME_WATCHER->stop;	515	};
278	$TICK_WATCHER->stop;	516
279	$guard	517	sub get_slot($;$$) {
		518	return if tick_inhibit || $Coro::current == $Coro::main;
		519
		520	my ($time, $pri, $name) = @_;
		521
		522	$time = clamp $time, 0.01, $TICK * .6;
		523
		524	my $sig = new Coro::Signal;
		525
		526	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		527	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		528	$SLOT_QUEUE->ready;
		529	$sig->wait;
280	}	530	}
281		531
282	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
283		533
284	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		539
290	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
291		541
292	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
293		543
294	The design of crossfire+ requires that the main coro ($Coro::main) is	544	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	545	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		547	acceptable.
297		548
298	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	551	server will be frozen during this time, so the block should either finish
301	fast or be very important.	552	fast or be very important.
…		…
303	=cut	554	=cut
304		555
305	sub sync_job(&) {	556	sub sync_job(&) {
306	my ($job) = @_;	557	my ($job) = @_;
307		558
308	if ($Coro::current == $Coro::main) {	559	if (in_main) {
		560	my $time = AE::time;
		561
309	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
311		564
312	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	566
314	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
315		568
316	my $busy = 1;	569	my $busy = 1;
317	my @res;	570	my @res;
318		571
319	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	574	@res = eval { $job->() };
321	warn $@ if $@;	575	error $@ if $@;
322	undef $busy;	576	undef $busy;
323	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
324		578
325	while ($busy) {	579	while ($busy) {
326	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
327	}	584	}
		585	}
		586
		587	my $time = AE::time - $time;
		588
		589	$TICK_START += $time; # do not account sync jobs to server load
328		590
329	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
330	} else {	592	} else {
331	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
332		594
…		…
352	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
353		615
354	$coro	616	$coro
355	}	617	}
356		618
357	sub write_runtime {	619	=item fork_call { }, @args
358	my $runtime = cf::localdir . "/runtime";
359		620
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	621	Executes the given code block with the given arguments in a seperate
361	or return;	622	process, returning the results. Everything must be serialisable with
		623	Coro::Storable. May, of course, block. Note that the executed sub may
		624	never block itself or use any form of event handling.
362		625
363	my $value = $cf::RUNTIME + 90 + 10;	626	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		627
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	628	sub post_fork {
368	and return;	629	reset_signals;
		630	}
369		631
370	# always fsync - this file is important	632	sub fork_call(&@) {
371	aio_fsync $fh	633	my ($cb, @args) = @_;
372	and return;
373		634
374	close $fh	635	# we seemingly have to make a local copy of the whole thing,
375	or return;	636	# otherwise perl prematurely frees the stuff :/
		637	# TODO: investigate and fix (likely this will be rather laborious)
376		638
377	aio_rename "$runtime~", $runtime	639	my @res = Coro::Util::fork_eval {
378	and return;	640	cf::post_fork;
		641	&$cb
		642	} @args;
379		643
		644	wantarray ? @res : $res[-1]
		645	}
		646
		647	sub objinfo {
380	1	648	(
		649	"counter value" => cf::object::object_count,
		650	"objects created" => cf::object::create_count,
		651	"objects destroyed" => cf::object::destroy_count,
		652	"freelist size" => cf::object::free_count,
		653	"allocated objects" => cf::object::objects_size,
		654	"active objects" => cf::object::actives_size,
		655	)
		656	}
		657
		658	=item $coin = coin_from_name $name
		659
		660	=cut
		661
		662	our %coin_alias = (
		663	"silver" => "silvercoin",
		664	"silvercoin" => "silvercoin",
		665	"silvercoins" => "silvercoin",
		666	"gold" => "goldcoin",
		667	"goldcoin" => "goldcoin",
		668	"goldcoins" => "goldcoin",
		669	"platinum" => "platinacoin",
		670	"platinumcoin" => "platinacoin",
		671	"platinumcoins" => "platinacoin",
		672	"platina" => "platinacoin",
		673	"platinacoin" => "platinacoin",
		674	"platinacoins" => "platinacoin",
		675	"royalty" => "royalty",
		676	"royalties" => "royalty",
		677	);
		678
		679	sub coin_from_name($) {
		680	$coin_alias{$_[0]}
		681	? cf::arch::find $coin_alias{$_[0]}
		682	: undef
		683	}
		684
		685	=item $value = cf::db_get $family => $key
		686
		687	Returns a single value from the environment database.
		688
		689	=item cf::db_put $family => $key => $value
		690
		691	Stores the given C<$value> in the family. It can currently store binary
		692	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		693
		694	=item $db = cf::db_table "name"
		695
		696	Create and/or open a new database table. The string must not be "db" and must be unique
		697	within each server.
		698
		699	=cut
		700
		701	sub db_table($) {
		702	cf::error "db_get called from main context"
		703	if $Coro::current == $Coro::main;
		704
		705	my ($name) = @_;
		706	my $db = BDB::db_create $DB_ENV;
		707
		708	eval {
		709	$db->set_flags (BDB::CHKSUM);
		710
		711	utf8::encode $name;
		712	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		713	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		714	cf::cleanup "db_open(db): $!" if $!;
		715	};
		716	cf::cleanup "db_open(db): $@" if $@;
		717
		718	$db
		719	}
		720
		721	our $DB;
		722
		723	sub db_init {
		724	$DB ||= db_table "db";
		725	}
		726
		727	sub db_get($$) {
		728	my $key = "$_[0]/$_[1]";
		729
		730	cf::error "db_get called from main context"
		731	if $Coro::current == $Coro::main;
		732
		733	BDB::db_get $DB, undef, $key, my $data;
		734
		735	$! ? ()
		736	: $data
		737	}
		738
		739	sub db_put($$$) {
		740	BDB::dbreq_pri 4;
		741	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		742	}
		743
		744	=item cf::cache $id => [$paths...], $processversion => $process
		745
		746	Generic caching function that returns the value of the resource $id,
		747	caching and regenerating as required.
		748
		749	This function can block.
		750
		751	=cut
		752
		753	sub cache {
		754	my ($id, $src, $processversion, $process) = @_;
		755
		756	my $meta =
		757	join "\x00",
		758	$processversion,
		759	map {
		760	aio_stat $_
		761	and Carp::croak "$_: $!";
		762
		763	($_, (stat _)[7,9])
		764	} @$src;
		765
		766	my $dbmeta = db_get cache => "$id/meta";
		767	if ($dbmeta ne $meta) {
		768	# changed, we may need to process
		769
		770	my @data;
		771	my $md5;
		772
		773	for (0 .. $#$src) {
		774	0 <= aio_load $src->[$_], $data[$_]
		775	or Carp::croak "$src->[$_]: $!";
		776	}
		777
		778	# if processing is expensive, check
		779	# checksum first
		780	if (1) {
		781	$md5 =
		782	join "\x00",
		783	$processversion,
		784	map {
		785	cf::cede_to_tick;
		786	($src->[$_], Digest::MD5::md5_hex $data[$_])
		787	} 0.. $#$src;
		788
		789
		790	my $dbmd5 = db_get cache => "$id/md5";
		791	if ($dbmd5 eq $md5) {
		792	db_put cache => "$id/meta", $meta;
		793
		794	return db_get cache => "$id/data";
		795	}
		796	}
		797
		798	my $t1 = Time::HiRes::time;
		799	my $data = $process->(\@data);
		800	my $t2 = Time::HiRes::time;
		801
		802	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		803
		804	db_put cache => "$id/data", $data;
		805	db_put cache => "$id/md5" , $md5;
		806	db_put cache => "$id/meta", $meta;
		807
		808	return $data;
		809	}
		810
		811	db_get cache => "$id/data"
		812	}
		813
		814	=item cf::datalog type => key => value, ...
		815
		816	Log a datalog packet of the given type with the given key-value pairs.
		817
		818	=cut
		819
		820	sub datalog($@) {
		821	my ($type, %kv) = @_;
		822	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	823	}
382		824
383	=back	825	=back
384		826
385	=cut	827	=cut
386		828
387	#############################################################################	829	#############################################################################
388		830
389	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
390		832
391	Many objects in crossfire are so-called attachable objects. That means you can	833	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")	834	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
394		836
395	In the following description, CLASS can be any of C<global>, C<object>	837	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	838	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	839	Deliantra).
398		840
399	=over 4	841	=over 4
400		842
401	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
402		844
…		…
446	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
447		889
448	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
450		892
451	Some classes such as crossfire maps and objects can specify attachments	893	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.	894	that are attached at load/instantiate time, thus the need for a name.
453		895
454	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
455		897
456	=over 4	898	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	1007	$registry = $CB_TYPE[$object_type] ||= [];
566		1008
567	} elsif ($type eq "subtype") {	1009	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	1010	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	1011	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1012	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		1013
572	} elsif ($type eq "package") {	1014	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	1015	my $pkg = shift @arg;
574		1016
575	while (my ($name, $id) = each %cb_id) {	1017	while (my ($name, $id) = each %cb_id) {
…		…
580		1022
581	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		1025
584	} elsif (ref $type) {	1026	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
586		1028
587	} else {	1029	} else {
588	shift @arg;	1030	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
590	}	1032	}
591	}	1033	}
592	}	1034	}
593		1035
594	sub _object_attach {	1036	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
605	}	1047	}
606		1048
607	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
608	} else {	1050	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1052	}
611		1053
612	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
613	}	1055	}
614		1056
…		…
616	if (ref $_[0]) {	1058	if (ref $_[0]) {
617	_object_attach @_;	1059	_object_attach @_;
618	} else {	1060	} else {
619	_attach shift->_attach_registry, @_;	1061	_attach shift->_attach_registry, @_;
620	}	1062	}
		1063	_recalc_want;
621	};	1064	};
622		1065
623	# all those should be optimised	1066	# all those should be optimised
624	sub cf::attachable::detach {	1067	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1068	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1071	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1072	reattach ($obj);
630	} else {	1073	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1074	Carp::croak "cannot, currently, detach class attachments";
632	}	1075	}
		1076	_recalc_want;
633	};	1077	};
634		1078
635	sub cf::attachable::attached {	1079	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1080	my ($obj, $name) = @_;
637		1081
…		…
652	";	1096	";
653	die if $@;	1097	die if $@;
654	}	1098	}
655		1099
656	our $override;	1100	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1101	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1102
659	sub override {	1103	sub override {
660	$override = 1;	1104	$override = 1;
661	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
662	}	1106	}
663		1107
664	sub do_invoke {	1108	sub do_invoke {
665	my $event = shift;	1109	my $event = shift;
666	my $callbacks = shift;	1110	my $callbacks = shift;
667		1111
668	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
669		1113
670	local $override;	1114	local $override;
671		1115
672	for (@$callbacks) {	1116	for (@$callbacks) {
673	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
674		1118
675	if ($@) {	1119	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1121	override;
679	}	1122	}
680		1123
681	return 1 if $override;	1124	return 1 if $override;
682	}	1125	}
683		1126
684	0	1127	0
685	}	1128	}
686		1129
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1131
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1133
691	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
692		1135
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1136	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	1137	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1139
697	=back	1140	=back
698		1141
699	=cut	1142	=cut
700		1143
701	#############################################################################	1144	#############################################################################
702	# object support	1145	# object support
		1146
		1147	sub _object_equal($$);
		1148	sub _object_equal($$) {
		1149	my ($a, $b) = @_;
		1150
		1151	return 0 unless (ref $a) eq (ref $b);
		1152
		1153	if ("HASH" eq ref $a) {
		1154	my @ka = keys %$a;
		1155	my @kb = keys %$b;
		1156
		1157	return 0 if @ka != @kb;
		1158
		1159	for (0 .. $#ka) {
		1160	return 0 unless $ka[$_] eq $kb[$_];
		1161	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1162	}
		1163
		1164	} elsif ("ARRAY" eq ref $a) {
		1165
		1166	return 0 if @$a != @$b;
		1167
		1168	for (0 .. $#$a) {
		1169	return 0 unless _object_equal $a->[$_], $b->[$_];
		1170	}
		1171
		1172	} elsif ($a ne $b) {
		1173	return 0;
		1174	}
		1175
		1176	1
		1177	}
		1178
		1179	our $SLOW_MERGES;#d#
		1180	sub _can_merge {
		1181	my ($ob1, $ob2) = @_;
		1182
		1183	++$SLOW_MERGES;#d#
		1184
		1185	# we do the slow way here
		1186	return _object_equal $ob1, $ob2
		1187	}
703		1188
704	sub reattach {	1189	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1191	my ($obj) = @_;
707		1192
		1193	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1194	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1195
710	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
711		1197
712	@$registry = ();	1198	@$registry = ();
713		1199
…		…
718	for (@$attach) {	1204	for (@$attach) {
719	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
721	}	1207	}
722	} else {	1208	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1210	}
725	}	1211	}
726	}	1212	}
727		1213
728	cf::attachable->attach (	1214	cf::attachable->attach (
729	prio => -1000000,	1215	prio => -1000000,
730	on_instantiate => sub {	1216	on_instantiate => sub {
731	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
732		1218
733	$data = from_json $data;	1219	$data = decode_json $data;
734		1220
735	for (@$data) {	1221	for (@$data) {
736	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
737		1223
738	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1240	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
756		1242
757	sync_job {	1243	sync_job {
758	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
761		1249
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1253	if ($cf::USE_FSYNC) {
		1254	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;
		1255	aio_fsync $fh;
		1256	}
766	close $fh;	1257	aio_close $fh;
767		1258
768	if (@$objs) {	1259	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1260	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1264	if ($cf::USE_FSYNC) {
		1265	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;
		1266	aio_fsync $fh;
		1267	}
774	close $fh;	1268	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
776	}	1270	}
777	} else {	1271	} else {
778	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
779	}	1273	}
780		1274
781	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1279	} else {
783	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
784	}	1281	}
785	} else {	1282	} else {
786	aio_unlink $filename;	1283	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
788	}	1285	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1286	};
796	}	1287	}
797		1288
798	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
800		1291
…		…
805		1296
806	sub object_thawer_load {	1297	sub object_thawer_load {
807	my ($filename) = @_;	1298	my ($filename) = @_;
808		1299
809	my ($data, $av);	1300	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1301
814	(aio_load $filename, $data) >= 0	1302	(aio_load $filename, $data) >= 0
815	or return;	1303	or return;
816		1304
817	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
819	or return;	1307	or return;
		1308
820	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
821	}	1311	}
822		1312
		1313	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
825	return ($data, $av);	1318	($data, $av)
826	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
827		1326
828	#############################################################################	1327	#############################################################################
829	# command handling &c	1328	# command handling &c
830		1329
831	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1344	}
846		1345
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1347
849	Register a callbackf ro execution when the client sends an extcmd packet.	1348	Register a callback for execution when the client sends an (synchronous)
		1349	extcmd packet. Ext commands will be processed in the order they are
		1350	received by the server, like other user commands. The first argument is
		1351	the logged-in player. Ext commands can only be processed after a player
		1352	has logged in successfully.
850		1353
851	If the callback returns something, it is sent back as if reply was being	1354	If the callback returns something, it is sent back as if reply was being
852	called.	1355	called.
853		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
854	=cut	1368	=cut
855		1369
856	sub register_extcmd {	1370	sub register_extcmd {
857	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
858		1372
859	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
860	}	1374	}
861		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
862	cf::player->attach (	1384	cf::player->attach (
863	on_command => sub {	1385	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
865		1387
866	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
867	or return;	1389	or return;
868		1390
…		…
873	cf::override;	1395	cf::override;
874	},	1396	},
875	on_extcmd => sub {	1397	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
877		1399
878	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1401
880	if (ref $msg) {	1402	if (ref $msg) {
		1403	my ($type, $reply, @payload) =
		1404	"ARRAY" eq ref $msg
		1405	? @$msg
		1406	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1407
		1408	my @reply;
		1409
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
886	} else {	1417	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1419	}
889		1420
890	cf::override;	1421	cf::override;
891	},	1422	},
892	);	1423	);
893		1424
		1425	# "readahead" all extensions
894	sub load_extension {	1426	sub cache_extensions {
895	my ($path) = @_;	1427	my $grp = IO::AIO::aio_group;
896		1428
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1430	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1431	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	}	1432	}
922	die $@;
923	}	1433	};
924		1434
925	push @EXTS, $pkg;	1435	$grp
926	}	1436	}
927		1437
928	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
		1441	cf::sync_job {
		1442	my %todo;
		1443
929	for my $ext (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1445	next unless -r $path;
931	eval {	1446
932	load_extension $ext;	1447	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1448	my $base = $1;
		1449	my $pkg = $1;
		1450	$pkg =~ s/[^[:word:]]/_/g;
		1451	$pkg = "ext::$pkg";
		1452
		1453	open my $fh, "<:utf8", $path
		1454	or die "$path: $!";
		1455
		1456	my $source = do { local $/; <$fh> };
		1457
		1458	my %ext = (
		1459	path => $path,
		1460	base => $base,
		1461	pkg => $pkg,
		1462	);
		1463
		1464	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1465	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1466
		1467	$ext{source} =
		1468	"package $pkg; use common::sense;\n"
		1469	. "#line 1 \"$path\"\n{\n"
		1470	. $source
		1471	. "\n};\n1";
		1472
		1473	$todo{$base} = \%ext;
		1474	}
		1475
		1476	my $pass = 0;
		1477	my %done;
		1478	while (%todo) {
		1479	my $progress;
		1480
		1481	++$pass;
		1482
		1483	ext:
		1484	while (my ($k, $v) = each %todo) {
		1485	for (split /,\s*/, $v->{meta}{depends}) {
		1486	next ext
		1487	unless exists $done{$_};
		1488	}
		1489
		1490	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1491
		1492	my $active = eval $v->{source};
		1493
		1494	if (length $@) {
		1495	error "$v->{path}: $@\n";
		1496
		1497	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499
		1500	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1501	delete $todo{$k};
		1502	} else {
		1503	$done{$k} = delete $todo{$k};
		1504	push @EXTS, $v->{pkg};
		1505	$progress = 1;
		1506
		1507	info "$v->{base}: extension inactive.\n"
		1508	unless $active;
		1509	}
933	1	1510	}
934	} or warn "$ext not loaded: $@";	1511
		1512	unless ($progress) {
		1513	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1514
		1515	while (my ($k, $v) = each %todo) {
		1516	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1517	if exists $v->{meta}{mandatory};
		1518	}
		1519	}
		1520	}
935	}	1521	};
936	}	1522	}
937		1523
938	#############################################################################	1524	#############################################################################
939		1525
		1526	=back
		1527
940	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
941		1529
942	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
943		1531
944	=cut	1532	=cut
945		1533
946	package cf::player;	1534	package cf::player;
947		1535
…		…
949		1537
950	=head3 cf::player	1538	=head3 cf::player
951		1539
952	=over 4	1540	=over 4
953		1541
		1542	=item cf::player::num_playing
		1543
		1544	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1545
		1546	=cut
		1547
		1548	sub num_playing {
		1549	scalar grep
		1550	$_->ob->map
		1551	&& !$_->hidden
		1552	&& !$_->ob->flag (cf::FLAG_WIZ),
		1553	cf::player::list
		1554	}
		1555
954	=item cf::player::find $login	1556	=item cf::player::find $login
955		1557
956	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
957		1559
958	=cut	1560	=cut
959		1561
960	sub playerdir($) {	1562	sub playerdir($) {
961	cf::localdir	1563	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1564	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1565	}
967		1566
968	sub path($) {	1567	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1568	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1569
971	(playerdir $login) . "/$login.pl"	1570	(playerdir $login) . "/playerdata"
972	}	1571	}
973		1572
974	sub find_active($) {	1573	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1574	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1575	and $cf::PLAYER{$_[0]}->active
…		…
979		1578
980	sub exists($) {	1579	sub exists($) {
981	my ($login) = @_;	1580	my ($login) = @_;
982		1581
983	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
985	}	1584	}
986		1585
987	sub find($) {	1586	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1588	my $login = $_[0];
990		1589
991	my $guard = cf::lock_acquire "user_find:$login";	1590	my $guard = cf::lock_acquire "user_find:$login";
992		1591
993	$cf::PLAYER{$_[0]} || do {	1592	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1593	# rename old playerfiles to new ones
		1594	#TODO: remove when no longer required
		1595	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1596	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1597	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1598	aio_unlink +(playerdir $login) . "/$login.pl";
		1599
		1600	my $f = new_from_file cf::object::thawer path $login
995	or return;	1601	or return;
		1602
		1603	my $pl = cf::player::load_pl $f
		1604	or return;
		1605
		1606	local $cf::PLAYER_LOADING{$login} = $pl;
		1607	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
997	}	1609	}
998	}	1610	}
999	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($pl, $path) = @_;
		1616
		1617	# restore slots saved in save, below
		1618	my $slots = delete $pl->{_slots};
		1619
		1620	$pl->ob->current_weapon ($slots->[0]);
		1621	$pl->combat_ob ($slots->[1]);
		1622	$pl->ranged_ob ($slots->[2]);
		1623	},
		1624	);
1000		1625
1001	sub save($) {	1626	sub save($) {
1002	my ($pl) = @_;	1627	my ($pl) = @_;
1003		1628
1004	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
1010		1635
1011	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
1013		1638
		1639	cf::get_slot 0.01;
		1640
		1641	# save slots, to be restored later
		1642	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1643
1014	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
1015	Coro::cede;	1645	cf::cede_to_tick;
1016	}	1646	}
1017		1647
1018	sub new($) {	1648	sub new($) {
1019	my ($login) = @_;	1649	my ($login) = @_;
1020		1650
…		…
1026	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1027		1657
1028	$self	1658	$self
1029	}	1659	}
1030		1660
		1661	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1662
		1663	=cut
		1664
		1665	sub send_msg {
		1666	my $ns = shift->ns
		1667	or return;
		1668	$ns->send_msg (@_);
		1669	}
		1670
1031	=item $pl->quit_character	1671	=item $pl->quit_character
1032		1672
1033	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1035		1675
1036	=cut	1676	=cut
1037		1677
1038	sub quit_character {	1678	sub quit_character {
1039	my ($pl) = @_;	1679	my ($pl) = @_;
1040		1680
		1681	my $name = $pl->ob->name;
		1682
1041	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1684	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1685
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1047	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1048		1694
1049	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1698	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1699	$pl->destroy;
		1700
		1701	my $prefix = qr<^~\Q$name\E/>;
		1702
		1703	# nuke player maps
		1704	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1705
1054	IO::AIO::aio_rmtree $temp;	1706	IO::AIO::aio_rmtree $temp;
		1707	}
		1708
		1709	=item $pl->kick
		1710
		1711	Kicks a player out of the game. This destroys the connection.
		1712
		1713	=cut
		1714
		1715	sub kick {
		1716	my ($pl, $kicker) = @_;
		1717
		1718	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1719	$pl->killer ("kicked");
		1720	$pl->ns->destroy;
1055	}	1721	}
1056		1722
1057	=item cf::player::list_logins	1723	=item cf::player::list_logins
1058		1724
1059	Returns am arrayref of all valid playernames in the system, can take a	1725	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1726	while and may block, so not sync_job-capable, ever.
1061		1727
1062	=cut	1728	=cut
1063		1729
1064	sub list_logins {	1730	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1731	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1732	or return [];
1067		1733
1068	my @logins;	1734	my @logins;
1069		1735
1070	for my $login (@$dirs) {	1736	for my $login (@$dirs) {
		1737	my $path = path $login;
		1738
		1739	# a .pst is a dead give-away for a valid player
		1740	# if no pst file found, open and chekc for blocked users
		1741	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1074		1746
1075	utf8::decode $login;	1747	utf8::decode $login;
1076	push @logins, $login;	1748	push @logins, $login;
1077	}	1749	}
1078		1750
1079	\@logins	1751	\@logins
1080	}	1752	}
1081		1753
1082	=item $player->maps	1754	=item $player->maps
		1755
		1756	=item cf::player::maps $login
1083		1757
1084	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1085	player. May block.	1759	player. May block.
1086		1760
1087	=cut	1761	=cut
…		…
1105	}	1779	}
1106		1780
1107	\@paths	1781	\@paths
1108	}	1782	}
1109		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1111		1789
1112	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1113		1791
1114	=cut	1792	=cut
1115		1793
1116	sub ext_reply($$$%) {	1794	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1118		1796
1119	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1798	}
1123		1799
1124	package cf;	1800	=item $player->ext_msg ($type, @msg)
		1801
		1802	Sends an ext event to the client.
		1803
		1804	=cut
		1805
		1806	sub ext_msg($$@) {
		1807	my ($self, $type, @msg) = @_;
		1808
		1809	$self->ns->ext_msg ($type, @msg);
		1810	}
		1811
		1812	=head3 cf::region
		1813
		1814	=over 4
		1815
		1816	=cut
		1817
		1818	package cf::region;
		1819
		1820	=item cf::region::find_by_path $path
		1821
		1822	Tries to decuce the likely region for a map knowing only its path.
		1823
		1824	=cut
		1825
		1826	sub find_by_path($) {
		1827	my ($path) = @_;
		1828
		1829	$path =~ s/^~[^\/]*//; # skip ~login
		1830
		1831	my ($match, $specificity);
		1832
		1833	for my $region (list) {
		1834	if ($region->{match} && $path =~ $region->{match}) {
		1835	($match, $specificity) = ($region, $region->specificity)
		1836	if $region->specificity > $specificity;
		1837	}
		1838	}
		1839
		1840	$match
		1841	}
1125		1842
1126	=back	1843	=back
1127
1128		1844
1129	=head3 cf::map	1845	=head3 cf::map
1130		1846
1131	=over 4	1847	=over 4
1132		1848
…		…
1144	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1146		1862
1147	sub generate_random_map {	1863	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1150	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region}), $rmp->{custom}
1162	)
1163	}	1869	}
1164		1870
1165	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1166		1872
1167	Register a handler for the map path matching the given regex at the	1873	Register a handler for the map path matching the given regex at the
…		…
1172		1878
1173	sub register {	1879	sub register {
1174	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	1881	my $pkg = caller;
1176		1882
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		1884
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	1886	}
1182		1887
1183	# also paths starting with '/'	1888	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		1890
1186	sub thawer_merge {	1891	sub thawer_merge {
1187	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1188		1893
1189	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
1190	local $self->{path};	1895	local $self->{path};
1191	local $self->{load_path};	1896	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1897
1195	$self->SUPER::thawer_merge ($merge);	1898	$self->SUPER::thawer_merge ($merge);
1196	}	1899	}
1197		1900
1198	sub normalise {	1901	sub normalise {
1199	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
1200		1903
1201	$path = "$path"; # make sure its a string	1904	$path = "$path"; # make sure it's a string
1202		1905
1203	$path =~ s/\.map$//;	1906	$path =~ s/\.map$//;
1204		1907
1205	# map plan:	1908	# map plan:
1206	#	1909	#
…		…
1221	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	1925	$path = "$base/$path";
1223	}	1926	}
1224		1927
1225	for ($path) {	1928	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1229	}	1931	}
1230		1932
1231	$path	1933	$path
…		…
1245	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1246	return $self;	1948	return $self;
1247	}	1949	}
1248	}	1950	}
1249		1951
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	1953	()
1252	}	1954	}
1253		1955
1254	sub init {	1956	sub init {
1255	my ($self) = @_;	1957	my ($self) = @_;
…		…
1270		1972
1271	# the original (read-only) location	1973	# the original (read-only) location
1272	sub load_path {	1974	sub load_path {
1273	my ($self) = @_;	1975	my ($self) = @_;
1274		1976
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1977	"$MAPDIR/$self->{path}.map"
1276	}	1978	}
1277		1979
1278	# the temporary/swap location	1980	# the temporary/swap location
1279	sub save_path {	1981	sub save_path {
1280	my ($self) = @_;	1982	my ($self) = @_;
1281		1983
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1985	"$TMPDIR/$path.map"
1284	}	1986	}
1285		1987
1286	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1287	sub uniq_path {	1989	sub uniq_path {
1288	my ($self) = @_;	1990	my ($self) = @_;
1289		1991
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1993	"$UNIQUEDIR/$path"
1292	}	1994	}
1293		1995
1294	# and all this just because we cannot iterate over	1996	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	1997	my ($self) = @_;
1298		1998
1299	$_->change_map_light ($change)	1999	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2000
		2001	$self->do_decay_objects;
1301	}	2002	}
1302		2003
1303	sub unlink_save {	2004	sub unlink_save {
1304	my ($self) = @_;	2005	my ($self) = @_;
1305		2006
1306	utf8::encode (my $save = $self->save_path);	2007	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2008	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2009	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	}	2010	}
1315		2011
1316	sub load_header_from($) {	2012	sub load_header_from($) {
1317	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1318		2014
1319	utf8::encode $path;	2015	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2017	or return;
		2018
		2019	$self->_load_header ($f)
		2020	or return;
		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
1325		2024
1326	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1327		2026
1328	1	2027	1
1329	}	2028	}
…		…
1368	$self->load_header_orig	2067	$self->load_header_orig
1369	or return;	2068	or return;
1370	$self->prepare_orig;	2069	$self->prepare_orig;
1371	}	2070	}
1372		2071
		2072	$self->{deny_reset} = 1
		2073	if $self->no_reset;
		2074
		2075	$self->default_region (cf::region::find_by_path $self->{path})
		2076	unless $self->default_region;
		2077
1373	1	2078	1
1374	}	2079	}
1375		2080
1376	sub find;	2081	sub find;
1377	sub find {	2082	sub find {
1378	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1379		2084
		2085	cf::cede_to_tick;
		2086
1380	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1381		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2091
1384	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1387	or return;	2094	or return;
1388		2095
1389	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1390		2097
1391	$map->load_header	2098	$map->load_header
1392	or return;	2099	or return;
1393		2100
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1397	$map->reset;	2106	$map->reset;
1398	undef $guard;
1399	return find $path;	2107	return find $path;
1400	}	2108	}
1401		2109
1402	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1403	}	2111	}
1404	}	2112	}
1405		2113
1406	sub pre_load { }	2114	sub pre_load { }
1407	sub post_load { }	2115	#sub post_load { } # XS
1408		2116
1409	sub load {	2117	sub load {
1410	my ($self) = @_;	2118	my ($self) = @_;
1411		2119
1412	local $self->{deny_reset} = 1; # loading can take a long time	2120	local $self->{deny_reset} = 1; # loading can take a long time
1413		2121
1414	my $path = $self->{path};	2122	my $path = $self->{path};
		2123
		2124	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1416		2126
		2127	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2129
1419	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1420		2131
1421	$self->alloc;	2132	$self->alloc;
1422		2133
1423	$self->pre_load;	2134	$self->pre_load;
		2135	cf::cede_to_tick;
1424		2136
1425	$self->_load_objects ($self->{load_path}, 1)	2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
		2139	$self->_load_objects ($f)
1426	or return;	2140	or return;
1427		2141
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1429	if delete $self->{load_original};	2143	if delete $self->{load_original};
1430		2144
1431	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2146	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2149	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1436	}	2153	}
1437	}	2154	}
1438		2155
1439	Coro::cede;	2156	$f->resolve_delayed_derefs;
1440		2157
		2158	cf::cede_to_tick;
1441	# now do the right thing for maps	2159	# now do the right thing for maps
1442	$self->link_multipart_objects;	2160	$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)	2161	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2162	unless $self->difficulty;
1452	Coro::cede;	2163	cf::cede_to_tick;
		2164
		2165	unless ($self->{deny_activate}) {
		2166	$self->decay_objects;
		2167	$self->fix_auto_apply;
		2168	$self->update_buttons;
		2169	cf::cede_to_tick;
1453	$self->activate;	2170	$self->activate;
		2171	}
		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
		2176	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2177	}
1455		2178
1456	$self->post_load;	2179	$self->post_load;
1457		2180
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2181	1
1459	}	2182	}
1460		2183
		2184	# customize the map for a given player, i.e.
		2185	# return the _real_ map. used by e.g. per-player
		2186	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2187	sub customise_for {
1462	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1463		2189
1464	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2191	if $self->per_player;
1466		2192
		2193	# return find "?party/" . $ob->name . "/" . $self->{path}
		2194	# if $self->per_party;
		2195
1467	$self	2196	$self
1468	}	2197	}
1469		2198
1470	# find and load all maps in the 3x3 area around a map	2199	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2200	sub load_neighbours {
1472	my ($map) = @_;	2201	my ($map) = @_;
1473		2202
1474	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1475		2204
1476	for (0 .. 3) {	2205	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1478	or next;	2207	or next;
1479	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1480	or next;	2209	or next;
1481	$neigh->load;	2210	$neigh->load;
1482		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2216	}
1486		2217
1487	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1489	or next;	2221	or next;
1490	$neigh->load;	2222	$neigh->load;
1491	}	2223	}
1492	}	2224	}
1493		2225
1494	sub find_sync {	2226	sub find_sync {
1495	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1496		2228
1497	cf::sync_job { find $path, $origin }	2229	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2230	if $Coro::current == $Coro::main;
		2231
		2232	find $path, $origin
1498	}	2233	}
1499		2234
1500	sub do_load_sync {	2235	sub do_load_sync {
1501	my ($map) = @_;	2236	my ($map) = @_;
1502		2237
1503	cf::sync_job { $map->load };	2238	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2239	if $Coro::current == $Coro::main;
		2240
		2241	$map->load;
1504	}	2242	}
1505		2243
1506	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1508		2246
1509	sub find_async {	2247	sub find_async {
1510	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1511		2249
1512	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1513		2251
1514	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2254	}
1517		2255
1518	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1519	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1520	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2263	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2264	$map->load if $v;
		2265	}
1525		2266
1526	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1527	}	2268	}
1528	}	2269	}
1529	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1530	};	2271	};
1531	$MAP_PREFETCHER->prio (6);	2272	$MAP_PREFETCHER->prio (6);
1532		2273
1533	()	2274	()
1534	}	2275	}
1535		2276
		2277	# common code, used by both ->save and ->swapout
1536	sub save {	2278	sub _save {
1537	my ($self) = @_;	2279	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2280
1541	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1542		2282
1543	return unless $self->dirty;	2283	return unless $self->dirty;
1544		2284
…		…
1550	return if $self->{deny_save};	2290	return if $self->{deny_save};
1551		2291
1552	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1553		2293
1554	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1556	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1557		2300
1558	if ($uniq) {	2301	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2304	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2305	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2306	}
1564	}	2307	}
1565		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1566	sub swap_out {	2317	sub swap_out {
1567	my ($self) = @_;	2318	my ($self) = @_;
1568		2319
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1574	return if $self->players;	2324	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2325
		2326	# first deactivate the map and "unlink" it from the core
		2327	$self->deactivate;
		2328	$_->clear_links_to ($self) for values %cf::MAP;
		2329	$self->in_memory (cf::MAP_SWAPPED);
		2330
		2331	# then atomically save
		2332	$self->_save;
		2333
		2334	# then free the map
1578	$self->clear;	2335	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2336	}
1581		2337
1582	sub reset_at {	2338	sub reset_at {
1583	my ($self) = @_;	2339	my ($self) = @_;
1584		2340
1585	# TODO: safety, remove and allow resettable per-player maps	2341	# 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};	2342	return 1e99 if $self->{deny_reset};
1588		2343
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2346
…		…
1602	my ($self) = @_;	2357	my ($self) = @_;
1603		2358
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2360
1606	return if $self->players;	2361	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2362
1609	warn "resetting map ", $self->path;#d#	2363	cf::trace "resetting map ", $self->path, "\n";
		2364
		2365	$self->in_memory (cf::MAP_SWAPPED);
		2366
		2367	# need to save uniques path
		2368	unless ($self->{deny_save}) {
		2369	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2370
		2371	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2372	if $uniq;
		2373	}
1610		2374
1611	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1612		2376
1613	$self->in_memory (cf::MAP_SWAPPED);	2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2379	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2380
1618	$self->unlink_save;	2381	$self->unlink_save;
1619	$self->destroy;	2382	$self->destroy;
1620	}	2383	}
1621		2384
1622	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1623		2386
1624	sub nuke {	2387	sub nuke {
1625	my ($self) = @_;	2388	my ($self) = @_;
1626		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1627	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1628		2394
1629	$self->unlink_save;	2395	$self->unlink_save;
1630		2396
1631	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2402
1637	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1638		2405
1639	$self->reset; # polite request, might not happen	2406	$self->reset; # polite request, might not happen
		2407	}
		2408
		2409	=item $maps = cf::map::tmp_maps
		2410
		2411	Returns an arrayref with all map paths of currently instantiated and saved
		2412	maps. May block.
		2413
		2414	=cut
		2415
		2416	sub tmp_maps() {
		2417	[
		2418	map {
		2419	utf8::decode $_;
		2420	/\.map$/
		2421	? normalise $_
		2422	: ()
		2423	} @{ aio_readdir $TMPDIR or [] }
		2424	]
		2425	}
		2426
		2427	=item $maps = cf::map::random_maps
		2428
		2429	Returns an arrayref with all map paths of currently instantiated and saved
		2430	random maps. May block.
		2431
		2432	=cut
		2433
		2434	sub random_maps() {
		2435	[
		2436	map {
		2437	utf8::decode $_;
		2438	/\.map$/
		2439	? normalise "?random/$_"
		2440	: ()
		2441	} @{ aio_readdir $RANDOMDIR or [] }
		2442	]
1640	}	2443	}
1641		2444
1642	=item cf::map::unique_maps	2445	=item cf::map::unique_maps
1643		2446
1644	Returns an arrayref of paths of all shared maps that have	2447	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2448	instantiated unique items. May block.
1646		2449
1647	=cut	2450	=cut
1648		2451
1649	sub unique_maps() {	2452	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2453	[
1651	or return;	2454	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2455	utf8::decode $_;
1657	next if /\.pst$/;	2456	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2458	? ()
1660	push @paths, cf::map::normalise $_;	2459	: normalise $_
		2460	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2461	]
1662
1663	\@paths
1664	}	2462	}
1665		2463
1666	package cf;	2464	=item cf::map::static_maps
		2465
		2466	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2467	file in the shared directory excluding F</styles> and F</editor>). May
		2468	block.
		2469
		2470	=cut
		2471
		2472	sub static_maps() {
		2473	my @dirs = "";
		2474	my @maps;
		2475
		2476	while (@dirs) {
		2477	my $dir = shift @dirs;
		2478
		2479	next if $dir eq "/styles" || $dir eq "/editor";
		2480
		2481	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2482	or return;
		2483
		2484	for (@$files) {
		2485	s/\.map$// or next;
		2486	utf8::decode $_;
		2487	push @maps, "$dir/$_";
		2488	}
		2489
		2490	push @dirs, map "$dir/$_", @$dirs;
		2491	}
		2492
		2493	\@maps
		2494	}
1667		2495
1668	=back	2496	=back
1669		2497
1670	=head3 cf::object	2498	=head3 cf::object
1671		2499
…		…
1675		2503
1676	=over 4	2504	=over 4
1677		2505
1678	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1679		2507
1680	Returns the inventory of the object _and_ their inventories, recursively.	2508	Returns the inventory of the object I<and> their inventories, recursively,
		2509	but I<not> the object itself.
1681		2510
1682	=cut	2511	=cut
1683		2512
1684	sub inv_recursive_;	2513	sub inv_recursive_;
1685	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1688		2517
1689	sub inv_recursive {	2518	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1691	}	2520	}
1692		2521
		2522	=item $ref = $ob->ref
		2523
		2524	Creates and returns a persistent reference to an object that can be stored as a string.
		2525
		2526	=item $ob = cf::object::deref ($refstring)
		2527
		2528	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2529	even if the object actually exists. May block.
		2530
		2531	=cut
		2532
		2533	sub deref {
		2534	my ($ref) = @_;
		2535
		2536	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2537	my ($uuid, $name) = ($1, $2);
		2538	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2539	or return;
		2540	$pl->ob->uuid eq $uuid
		2541	or return;
		2542
		2543	$pl->ob
		2544	} else {
		2545	warn "$ref: cannot resolve object reference\n";
		2546	undef
		2547	}
		2548	}
		2549
1693	package cf;	2550	package cf;
1694		2551
1695	=back	2552	=back
1696		2553
1697	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2560	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	2561	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1706		2563
1707	=cut	2564	=cut
		2565
		2566	our $SAY_CHANNEL = {
		2567	id => "say",
		2568	title => "Map",
		2569	reply => "say ",
		2570	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2571	};
		2572
		2573	our $CHAT_CHANNEL = {
		2574	id => "chat",
		2575	title => "Chat",
		2576	reply => "chat ",
		2577	tooltip => "Player chat and shouts, global to the server.",
		2578	};
1708		2579
1709	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2581	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2582	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1714		2585
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2587
1717	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1719	} else {	2591	} else {
		2592	my $pl = $self->contr;
		2593
		2594	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2595	my $dialog = $pl->{npc_dialog};
		2596	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2597
		2598	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1722	}	2602	}
		2603	}
		2604
		2605	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	=cut
		2608
		2609	sub cf::object::send_msg {
		2610	my $pl = shift->contr
		2611	or return;
		2612	$pl->send_msg (@_);
1723	}	2613	}
1724		2614
1725	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1726		2616
1727	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1740		2630
1741	=item $player_object->enter_link	2631	=item $player_object->enter_link
1742		2632
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2633	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2634
1745	The player should be reasonably safe there for short amounts of time. You	2635	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.	2636	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2637	though, as the player cannot control the character while it is on the link
		2638	map.
1747		2639
1748	Will never block.	2640	Will never block.
1749		2641
1750	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1751		2643
…		…
1771	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2664	my ($self) = @_;
1773		2665
1774	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1775		2667
		2668	++$self->{_link_recursion};
		2669
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2671
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2673	if $self->map && $self->map->{path} ne "{link}";
1780		2674
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2676	}
1783		2677
1784	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
		2680
		2681	return unless $self->contr->active;
1786		2682
1787	my $link_pos = delete $self->{_link_pos};	2683	my $link_pos = delete $self->{_link_pos};
1788		2684
1789	unless ($map) {	2685	unless ($map) {
1790	# restore original map position	2686	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
1803		2699
1804	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
1807		2703
1808	$map->load;	2704	$map->load;
1809	$map->load_diag;	2705	$map->load_neighbours;
1810		2706
1811	return unless $self->contr->active;	2707	return unless $self->contr->active;
		2708
		2709	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2710	if ($self->enter_map ($map, $x, $y)) {
		2711	# entering was successful
		2712	delete $self->{_link_recursion};
		2713	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2714	$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	},	2715	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2716
1830	# try to abort aborted map switching on player login :)	2717	}
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		2718
1848	=item $player_object->goto ($path, $x, $y)	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2720
		2721	Moves the player to the given map-path and coordinates by first freezing
		2722	her, loading and preparing them map, calling the provided $check callback
		2723	that has to return the map if sucecssful, and then unfreezes the player on
		2724	the new (success) or old (failed) map position. In either case, $done will
		2725	be called at the end of this process.
		2726
		2727	Note that $check will be called with a potentially non-loaded map, so if
		2728	it needs a loaded map it has to call C<< ->load >>.
		2729
1850	=cut	2730	=cut
		2731
		2732	our $GOTOGEN;
1851		2733
1852	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2735	my ($self, $path, $x, $y, $check, $done) = @_;
		2736
		2737	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2738	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2739	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2740	($path, $x, $y) = @$EMERGENCY_POSITION;
		2741	}
		2742
		2743	# do generation counting so two concurrent goto's will be executed in-order
		2744	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2745
1855	$self->enter_link;	2746	$self->enter_link;
1856		2747
1857	(async {	2748	(async {
		2749	$Coro::current->{desc} = "player::goto $path $x $y";
		2750
		2751	# *tag paths override both path and x|y
		2752	if ($path =~ /^\*(.*)$/) {
		2753	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2754	my $ob = $obs[rand @obs];
		2755
		2756	# see if we actually can go there
		2757	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2758	$ob = $obs[rand @obs];
		2759	} else {
		2760	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2761	}
		2762	# else put us there anyways for now #d#
		2763
		2764	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2765	} else {
		2766	($path, $x, $y) = (undef, undef, undef);
		2767	}
		2768	}
		2769
1858	my $map = eval {	2770	my $map = eval {
1859	my $map = cf::map::find $path;	2771	my $map = defined $path ? cf::map::find $path : undef;
		2772
		2773	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2774	$map = $map->customise_for ($self);
		2775	$map = $check->($map, $x, $y, $self) if $check && $map;
		2776	} else {
		2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	}
		2779
1861	$map	2780	$map
		2781	};
		2782
		2783	if ($@) {
		2784	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2785	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2786	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2787
		2788	if ($gen == $self->{_goto_generation}) {
		2789	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
		2791	}
		2792
		2793	$done->($self) if $done;
1866	})->prio (1);	2794	})->prio (1);
1867	}	2795	}
1868		2796
1869	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
1870		2798
…		…
1890	}	2818	}
1891		2819
1892	sub prepare_random_map {	2820	sub prepare_random_map {
1893	my ($exit) = @_;	2821	my ($exit) = @_;
1894		2822
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2825	# that depends on the exit object
1900		2826
1901	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2829	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2830	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
1908	}	2836	}
1909		2837
1910	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
1911		2839
1912	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
1915		2843
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2846	undef $fh;
1919	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
1920		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
1923	}	2855	}
1924	}	2856	}
1925		2857
1926	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
1928		2860
1929	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
1930		2862
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;	2863	$self->enter_link;
1941		2864
1942	(async {	2865	(async {
1943	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
1944	unless (eval {	2868	unless (eval {
		2869	$self->deactivate_recursive; # just to be sure
		2870
		2871	# random map handling
		2872	{
		2873	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2874
		2875	prepare_random_map $exit
		2876	if $exit->slaying eq "/!";
		2877	}
		2878
		2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
		2882
1945	$self->goto ($slaying, $hp, $sp);	2883	$self->goto ($map, $x, $y);
1946		2884
		2885	# if exit is damned, update players death & WoR home-position
		2886	$self->contr->savebed ($map, $x, $y)
		2887	if $exit->flag (cf::FLAG_DAMNED);
		2888
1947	1;	2889	1
1948	}) {	2890	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2892	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2895
1954	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2897	$self->leave_link;
1956	}	2898	}
1957	})->prio (1);	2899	})->prio (1);
1958	}	2900	}
1959		2901
…		…
1970		2912
1971	sub cf::client::send_drawinfo {	2913	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2914	my ($self, $text, $flags) = @_;
1973		2915
1974	utf8::encode $text;	2916	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2918	}
1977		2919
		2920	=item $client->send_big_packet ($pkt)
		2921
		2922	Like C<send_packet>, but tries to compress large packets, and fragments
		2923	them as required.
		2924
		2925	=cut
		2926
		2927	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2928
		2929	sub cf::client::send_big_packet {
		2930	my ($self, $pkt) = @_;
		2931
		2932	# try lzf for large packets
		2933	$pkt = "lzf " . Compress::LZF::compress $pkt
		2934	if 1024 <= length $pkt and $self->{can_lzf};
		2935
		2936	# split very large packets
		2937	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2938	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2939	$pkt = "frag";
		2940	}
		2941
		2942	$self->send_packet ($pkt);
		2943	}
		2944
		2945	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2946
		2947	Send a drawinfo or msg packet to the client, formatting the msg for the
		2948	client if neccessary. C<$type> should be a string identifying the type of
		2949	the message, with C<log> being the default. If C<$color> is negative, suppress
		2950	the message unless the client supports the msg packet.
		2951
		2952	=cut
		2953
		2954	# non-persistent channels (usually the info channel)
		2955	our %CHANNEL = (
		2956	"c/motd" => {
		2957	id => "infobox",
		2958	title => "MOTD",
		2959	reply => undef,
		2960	tooltip => "The message of the day",
		2961	},
		2962	"c/identify" => {
		2963	id => "infobox",
		2964	title => "Identify",
		2965	reply => undef,
		2966	tooltip => "Items recently identified",
		2967	},
		2968	"c/examine" => {
		2969	id => "infobox",
		2970	title => "Examine",
		2971	reply => undef,
		2972	tooltip => "Signs and other items you examined",
		2973	},
		2974	"c/shopinfo" => {
		2975	id => "infobox",
		2976	title => "Shop Info",
		2977	reply => undef,
		2978	tooltip => "What your bargaining skill tells you about the shop",
		2979	},
		2980	"c/book" => {
		2981	id => "infobox",
		2982	title => "Book",
		2983	reply => undef,
		2984	tooltip => "The contents of a note or book",
		2985	},
		2986	"c/lookat" => {
		2987	id => "infobox",
		2988	title => "Look",
		2989	reply => undef,
		2990	tooltip => "What you saw there",
		2991	},
		2992	"c/who" => {
		2993	id => "infobox",
		2994	title => "Players",
		2995	reply => undef,
		2996	tooltip => "Shows players who are currently online",
		2997	},
		2998	"c/body" => {
		2999	id => "infobox",
		3000	title => "Body Parts",
		3001	reply => undef,
		3002	tooltip => "Shows which body parts you posess and are available",
		3003	},
		3004	"c/statistics" => {
		3005	id => "infobox",
		3006	title => "Statistics",
		3007	reply => undef,
		3008	tooltip => "Shows your primary statistics",
		3009	},
		3010	"c/skills" => {
		3011	id => "infobox",
		3012	title => "Skills",
		3013	reply => undef,
		3014	tooltip => "Shows your experience per skill and item power",
		3015	},
		3016	"c/shopitems" => {
		3017	id => "infobox",
		3018	title => "Shop Items",
		3019	reply => undef,
		3020	tooltip => "Shows the items currently for sale in this shop",
		3021	},
		3022	"c/resistances" => {
		3023	id => "infobox",
		3024	title => "Resistances",
		3025	reply => undef,
		3026	tooltip => "Shows your resistances",
		3027	},
		3028	"c/pets" => {
		3029	id => "infobox",
		3030	title => "Pets",
		3031	reply => undef,
		3032	tooltip => "Shows information abotu your pets/a specific pet",
		3033	},
		3034	"c/perceiveself" => {
		3035	id => "infobox",
		3036	title => "Perceive Self",
		3037	reply => undef,
		3038	tooltip => "You gained detailed knowledge about yourself",
		3039	},
		3040	"c/uptime" => {
		3041	id => "infobox",
		3042	title => "Uptime",
		3043	reply => undef,
		3044	tooltip => "How long the server has been running since last restart",
		3045	},
		3046	"c/mapinfo" => {
		3047	id => "infobox",
		3048	title => "Map Info",
		3049	reply => undef,
		3050	tooltip => "Information related to the maps",
		3051	},
		3052	"c/party" => {
		3053	id => "party",
		3054	title => "Party",
		3055	reply => "gsay ",
		3056	tooltip => "Messages and chat related to your party",
		3057	},
		3058	"c/death" => {
		3059	id => "death",
		3060	title => "Death",
		3061	reply => undef,
		3062	tooltip => "Reason for and more info about your most recent death",
		3063	},
		3064	"c/say" => $SAY_CHANNEL,
		3065	"c/chat" => $CHAT_CHANNEL,
		3066	);
		3067
		3068	sub cf::client::send_msg {
		3069	my ($self, $channel, $msg, $color, @extra) = @_;
		3070
		3071	$msg = $self->pl->expand_cfpod ($msg)
		3072	unless $color & cf::NDI_VERBATIM;
		3073
		3074	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3075
		3076	# check predefined channels, for the benefit of C
		3077	if ($CHANNEL{$channel}) {
		3078	$channel = $CHANNEL{$channel};
		3079
		3080	$self->ext_msg (channel_info => $channel);
		3081	$channel = $channel->{id};
		3082
		3083	} elsif (ref $channel) {
		3084	# send meta info to client, if not yet sent
		3085	unless (exists $self->{channel}{$channel->{id}}) {
		3086	$self->{channel}{$channel->{id}} = $channel;
		3087	$self->ext_msg (channel_info => $channel);
		3088	}
		3089
		3090	$channel = $channel->{id};
		3091	}
		3092
		3093	return unless @extra || length $msg;
		3094
		3095	# default colour, mask it out
		3096	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3097	if $color & cf::NDI_DEF;
		3098
		3099	my $pkt = "msg "
		3100	. $self->{json_coder}->encode (
		3101	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3102	);
		3103
		3104	$self->send_big_packet ($pkt);
		3105	}
		3106
		3107	=item $client->ext_msg ($type, @msg)
		3108
		3109	Sends an ext event to the client.
		3110
		3111	=cut
		3112
		3113	sub cf::client::ext_msg($$@) {
		3114	my ($self, $type, @msg) = @_;
		3115
		3116	if ($self->extcmd == 2) {
		3117	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3118	} elsif ($self->extcmd == 1) { # TODO: remove
		3119	push @msg, msgtype => "event_$type";
		3120	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3121	}
		3122	}
		3123
		3124	=item $client->ext_reply ($msgid, @msg)
		3125
		3126	Sends an ext reply to the client.
		3127
		3128	=cut
		3129
		3130	sub cf::client::ext_reply($$@) {
		3131	my ($self, $id, @msg) = @_;
		3132
		3133	if ($self->extcmd == 2) {
		3134	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3135	} elsif ($self->extcmd == 1) {
		3136	#TODO: version 1, remove
		3137	unshift @msg, msgtype => "reply", msgid => $id;
		3138	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3139	}
		3140	}
1978		3141
1979	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
1980		3143
1981	Queues a query to the client, calling the given callback with	3144	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>,	3145	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>.	3146	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3147
1985	Queries can fail, so check the return code. Or don't, as queries will become	3148	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3149	become reliable at some point in the future.
1987		3150
1988	=cut	3151	=cut
1989		3152
1990	sub cf::client::query {	3153	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3162	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3164
2002	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
2004	}	3169	}
2005		3170
2006	cf::client->attach (	3171	cf::client->attach (
		3172	on_connect => sub {
		3173	my ($ns) = @_;
		3174
		3175	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3176	},
2007	on_reply => sub {	3177	on_reply => sub {
2008	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
2009		3179
2010	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
2011	# get handled first	3181	# get handled first
…		…
2023	} else {	3193	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3195	}
2026	}	3196	}
2027	},	3197	},
		3198	on_exticmd => sub {
		3199	my ($ns, $buf) = @_;
		3200
		3201	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3202
		3203	if (ref $msg) {
		3204	my ($type, $reply, @payload) =
		3205	"ARRAY" eq ref $msg
		3206	? @$msg
		3207	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3208
		3209	my @reply;
		3210
		3211	if (my $cb = $EXTICMD{$type}) {
		3212	@reply = $cb->($ns, @payload);
		3213	}
		3214
		3215	$ns->ext_reply ($reply, @reply)
		3216	if $reply;
		3217
		3218	} else {
		3219	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3220	}
		3221
		3222	cf::override;
		3223	},
2028	);	3224	);
2029		3225
2030	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
2031		3227
2032	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3244
2049	$coro	3245	$coro
2050	}	3246	}
2051		3247
2052	cf::client->attach (	3248	cf::client->attach (
2053	on_destroy => sub {	3249	on_client_destroy => sub {
2054	my ($ns) = @_;	3250	my ($ns) = @_;
2055		3251
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3253	},
2058	);	3254	);
…		…
2073	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2075		3271
2076	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2077		3273
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3274	$safe->permit_only (Opcode::opset qw(
		3275	:base_core :base_mem :base_orig :base_math :base_loop
		3276	grepstart grepwhile mapstart mapwhile
		3277	sort time
		3278	));
2079		3279
2080	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2081		3281
2082	=pod	3282	=pod
2083		3283
2084	The following fucntions and emthods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2085		3285
2086	cf::object contr pay_amount pay_player map	3286	cf::object
		3287	contr pay_amount pay_player map x y force_find force_add destroy
		3288	insert remove name archname title slaying race decrease split
		3289	value
		3290
2087	cf::object::player player	3291	cf::object::player
2088	cf::player peaceful	3292	player
2089	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2090		3299
2091	=cut	3300	=cut
2092		3301
2093	for (	3302	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3303	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3304	insert remove inv nrof name archname title slaying race
		3305	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2098	) {	3309	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3312	for @funs;
2103	}	3313	}
2104		3314
…		…
2119		3329
2120	my $qcode = $code;	3330	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2123		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2124	local $_;	3337	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3338
2127	my $eval =	3339	my $eval =
2128	"do {\n"	3340	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3343	. $code
2132	. "\n}"	3344	. "\n}"
2133	;	3345	;
2134		3346
		3347	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3351	sub_generation_inc;
		3352	} else {
		3353	local @cf::_safe_eval_args = values %vars;
		3354	@res = wantarray ? eval eval : scalar eval $eval;
		3355	}
2138		3356
2139	if ($@) {	3357	if ($@) {
2140	warn "$@";	3358	warn "$@",
2141	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2143	}	3361	}
2144		3362
2145	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2146	}	3364	}
2147		3365
…		…
2161	=cut	3379	=cut
2162		3380
2163	sub register_script_function {	3381	sub register_script_function {
2164	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2165		3383
2166	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2168	}	3386	}
2169		3387
2170	=back	3388	=back
2171		3389
2172	=cut	3390	=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]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3391
2282	#############################################################################	3392	#############################################################################
2283	# the server's init and main functions	3393	# the server's init and main functions
2284		3394
		3395	sub load_facedata($) {
		3396	my ($path) = @_;
		3397
		3398	# HACK to clear player env face cache, we need some signal framework
		3399	# for this (global event?)
		3400	%ext::player_env::MUSIC_FACE_CACHE = ();
		3401
		3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3403
		3404	trace "loading facedata from $path\n";
		3405
		3406	0 < aio_load $path, my $facedata
		3407	or die "$path: $!";
		3408
		3409	$facedata = Coro::Storable::thaw $facedata;
		3410
		3411	$facedata->{version} == 2
		3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3413
		3414	# patch in the exptable
		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3416	$facedata->{resource}{"res/exp_table"} = {
		3417	type => FT_RSRC,
		3418	data => $exp_table,
		3419	hash => (Digest::MD5::md5 $exp_table),
		3420	};
		3421	cf::cede_to_tick;
		3422
		3423	{
		3424	my $faces = $facedata->{faceinfo};
		3425
		3426	while (my ($face, $info) = each %$faces) {
		3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3428
		3429	cf::face::set_visibility $idx, $info->{visibility};
		3430	cf::face::set_magicmap $idx, $info->{magicmap};
		3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3434
		3435	cf::cede_to_tick;
		3436	}
		3437
		3438	while (my ($face, $info) = each %$faces) {
		3439	next unless $info->{smooth};
		3440
		3441	my $idx = cf::face::find $face
		3442	or next;
		3443
		3444	if (my $smooth = cf::face::find $info->{smooth}) {
		3445	cf::face::set_smooth $idx, $smooth;
		3446	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3447	} else {
		3448	error "smooth face '$info->{smooth}' not found for face '$face'";
		3449	}
		3450
		3451	cf::cede_to_tick;
		3452	}
		3453	}
		3454
		3455	{
		3456	my $anims = $facedata->{animinfo};
		3457
		3458	while (my ($anim, $info) = each %$anims) {
		3459	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3460	cf::cede_to_tick;
		3461	}
		3462
		3463	cf::anim::invalidate_all; # d'oh
		3464	}
		3465
		3466	{
		3467	my $res = $facedata->{resource};
		3468
		3469	while (my ($name, $info) = each %$res) {
		3470	if (defined $info->{type}) {
		3471	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3472
		3473	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3474	cf::face::set_type $idx, $info->{type};
		3475	} else {
		3476	$RESOURCE{$name} = $info; # unused
		3477	}
		3478
		3479	cf::cede_to_tick;
		3480	}
		3481	}
		3482
		3483	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3484
		3485	1
		3486	}
		3487
		3488	register_exticmd fx_want => sub {
		3489	my ($ns, $want) = @_;
		3490
		3491	while (my ($k, $v) = each %$want) {
		3492	$ns->fx_want ($k, $v);
		3493	}
		3494	};
		3495
2285	sub load_resources {	3496	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3497	my $guard = lock_acquire "load_resource_file";
		3498
		3499	my $status = load_resource_file_ $_[0];
		3500	get_slot 0.1, 100;
		3501	cf::arch::commit_load;
		3502
		3503	$status
		3504	}
		3505
		3506	sub reload_regions {
		3507	# HACK to clear player env face cache, we need some signal framework
		3508	# for this (global event?)
		3509	%ext::player_env::MUSIC_FACE_CACHE = ();
		3510
		3511	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3512	or die "unable to load regions file\n";
2288	}
2289		3513
2290	sub cfg_load {	3514	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3515	$_->{match} = qr/$_->{match}/
2292	or return;	3516	if exists $_->{match};
		3517	}
		3518	}
2293		3519
2294	local $/;	3520	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3521	load_facedata "$DATADIR/facedata"
		3522	or die "unable to load facedata\n";
		3523	}
2296		3524
		3525	sub reload_archetypes {
		3526	load_resource_file "$DATADIR/archetypes"
		3527	or die "unable to load archetypes\n";
		3528	}
		3529
		3530	sub reload_treasures {
		3531	load_resource_file "$DATADIR/treasures"
		3532	or die "unable to load treasurelists\n";
		3533	}
		3534
		3535	sub reload_sound {
		3536	trace "loading sound config from $DATADIR/sound\n";
		3537
		3538	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3539	or die "$DATADIR/sound $!";
		3540
		3541	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3542
		3543	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3544	my $sound = $soundconf->{compat}[$_]
		3545	or next;
		3546
		3547	my $face = cf::face::find "sound/$sound->[1]";
		3548	cf::sound::set $sound->[0] => $face;
		3549	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3550	}
		3551
		3552	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3553	my $face = cf::face::find "sound/$v";
		3554	cf::sound::set $k => $face;
		3555	}
		3556	}
		3557
		3558	sub reload_resources {
		3559	trace "reloading resource files...\n";
		3560
		3561	reload_exp_table;
		3562	reload_materials;
		3563	reload_facedata;
		3564	reload_sound;
		3565	reload_archetypes;
		3566	reload_regions;
		3567	reload_treasures;
		3568
		3569	trace "finished reloading resource files\n";
		3570	}
		3571
		3572	sub reload_config {
		3573	trace "reloading config file...\n";
		3574
		3575	0 < aio_load "$CONFDIR/config", my $config
		3576	or die "$CONFDIR/config: $!";
		3577
		3578	utf8::decode $config;
		3579	*CFG = yaml_load $config;
		3580
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3582
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3583	$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};	3584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3585
2302	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2306	};	3590	};
2307	warn $@ if $@;	3591	warn $@ if $@;
2308	}	3592	}
2309	}	3593	}
2310		3594
2311	sub init {	3595	sub pidfile() {
2312	load_resources;	3596	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3597	or die "$PIDFILE: $!";
		3598	flock $fh, &Fcntl::LOCK_EX
		3599	or die "$PIDFILE: flock: $!";
		3600	$fh
		3601	}
		3602
		3603	# make sure only one server instance is running at any one time
		3604	sub atomic {
		3605	my $fh = pidfile;
		3606
		3607	my $pid = <$fh>;
		3608	kill 9, $pid if $pid > 0;
		3609
		3610	seek $fh, 0, 0;
		3611	print $fh $$;
		3612	}
		3613
		3614	sub main_loop {
		3615	trace "EV::loop starting\n";
		3616	if (1) {
		3617	EV::loop;
		3618	}
		3619	trace "EV::loop returned\n";
		3620	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3621	}
2314		3622
2315	sub main {	3623	sub main {
		3624	cf::init_globals; # initialise logging
		3625
		3626	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3627	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3628	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3629	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3630
		3631	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3632
2316	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3635	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3636	(async {
2320	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2322	};	3640	};
2323		3641
2324	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3643
		3644	cf::sync_job {
		3645	cf::incloader::init ();
		3646
		3647	cf::init_anim;
		3648	cf::init_attackmess;
		3649	cf::init_dynamic;
		3650
		3651	cf::load_settings;
		3652
		3653	reload_resources;
		3654	reload_config;
		3655	db_init;
		3656
		3657	cf::init_uuid;
		3658	cf::init_signals;
		3659	cf::init_skills;
		3660
		3661	cf::init_beforeplay;
		3662
		3663	atomic;
		3664
2326	load_extensions;	3665	load_extensions;
2327		3666
2328	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3668
		3669	# no (long-running) fork's whatsoever before this point(!)
		3670	use POSIX ();
		3671	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3672
		3673	cf::_post_init 0;
		3674	};
		3675
		3676	cf::object::thawer::errors_are_fatal 0;
		3677	info "parse errors in files are no longer fatal from this point on.\n";
		3678
		3679	my $free_main; $free_main = EV::idle sub {
		3680	undef $free_main;
		3681	undef &main; # free gobs of memory :)
		3682	};
		3683
		3684	goto &main_loop;
2330	}	3685	}
2331		3686
2332	#############################################################################	3687	#############################################################################
2333	# initialisation and cleanup	3688	# initialisation and cleanup
2334		3689
2335	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2336	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3694	$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";	3695	cf::cleanup "SIG$signal";
2345	},
2346	);	3696	};
		3697	}
		3698	}
		3699
		3700	sub write_runtime_sync {
		3701	my $t0 = AE::time;
		3702
		3703	# first touch the runtime file to show we are still running:
		3704	# the fsync below can take a very very long time.
		3705
		3706	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3707
		3708	my $guard = cf::lock_acquire "write_runtime";
		3709
		3710	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3711	or return;
		3712
		3713	my $value = $cf::RUNTIME + 90 + 10;
		3714	# 10 is the runtime save interval, for a monotonic clock
		3715	# 60 allows for the watchdog to kill the server.
		3716
		3717	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3718	and return;
		3719
		3720	# always fsync - this file is important
		3721	aio_fsync $fh
		3722	and return;
		3723
		3724	# touch it again to show we are up-to-date
		3725	aio_utime $fh, undef, undef;
		3726
		3727	close $fh
		3728	or return;
		3729
		3730	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3731	and return;
		3732
		3733	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3734
2347	}	3735	1
		3736	}
		3737
		3738	our $uuid_lock;
		3739	our $uuid_skip;
		3740
		3741	sub write_uuid_sync($) {
		3742	$uuid_skip ||= $_[0];
		3743
		3744	return if $uuid_lock;
		3745	local $uuid_lock = 1;
		3746
		3747	my $uuid = "$LOCALDIR/uuid";
		3748
		3749	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3750	or return;
		3751
		3752	my $value = uuid_seq uuid_cur;
		3753
		3754	unless ($value) {
		3755	info "cowardly refusing to write zero uuid value!\n";
		3756	return;
		3757	}
		3758
		3759	my $value = uuid_str $value + $uuid_skip;
		3760	$uuid_skip = 0;
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	close $fh
		3770	or return;
		3771
		3772	aio_rename "$uuid~", $uuid
		3773	and return;
		3774
		3775	trace "uuid file written ($value).\n";
		3776
		3777	1
		3778
		3779	}
		3780
		3781	sub write_uuid($$) {
		3782	my ($skip, $sync) = @_;
		3783
		3784	$sync ? write_uuid_sync $skip
		3785	: async { write_uuid_sync $skip };
2348	}	3786	}
2349		3787
2350	sub emergency_save() {	3788	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2352		3790
2353	warn "enter emergency perl save\n";	3791	info "emergency_perl_save: enter\n";
		3792
		3793	# this is a trade-off: we want to be very quick here, so
		3794	# save all maps without fsync, and later call a global sync
		3795	# (which in turn might be very very slow)
		3796	local $USE_FSYNC = 0;
2354		3797
2355	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2356	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3809	$pl->save;
2364	}	3810	}
2365	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2366		3812
2367	warn "begin emergency map save\n";	3813	cf::write_runtime_sync; # external watchdog should not bark
		3814
		3815	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3818	$map->valid or next;
2371	$map->save;	3819	$map->save;
2372	}	3820	}
2373	warn "end emergency map save\n";	3821	info "emergency_perl_save: end map save\n";
		3822
		3823	cf::write_runtime_sync; # external watchdog should not bark
		3824
		3825	info "emergency_perl_save: begin database checkpoint\n";
		3826	BDB::db_env_txn_checkpoint $DB_ENV;
		3827	info "emergency_perl_save: end database checkpoint\n";
		3828
		3829	info "emergency_perl_save: begin write uuid\n";
		3830	write_uuid_sync 1;
		3831	info "emergency_perl_save: end write uuid\n";
		3832
		3833	cf::write_runtime_sync; # external watchdog should not bark
		3834
		3835	trace "emergency_perl_save: syncing database to disk";
		3836	BDB::db_env_txn_checkpoint $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2374	};	3851	};
2375		3852
2376	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2377	}	3854	}
2378		3855
		3856	sub post_cleanup {
		3857	my ($make_core) = @_;
		3858
		3859	IO::AIO::flush;
		3860
		3861	error Carp::longmess "post_cleanup backtrace"
		3862	if $make_core;
		3863
		3864	my $fh = pidfile;
		3865	unlink $PIDFILE if <$fh> == $$;
		3866	}
		3867
		3868	# a safer delete_package, copied from Symbol
		3869	sub clear_package($) {
		3870	my $pkg = shift;
		3871
		3872	# expand to full symbol table name if needed
		3873	unless ($pkg =~ /^main::.*::$/) {
		3874	$pkg = "main$pkg" if $pkg =~ /^::/;
		3875	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3876	$pkg .= '::' unless $pkg =~ /::$/;
		3877	}
		3878
		3879	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3880	my $stem_symtab = *{$stem}{HASH};
		3881
		3882	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3883	or return;
		3884
		3885	# clear all symbols
		3886	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3887	for my $name (keys %$leaf_symtab) {
		3888	_gv_clear *{"$pkg$name"};
		3889	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3890	}
		3891	}
		3892
2379	sub reload() {	3893	sub do_reload_perl() {
2380	# can/must only be called in main	3894	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2382	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2383	return;	3897	return;
2384	}	3898	}
2385		3899
2386	warn "reloading...";	3900	return if $RELOAD++;
2387		3901
2388	warn "cancelling server ticker";	3902	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		3903
		3904	while ($RELOAD) {
		3905	cf::get_slot 0.1, -1, "reload_perl";
		3906	info "perl_reload: reloading...";
		3907
		3908	trace "perl_reload: entering sync_job";
		3909
		3910	cf::sync_job {
2391	cf::emergency_save;	3911	#cf::emergency_save;
2392		3912
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";	3913	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3915	%EXT_CORO = ();
2415		3916
2416	warn "removing commands";	3917	trace "perl_reload: removing commands";
2417	%COMMAND = ();	3918	%COMMAND = ();
2418		3919
2419	warn "removing ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2421		3923
2422	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2425		3927
2426	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2427	eval {	3929	eval {
2428	$cb->($pkg);	3930	$cb->($pkg);
2429	1	3931	1
2430	} or warn "$pkg unloaded, but with errors: $@";	3932	} or error "$pkg unloaded, but with errors: $@";
		3933	}
		3934
		3935	trace "... clearing $pkg";
		3936	clear_package $pkg;
2431	}	3937	}
2432		3938
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3942
2441	warn "... unloading $k";	3943	trace "... unloading $k";
2442	delete $INC{$k};	3944	delete $INC{$k};
2443		3945
2444	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2446		3948
2447	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2449	}	3954	}
2450		3955
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3958	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3959
2458	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
		3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		3963
2461	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3965	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2464		3967
2465	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2466		3969
2467	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2468	require cf;	3971	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2470		3973
2471	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	3975	cf::reload_config;
2473	cf::db_load;
2474		3976
2475	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	3978	cf::load_extensions;
2477		3979
		3980	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	3982	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
		3985	trace "perl_reload: reattaching attachments to players";
		3986	reattach $_ for values %PLAYER;
		3987	}
2482		3988
2483	warn "loading reloadable resources";	3989	cf::_post_init 1;
2484	load_resources;
2485		3990
2486	warn "restarting server ticker";	3991	trace "perl_reload: leaving sync_job";
2487		3992
2488	$TICK_WATCHER->start;	3993	1
		3994	} or do {
		3995	error $@;
		3996	cf::cleanup "perl_reload: error, exiting.";
		3997	};
		3998
		3999	--$RELOAD;
		4000	}
		4001
		4002	$t1 = AE::time - $t1;
		4003	info "perl_reload: completed in ${t1}s\n";
		4004	};
		4005
		4006	our $RELOAD_WATCHER; # used only during reload
		4007
		4008	sub reload_perl() {
		4009	# doing reload synchronously and two reloads happen back-to-back,
		4010	# coro crashes during coro_state_free->destroy here.
		4011
		4012	$RELOAD_WATCHER ||= cf::async {
		4013	Coro::AIO::aio_wait cache_extensions;
		4014
		4015	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4016	do_reload_perl;
		4017	undef $RELOAD_WATCHER;
		4018	};
2489	};	4019	};
2490		4020	}
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		4021
2502	register_command "reload" => sub {	4022	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2504		4024
2505	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
2507		4027	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4028	$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;	4029	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4030	};
2520	}	4031	}
2521	};	4032	};
2522		4033
2523	unshift @INC, $LIBDIR;	4034	#############################################################################
2524		4035
2525	my $bug_warning = 0;	4036	my $bug_warning = 0;
2526		4037
2527	$TICK_WATCHER = Event->timer (	4038	our @WAIT_FOR_TICK;
2528	reentrant => 0,	4039	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	4040
2530	prio => 0,	4041	sub wait_for_tick() {
2531	at => $NEXT_TICK || $TICK,	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	4043
2533	cb => sub {	4044	my $signal = new Coro::Signal;
		4045	push @WAIT_FOR_TICK, $signal;
		4046	$signal->wait;
		4047	}
		4048
		4049	sub wait_for_tick_begin() {
		4050	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4051
		4052	my $signal = new Coro::Signal;
		4053	push @WAIT_FOR_TICK_BEGIN, $signal;
		4054	$signal->wait;
		4055	}
		4056
		4057	sub tick {
2534	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
2537	return;	4061	return;
2538	}	4062	}
2539		4063
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		4065
2546	$WAIT_FOR_TICK->broadcast;	4066	#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		4067
2549	Event::sweep;	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2550	Coro::cede_notself;	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4070	Coro::async_pool {
		4071	$Coro::current->{desc} = "runtime saver";
		4072	write_runtime_sync
		4073	or error "ERROR: unable to write runtime file: $!";
		4074	};
		4075	}
		4076
		4077	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4078	$sig->send;
		4079	}
		4080	while (my $sig = shift @WAIT_FOR_TICK) {
		4081	$sig->send;
		4082	}
		4083
		4084	$LOAD = ($NOW - $TICK_START) / $TICK;
		4085	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4086
		4087	if (0) {
		4088	if ($NEXT_TICK) {
		4089	my $jitter = $TICK_START - $NEXT_TICK;
		4090	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4091	debug "jitter $JITTER\n";#d#
2551		4092	}
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	},	4093	}
2561	);	4094	}
2562		4095
2563	{	4096	{
2564	BDB::max_poll_time $TICK * 0.1;	4097	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4098
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;	4099	BDB::min_parallel 16;
2574		4100	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4101	$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		4102
2590	unless ($DB_ENV) {	4103	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4104	$DB_ENV = BDB::db_env_create;
		4105	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4106	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4107	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4108	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4109	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4110
2593	cf::sync_job {	4111	cf::sync_job {
		4112	eval {
2594	BDB::db_env_open	4113	BDB::db_env_open
2595	$DB_ENV,	4114	$DB_ENV,
2596	$BDB_ENV_DIR,	4115	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4118	0666;
2600		4119
2601	cf::cleanup "$!" if $!;	4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4121	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4122
2604	$DB_ENV->set_lk_detect;	4123	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4124	};
2606	}	4125	}
		4126
		4127	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4128	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4129	};
		4130	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4131	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4132	};
		4133	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4134	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4135	};
2607	}	4136	}
2608		4137
2609	{	4138	{
		4139	# configure IO::AIO
		4140
2610	IO::AIO::min_parallel 8;	4141	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4142	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4143	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	}	4144	}
2623		4145
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4146	our $_log_backtrace;
2625	reentrant => 0,	4147	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4148
2627	after => 1,	4149	sub _log_backtrace {
2628	interval => 10,	4150	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4151
2630	cb => Coro::unblock_sub {	4152	$msg =~ s/\n$//;
2631	write_runtime	4153
2632	or warn "ERROR: unable to write runtime file: $!";	4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4157	# limit the # of concurrent backtraces
		4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
		4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
		4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
		4165	my @bt = fork_call {
		4166	@addr = map { sprintf "%x", $_ } @addr;
		4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4169	or die "addr2line: $!";
		4170
		4171	my @funcs;
		4172	my @res = <$fh>;
		4173	chomp for @res;
		4174	while (@res) {
		4175	my ($func, $line) = splice @res, 0, 2, ();
		4176	push @funcs, "[$func] $line";
		4177	}
		4178
		4179	@funcs
		4180	};
		4181
		4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4184	LOG llevInfo, "[ABT] $_\n" for @bt;
		4185	--$_log_backtrace;
		4186	};
		4187	} else {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4190	}
2634	);	4191	}
		4192
		4193	# load additional modules
		4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
2635		4196
2636	END { cf::emergency_save }	4197	END { cf::emergency_save }
2637		4198
2638	1	4199	1
2639		4200

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