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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 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 3.4 ();	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 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	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" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	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
51	our $NEXT_TICK;	123	our $NEXT_TICK;
52	our $NOW;	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		132
54	our %CFG;	133	our %CFG;
55		134
56	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
58		138
59	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		142
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		155
70	binmode STDOUT;	156	binmode STDOUT;
71	binmode STDERR;	157	binmode STDERR;
72		158
73	# read virtual server time, if available	159	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
78	}	164	}
79		165
80	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	167
82	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		170
86	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
		172
		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::"} };
87		189
88	#############################################################################	190	#############################################################################
89		191
90	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
91		193
…		…
98	=item $cf::RUNTIME	200	=item $cf::RUNTIME
99		201
100	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
101	every server tick.	203	every server tick.
102		204
103	=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
104		208
105	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		213
108	=item $cf::NOW	214	=item $cf::NOW
109		215
110	The time of the last (current) server tick.	216	The time of the last (current) server tick.
111		217
112	=item $cf::TICK	218	=item $cf::TICK
113		219
114	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	232	=item %cf::CFG
117		233
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	235	from wherever your confdir points to.
120		236
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		238
123	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
124	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
125	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.
126	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.
127		259
128	=back	260	=back
129		261
130	=cut	262	=cut
131		263
132	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	271	my $msg = join "", @_;
135	utf8::encode $msg;
136		272
137	$msg .= "\n"	273	$msg .= "\n"
138	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
139		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
140	LOG llevError, $msg;	278	LOG llevWarn, $msg;
141	};	279	};
142	}	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	};
143		294
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		302
151	# 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
152	# within the Safe compartment.	304	# within the Safe compartment.
153	for my $pkg (qw(	305	for my $pkg (qw(
154	cf::global cf::attachable	306	cf::global cf::attachable
155	cf::object cf::object::player	307	cf::object cf::object::player
156	cf::client cf::player	308	cf::client cf::player
157	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
158	cf::map cf::party cf::region	311	cf::party cf::region
159	)) {	312	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	314	}
163		315
164	$Event::DIED = sub {	316	$EV::DIED = sub {
165	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
166	};	318	};
		319
		320	#############################################################################
167		321
168	=head2 UTILITY FUNCTIONS	322	=head2 UTILITY FUNCTIONS
169		323
170	=over 4	324	=over 4
171		325
…		…
190	$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;
191	$d	345	$d
192	} || "[unable to dump $_[0]: '$@']";	346	} || "[unable to dump $_[0]: '$@']";
193	}	347	}
194		348
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	349	=item $ref = cf::decode_json $json
198		350
199	Converts a JSON string into the corresponding perl data structure.	351	Converts a JSON string into the corresponding perl data structure.
200		352
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	353	=item $json = cf::encode_json $ref
209		354
210	Converts a perl data structure into its JSON representation.	355	Converts a perl data structure into its JSON representation.
211		356
212	=cut	357	=cut
213		358
214	sub to_json($) {	359	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	360
216	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	}
217	}	405	}
218		406
219	=item cf::lock_wait $string	407	=item cf::lock_wait $string
220		408
221	Wait until the given lock is available. See cf::lock_acquire.	409	Wait until the given lock is available. See cf::lock_acquire.
222		410
223	=item my $lock = cf::lock_acquire $string	411	=item my $lock = cf::lock_acquire $string
224		412
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	415	for example when the coroutine gets canceled), the lock is automatically
228	returned.	416	returned.
229		417
		418	Locks are *not* recursive, locking from the same coro twice results in a
		419	deadlocked coro.
		420
230	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
231	uses map_find and cf::map::load uses map_load).	422	uses map_find and cf::map::load uses map_load).
232		423
233	=cut	424	=item $locked = cf::lock_active $string
234		425
235	our %LOCK;	426	Return true if the lock is currently active, i.e. somebody has locked it.
		427
		428	=cut
		429
		430	our $LOCKS = new Coro::SemaphoreSet;
236		431
237	sub lock_wait($) {	432	sub lock_wait($) {
238	my ($key) = @_;	433	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	434	}
246		435
247	sub lock_acquire($) {	436	sub lock_acquire($) {
248	my ($key) = @_;	437	$LOCKS->guard ($_[0])
		438	}
249		439
250	# wait, to be sure we are not locked	440	sub lock_active($) {
251	lock_wait $key;	441	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	442	}
260		443
261	sub freeze_mainloop {	444	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	445	tick_inhibit_inc;
263		446
264	my $guard = Coro::guard {	447	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	448	}
266	$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($$) {
		458	my ($interval, $cb) = @_;
		459
		460	my $start = rand List::Util::min 180, $interval;
		461
		462	EV::periodic $start, $interval, 0, $cb
		463	}
		464
		465	=item cf::get_slot $time[, $priority[, $name]]
		466
		467	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		468	This call blocks and returns only when you have at least C<$time> seconds
		469	of cpu time till the next tick. The slot is only valid till the next cede.
		470
		471	The optional C<$name> can be used to identify the job to run. It might be
		472	used for statistical purposes and should identify the same time-class.
		473
		474	Useful for short background jobs.
		475
		476	=cut
		477
		478	our @SLOT_QUEUE;
		479	our $SLOT_QUEUE;
		480	our $SLOT_DECAY = 0.9;
		481
		482	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		483	$SLOT_QUEUE = Coro::async {
		484	$Coro::current->desc ("timeslot manager");
		485
		486	my $signal = new Coro::Signal;
		487	my $busy;
		488
		489	while () {
		490	next_job:
		491
		492	my $avail = cf::till_tick;
		493
		494	for (0 .. $#SLOT_QUEUE) {
		495	if ($SLOT_QUEUE[$_][0] <= $avail) {
		496	$busy = 0;
		497	my $job = splice @SLOT_QUEUE, $_, 1, ();
		498	$job->[2]->send;
		499	Coro::cede;
		500	goto next_job;
		501	} else {
		502	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		503	}
		504	}
		505
		506	if (@SLOT_QUEUE) {
		507	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		508	push @cf::WAIT_FOR_TICK, $signal;
		509	$signal->wait;
		510	} else {
		511	$busy = 0;
		512	Coro::schedule;
		513	}
267	};	514	}
268	$WRITE_RUNTIME_WATCHER->stop;	515	};
269	$TICK_WATCHER->stop;	516
270	$guard	517	sub get_slot($;$$) {
		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	$sig->wait;
271	}	530	}
272		531
273	=item cf::async { BLOCK }	532	=item cf::async { BLOCK }
274		533
275	Currently the same as Coro::async_pool, meaning you cannot use	534	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		539
281	BEGIN { *async = \&Coro::async_pool }	540	BEGIN { *async = \&Coro::async_pool }
282		541
283	=item cf::sync_job { BLOCK }	542	=item cf::sync_job { BLOCK }
284		543
285	The design of crossfire+ requires that the main coro ($Coro::main) is	544	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	545	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	546	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		547	acceptable.
288		548
289	If it must be done, put the blocking parts into C<sync_job>. This will run	549	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	550	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	551	server will be frozen during this time, so the block should either finish
292	fast or be very important.	552	fast or be very important.
…		…
294	=cut	554	=cut
295		555
296	sub sync_job(&) {	556	sub sync_job(&) {
297	my ($job) = @_;	557	my ($job) = @_;
298		558
299	if ($Coro::current == $Coro::main) {	559	if (in_main) {
		560	my $time = AE::time;
		561
300	# this is the main coro, too bad, we have to block	562	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	563	# till the operation succeeds, freezing the server :/
302		564
303	# TODO: use suspend/resume instead	565	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	566
305	my $freeze_guard = freeze_mainloop;	567	my $freeze_guard = freeze_mainloop;
306		568
307	my $busy = 1;	569	my $busy = 1;
308	my @res;	570	my @res;
309		571
310	(async {	572	(async {
		573	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	574	@res = eval { $job->() };
312	warn $@ if $@;	575	error $@ if $@;
313	undef $busy;	576	undef $busy;
314	})->prio (Coro::PRIO_MAX);	577	})->prio (Coro::PRIO_MAX);
315		578
316	while ($busy) {	579	while ($busy) {
317	Coro::cede or Event::one_event;	580	if (Coro::nready) {
		581	Coro::cede_notself;
		582	} else {
		583	EV::loop EV::LOOP_ONESHOT;
318	}	584	}
		585	}
		586
		587	my $time = AE::time - $time;
		588
		589	$TICK_START += $time; # do not account sync jobs to server load
319		590
320	wantarray ? @res : $res[0]	591	wantarray ? @res : $res[0]
321	} else {	592	} else {
322	# we are in another coroutine, how wonderful, everything just works	593	# we are in another coroutine, how wonderful, everything just works
323		594
…		…
343	$EXT_CORO{$coro+0} = $coro;	614	$EXT_CORO{$coro+0} = $coro;
344		615
345	$coro	616	$coro
346	}	617	}
347		618
348	sub write_runtime {	619	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		620
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	621	Executes the given code block with the given arguments in a seperate
352	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.
353		625
354	my $value = $cf::RUNTIME + 90 + 10;	626	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		627
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	628	sub post_fork {
359	and return;	629	reset_signals;
		630	}
360		631
361	aio_fsync $fh	632	sub fork_call(&@) {
362	and return;	633	my ($cb, @args) = @_;
363		634
364	close $fh	635	# we seemingly have to make a local copy of the whole thing,
365	or return;	636	# otherwise perl prematurely frees the stuff :/
		637	# TODO: investigate and fix (likely this will be rather laborious)
366		638
367	aio_rename "$runtime~", $runtime	639	my @res = Coro::Util::fork_eval {
368	and return;	640	cf::post_fork;
		641	&$cb
		642	} @args;
369		643
		644	wantarray ? @res : $res[-1]
		645	}
		646
		647	sub objinfo {
370	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 });
371	}	823	}
372		824
373	=back	825	=back
374		826
375	=cut	827	=cut
376		828
377	#############################################################################	829	#############################################################################
378		830
379	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
380		832
381	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
382	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")
383	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
384		836
385	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>
386	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
387	crossfire+).	839	Deliantra).
388		840
389	=over 4	841	=over 4
390		842
391	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
392		844
…		…
436	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
437		889
438	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
440		892
441	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
442	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.
443		895
444	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
445		897
446	=over 4	898	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	1007	$registry = $CB_TYPE[$object_type] ||= [];
556		1008
557	} elsif ($type eq "subtype") {	1009	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	1010	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	1011	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1012	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		1013
562	} elsif ($type eq "package") {	1014	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	1015	my $pkg = shift @arg;
564		1016
565	while (my ($name, $id) = each %cb_id) {	1017	while (my ($name, $id) = each %cb_id) {
…		…
570		1022
571	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1025
574	} elsif (ref $type) {	1026	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
576		1028
577	} else {	1029	} else {
578	shift @arg;	1030	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
580	}	1032	}
581	}	1033	}
582	}	1034	}
583		1035
584	sub _object_attach {	1036	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
595	}	1047	}
596		1048
597	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
598	} else {	1050	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1052	}
601		1053
602	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
603	}	1055	}
604		1056
…		…
606	if (ref $_[0]) {	1058	if (ref $_[0]) {
607	_object_attach @_;	1059	_object_attach @_;
608	} else {	1060	} else {
609	_attach shift->_attach_registry, @_;	1061	_attach shift->_attach_registry, @_;
610	}	1062	}
		1063	_recalc_want;
611	};	1064	};
612		1065
613	# all those should be optimised	1066	# all those should be optimised
614	sub cf::attachable::detach {	1067	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1068	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1071	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1072	reattach ($obj);
620	} else {	1073	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1074	Carp::croak "cannot, currently, detach class attachments";
622	}	1075	}
		1076	_recalc_want;
623	};	1077	};
624		1078
625	sub cf::attachable::attached {	1079	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1080	my ($obj, $name) = @_;
627		1081
…		…
642	";	1096	";
643	die if $@;	1097	die if $@;
644	}	1098	}
645		1099
646	our $override;	1100	our $override;
647	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?
648		1102
649	sub override {	1103	sub override {
650	$override = 1;	1104	$override = 1;
651	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
652	}	1106	}
653		1107
654	sub do_invoke {	1108	sub do_invoke {
655	my $event = shift;	1109	my $event = shift;
656	my $callbacks = shift;	1110	my $callbacks = shift;
657		1111
658	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
659		1113
660	local $override;	1114	local $override;
661		1115
662	for (@$callbacks) {	1116	for (@$callbacks) {
663	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
664		1118
665	if ($@) {	1119	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1121	override;
669	}	1122	}
670		1123
671	return 1 if $override;	1124	return 1 if $override;
672	}	1125	}
673		1126
674	0	1127	0
675	}	1128	}
676		1129
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1131
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1133
681	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
682		1135
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1139
687	=back	1140	=back
688		1141
689	=cut	1142	=cut
690		1143
691	#############################################################################	1144	#############################################################################
692	# 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, $ob2
		1187	}
693		1188
694	sub reattach {	1189	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1191	my ($obj) = @_;
697		1192
		1193	# no longer needed after getting rid of delete_package?
698	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
699		1195
700	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
701		1197
702	@$registry = ();	1198	@$registry = ();
703		1199
…		…
708	for (@$attach) {	1204	for (@$attach) {
709	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
711	}	1207	}
712	} else {	1208	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1210	}
715	}	1211	}
716	}	1212	}
717		1213
718	cf::attachable->attach (	1214	cf::attachable->attach (
719	prio => -1000000,	1215	prio => -1000000,
720	on_instantiate => sub {	1216	on_instantiate => sub {
721	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
722		1218
723	$data = from_json $data;	1219	$data = decode_json $data;
724		1220
725	for (@$data) {	1221	for (@$data) {
726	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
727		1223
728	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1240	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
746		1242
747	sync_job {	1243	sync_job {
748	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
751		1249
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1252	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
755	aio_fsync $fh;	1255	aio_fsync $fh;
		1256	}
756	close $fh;	1257	aio_close $fh;
757		1258
758	if (@$objs) {	1259	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1263	aio_write $fh, 0, (length $data), $data, 0;
		1264	if ($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;
763	aio_fsync $fh;	1266	aio_fsync $fh;
		1267	}
764	close $fh;	1268	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
766	}	1270	}
767	} else {	1271	} else {
768	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
769	}	1273	}
770		1274
771	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1279	} else {
773	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
774	}	1281	}
775	} else {	1282	} else {
776	aio_unlink $filename;	1283	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
778	}	1285	}
779	}	1286	};
780	}	1287	}
781		1288
782	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
784		1291
…		…
796	or return;	1303	or return;
797		1304
798	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
800	or return;	1307	or return;
		1308
801	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
802	}	1311	}
803		1312
		1313	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
806	return ($data, $av);	1318	($data, $av)
807	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
808		1326
809	#############################################################################	1327	#############################################################################
810	# command handling &c	1328	# command handling &c
811		1329
812	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1344	}
827		1345
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1347
830	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.
831		1353
832	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
833	called.	1355	called.
834		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
835	=cut	1368	=cut
836		1369
837	sub register_extcmd {	1370	sub register_extcmd {
838	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
839		1372
840	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
841	}	1374	}
842		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
843	cf::player->attach (	1384	cf::player->attach (
844	on_command => sub {	1385	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
846		1387
847	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
848	or return;	1389	or return;
849		1390
…		…
854	cf::override;	1395	cf::override;
855	},	1396	},
856	on_extcmd => sub {	1397	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
858		1399
859	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1401
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
867	} else {	1417	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1419	}
870		1420
871	cf::override;	1421	cf::override;
872	},	1422	},
873	);	1423	);
874		1424
		1425	# "readahead" all extensions
875	sub load_extension {	1426	sub cache_extensions {
876	my ($path) = @_;	1427	my $grp = IO::AIO::aio_group;
877		1428
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1430	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1432	}
903	die $@;
904	}	1433	};
905		1434
906	push @EXTS, $pkg;	1435	$grp
907	}	1436	}
908		1437
909	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
		1441	cf::sync_job {
		1442	my %todo;
		1443
910	for my $ext (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1445	next unless -r $path;
912	eval {	1446
913	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 $active;
		1509	}
914	1	1510	}
915	} or warn "$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	}
916	}	1521	};
917	}	1522	}
918		1523
919	#############################################################################	1524	#############################################################################
920		1525
		1526	=back
		1527
921	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
922		1529
923	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
924		1531
925	=cut	1532	=cut
926		1533
927	package cf::player;	1534	package cf::player;
928		1535
…		…
930		1537
931	=head3 cf::player	1538	=head3 cf::player
932		1539
933	=over 4	1540	=over 4
934		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
935	=item cf::player::find $login	1556	=item cf::player::find $login
936		1557
937	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
938		1559
939	=cut	1560	=cut
940		1561
941	sub playerdir($) {	1562	sub playerdir($) {
942	cf::localdir	1563	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1564	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1565	}
948		1566
949	sub path($) {	1567	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1568	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1569
952	(playerdir $login) . "/$login.pl"	1570	(playerdir $login) . "/playerdata"
953	}	1571	}
954		1572
955	sub find_active($) {	1573	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1574	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1575	and $cf::PLAYER{$_[0]}->active
…		…
960		1578
961	sub exists($) {	1579	sub exists($) {
962	my ($login) = @_;	1580	my ($login) = @_;
963		1581
964	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
966	}	1584	}
967		1585
968	sub find($) {	1586	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1588	my $login = $_[0];
971		1589
972	my $guard = cf::lock_acquire "user_find:$login";	1590	my $guard = cf::lock_acquire "user_find:$login";
973		1591
974	$cf::PLAYER{$_[0]} || do {	1592	$cf::PLAYER{$_[0]} || do {
975	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
976	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;
977	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
978	}	1609	}
979	}	1610	}
980	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($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	);
981		1625
982	sub save($) {	1626	sub save($) {
983	my ($pl) = @_;	1627	my ($pl) = @_;
984		1628
985	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
991		1635
992	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
994		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
995	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
996	Coro::cede;	1645	cf::cede_to_tick;
997	}	1646	}
998		1647
999	sub new($) {	1648	sub new($) {
1000	my ($login) = @_;	1649	my ($login) = @_;
1001		1650
…		…
1007	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1008		1657
1009	$self	1658	$self
1010	}	1659	}
1011		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
1012	=item $pl->quit_character	1671	=item $pl->quit_character
1013		1672
1014	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1016		1675
1017	=cut	1676	=cut
1018		1677
1019	sub quit_character {	1678	sub quit_character {
1020	my ($pl) = @_;	1679	my ($pl) = @_;
1021		1680
		1681	my $name = $pl->ob->name;
		1682
1022	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1023	$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
1024		1685
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1028	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1029		1694
1030	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1698	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1721	}
1037		1722
1038	=item cf::player::list_logins	1723	=item cf::player::list_logins
1039		1724
1040	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
1041	while and may block, so not sync_job-capable, ever.	1726	while and may block, so not sync_job-capable, ever.
1042		1727
1043	=cut	1728	=cut
1044		1729
1045	sub list_logins {	1730	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1731	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1732	or return [];
1048		1733
1049	my @logins;	1734	my @logins;
1050		1735
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1055		1746
1056	utf8::decode $login;	1747	utf8::decode $login;
1057	push @logins, $login;	1748	push @logins, $login;
1058	}	1749	}
1059		1750
1060	\@logins	1751	\@logins
1061	}	1752	}
1062		1753
1063	=item $player->maps	1754	=item $player->maps
1064		1755
		1756	=item cf::player::maps $login
		1757
1065	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1066	player. May block.	1759	player. May block.
1067		1760
1068	=cut	1761	=cut
1069		1762
1070	sub maps($) {	1763	sub maps($) {
1071	my ($pl) = @_;	1764	my ($pl) = @_;
		1765
		1766	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1767
1073	my $files = aio_readdir playerdir $pl	1768	my $files = aio_readdir playerdir $pl
1074	or return;	1769	or return;
1075		1770
1076	my @paths;	1771	my @paths;
…		…
1078	for (@$files) {	1773	for (@$files) {
1079	utf8::decode $_;	1774	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1775	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1776	next unless /^$PATH_SEP/o;
1082		1777
1083	s/\.map$//;	1778	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1779	}
1086		1780
1087	\@paths	1781	\@paths
1088	}	1782	}
1089		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1091		1789
1092	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1093		1791
1094	=cut	1792	=cut
1095		1793
1096	sub ext_reply($$$%) {	1794	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1098		1796
1099	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1798	}
1103		1799
1104	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	}
1105		1842
1106	=back	1843	=back
1107
1108		1844
1109	=head3 cf::map	1845	=head3 cf::map
1110		1846
1111	=over 4	1847	=over 4
1112		1848
…		…
1124	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1126		1862
1127	sub generate_random_map {	1863	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1129	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1130	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)
1143	}	1869	}
1144		1870
1145	=item cf::map->register ($regex, $prio)	1871	=item cf::map->register ($regex, $prio)
1146		1872
1147	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
…		…
1152		1878
1153	sub register {	1879	sub register {
1154	my (undef, $regex, $prio) = @_;	1880	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1881	my $pkg = caller;
1156		1882
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1884
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1886	}
1162		1887
1163	# also paths starting with '/'	1888	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1890
1166	sub thawer_merge {	1891	sub thawer_merge {
1167	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1168		1893
1169	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
1170	local $self->{path};	1895	local $self->{path};
1171	local $self->{load_path};	1896	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1897
1175	$self->SUPER::thawer_merge ($merge);	1898	$self->SUPER::thawer_merge ($merge);
1176	}	1899	}
1177		1900
1178	sub normalise {	1901	sub normalise {
1179	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
		1903
		1904	$path = "$path"; # make sure it's a string
		1905
		1906	$path =~ s/\.map$//;
1180		1907
1181	# map plan:	1908	# map plan:
1182	#	1909	#
1183	# /! non-realised random map exit (special hack!)	1910	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1911	# {... are special paths that are not being touched
…		…
1197	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1198	$path = "$base/$path";	1925	$path = "$base/$path";
1199	}	1926	}
1200		1927
1201	for ($path) {	1928	for ($path) {
1202	redo if s{//}{/};
1203	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1204	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1205	}	1931	}
1206		1932
1207	$path	1933	$path
…		…
1221	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1222	return $self;	1948	return $self;
1223	}	1949	}
1224	}	1950	}
1225		1951
1226	Carp::carp "unable to resolve path '$path'.";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1227	()	1953	()
1228	}	1954	}
1229		1955
1230	sub init {	1956	sub init {
1231	my ($self) = @_;	1957	my ($self) = @_;
…		…
1246		1972
1247	# the original (read-only) location	1973	# the original (read-only) location
1248	sub load_path {	1974	sub load_path {
1249	my ($self) = @_;	1975	my ($self) = @_;
1250		1976
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1977	"$MAPDIR/$self->{path}.map"
1252	}	1978	}
1253		1979
1254	# the temporary/swap location	1980	# the temporary/swap location
1255	sub save_path {	1981	sub save_path {
1256	my ($self) = @_;	1982	my ($self) = @_;
1257		1983
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1985	"$TMPDIR/$path.map"
1260	}	1986	}
1261		1987
1262	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1263	sub uniq_path {	1989	sub uniq_path {
1264	my ($self) = @_;	1990	my ($self) = @_;
1265		1991
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1993	"$UNIQUEDIR/$path"
1268	}	1994	}
1269		1995
1270	# and all this just because we cannot iterate over	1996	sub decay_objects {
1271	# all maps in C++...
1272	sub change_all_map_light {
1273	my ($change) = @_;	1997	my ($self) = @_;
1274		1998
1275	$_->change_map_light ($change)	1999	return if $self->{deny_reset};
1276	for grep $_->outdoor, values %cf::MAP;	2000
		2001	$self->do_decay_objects;
1277	}	2002	}
1278		2003
1279	sub unlink_save {	2004	sub unlink_save {
1280	my ($self) = @_;	2005	my ($self) = @_;
1281		2006
…		…
1286		2011
1287	sub load_header_from($) {	2012	sub load_header_from($) {
1288	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1289		2014
1290	utf8::encode $path;	2015	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1292	or return;	2017	or return;
1293		2018
1294	$self->_load_header ($path)	2019	$self->_load_header ($f)
1295	or return;	2020	or return;
1296		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
		2024
1297	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1298		2026
1299	1	2027	1
1300	}	2028	}
1301		2029
1302	sub load_orig {	2030	sub load_header_orig {
1303	my ($self) = @_;	2031	my ($self) = @_;
1304		2032
1305	$self->load_header_from ($self->load_path)	2033	$self->load_header_from ($self->load_path)
1306	}	2034	}
1307		2035
1308	sub load_temp {	2036	sub load_header_temp {
1309	my ($self) = @_;	2037	my ($self) = @_;
1310		2038
1311	$self->load_header_from ($self->save_path)	2039	$self->load_header_from ($self->save_path)
		2040	}
		2041
		2042	sub prepare_temp {
		2043	my ($self) = @_;
		2044
		2045	$self->last_access ((delete $self->{last_access})
		2046	|| $cf::RUNTIME); #d#
		2047	# safety
		2048	$self->{instantiate_time} = $cf::RUNTIME
		2049	if $self->{instantiate_time} > $cf::RUNTIME;
		2050	}
		2051
		2052	sub prepare_orig {
		2053	my ($self) = @_;
		2054
		2055	$self->{load_original} = 1;
		2056	$self->{instantiate_time} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058	$self->instantiate;
1312	}	2059	}
1313		2060
1314	sub load_header {	2061	sub load_header {
1315	my ($self) = @_;	2062	my ($self) = @_;
1316		2063
1317	if ($self->load_temp) {	2064	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	2065	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	2066	} else {
1324	$self->load_orig	2067	$self->load_header_orig
1325	or return;	2068	or return;
1326		2069	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	2070	}
		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;
1332		2077
1333	1	2078	1
1334	}	2079	}
1335		2080
1336	sub find;	2081	sub find;
1337	sub find {	2082	sub find {
1338	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1339		2084
		2085	cf::cede_to_tick;
		2086
1340	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1341		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1342	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1343		2091
1344	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1345	my $guard = cf::lock_acquire "map_find:$path";
1346	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1347	or return;	2094	or return;
1348		2095
1349	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1350		2097
1351	$map->load_header	2098	$map->load_header
1352	or return;	2099	or return;
1353		2100
1354	if ($map->should_reset) {	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	2102	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1357	$map->reset;	2106	$map->reset;
1358	undef $guard;
1359	$map = find $path	2107	return find $path;
1360	or return;
1361	}	2108	}
1362		2109
1363	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1364	}	2111	}
1365	}	2112	}
		2113
		2114	sub pre_load { }
		2115	#sub post_load { } # XS
1366		2116
1367	sub load {	2117	sub load {
1368	my ($self) = @_;	2118	my ($self) = @_;
1369		2119
		2120	local $self->{deny_reset} = 1; # loading can take a long time
		2121
1370	my $path = $self->{path};	2122	my $path = $self->{path};
		2123
		2124	{
1371	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1372		2126
		2127	return unless $self->valid;
1373	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1374		2129
1375	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1376		2131
1377	$self->alloc;	2132	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)	2133
		2134	$self->pre_load;
		2135	cf::cede_to_tick;
		2136
		2137	my $f = new_from_file cf::object::thawer $self->{load_path};
		2138	$f->skip_block;
		2139	$self->_load_objects ($f)
1379	or return;	2140	or return;
1380		2141
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1382	if delete $self->{load_original};	2143	if delete $self->{load_original};
1383		2144
1384	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;	2146	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1387	$self->clear_unique_items;	2149	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1389	}	2153	}
1390	}	2154	}
1391		2155
1392	Coro::cede;	2156	$f->resolve_delayed_derefs;
1393		2157
		2158	cf::cede_to_tick;
1394	# now do the right thing for maps	2159	# now do the right thing for maps
1395	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;
1402	$self->set_darkness_map;
1403	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	2162	unless $self->difficulty;
1405	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;
1406	$self->activate;	2170	$self->activate;
1407	}	2171	}
1408		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
1409	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1410	}	2177	}
1411		2178
		2179	$self->post_load;
		2180
		2181	1
		2182	}
		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
1412	sub customise_for {	2187	sub customise_for {
1413	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1414		2189
1415	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	2191	if $self->per_player;
1417		2192
		2193	# return find "?party/" . $ob->name . "/" . $self->{path}
		2194	# if $self->per_party;
		2195
1418	$self	2196	$self
1419	}	2197	}
1420		2198
1421	# 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
1422	sub load_diag {	2200	sub load_neighbours {
1423	my ($map) = @_;	2201	my ($map) = @_;
1424		2202
1425	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1426		2204
1427	for (0 .. 3) {	2205	for (0 .. 3) {
1428	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1429	or next;	2207	or next;
1430	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1431	or next;	2209	or next;
1432	$neigh->load;	2210	$neigh->load;
1433		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1436	}	2216	}
1437		2217
1438	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1439	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1440	or next;	2221	or next;
1441	$neigh->load;	2222	$neigh->load;
1442	}	2223	}
1443	}	2224	}
1444		2225
1445	sub find_sync {	2226	sub find_sync {
1446	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1447		2228
1448	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
1449	}	2233	}
1450		2234
1451	sub do_load_sync {	2235	sub do_load_sync {
1452	my ($map) = @_;	2236	my ($map) = @_;
1453		2237
1454	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;
1455	}	2242	}
1456		2243
1457	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1458	our $MAP_PREFETCHER = undef;	2245	our $MAP_PREFETCHER = undef;
1459		2246
1460	sub find_async {	2247	sub find_async {
1461	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1462		2249
1463	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1464		2251
1465	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1467	}	2254	}
1468		2255
1469	undef $MAP_PREFETCH{$path};	2256	$MAP_PREFETCH{$path} |= $load;
		2257
1470	$MAP_PREFETCHER ||= cf::async {	2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
1471	while (%MAP_PREFETCH) {	2261	while (%MAP_PREFETCH) {
1472	for my $path (keys %MAP_PREFETCH) {	2262	while (my ($k, $v) = each %MAP_PREFETCH) {
1473	my $map = find $path	2263	if (my $map = find $k) {
1474	or next;
1475	$map->load;	2264	$map->load if $v;
		2265	}
1476		2266
1477	delete $MAP_PREFETCH{$path};	2267	delete $MAP_PREFETCH{$k};
1478	}	2268	}
1479	}	2269	}
1480	undef $MAP_PREFETCHER;	2270	undef $MAP_PREFETCHER;
1481	};	2271	};
		2272	$MAP_PREFETCHER->prio (6);
1482		2273
1483	()	2274	()
1484	}	2275	}
1485		2276
		2277	# common code, used by both ->save and ->swapout
1486	sub save {	2278	sub _save {
1487	my ($self) = @_;	2279	my ($self) = @_;
1488
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
1490		2280
1491	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1492		2282
1493	return unless $self->dirty;	2283	return unless $self->dirty;
1494		2284
…		…
1500	return if $self->{deny_save};	2290	return if $self->{deny_save};
1501		2291
1502	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1503		2293
1504	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1506	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1507		2300
1508	if ($uniq) {	2301	if ($uniq) {
1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2304	} else {
1512	$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);
1513	}	2306	}
1514	}	2307	}
1515		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1516	sub swap_out {	2317	sub swap_out {
1517	my ($self) = @_;	2318	my ($self) = @_;
1518		2319
1519	# save first because save cedes
1520	$self->save;
1521
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1524	return if $self->players;	2324	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1526	return if $self->{deny_save};
1527		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
1528	$self->clear;	2335	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2336	}
1531		2337
1532	sub reset_at {	2338	sub reset_at {
1533	my ($self) = @_;	2339	my ($self) = @_;
1534		2340
1535	# TODO: safety, remove and allow resettable per-player maps	2341	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	2342	return 1e99 if $self->{deny_reset};
1538		2343
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	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;
1541		2346
…		…
1552	my ($self) = @_;	2357	my ($self) = @_;
1553		2358
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		2360
1556	return if $self->players;	2361	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		2362
1559	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	}
1560		2374
1561	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1562		2376
1563	$self->in_memory (cf::MAP_SWAPPED);	2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1564	$self->clear;	2379	$self->clear;
1565
1566	$_->clear_links_to ($self) for values %cf::MAP;
1567		2380
1568	$self->unlink_save;	2381	$self->unlink_save;
1569	$self->destroy;	2382	$self->destroy;
1570	}	2383	}
1571		2384
1572	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1573		2386
1574	sub nuke {	2387	sub nuke {
1575	my ($self) = @_;	2388	my ($self) = @_;
1576		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1577	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1578		2394
1579	$self->unlink_save;	2395	$self->unlink_save;
1580		2396
1581	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1582	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1583	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1584	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586		2402
1587	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1588		2405
1589	$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	]
1590	}	2443	}
1591		2444
1592	=item cf::map::unique_maps	2445	=item cf::map::unique_maps
1593		2446
1594	Returns an arrayref of paths of all shared maps that have	2447	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2448	instantiated unique items. May block.
1596		2449
1597	=cut	2450	=cut
1598		2451
1599	sub unique_maps() {	2452	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2453	[
1601	or return;	2454	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2455	utf8::decode $_;
1607	next if /\.pst$/;	2456	s/\.map$//; # TODO future compatibility hack
1608	next unless /^$PATH_SEP/o;	2457	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2458	? ()
		2459	: normalise $_
		2460	} @{ aio_readdir $UNIQUEDIR or [] }
		2461	]
		2462	}
1609		2463
		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) {
1610	s/\.map$//;	2485	s/\.map$// or next;
1611	push @paths, $_;	2486	utf8::decode $_;
1612	}	2487	push @maps, "$dir/$_";
		2488	}
1613		2489
1614	\@paths	2490	push @dirs, map "$dir/$_", @$dirs;
1615	}	2491	}
1616		2492
1617	package cf;	2493	\@maps
		2494	}
1618		2495
1619	=back	2496	=back
1620		2497
1621	=head3 cf::object	2498	=head3 cf::object
1622		2499
…		…
1626		2503
1627	=over 4	2504	=over 4
1628		2505
1629	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1630		2507
1631	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.
1632		2510
1633	=cut	2511	=cut
1634		2512
1635	sub inv_recursive_;	2513	sub inv_recursive_;
1636	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1639		2517
1640	sub inv_recursive {	2518	sub inv_recursive {
1641	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1642	}	2520	}
1643		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
1644	package cf;	2550	package cf;
1645		2551
1646	=back	2552	=back
1647		2553
1648	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1654	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>
1655	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
1656	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1657		2563
1658	=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	};
1659		2579
1660	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1661	# with dialog boxes.	2581	# with dialog boxes.
1662	#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
1663	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1665		2585
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2587
1668	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1670	} 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 {
1671	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1673	}	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 (@_);
1674	}	2613	}
1675		2614
1676	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1677		2616
1678	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1691		2630
1692	=item $player_object->enter_link	2631	=item $player_object->enter_link
1693		2632
1694	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}>).
1695		2634
1696	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.
1697	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.
1698		2639
1699	Will never block.	2640	Will never block.
1700		2641
1701	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1702		2643
…		…
1710	=cut	2651	=cut
1711		2652
1712	sub link_map {	2653	sub link_map {
1713	unless ($LINK_MAP) {	2654	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2655	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2656	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2657	$LINK_MAP->load;
1717	}	2658	}
1718		2659
1719	$LINK_MAP	2660	$LINK_MAP
1720	}	2661	}
…		…
1722	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1723	my ($self) = @_;	2664	my ($self) = @_;
1724		2665
1725	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1726		2667
		2668	++$self->{_link_recursion};
		2669
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2671
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2673	if $self->map && $self->map->{path} ne "{link}";
1731		2674
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1733	}	2676	}
1734		2677
1735	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
		2680
		2681	return unless $self->contr->active;
1737		2682
1738	my $link_pos = delete $self->{_link_pos};	2683	my $link_pos = delete $self->{_link_pos};
1739		2684
1740	unless ($map) {	2685	unless ($map) {
1741	# restore original map position	2686	# restore original map position
…		…
1752	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
1753	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
1754		2699
1755	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
1756	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
1757	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
1758		2703
1759	$map->load;	2704	$map->load;
1760	$map->load_diag;	2705	$map->load_neighbours;
1761		2706
1762	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
1763	$self->activate_recursive;	2714	$self->activate_recursive;
1764	$self->enter_map ($map, $x, $y);
1765	}
1766
1767	cf::player->attach (
1768	on_logout => sub {
1769	my ($pl) = @_;
1770
1771	# abort map switching before logout
1772	if ($pl->ob->{_link_pos}) {
1773	cf::sync_job {
1774	$pl->ob->leave_link
1775	};
1776	}
1777	},	2715	}
1778	on_login => sub {
1779	my ($pl) = @_;
1780		2716
1781	# try to abort aborted map switching on player login :)	2717	}
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798		2718
1799	=item $player_object->goto ($path, $x, $y)	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1800		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
1801	=cut	2730	=cut
		2731
		2732	our $GOTOGEN;
1802		2733
1803	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
1804	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;
1805		2745
1806	$self->enter_link;	2746	$self->enter_link;
1807		2747
1808	(async {	2748	(async {
1809	my $map = cf::map::find $path;	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
		2770	my $map = eval {
		2771	my $map = defined $path ? cf::map::find $path : undef;
		2772
		2773	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2774	$map = $map->customise_for ($self);
1811		2775	$map = $check->($map, $x, $y, $self) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2776	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2777	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	}
1816		2779
		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 $@;
		2786	}
		2787
		2788	if ($gen == $self->{_goto_generation}) {
		2789	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
		2791	}
		2792
		2793	$done->($self) if $done;
1818	})->prio (1);	2794	})->prio (1);
1819	}	2795	}
1820		2796
1821	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
1822		2798
…		…
1842	}	2818	}
1843		2819
1844	sub prepare_random_map {	2820	sub prepare_random_map {
1845	my ($exit) = @_;	2821	my ($exit) = @_;
1846		2822
1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1848
1849	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
1850	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
1851	# that depends on the exit object	2825	# that depends on the exit object
1852		2826
1853	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
1854		2828
1855	if ($exit->map) {	2829	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2830	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
1860	}	2836	}
1861		2837
1862	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
1863		2839
1864	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1865	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
1867		2843
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2846	undef $fh;
1871	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
1872		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
1873	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
1874	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
1875	}	2855	}
1876	}	2856	}
1877		2857
1878	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
…		…
1881	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
1882		2862
1883	$self->enter_link;	2863	$self->enter_link;
1884		2864
1885	(async {	2865	(async {
1886	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
1887	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
1888	prepare_random_map $exit	2875	prepare_random_map $exit
1889	if $exit->slaying eq "/!";	2876	if $exit->slaying eq "/!";
		2877	}
1890		2878
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2879	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
1893		2882
		2883	$self->goto ($map, $x, $y);
		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
1894	1;	2889	1
1895	}) {	2890	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
1897	. "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. "
1898	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2895
1901	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
1902	$self->leave_link;	2897	$self->leave_link;
1903	}	2898	}
1904	})->prio (1);	2899	})->prio (1);
1905	}	2900	}
1906		2901
…		…
1917		2912
1918	sub cf::client::send_drawinfo {	2913	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2914	my ($self, $text, $flags) = @_;
1920		2915
1921	utf8::encode $text;	2916	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2918	}
1924		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	}
1925		3141
1926	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
1927		3143
1928	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
1929	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>,
1930	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>.
1931		3147
1932	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
1933	reliable at some point in the future.	3149	become reliable at some point in the future.
1934		3150
1935	=cut	3151	=cut
1936		3152
1937	sub cf::client::query {	3153	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	3162	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		3164
1949	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
1951	}	3169	}
1952		3170
1953	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	},
1954	on_reply => sub {	3177	on_reply => sub {
1955	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
1956		3179
1957	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
1958	# get handled first	3181	# get handled first
1959	my $queue = delete $ns->{query_queue}	3182	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	3183	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		3184
1962	(shift @$queue)->[1]->($msg);	3185	(shift @$queue)->[1]->($msg);
		3186	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		3187
1964	push @{ $ns->{query_queue} }, @$queue;	3188	push @{ $ns->{query_queue} }, @$queue;
1965		3189
1966	if (@{ $ns->{query_queue} } == @$queue) {	3190	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	3191	if (@$queue) {
…		…
1969	} else {	3193	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	3195	}
1972	}	3196	}
1973	},	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	},
1974	);	3224	);
1975		3225
1976	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
1977		3227
1978	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994		3244
1995	$coro	3245	$coro
1996	}	3246	}
1997		3247
1998	cf::client->attach (	3248	cf::client->attach (
1999	on_destroy => sub {	3249	on_client_destroy => sub {
2000	my ($ns) = @_;	3250	my ($ns) = @_;
2001		3251
2002	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2003	},	3253	},
2004	);	3254	);
…		…
2019	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2020	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2021		3271
2022	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2023		3273
2024	$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	));
2025		3279
2026	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2027		3281
2028	=pod	3282	=pod
2029		3283
2030	The following fucntions and emthods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2031		3285
2032	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
2033	cf::object::player player	3291	cf::object::player
2034	cf::player peaceful	3292	player
2035	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2036		3299
2037	=cut	3300	=cut
2038		3301
2039	for (	3302	for (
2040	["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)],
2041	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2043	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2044	) {	3309	) {
2045	no strict 'refs';
2046	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2047	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2048	for @funs;	3312	for @funs;
2049	}	3313	}
2050		3314
…		…
2065		3329
2066	my $qcode = $code;	3330	my $qcode = $code;
2067	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2068	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2069		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2070	local $_;	3337	local $_;
2071	local @safe::cf::_safe_eval_args = values %vars;
2072		3338
2073	my $eval =	3339	my $eval =
2074	"do {\n"	3340	"do {\n"
2075	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2076	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2077	. $code	3343	. $code
2078	. "\n}"	3344	. "\n}"
2079	;	3345	;
2080		3346
		3347	if ($CFG{safe_eval}) {
2081	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2082	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2083	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	}
2084		3356
2085	if ($@) {	3357	if ($@) {
2086	warn "$@";	3358	warn "$@",
2087	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2088	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2089	}	3361	}
2090		3362
2091	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2092	}	3364	}
2093		3365
…		…
2107	=cut	3379	=cut
2108		3380
2109	sub register_script_function {	3381	sub register_script_function {
2110	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2111		3383
2112	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2113	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2114	}	3386	}
2115		3387
2116	=back	3388	=back
2117		3389
2118	=cut	3390	=cut
2119		3391
2120	#############################################################################	3392	#############################################################################
		3393	# the server's init and main functions
2121		3394
2122	=head2 EXTENSION DATABASE SUPPORT	3395	sub load_facedata($) {
		3396	my ($path) = @_;
2123		3397
2124	Crossfire maintains a very simple database for extension use. It can	3398	# HACK to clear player env face cache, we need some signal framework
2125	currently store anything that can be serialised using Storable, which	3399	# for this (global event?)
2126	excludes objects.	3400	%ext::player_env::MUSIC_FACE_CACHE = ();
2127		3401
2128	The parameter C<$family> should best start with the name of the extension	3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2129	using it, it should be unique.
2130		3403
2131	=over 4	3404	trace "loading facedata from $path\n";
2132		3405
2133	=item $hashref = cf::db_get $family	3406	0 < aio_load $path, my $facedata
		3407	or die "$path: $!";
2134		3408
2135	Return a hashref for use by the extension C<$family>, which can be	3409	$facedata = Coro::Storable::thaw $facedata;
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138		3410
2139	=item $value = cf::db_get $family => $key	3411	$facedata->{version} == 2
		3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140		3413
2141	Returns a single value from the database	3414	# patch in the exptable
2142		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2143	=item cf::db_put $family => $hashref	3416	$facedata->{resource}{"res/exp_table"} = {
2144		3417	type => FT_RSRC,
2145	Stores the given family hashref into the database. Updates are delayed, if	3418	data => $exp_table,
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3419	hash => (Digest::MD5::md5 $exp_table),
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}
2171
2172	my $pid;
2173
2174	sub db_save() {
2175	waitpid $pid, 0 if $pid;
2176	if (0 == ($pid = fork)) {
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});	3420	};
		3421	cf::cede_to_tick;
2194		3422
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}	3423	{
		3424	my $faces = $facedata->{faceinfo};
2199		3425
2200	sub db_get($;$) {	3426	while (my ($face, $info) = each %$faces) {
2201	@_ >= 2	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205		3428
2206	sub db_put($$;$) {	3429	cf::face::set_visibility $idx, $info->{visibility};
2207	if (@_ >= 3) {	3430	cf::face::set_magicmap $idx, $info->{magicmap};
2208	$DB->{$_[0]}{$_[1]} = $_[2];	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2209	} else {	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2210	$DB->{$_[0]} = $_[1];	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2211	}
2212	db_dirty;
2213	}
2214		3434
2215	cf::global->attach (	3435	cf::cede_to_tick;
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	3436	}
2220	);
2221	}
2222		3437
2223	#############################################################################	3438	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	3439	next unless $info->{smooth};
2225		3440
2226	sub cfg_load {	3441	my $idx = cf::face::find $face
2227	open my $fh, "<:utf8", cf::confdir . "/config"	3442	or next;
2228	or return;
2229		3443
2230	local $/;	3444	if (my $smooth = cf::face::find $info->{smooth}) {
2231	*CFG = YAML::Syck::Load <$fh>;	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	}
2232		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, $v);
		3493	}
		3494	};
		3495
		3496	sub load_resource_file($) {
		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"
		3512	or die "unable to load regions file\n";
		3513
		3514	for (cf::region::list) {
		3515	$_->{match} = qr/$_->{match}/
		3516	if exists $_->{match};
		3517	}
		3518	}
		3519
		3520	sub reload_facedata {
		3521	load_facedata "$DATADIR/facedata"
		3522	or die "unable to load facedata\n";
		3523	}
		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
2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2234		3582
2235	$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};
2236	$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};
2237		3585
2238	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2242	};	3590	};
2243	warn $@ if $@;	3591	warn $@ if $@;
2244	}	3592	}
2245	}	3593	}
2246		3594
		3595	sub pidfile() {
		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;
		3621	}
		3622
2247	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
2248	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2249	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2250	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#
2251	(async {	3636	(async {
2252	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2253	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2254	};	3640	};
2255		3641
2256	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
2257	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
2258	load_extensions;	3665	load_extensions;
2259		3666
2260	$TICK_WATCHER->start;	3667	utime time, time, $RUNTIMEFILE;
2261	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;
2262	}	3685	}
2263		3686
2264	#############################################################################	3687	#############################################################################
2265	# initialisation and cleanup	3688	# initialisation and cleanup
2266		3689
2267	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2268	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2275	},
2276	);	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
2277	}	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 };
2278	}	3786	}
2279		3787
2280	sub emergency_save() {	3788	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2282		3790
2283	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;
2284		3797
2285	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2286	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3809	$pl->save;
2294	}	3810	}
2295	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2296		3812
2297	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";
2298	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3818	$map->valid or next;
2301	$map->save;	3819	$map->save;
2302	}	3820	}
2303	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 $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2304	};	3851	};
2305		3852
2306	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2307	}	3854	}
2308		3855
		3856	sub post_cleanup {
		3857	my ($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
2309	sub reload() {	3893	sub do_reload_perl() {
2310	# can/must only be called in main	3894	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2312	warn "can only reload from main coroutine";	3896	error "can only reload from main coroutine";
2313	return;	3897	return;
2314	}	3898	}
2315		3899
2316	warn "reloading...";	3900	return if $RELOAD++;
2317		3901
2318	warn "cancelling server ticker";	3902	my $t1 = AE::time;
2319	$TICK_WATCHER->cancel;
2320		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 {
2321	cf::emergency_save;	3911	#cf::emergency_save;
2322		3912
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328
2329	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}
2333
2334	warn "flushing outstanding aio requests";
2335	for (;;) {
2336	IO::AIO::flush;
2337	Coro::cede;
2338	last unless IO::AIO::nreqs;
2339	warn "iterate...";
2340	}
2341
2342	warn "cancelling all extension coros";	3913	trace "perl_reload: cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	3915	%EXT_CORO = ();
2345		3916
2346	warn "removing commands";	3917	trace "perl_reload: removing commands";
2347	%COMMAND = ();	3918	%COMMAND = ();
2348		3919
2349	warn "removing ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2350	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2351		3923
2352	warn "unloading/nuking all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2355		3927
2356	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2357	eval {	3929	eval {
2358	$cb->($pkg);	3930	$cb->($pkg);
2359	1	3931	1
2360	} 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;
2361	}	3937	}
2362		3938
2363	warn "... nuking $pkg";
2364	Symbol::delete_package $pkg;
2365	}
2366
2367	warn "unloading all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2368	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2369	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2370		3942
2371	warn "... unloading $k";	3943	trace "... unloading $k";
2372	delete $INC{$k};	3944	delete $INC{$k};
2373		3945
2374	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2375	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2376		3948
2377	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2378	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2379	}	3954	}
2380		3955
2381	Symbol::delete_package $k;
2382	}
2383
2384	warn "getting rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2385	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2386	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);
2387		3959
2388	warn "unloading cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
		3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2390		3963
2391	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3965	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2394		3967
2395	warn "unload completed, starting to reload now";	3968	info "perl_reload: unload completed, starting to reload now";
2396		3969
2397	warn "reloading cf.pm";	3970	trace "perl_reload: reloading cf.pm";
2398	require cf;	3971	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2400		3973
2401	warn "loading config and database again";	3974	trace "perl_reload: loading config and database again";
2402	cf::cfg_load;	3975	cf::reload_config;
2403	cf::db_load;
2404		3976
2405	warn "loading extensions";	3977	trace "perl_reload: loading extensions";
2406	cf::load_extensions;	3978	cf::load_extensions;
2407		3979
		3980	if ($REATTACH_ON_RELOAD) {
2408	warn "reattaching attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2409	_global_reattach;	3982	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
		3985	trace "perl_reload: reattaching attachments to players";
		3986	reattach $_ for values %PLAYER;
		3987	}
2412		3988
2413	warn "restarting server ticker";	3989	cf::_post_init 1;
2414		3990
2415	$TICK_WATCHER->start;	3991	trace "perl_reload: leaving sync_job";
		3992
		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	};
2416	};	4019	};
2417		4020	}
2418	if ($@) {
2419	warn $@;
2420	warn "error while reloading, exiting.";
2421	exit 1;
2422	}
2423
2424	warn "reloaded";
2425	};
2426
2427	our $RELOAD_WATCHER; # used only during reload
2428		4021
2429	register_command "reload" => sub {	4022	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2431		4024
2432	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
2434		4027	async {
2435	# doing reload synchronously and two reloads happen back-to-back,	4028	$Coro::current->{desc} = "perl_reload";
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;	4029	reload_perl;
2440	undef $RELOAD_WATCHER;
2441	});	4030	};
2442	}	4031	}
2443	};	4032	};
2444		4033
2445	unshift @INC, $LIBDIR;	4034	#############################################################################
2446		4035
2447	my $bug_warning = 0;	4036	my $bug_warning = 0;
2448		4037
2449	$TICK_WATCHER = Event->timer (	4038	our @WAIT_FOR_TICK;
2450	reentrant => 0,	4039	our @WAIT_FOR_TICK_BEGIN;
2451	parked => 1,	4040
2452	prio => 0,	4041	sub wait_for_tick() {
2453	at => $NEXT_TICK || $TICK,	4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2454	data => WF_AUTOCANCEL,	4043
2455	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 {
2456	if ($Coro::current != $Coro::main) {	4058	if ($Coro::current != $Coro::main) {
2457	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"
2458	unless ++$bug_warning > 10;	4060	unless ++$bug_warning > 10;
2459	return;	4061	return;
2460	}	4062	}
2461		4063
2462	$NOW = Event::time;
2463
2464	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2465	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;
2467		4065
2468	$WAIT_FOR_TICK->broadcast;	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2470		4067
2471	# if we are delayed by four ticks or more, skip them all	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2473		4070	Coro::async_pool {
2474	$TICK_WATCHER->at ($NEXT_TICK);	4071	$Coro::current->{desc} = "runtime saver";
2475	$TICK_WATCHER->start;	4072	write_runtime_sync
		4073	or error "ERROR: unable to write runtime file: $!";
		4074	};
2476	},	4075	}
2477	);
2478		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#
		4092	}
		4093	}
		4094	}
		4095
		4096	{
		4097	# configure BDB
		4098
		4099	BDB::min_parallel 16;
		4100	BDB::max_poll_reqs $TICK * 0.1;
		4101	$AnyEvent::BDB::WATCHER->priority (1);
		4102
		4103	unless ($DB_ENV) {
		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);
		4110
		4111	cf::sync_job {
		4112	eval {
		4113	BDB::db_env_open
		4114	$DB_ENV,
		4115	$BDBDIR,
		4116	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4117	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4118	0666;
		4119
		4120	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4121	};
		4122
		4123	cf::cleanup "db_env_open(db): $@" if $@;
		4124	};
		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	};
		4136	}
		4137
		4138	{
		4139	# configure IO::AIO
		4140
		4141	IO::AIO::min_parallel 8;
2479	IO::AIO::max_poll_time $TICK * 0.2;	4142	IO::AIO::max_poll_time $TICK * 0.1;
		4143	undef $AnyEvent::AIO::WATCHER;
		4144	}
2480		4145
2481	$AIO_POLL_WATCHER = Event->io (	4146	our $_log_backtrace;
2482	fd => IO::AIO::poll_fileno,	4147	our $_log_backtrace_last;
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488		4148
2489	$WRITE_RUNTIME_WATCHER = Event->timer (	4149	sub _log_backtrace {
2490	data => WF_AUTOCANCEL,	4150	my ($msg, @addr) = @_;
2491	after => 1,	4151
2492	interval => 10,	4152	$msg =~ s/\n$//;
2493	prio => 6, # keep it lowest so it acts like a watchdog	4153
2494	cb => Coro::unblock_sub {	4154	if ($_log_backtrace_last eq $msg) {
2495	write_runtime	4155	LOG llevInfo, "[ABT] $msg\n";
2496	or warn "ERROR: unable to write runtime file: $!";	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] $msg\n";
		4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2497	},	4190	}
2498	);	4191	}
		4192
		4193	# load additional modules
		4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
2499		4196
2500	END { cf::emergency_save }	4197	END { cf::emergency_save }
2501		4198
2502	1	4199	1
2503		4200

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