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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.182 by root, Fri Jan 19 15:38:01 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 + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	626	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		627
358	aio_fsync $fh	628	sub post_fork {
359	and return;	629	reset_signals;
		630	}
360		631
361	close $fh	632	sub fork_call(&@) {
362	or return;	633	my ($cb, @args) = @_;
363		634
364	aio_rename "$runtime~", $runtime	635	# we seemingly have to make a local copy of the whole thing,
365	and return;	636	# otherwise perl prematurely frees the stuff :/
		637	# TODO: investigate and fix (likely this will be rather laborious)
366		638
		639	my @res = Coro::Util::fork_eval {
		640	cf::post_fork;
		641	&$cb
		642	} @args;
		643
		644	wantarray ? @res : $res[-1]
		645	}
		646
		647	sub objinfo {
367	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 });
368	}	823	}
369		824
370	=back	825	=back
371		826
372	=cut	827	=cut
373		828
374	#############################################################################	829	#############################################################################
375		830
376	=head2 ATTACHABLE OBJECTS	831	=head2 ATTACHABLE OBJECTS
377		832
378	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
379	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")
380	to it. All such attachable objects support the following methods.	835	to it. All such attachable objects support the following methods.
381		836
382	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>
383	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
384	crossfire+).	839	Deliantra).
385		840
386	=over 4	841	=over 4
387		842
388	=item $attachable->attach ($attachment, key => $value...)	843	=item $attachable->attach ($attachment, key => $value...)
389		844
…		…
433	=item cf::CLASS::attachment $name, ...	888	=item cf::CLASS::attachment $name, ...
434		889
435	Register an attachment by C<$name> through which attachable objects of the	890	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	891	given CLASS can refer to this attachment.
437		892
438	Some classes such as crossfire maps and objects can specify attachments	893	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		895
441	These calls expect any number of the following handler/hook descriptions:	896	These calls expect any number of the following handler/hook descriptions:
442		897
443	=over 4	898	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	1007	$registry = $CB_TYPE[$object_type] ||= [];
553		1008
554	} elsif ($type eq "subtype") {	1009	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	1010	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	1011	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1012	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		1013
559	} elsif ($type eq "package") {	1014	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	1015	my $pkg = shift @arg;
561		1016
562	while (my ($name, $id) = each %cb_id) {	1017	while (my ($name, $id) = each %cb_id) {
…		…
567		1022
568	} elsif (exists $cb_id{$type}) {	1023	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1024	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		1025
571	} elsif (ref $type) {	1026	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	1027	error "attaching objects not supported, ignoring.\n";
573		1028
574	} else {	1029	} else {
575	shift @arg;	1030	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	1031	error "attach argument '$type' not supported, ignoring.\n";
577	}	1032	}
578	}	1033	}
579	}	1034	}
580		1035
581	sub _object_attach {	1036	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1046	_attach $registry, $klass, @attach;
592	}	1047	}
593		1048
594	$obj->{$name} = \%arg;	1049	$obj->{$name} = \%arg;
595	} else {	1050	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1051	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1052	}
598		1053
599	$obj->{_attachment}{$name} = undef;	1054	$obj->{_attachment}{$name} = undef;
600	}	1055	}
601		1056
…		…
603	if (ref $_[0]) {	1058	if (ref $_[0]) {
604	_object_attach @_;	1059	_object_attach @_;
605	} else {	1060	} else {
606	_attach shift->_attach_registry, @_;	1061	_attach shift->_attach_registry, @_;
607	}	1062	}
		1063	_recalc_want;
608	};	1064	};
609		1065
610	# all those should be optimised	1066	# all those should be optimised
611	sub cf::attachable::detach {	1067	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1068	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1071	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1072	reattach ($obj);
617	} else {	1073	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1074	Carp::croak "cannot, currently, detach class attachments";
619	}	1075	}
		1076	_recalc_want;
620	};	1077	};
621		1078
622	sub cf::attachable::attached {	1079	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1080	my ($obj, $name) = @_;
624		1081
…		…
639	";	1096	";
640	die if $@;	1097	die if $@;
641	}	1098	}
642		1099
643	our $override;	1100	our $override;
644	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?
645		1102
646	sub override {	1103	sub override {
647	$override = 1;	1104	$override = 1;
648	@invoke_results = ();	1105	@INVOKE_RESULTS = (@_);
649	}	1106	}
650		1107
651	sub do_invoke {	1108	sub do_invoke {
652	my $event = shift;	1109	my $event = shift;
653	my $callbacks = shift;	1110	my $callbacks = shift;
654		1111
655	@invoke_results = ();	1112	@INVOKE_RESULTS = ();
656		1113
657	local $override;	1114	local $override;
658		1115
659	for (@$callbacks) {	1116	for (@$callbacks) {
660	eval { &{$_->[1]} };	1117	eval { &{$_->[1]} };
661		1118
662	if ($@) {	1119	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1120	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1121	override;
666	}	1122	}
667		1123
668	return 1 if $override;	1124	return 1 if $override;
669	}	1125	}
670		1126
671	0	1127	0
672	}	1128	}
673		1129
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1131
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1132	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1133
678	Generate an object-specific event with the given arguments.	1134	Generate an object-specific event with the given arguments.
679		1135
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1138	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1139
684	=back	1140	=back
685		1141
686	=cut	1142	=cut
687		1143
688	#############################################################################	1144	#############################################################################
689	# 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, $ob2
		1187	}
690		1188
691	sub reattach {	1189	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1190	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1191	my ($obj) = @_;
694		1192
		1193	# no longer needed after getting rid of delete_package?
695	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
696		1195
697	my $registry = $obj->registry;	1196	my $registry = $obj->registry;
698		1197
699	@$registry = ();	1198	@$registry = ();
700		1199
…		…
705	for (@$attach) {	1204	for (@$attach) {
706	my ($klass, @attach) = @$_;	1205	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1206	_attach $registry, $klass, @attach;
708	}	1207	}
709	} else {	1208	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1209	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1210	}
712	}	1211	}
713	}	1212	}
714		1213
715	cf::attachable->attach (	1214	cf::attachable->attach (
716	prio => -1000000,	1215	prio => -1000000,
717	on_instantiate => sub {	1216	on_instantiate => sub {
718	my ($obj, $data) = @_;	1217	my ($obj, $data) = @_;
719		1218
720	$data = from_json $data;	1219	$data = decode_json $data;
721		1220
722	for (@$data) {	1221	for (@$data) {
723	my ($name, $args) = @$_;	1222	my ($name, $args) = @$_;
724		1223
725	$obj->attach ($name, %{$args || {} });	1224	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1240	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1241	my ($filename, $rdata, $objs) = @_;
743		1242
744	sync_job {	1243	sync_job {
745	if (length $$rdata) {	1244	if (length $$rdata) {
		1245	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1246	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1247	$decname, length $$rdata, scalar @$objs
		1248	if $VERBOSE_IO;
748		1249
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1250	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1251	aio_chmod $fh, SAVE_MODE;
751	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;
752	aio_fsync $fh;	1255	aio_fsync $fh;
		1256	}
753	close $fh;	1257	aio_close $fh;
754		1258
755	if (@$objs) {	1259	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1261	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1262	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	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;
760	aio_fsync $fh;	1266	aio_fsync $fh;
		1267	}
761	close $fh;	1268	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1269	aio_rename "$filename.pst~", "$filename.pst";
763	}	1270	}
764	} else {	1271	} else {
765	aio_unlink "$filename.pst";	1272	aio_unlink "$filename.pst";
766	}	1273	}
767		1274
768	aio_rename "$filename~", $filename;	1275	aio_rename "$filename~", $filename;
		1276
		1277	$filename =~ s%/[^/]+$%%;
		1278	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1279	} else {
770	warn "FATAL: $filename~: $!\n";	1280	error "unable to save objects: $filename~: $!\n";
771	}	1281	}
772	} else {	1282	} else {
773	aio_unlink $filename;	1283	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1284	aio_unlink "$filename.pst";
775	}	1285	}
776	}	1286	};
777	}	1287	}
778		1288
779	sub object_freezer_as_string {	1289	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1290	my ($rdata, $objs) = @_;
781		1291
…		…
793	or return;	1303	or return;
794		1304
795	unless (aio_stat "$filename.pst") {	1305	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1306	(aio_load "$filename.pst", $av) >= 0
797	or return;	1307	or return;
		1308
798	$av = eval { (Storable::thaw $av)->{objs} };	1309	my $st = eval { Coro::Storable::thaw $av };
		1310	$av = $st->{objs};
799	}	1311	}
800		1312
		1313	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1314	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1315	$decname, length $data, scalar @{$av || []}
		1316	if $VERBOSE_IO;
		1317
803	return ($data, $av);	1318	($data, $av)
804	}	1319	}
		1320
		1321	=head2 COMMAND CALLBACKS
		1322
		1323	=over 4
		1324
		1325	=cut
805		1326
806	#############################################################################	1327	#############################################################################
807	# command handling &c	1328	# command handling &c
808		1329
809	=item cf::register_command $name => \&callback($ob,$args);	1330	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1343	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1344	}
824		1345
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1346	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1347
827	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.
828		1353
829	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
830	called.	1355	called.
831		1356
		1357	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1358
		1359	Register a callback for execution when the client sends an (asynchronous)
		1360	exticmd packet. Exti commands are processed by the server as soon as they
		1361	are received, i.e. out of order w.r.t. other commands. The first argument
		1362	is a client socket. Exti commands can be received anytime, even before
		1363	log-in.
		1364
		1365	If the callback returns something, it is sent back as if reply was being
		1366	called.
		1367
832	=cut	1368	=cut
833		1369
834	sub register_extcmd {	1370	sub register_extcmd {
835	my ($name, $cb) = @_;	1371	my ($name, $cb) = @_;
836		1372
837	$EXTCMD{$name} = $cb;	1373	$EXTCMD{$name} = $cb;
838	}	1374	}
839		1375
		1376	sub register_exticmd {
		1377	my ($name, $cb) = @_;
		1378
		1379	$EXTICMD{$name} = $cb;
		1380	}
		1381
		1382	use File::Glob ();
		1383
840	cf::player->attach (	1384	cf::player->attach (
841	on_command => sub {	1385	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1386	my ($pl, $name, $params) = @_;
843		1387
844	my $cb = $COMMAND{$name}	1388	my $cb = $COMMAND{$name}
845	or return;	1389	or return;
846		1390
…		…
851	cf::override;	1395	cf::override;
852	},	1396	},
853	on_extcmd => sub {	1397	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1398	my ($pl, $buf) = @_;
855		1399
856	my $msg = eval { from_json $buf };	1400	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1401
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1410	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1411	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1412	}
		1413
		1414	$pl->ext_reply ($reply, @reply)
		1415	if $reply;
		1416
864	} else {	1417	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1418	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1419	}
867		1420
868	cf::override;	1421	cf::override;
869	},	1422	},
870	);	1423	);
871		1424
		1425	# "readahead" all extensions
872	sub load_extension {	1426	sub cache_extensions {
873	my ($path) = @_;	1427	my $grp = IO::AIO::aio_group;
874		1428
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1429	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1430	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1431	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1432	}
900	die $@;
901	}	1433	};
902		1434
903	push @EXTS, $pkg;	1435	$grp
904	}	1436	}
905		1437
906	sub load_extensions {	1438	sub load_extensions {
		1439	info "loading extensions...";
		1440
		1441	cf::sync_job {
		1442	my %todo;
		1443
907	for my $ext (<$LIBDIR/*.ext>) {	1444	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1445	next unless -r $path;
909	eval {	1446
910	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 $active;
		1509	}
911	1	1510	}
912	} or warn "$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	}
913	}	1521	};
914	}	1522	}
915		1523
916	#############################################################################	1524	#############################################################################
917		1525
		1526	=back
		1527
918	=head2 CORE EXTENSIONS	1528	=head2 CORE EXTENSIONS
919		1529
920	Functions and methods that extend core crossfire objects.	1530	Functions and methods that extend core deliantra objects.
921		1531
922	=cut	1532	=cut
923		1533
924	package cf::player;	1534	package cf::player;
925		1535
…		…
927		1537
928	=head3 cf::player	1538	=head3 cf::player
929		1539
930	=over 4	1540	=over 4
931		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
932	=item cf::player::find $login	1556	=item cf::player::find $login
933		1557
934	Returns the given player object, loading it if necessary (might block).	1558	Returns the given player object, loading it if necessary (might block).
935		1559
936	=cut	1560	=cut
937		1561
938	sub playerdir($) {	1562	sub playerdir($) {
939	cf::localdir	1563	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1564	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1565	}
945		1566
946	sub path($) {	1567	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1568	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1569
949	(playerdir $login) . "/$login.pl"	1570	(playerdir $login) . "/playerdata"
950	}	1571	}
951		1572
952	sub find_active($) {	1573	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1574	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1575	and $cf::PLAYER{$_[0]}->active
…		…
957		1578
958	sub exists($) {	1579	sub exists($) {
959	my ($login) = @_;	1580	my ($login) = @_;
960		1581
961	$cf::PLAYER{$login}	1582	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat path $login }	1583	or !aio_stat path $login
963	}	1584	}
964		1585
965	sub find($) {	1586	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1587	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1588	my $login = $_[0];
968		1589
969	my $guard = cf::lock_acquire "user_find:$login";	1590	my $guard = cf::lock_acquire "user_find:$login";
970		1591
971	$cf::PLAYER{$_[0]} || do {	1592	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1608	$cf::PLAYER{$login} = $pl
975	}	1609	}
976	}	1610	}
977	}	1611	}
		1612
		1613	cf::player->attach (
		1614	on_load => sub {
		1615	my ($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	);
978		1625
979	sub save($) {	1626	sub save($) {
980	my ($pl) = @_;	1627	my ($pl) = @_;
981		1628
982	return if $pl->{deny_save};	1629	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1634	return if $pl->{deny_save};
988		1635
989	aio_mkdir playerdir $pl, 0770;	1636	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1637	$pl->{last_save} = $cf::RUNTIME;
991		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
992	$pl->save_pl ($path);	1644	$pl->save_pl ($path);
993	Coro::cede;	1645	cf::cede_to_tick;
994	}	1646	}
995		1647
996	sub new($) {	1648	sub new($) {
997	my ($login) = @_;	1649	my ($login) = @_;
998		1650
…		…
1004	$cf::PLAYER{$login} = $self;	1656	$cf::PLAYER{$login} = $self;
1005		1657
1006	$self	1658	$self
1007	}	1659	}
1008		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
1009	=item $pl->quit_character	1671	=item $pl->quit_character
1010		1672
1011	Nukes the player without looking back. If logged in, the connection will	1673	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1674	be destroyed. May block for a long time.
1013		1675
1014	=cut	1676	=cut
1015		1677
1016	sub quit_character {	1678	sub quit_character {
1017	my ($pl) = @_;	1679	my ($pl) = @_;
1018		1680
		1681	my $name = $pl->ob->name;
		1682
1019	$pl->{deny_save} = 1;	1683	$pl->{deny_save} = 1;
1020	$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
1021		1685
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1686	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1023	$pl->deactivate;	1687	$pl->deactivate;
		1688
		1689	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1690	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1691	ext::highscore::check ($pl->ob);
		1692
1025	$pl->ns->destroy if $pl->ns;	1693	$pl->ns->destroy if $pl->ns;
1026		1694
1027	my $path = playerdir $pl;	1695	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1696	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1697	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1698	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1721	}
1034		1722
1035	=item cf::player::list_logins	1723	=item cf::player::list_logins
1036		1724
1037	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
1038	while and may block, so not sync_job-capable, ever.	1726	while and may block, so not sync_job-capable, ever.
1039		1727
1040	=cut	1728	=cut
1041		1729
1042	sub list_logins {	1730	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1731	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1732	or return [];
1045		1733
1046	my @logins;	1734	my @logins;
1047		1735
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1742	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1743	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1744	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1745	}
1052		1746
1053	utf8::decode $login;	1747	utf8::decode $login;
1054	push @logins, $login;	1748	push @logins, $login;
1055	}	1749	}
1056		1750
1057	\@logins	1751	\@logins
1058	}	1752	}
1059		1753
1060	=item $player->maps	1754	=item $player->maps
1061		1755
		1756	=item cf::player::maps $login
		1757
1062	Returns an arrayref of map paths that are private for this	1758	Returns an arrayref of map paths that are private for this
1063	player. May block.	1759	player. May block.
1064		1760
1065	=cut	1761	=cut
1066		1762
1067	sub maps($) {	1763	sub maps($) {
1068	my ($pl) = @_;	1764	my ($pl) = @_;
		1765
		1766	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1767
1070	my $files = aio_readdir playerdir $pl	1768	my $files = aio_readdir playerdir $pl
1071	or return;	1769	or return;
1072		1770
1073	my @paths;	1771	my @paths;
…		…
1075	for (@$files) {	1773	for (@$files) {
1076	utf8::decode $_;	1774	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1775	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1776	next unless /^$PATH_SEP/o;
1079		1777
1080	s/\.map$//;	1778	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1779	}
1083		1780
1084	\@paths	1781	\@paths
1085	}	1782	}
1086		1783
		1784	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1785
		1786	Expand deliantra pod fragments into protocol xml.
		1787
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1788	=item $player->ext_reply ($msgid, @msg)
1088		1789
1089	Sends an ext reply to the player.	1790	Sends an ext reply to the player.
1090		1791
1091	=cut	1792	=cut
1092		1793
1093	sub ext_reply($$$%) {	1794	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1795	my ($self, $id, @msg) = @_;
1095		1796
1096	$msg{msgid} = $id;	1797	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1798	}
1100		1799
1101	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	}
1102		1842
1103	=back	1843	=back
1104
1105		1844
1106	=head3 cf::map	1845	=head3 cf::map
1107		1846
1108	=over 4	1847	=over 4
1109		1848
…		…
1121	our $MAX_RESET = 3600;	1860	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1861	our $DEFAULT_RESET = 3000;
1123		1862
1124	sub generate_random_map {	1863	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1864	my ($self, $rmp) = @_;
1126	# mit "rum" bekleckern, nicht	1865
		1866	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1867
1127	$self->_create_random_map (	1868	$self->_create_random_map ($rmp);
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)
1140	}	1869	}
		1870
		1871	=item cf::map->register ($regex, $prio)
		1872
		1873	Register a handler for the map path matching the given regex at the
		1874	givne priority (higher is better, built-in handlers have priority 0, the
		1875	default).
		1876
		1877	=cut
1141		1878
1142	sub register {	1879	sub register {
1143	my (undef, $regex) = @_;	1880	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1881	my $pkg = caller;
1145		1882
1146	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1883	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1884
1149	$EXT_MAP{$pkg} = qr<$regex>;	1885	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1886	}
1151		1887
1152	# also paths starting with '/'	1888	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1889	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1890
1155	sub thawer_merge {	1891	sub thawer_merge {
1156	my ($self, $merge) = @_;	1892	my ($self, $merge) = @_;
1157		1893
1158	# we have to keep some variables in memory intact	1894	# we have to keep some variables in memory intact
1159	local $self->{path};	1895	local $self->{path};
1160	local $self->{load_path};	1896	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1897
1164	$self->SUPER::thawer_merge ($merge);	1898	$self->SUPER::thawer_merge ($merge);
1165	}	1899	}
1166		1900
1167	sub normalise {	1901	sub normalise {
1168	my ($path, $base) = @_;	1902	my ($path, $base) = @_;
		1903
		1904	$path = "$path"; # make sure it's a string
		1905
		1906	$path =~ s/\.map$//;
1169		1907
1170	# map plan:	1908	# map plan:
1171	#	1909	#
1172	# /! non-realised random map exit (special hack!)	1910	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1911	# {... are special paths that are not being touched
…		…
1186	$base =~ s{[^/]+/?$}{};	1924	$base =~ s{[^/]+/?$}{};
1187	$path = "$base/$path";	1925	$path = "$base/$path";
1188	}	1926	}
1189		1927
1190	for ($path) {	1928	for ($path) {
1191	redo if s{//}{/};
1192	redo if s{/\.?/}{/};	1929	redo if s{/\.?/}{/};
1193	redo if s{/[^/]+/\.\./}{/};	1930	redo if s{/[^/]+/\.\./}{/};
1194	}	1931	}
1195		1932
1196	$path	1933	$path
…		…
1201		1938
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1939	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1940
1204	$path = normalise $path, $base;	1941	$path = normalise $path, $base;
1205		1942
1206	for my $pkg (keys %EXT_MAP) {	1943	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1944	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1945	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1946	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1947	$self->init; # pass $1 etc.
1211	return $self;	1948	return $self;
1212	}	1949	}
1213	}	1950	}
1214		1951
1215	Carp::carp "unable to resolve path '$path'.";	1952	Carp::cluck "unable to resolve path '$path' (base '$base')";
1216	()	1953	()
1217	}	1954	}
1218		1955
1219	sub init {	1956	sub init {
1220	my ($self) = @_;	1957	my ($self) = @_;
…		…
1235		1972
1236	# the original (read-only) location	1973	# the original (read-only) location
1237	sub load_path {	1974	sub load_path {
1238	my ($self) = @_;	1975	my ($self) = @_;
1239		1976
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1977	"$MAPDIR/$self->{path}.map"
1241	}	1978	}
1242		1979
1243	# the temporary/swap location	1980	# the temporary/swap location
1244	sub save_path {	1981	sub save_path {
1245	my ($self) = @_;	1982	my ($self) = @_;
1246		1983
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1984	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1985	"$TMPDIR/$path.map"
1249	}	1986	}
1250		1987
1251	# the unique path, undef == no special unique path	1988	# the unique path, undef == no special unique path
1252	sub uniq_path {	1989	sub uniq_path {
1253	my ($self) = @_;	1990	my ($self) = @_;
1254		1991
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1992	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1993	"$UNIQUEDIR/$path"
1257	}	1994	}
1258		1995
1259	# and all this just because we cannot iterate over	1996	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	1997	my ($self) = @_;
1263		1998
1264	$_->change_map_light ($change)	1999	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	2000
		2001	$self->do_decay_objects;
1266	}	2002	}
1267		2003
1268	sub unlink_save {	2004	sub unlink_save {
1269	my ($self) = @_;	2005	my ($self) = @_;
1270		2006
…		…
1275		2011
1276	sub load_header_from($) {	2012	sub load_header_from($) {
1277	my ($self, $path) = @_;	2013	my ($self, $path) = @_;
1278		2014
1279	utf8::encode $path;	2015	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	2016	my $f = new_from_file cf::object::thawer $path
1281	or return;	2017	or return;
1282		2018
1283	$self->_load_header ($path)	2019	$self->_load_header ($f)
1284	or return;	2020	or return;
1285		2021
		2022	local $MAP_LOADING{$self->{path}} = $self;
		2023	$f->resolve_delayed_derefs;
		2024
1286	$self->{load_path} = $path;	2025	$self->{load_path} = $path;
1287		2026
1288	1	2027	1
1289	}	2028	}
1290		2029
1291	sub load_orig {	2030	sub load_header_orig {
1292	my ($self) = @_;	2031	my ($self) = @_;
1293		2032
1294	$self->load_header_from ($self->load_path)	2033	$self->load_header_from ($self->load_path)
1295	}	2034	}
1296		2035
1297	sub load_temp {	2036	sub load_header_temp {
1298	my ($self) = @_;	2037	my ($self) = @_;
1299		2038
1300	$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;
1301	}	2059	}
1302		2060
1303	sub load_header {	2061	sub load_header {
1304	my ($self) = @_;	2062	my ($self) = @_;
1305		2063
1306	if ($self->load_temp) {	2064	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2065	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2066	} else {
1313	$self->load_orig	2067	$self->load_header_orig
1314	or return;	2068	or return;
1315		2069	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	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;
1321		2077
1322	1	2078	1
1323	}	2079	}
1324		2080
1325	sub find;	2081	sub find;
1326	sub find {	2082	sub find {
1327	my ($path, $origin) = @_;	2083	my ($path, $origin) = @_;
1328		2084
		2085	cf::cede_to_tick;
		2086
1329	$path = normalise $path, $origin && $origin->path;	2087	$path = normalise $path, $origin && $origin->path;
1330		2088
		2089	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2090	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2091
1333	$cf::MAP{$path} || do {	2092	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2093	my $map = new_from_path cf::map $path
1336	or return;	2094	or return;
1337		2095
1338	$map->{last_save} = $cf::RUNTIME;	2096	$map->{last_save} = $cf::RUNTIME;
1339		2097
1340	$map->load_header	2098	$map->load_header
1341	or return;	2099	or return;
1342		2100
1343	if ($map->should_reset) {	2101	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2102	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2103	#$cf::WAIT_FOR_TICK->wait;
		2104	undef $guard2;
		2105	undef $guard1;
1345	$map->reset;	2106	$map->reset;
1346	undef $guard;
1347	$map = find $path	2107	return find $path;
1348	or return;
1349	}	2108	}
1350		2109
1351	$cf::MAP{$path} = $map	2110	$cf::MAP{$path} = $map
1352	}	2111	}
1353	}	2112	}
		2113
		2114	sub pre_load { }
		2115	#sub post_load { } # XS
1354		2116
1355	sub load {	2117	sub load {
1356	my ($self) = @_;	2118	my ($self) = @_;
1357		2119
		2120	local $self->{deny_reset} = 1; # loading can take a long time
		2121
1358	my $path = $self->{path};	2122	my $path = $self->{path};
		2123
		2124	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2125	my $guard = cf::lock_acquire "map_data:$path";
1360		2126
		2127	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2128	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2129
1363	$self->in_memory (cf::MAP_LOADING);	2130	$self->in_memory (cf::MAP_LOADING);
1364		2131
1365	$self->alloc;	2132	$self->alloc;
1366	$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)
1367	or return;	2140	or return;
1368		2141
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2142	$self->post_load_original
1370	if delete $self->{load_original};	2143	if delete $self->{load_original};
1371		2144
1372	if (my $uniq = $self->uniq_path) {	2145	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2146	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2147	unless (aio_stat $uniq) {
		2148	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2149	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2150	$self->_load_objects ($f);
		2151	$f->resolve_delayed_derefs;
		2152	}
1377	}	2153	}
1378	}	2154	}
1379		2155
1380	Coro::cede;	2156	$f->resolve_delayed_derefs;
1381		2157
		2158	cf::cede_to_tick;
1382	# now do the right thing for maps	2159	# now do the right thing for maps
1383	$self->link_multipart_objects;	2160	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2161	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2162	unless $self->difficulty;
1393	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;
1394	$self->activate;	2170	$self->activate;
1395	}	2171	}
1396		2172
		2173	$self->{last_save} = $cf::RUNTIME;
		2174	$self->last_access ($cf::RUNTIME);
		2175
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2176	$self->in_memory (cf::MAP_ACTIVE);
1398	}	2177	}
1399		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
1400	sub customise_for {	2187	sub customise_for {
1401	my ($self, $ob) = @_;	2188	my ($self, $ob) = @_;
1402		2189
1403	return find "~" . $ob->name . "/" . $self->{path}	2190	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2191	if $self->per_player;
1405		2192
		2193	# return find "?party/" . $ob->name . "/" . $self->{path}
		2194	# if $self->per_party;
		2195
1406	$self	2196	$self
1407	}	2197	}
1408		2198
1409	# 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
1410	sub load_diag {	2200	sub load_neighbours {
1411	my ($map) = @_;	2201	my ($map) = @_;
1412		2202
1413	my @diag; # diagonal neighbours	2203	my @neigh; # diagonal neighbours
1414		2204
1415	for (0 .. 3) {	2205	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2206	my $neigh = $map->tile_path ($_)
1417	or next;	2207	or next;
1418	$neigh = find $neigh, $map	2208	$neigh = find $neigh, $map
1419	or next;	2209	or next;
1420	$neigh->load;	2210	$neigh->load;
1421		2211
		2212	# now find the diagonal neighbours
		2213	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2214	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2215	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2216	}
1425		2217
1426	for (@diag) {	2218	for (grep defined $_->[0], @neigh) {
		2219	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2220	my $neigh = find $path, $origin
1428	or next;	2221	or next;
1429	$neigh->load;	2222	$neigh->load;
1430	}	2223	}
1431	}	2224	}
1432		2225
1433	sub find_sync {	2226	sub find_sync {
1434	my ($path, $origin) = @_;	2227	my ($path, $origin) = @_;
1435		2228
1436	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
1437	}	2233	}
1438		2234
1439	sub do_load_sync {	2235	sub do_load_sync {
1440	my ($map) = @_;	2236	my ($map) = @_;
1441		2237
1442	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;
1443	}	2242	}
1444		2243
1445	our %MAP_PREFETCH;	2244	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2245	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2246
1459	sub find_async {	2247	sub find_async {
1460	my ($path, $origin) = @_;	2248	my ($path, $origin, $load) = @_;
1461		2249
1462	$path = normalise $path, $origin && $origin->{path};	2250	$path = normalise $path, $origin && $origin->{path};
1463		2251
1464	if (my $map = $cf::MAP{$path}) {	2252	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2253	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2254	}
		2255
		2256	$MAP_PREFETCH{$path} |= $load;
		2257
		2258	$MAP_PREFETCHER ||= cf::async {
		2259	$Coro::current->{desc} = "map prefetcher";
		2260
		2261	while (%MAP_PREFETCH) {
		2262	while (my ($k, $v) = each %MAP_PREFETCH) {
		2263	if (my $map = find $k) {
		2264	$map->load if $v;
		2265	}
		2266
		2267	delete $MAP_PREFETCH{$k};
		2268	}
		2269	}
		2270	undef $MAP_PREFETCHER;
1466	}	2271	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2272	$MAP_PREFETCHER->prio (6);
1470		2273
1471	()	2274	()
1472	}	2275	}
1473		2276
		2277	# common code, used by both ->save and ->swapout
1474	sub save {	2278	sub _save {
1475	my ($self) = @_;	2279	my ($self) = @_;
1476
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1478		2280
1479	$self->{last_save} = $cf::RUNTIME;	2281	$self->{last_save} = $cf::RUNTIME;
1480		2282
1481	return unless $self->dirty;	2283	return unless $self->dirty;
1482		2284
…		…
1488	return if $self->{deny_save};	2290	return if $self->{deny_save};
1489		2291
1490	local $self->{last_access} = $self->last_access;#d#	2292	local $self->{last_access} = $self->last_access;#d#
1491		2293
1492	cf::async {	2294	cf::async {
		2295	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2296	$_->contr->save for $self->players;
1494	};	2297	};
		2298
		2299	cf::get_slot 0.02;
1495		2300
1496	if ($uniq) {	2301	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2302	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2303	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2304	} else {
1500	$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);
1501	}	2306	}
1502	}	2307	}
1503		2308
		2309	sub save {
		2310	my ($self) = @_;
		2311
		2312	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2313
		2314	$self->_save;
		2315	}
		2316
1504	sub swap_out {	2317	sub swap_out {
1505	my ($self) = @_;	2318	my ($self) = @_;
1506		2319
1507	# save first because save cedes
1508	$self->save;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2320	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2321
		2322	return if $self->in_memory != cf::MAP_ACTIVE;
		2323	return if $self->{deny_save};
1512	return if $self->players;	2324	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};
1515		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
1516	$self->clear;	2335	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2336	}
1519		2337
1520	sub reset_at {	2338	sub reset_at {
1521	my ($self) = @_;	2339	my ($self) = @_;
1522		2340
1523	# TODO: safety, remove and allow resettable per-player maps	2341	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2342	return 1e99 if $self->{deny_reset};
1526		2343
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	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;
1529		2346
…		…
1540	my ($self) = @_;	2357	my ($self) = @_;
1541		2358
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2360
1544	return if $self->players;	2361	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2362
1547	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	}
1548		2374
1549	delete $cf::MAP{$self->path};	2375	delete $cf::MAP{$self->path};
1550		2376
1551	$self->in_memory (cf::MAP_SWAPPED);	2377	$self->deactivate;
		2378	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2379	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2380
1556	$self->unlink_save;	2381	$self->unlink_save;
1557	$self->destroy;	2382	$self->destroy;
1558	}	2383	}
1559		2384
1560	my $nuke_counter = "aaaa";	2385	my $nuke_counter = "aaaa";
1561		2386
1562	sub nuke {	2387	sub nuke {
1563	my ($self) = @_;	2388	my ($self) = @_;
1564		2389
		2390	{
		2391	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2392
1565	delete $cf::MAP{$self->path};	2393	delete $cf::MAP{$self->path};
1566		2394
1567	$self->unlink_save;	2395	$self->unlink_save;
1568		2396
1569	bless $self, "cf::map";	2397	bless $self, "cf::map::wrap";
1570	delete $self->{deny_reset};	2398	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2399	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2400	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2401	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2402
1575	$cf::MAP{$self->path} = $self;	2403	$cf::MAP{$self->path} = $self;
		2404	}
1576		2405
1577	$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	]
1578	}	2443	}
1579		2444
1580	=item cf::map::unique_maps	2445	=item cf::map::unique_maps
1581		2446
1582	Returns an arrayref of paths of all shared maps that have	2447	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2448	instantiated unique items. May block.
1584		2449
1585	=cut	2450	=cut
1586		2451
1587	sub unique_maps() {	2452	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2453	[
1589	or return;	2454	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2455	utf8::decode $_;
1595	next if /\.pst$/;	2456	s/\.map$//; # TODO future compatibility hack
1596	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	}
1597		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) {
1598	s/\.map$//;	2485	s/\.map$// or next;
1599	push @paths, $_;	2486	utf8::decode $_;
1600	}	2487	push @maps, "$dir/$_";
		2488	}
1601		2489
1602	\@paths	2490	push @dirs, map "$dir/$_", @$dirs;
1603	}	2491	}
1604		2492
1605	package cf;	2493	\@maps
		2494	}
1606		2495
1607	=back	2496	=back
1608		2497
1609	=head3 cf::object	2498	=head3 cf::object
1610		2499
…		…
1614		2503
1615	=over 4	2504	=over 4
1616		2505
1617	=item $ob->inv_recursive	2506	=item $ob->inv_recursive
1618		2507
1619	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.
1620		2510
1621	=cut	2511	=cut
1622		2512
1623	sub inv_recursive_;	2513	sub inv_recursive_;
1624	sub inv_recursive_ {	2514	sub inv_recursive_ {
…		…
1627		2517
1628	sub inv_recursive {	2518	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2519	inv_recursive_ inv $_[0]
1630	}	2520	}
1631		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
1632	package cf;	2550	package cf;
1633		2551
1634	=back	2552	=back
1635		2553
1636	=head3 cf::object::player	2554	=head3 cf::object::player
…		…
1642	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>
1643	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
1644	dialogue with the given NPC character.	2562	dialogue with the given NPC character.
1645		2563
1646	=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	};
1647		2579
1648	# rough implementation of a future "reply" method that works	2580	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2581	# with dialog boxes.
1650	#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
1651	sub cf::object::player::reply($$$;$) {	2583	sub cf::object::player::reply($$$;$) {
…		…
1653		2585
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2586	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2587
1656	if ($self->{record_replies}) {	2588	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2589	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2590
1658	} 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 {
1659	$msg = $npc->name . " says: $msg" if $npc;	2599	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2600	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2601	}
1661	}	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 (@_);
1662	}	2613	}
1663		2614
1664	=item $player_object->may ("access")	2615	=item $player_object->may ("access")
1665		2616
1666	Returns wether the given player is authorized to access resource "access"	2617	Returns wether the given player is authorized to access resource "access"
…		…
1679		2630
1680	=item $player_object->enter_link	2631	=item $player_object->enter_link
1681		2632
1682	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}>).
1683		2634
1684	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.
1685	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.
1686		2639
1687	Will never block.	2640	Will never block.
1688		2641
1689	=item $player_object->leave_link ($map, $x, $y)	2642	=item $player_object->leave_link ($map, $x, $y)
1690		2643
…		…
1698	=cut	2651	=cut
1699		2652
1700	sub link_map {	2653	sub link_map {
1701	unless ($LINK_MAP) {	2654	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2655	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2656	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2657	$LINK_MAP->load;
1705	}	2658	}
1706		2659
1707	$LINK_MAP	2660	$LINK_MAP
1708	}	2661	}
…		…
1710	sub cf::object::player::enter_link {	2663	sub cf::object::player::enter_link {
1711	my ($self) = @_;	2664	my ($self) = @_;
1712		2665
1713	$self->deactivate_recursive;	2666	$self->deactivate_recursive;
1714		2667
		2668	++$self->{_link_recursion};
		2669
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2670	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2671
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2672	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2673	if $self->map && $self->map->{path} ne "{link}";
1719		2674
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2675	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1721	}	2676	}
1722		2677
1723	sub cf::object::player::leave_link {	2678	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2679	my ($self, $map, $x, $y) = @_;
		2680
		2681	return unless $self->contr->active;
1725		2682
1726	my $link_pos = delete $self->{_link_pos};	2683	my $link_pos = delete $self->{_link_pos};
1727		2684
1728	unless ($map) {	2685	unless ($map) {
1729	# restore original map position	2686	# restore original map position
…		…
1740	($x, $y) = (-1, -1)	2697	($x, $y) = (-1, -1)
1741	unless (defined $x) && (defined $y);	2698	unless (defined $x) && (defined $y);
1742		2699
1743	# use -1 or undef as default coordinates, not 0, 0	2700	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2701	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2702	if $x <= 0 && $y <= 0;
1746		2703
1747	$map->load;	2704	$map->load;
1748	$map->load_diag;	2705	$map->load_neighbours;
1749		2706
1750	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
1751	$self->activate_recursive;	2714	$self->activate_recursive;
1752	$self->enter_map ($map, $x, $y);
1753	}
1754
1755	cf::player->attach (
1756	on_logout => sub {
1757	my ($pl) = @_;
1758
1759	# abort map switching before logout
1760	if ($pl->ob->{_link_pos}) {
1761	cf::sync_job {
1762	$pl->ob->leave_link
1763	};
1764	}
1765	},	2715	}
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2716
1769	# try to abort aborted map switching on player login :)	2717	}
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786		2718
1787	=item $player_object->goto ($path, $x, $y)	2719	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1788		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
1789	=cut	2730	=cut
		2731
		2732	our $GOTOGEN;
1790		2733
1791	sub cf::object::player::goto {	2734	sub cf::object::player::goto {
1792	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;
1793		2745
1794	$self->enter_link;	2746	$self->enter_link;
1795		2747
1796	(async {	2748	(async {
1797	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) {
1798	$map = $map->customise_for ($self) if $map;	2774	$map = $map->customise_for ($self);
1799		2775	$map = $check->($map, $x, $y, $self) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2776	} else {
1801	# if $map;
1802
1803	$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	}
1804		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};
1805	$self->leave_link ($map, $x, $y);	2790	$self->leave_link ($map, $x, $y);
		2791	}
		2792
		2793	$done->($self) if $done;
1806	})->prio (1);	2794	})->prio (1);
1807	}	2795	}
1808		2796
1809	=item $player_object->enter_exit ($exit_object)	2797	=item $player_object->enter_exit ($exit_object)
1810		2798
…		…
1830	}	2818	}
1831		2819
1832	sub prepare_random_map {	2820	sub prepare_random_map {
1833	my ($exit) = @_;	2821	my ($exit) = @_;
1834		2822
1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1836
1837	# all this does is basically replace the /! path by	2823	# all this does is basically replace the /! path by
1838	# a new random map path (?random/...) with a seed	2824	# a new random map path (?random/...) with a seed
1839	# that depends on the exit object	2825	# that depends on the exit object
1840		2826
1841	my $rmp = parse_random_map_params $exit->msg;	2827	my $rmp = parse_random_map_params $exit->msg;
1842		2828
1843	if ($exit->map) {	2829	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2830	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2831	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2832	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2833	$rmp->{origin_y} = $exit->y;
		2834
		2835	$exit->map->touch;
1848	}	2836	}
1849		2837
1850	$rmp->{random_seed} ||= $exit->random_seed;	2838	$rmp->{random_seed} ||= $exit->random_seed;
1851		2839
1852	my $data = cf::to_json $rmp;	2840	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1853	my $md5 = Digest::MD5::md5_hex $data;	2841	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2842	my $meta = "$RANDOMDIR/$md5.meta";
1855		2843
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2844	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2845	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2846	undef $fh;
1859	aio_rename "$meta~", $meta;	2847	aio_rename "$meta~", $meta;
1860		2848
		2849	my $slaying = "?random/$md5";
		2850
		2851	if ($exit->valid) {
1861	$exit->slaying ("?random/$md5");	2852	$exit->slaying ("?random/$md5");
1862	$exit->msg (undef);	2853	$exit->msg (undef);
		2854	}
1863	}	2855	}
1864	}	2856	}
1865		2857
1866	sub cf::object::player::enter_exit {	2858	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2859	my ($self, $exit) = @_;
…		…
1869	return unless $self->type == cf::PLAYER;	2861	return unless $self->type == cf::PLAYER;
1870		2862
1871	$self->enter_link;	2863	$self->enter_link;
1872		2864
1873	(async {	2865	(async {
1874	$self->deactivate_recursive; # just to be sure	2866	$Coro::current->{desc} = "enter_exit";
		2867
1875	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
1876	prepare_random_map $exit	2875	prepare_random_map $exit
1877	if $exit->slaying eq "/!";	2876	if $exit->slaying eq "/!";
		2877	}
1878		2878
1879	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;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2880	my $x = $exit->stats->hp;
		2881	my $y = $exit->stats->sp;
1881		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
1882	1;	2889	1
1883	}) {	2890	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2891	$self->message ("Something went wrong deep within the deliantra server. "
1885	. "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. "
1886	. "Please report this to the dungeon master!",	2893	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2894	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2895
1889	warn "ERROR in enter_exit: $@";	2896	error "ERROR in enter_exit: $@";
1890	$self->leave_link;	2897	$self->leave_link;
1891	}	2898	}
1892	})->prio (1);	2899	})->prio (1);
1893	}	2900	}
1894		2901
…		…
1905		2912
1906	sub cf::client::send_drawinfo {	2913	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2914	my ($self, $text, $flags) = @_;
1908		2915
1909	utf8::encode $text;	2916	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2917	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2918	}
1912		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	}
1913		3141
1914	=item $success = $client->query ($flags, "text", \&cb)	3142	=item $success = $client->query ($flags, "text", \&cb)
1915		3143
1916	Queues a query to the client, calling the given callback with	3144	Queues a query to the client, calling the given callback with
1917	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>,
1918	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>.
1919		3147
1920	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
1921	reliable at some point in the future.	3149	become reliable at some point in the future.
1922		3150
1923	=cut	3151	=cut
1924		3152
1925	sub cf::client::query {	3153	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	3154	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	3162	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3163	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		3164
1937	$self->send_packet ($self->{query_queue}[0][0])	3165	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	3166	if @{ $self->{query_queue} } == 1;
		3167
		3168	1
1939	}	3169	}
1940		3170
1941	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	},
1942	on_reply => sub {	3177	on_reply => sub {
1943	my ($ns, $msg) = @_;	3178	my ($ns, $msg) = @_;
1944		3179
1945	# this weird shuffling is so that direct followup queries	3180	# this weird shuffling is so that direct followup queries
1946	# get handled first	3181	# get handled first
1947	my $queue = delete $ns->{query_queue}	3182	my $queue = delete $ns->{query_queue}
1948	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
1949		3184
1950	(shift @$queue)->[1]->($msg);	3185	(shift @$queue)->[1]->($msg);
		3186	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		3187
1952	push @{ $ns->{query_queue} }, @$queue;	3188	push @{ $ns->{query_queue} }, @$queue;
1953		3189
1954	if (@{ $ns->{query_queue} } == @$queue) {	3190	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	3191	if (@$queue) {
…		…
1957	} else {	3193	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3194	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	3195	}
1960	}	3196	}
1961	},	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	},
1962	);	3224	);
1963		3225
1964	=item $client->async (\&cb)	3226	=item $client->async (\&cb)
1965		3227
1966	Create a new coroutine, running the specified callback. The coroutine will	3228	Create a new coroutine, running the specified callback. The coroutine will
…		…
1982		3244
1983	$coro	3245	$coro
1984	}	3246	}
1985		3247
1986	cf::client->attach (	3248	cf::client->attach (
1987	on_destroy => sub {	3249	on_client_destroy => sub {
1988	my ($ns) = @_;	3250	my ($ns) = @_;
1989		3251
1990	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3252	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1991	},	3253	},
1992	);	3254	);
…		…
2007	our $safe = new Safe "safe";	3269	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	3270	our $safe_hole = new Safe::Hole;
2009		3271
2010	$SIG{FPE} = 'IGNORE';	3272	$SIG{FPE} = 'IGNORE';
2011		3273
2012	$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	));
2013		3279
2014	# here we export the classes and methods available to script code	3280	# here we export the classes and methods available to script code
2015		3281
2016	=pod	3282	=pod
2017		3283
2018	The following fucntions and emthods are available within a safe environment:	3284	The following functions and methods are available within a safe environment:
2019		3285
2020	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
2021	cf::object::player player	3291	cf::object::player
2022	cf::player peaceful	3292	player
2023	cf::map trigger	3293
		3294	cf::player
		3295	peaceful
		3296
		3297	cf::map
		3298	trigger
2024		3299
2025	=cut	3300	=cut
2026		3301
2027	for (	3302	for (
2028	["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)],
2029	["cf::object::player" => qw(player)],	3306	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	3307	["cf::player" => qw(peaceful send_msg)],
2031	["cf::map" => qw(trigger)],	3308	["cf::map" => qw(trigger)],
2032	) {	3309	) {
2033	no strict 'refs';
2034	my ($pkg, @funs) = @$_;	3310	my ($pkg, @funs) = @$_;
2035	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3311	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2036	for @funs;	3312	for @funs;
2037	}	3313	}
2038		3314
…		…
2053		3329
2054	my $qcode = $code;	3330	my $qcode = $code;
2055	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3331	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2056	$qcode =~ s/\n/\\n/g;	3332	$qcode =~ s/\n/\\n/g;
2057		3333
		3334	%vars = (_dummy => 0) unless %vars;
		3335
		3336	my @res;
2058	local $_;	3337	local $_;
2059	local @safe::cf::_safe_eval_args = values %vars;
2060		3338
2061	my $eval =	3339	my $eval =
2062	"do {\n"	3340	"do {\n"
2063	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3341	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2064	. "#line 0 \"{$qcode}\"\n"	3342	. "#line 0 \"{$qcode}\"\n"
2065	. $code	3343	. $code
2066	. "\n}"	3344	. "\n}"
2067	;	3345	;
2068		3346
		3347	if ($CFG{safe_eval}) {
2069	sub_generation_inc;	3348	sub_generation_inc;
		3349	local @safe::cf::_safe_eval_args = values %vars;
2070	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3350	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2071	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	}
2072		3356
2073	if ($@) {	3357	if ($@) {
2074	warn "$@";	3358	warn "$@",
2075	warn "while executing safe code '$code'\n";	3359	"while executing safe code '$code'\n",
2076	warn "with arguments " . (join " ", %vars) . "\n";	3360	"with arguments " . (join " ", %vars) . "\n";
2077	}	3361	}
2078		3362
2079	wantarray ? @res : $res[0]	3363	wantarray ? @res : $res[0]
2080	}	3364	}
2081		3365
…		…
2095	=cut	3379	=cut
2096		3380
2097	sub register_script_function {	3381	sub register_script_function {
2098	my ($fun, $cb) = @_;	3382	my ($fun, $cb) = @_;
2099		3383
2100	no strict 'refs';	3384	$fun = "safe::$fun" if $CFG{safe_eval};
2101	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3385	*$fun = $safe_hole->wrap ($cb);
2102	}	3386	}
2103		3387
2104	=back	3388	=back
2105		3389
2106	=cut	3390	=cut
2107		3391
2108	#############################################################################	3392	#############################################################################
		3393	# the server's init and main functions
2109		3394
2110	=head2 EXTENSION DATABASE SUPPORT	3395	sub load_facedata($) {
		3396	my ($path) = @_;
2111		3397
2112	Crossfire maintains a very simple database for extension use. It can	3398	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	3399	# for this (global event?)
2114	excludes objects.	3400	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		3401
2116	The parameter C<$family> should best start with the name of the extension	3402	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		3403
2119	=over 4	3404	trace "loading facedata from $path\n";
2120		3405
2121	=item $hashref = cf::db_get $family	3406	0 < aio_load $path, my $facedata
		3407	or die "$path: $!";
2122		3408
2123	Return a hashref for use by the extension C<$family>, which can be	3409	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		3410
2127	=item $value = cf::db_get $family => $key	3411	$facedata->{version} == 2
		3412	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		3413
2129	Returns a single value from the database	3414	# patch in the exptable
2130		3415	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2131	=item cf::db_put $family => $hashref	3416	$facedata->{resource}{"res/exp_table"} = {
2132		3417	type => FT_RSRC,
2133	Stores the given family hashref into the database. Updates are delayed, if	3418	data => $exp_table,
2134	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3419	hash => (Digest::MD5::md5 $exp_table),
2135
2136	=item cf::db_put $family => $key => $value
2137
2138	Stores the given C<$value> in the family hash. Updates are delayed, if you
2139	want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141	=item cf::db_dirty
2142
2143	Marks the database as dirty, to be updated at a later time.
2144
2145	=item cf::db_sync
2146
2147	Immediately write the database to disk I<if it is dirty>.
2148
2149	=cut
2150
2151	our $DB;
2152
2153	{
2154	my $path = cf::localdir . "/database.pst";
2155
2156	sub db_load() {
2157	$DB = stat $path ? Storable::retrieve $path : { };
2158	}
2159
2160	my $pid;
2161
2162	sub db_save() {
2163	waitpid $pid, 0 if $pid;
2164	if (0 == ($pid = fork)) {
2165	$DB->{_meta}{version} = 1;
2166	Storable::nstore $DB, "$path~";
2167	rename "$path~", $path;
2168	cf::_exit 0 if defined $pid;
2169	}
2170	}
2171
2172	my $dirty;
2173
2174	sub db_sync() {
2175	db_save if $dirty;
2176	undef $dirty;
2177	}
2178
2179	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	3420	};
		3421	cf::cede_to_tick;
2182		3422
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	3423	{
		3424	my $faces = $facedata->{faceinfo};
2187		3425
2188	sub db_get($;$) {	3426	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	3427	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}
2191	: ($DB->{$_[0]} ||= { })
2192	}
2193		3428
2194	sub db_put($$;$) {	3429	cf::face::set_visibility $idx, $info->{visibility};
2195	if (@_ >= 3) {	3430	cf::face::set_magicmap $idx, $info->{magicmap};
2196	$DB->{$_[0]}{$_[1]} = $_[2];	3431	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2197	} else {	3432	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2198	$DB->{$_[0]} = $_[1];	3433	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2199	}
2200	db_dirty;
2201	}
2202		3434
2203	cf::global->attach (	3435	cf::cede_to_tick;
2204	prio => 10000,
2205	on_cleanup => sub {
2206	db_sync;
2207	},	3436	}
2208	);
2209	}
2210		3437
2211	#############################################################################	3438	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	3439	next unless $info->{smooth};
2213		3440
2214	sub cfg_load {	3441	my $idx = cf::face::find $face
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3442	or next;
2216	or return;
2217		3443
2218	local $/;	3444	if (my $smooth = cf::face::find $info->{smooth}) {
2219	*CFG = YAML::Syck::Load <$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	}
2220		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
2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2222		3582
2223	$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};
2224	$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};
2225		3585
2226	if (exists $CFG{mlockall}) {	3586	if (exists $CFG{mlockall}) {
…		…
2230	};	3590	};
2231	warn $@ if $@;	3591	warn $@ if $@;
2232	}	3592	}
2233	}	3593	}
2234		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
2235	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
2236	# we must not ever block the main coroutine	3633	# we must not ever block the main coroutine
2237	local $Coro::idle = sub {	3634	local $Coro::idle = sub {
2238	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#
2239	(async {	3636	(async {
2240	Event::one_event;	3637	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3638	EV::loop EV::LOOP_ONESHOT;
2241	})->prio (Coro::PRIO_MAX);	3639	})->prio (Coro::PRIO_MAX);
2242	};	3640	};
2243		3641
2244	cfg_load;	3642	evthread_start IO::AIO::poll_fileno;
2245	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
2246	load_extensions;	3665	load_extensions;
2247	Event::loop;	3666
		3667	utime time, time, $RUNTIMEFILE;
		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;
2248	}	3685	}
2249		3686
2250	#############################################################################	3687	#############################################################################
2251	# initialisation and cleanup	3688	# initialisation and cleanup
2252		3689
2253	# install some emergency cleanup handlers	3690	# install some emergency cleanup handlers
2254	BEGIN {	3691	BEGIN {
		3692	our %SIGWATCHER = ();
2255	for my $signal (qw(INT HUP TERM)) {	3693	for my $signal (qw(INT HUP TERM)) {
2256	Event->signal (	3694	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2257	data => WF_AUTOCANCEL,
2258	signal => $signal,
2259	cb => sub {
2260	cf::cleanup "SIG$signal";	3695	cf::cleanup "SIG$signal";
2261	},
2262	);	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
2263	}	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 };
2264	}	3786	}
2265		3787
2266	sub emergency_save() {	3788	sub emergency_save() {
2267	my $freeze_guard = cf::freeze_mainloop;	3789	my $freeze_guard = cf::freeze_mainloop;
2268		3790
2269	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;
2270		3797
2271	cf::sync_job {	3798	cf::sync_job {
		3799	cf::write_runtime_sync; # external watchdog should not bark
		3800
2272	# use a peculiar iteration method to avoid tripping on perl	3801	# use a peculiar iteration method to avoid tripping on perl
2273	# refcount bugs in for. also avoids problems with players	3802	# refcount bugs in for. also avoids problems with players
2274	# and maps saved/destroyed asynchronously.	3803	# and maps saved/destroyed asynchronously.
2275	warn "begin emergency player save\n";	3804	info "emergency_perl_save: begin player save\n";
2276	for my $login (keys %cf::PLAYER) {	3805	for my $login (keys %cf::PLAYER) {
2277	my $pl = $cf::PLAYER{$login} or next;	3806	my $pl = $cf::PLAYER{$login} or next;
2278	$pl->valid or next;	3807	$pl->valid or next;
		3808	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2279	$pl->save;	3809	$pl->save;
2280	}	3810	}
2281	warn "end emergency player save\n";	3811	info "emergency_perl_save: end player save\n";
2282		3812
2283	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";
2284	for my $path (keys %cf::MAP) {	3816	for my $path (keys %cf::MAP) {
2285	my $map = $cf::MAP{$path} or next;	3817	my $map = $cf::MAP{$path} or next;
2286	$map->valid or next;	3818	$map->valid or next;
2287	$map->save;	3819	$map->save;
2288	}	3820	}
2289	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 $DB_ENV;
		3837
		3838	info "emergency_perl_save: starting sync\n";
		3839	IO::AIO::aio_sync sub {
		3840	info "emergency_perl_save: finished sync\n";
		3841	};
		3842
		3843	cf::write_runtime_sync; # external watchdog should not bark
		3844
		3845	trace "emergency_perl_save: flushing outstanding aio requests";
		3846	while (IO::AIO::nreqs || BDB::nreqs) {
		3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3848	}
		3849
		3850	cf::write_runtime_sync; # external watchdog should not bark
2290	};	3851	};
2291		3852
2292	warn "leave emergency perl save\n";	3853	info "emergency_perl_save: leave\n";
2293	}	3854	}
2294		3855
		3856	sub post_cleanup {
		3857	my ($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
2295	sub reload() {	3893	sub do_reload_perl() {
2296	# can/must only be called in main	3894	# can/must only be called in main
2297	if ($Coro::current != $Coro::main) {	3895	unless (in_main) {
2298	warn "can only reload from main coroutine\n";	3896	error "can only reload from main coroutine";
2299	return;	3897	return;
2300	}	3898	}
2301		3899
2302	warn "reloading...";	3900	return if $RELOAD++;
2303		3901
2304	warn "freezing server";	3902	my $t1 = AE::time;
2305	my $guard = freeze_mainloop;	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 {
2306	cf::emergency_save;	3911	#cf::emergency_save;
2307		3912
2308	warn "sync database to disk";	3913	trace "perl_reload: cancelling all extension coros";
2309	cf::db_sync;
2310	IO::AIO::flush;
2311
2312	eval {
2313	# if anything goes wrong in here, we should simply crash as we already saved
2314
2315	warn "cancel all watchers";
2316	for (Event::all_watchers) {
2317	$_->cancel if $_->data & WF_AUTOCANCEL;
2318	}
2319
2320	warn "cancel all extension coros";
2321	$_->cancel for values %EXT_CORO;	3914	$_->cancel for values %EXT_CORO;
2322	%EXT_CORO = ();	3915	%EXT_CORO = ();
2323		3916
2324	warn "remove commands";	3917	trace "perl_reload: removing commands";
2325	%COMMAND = ();	3918	%COMMAND = ();
2326		3919
2327	warn "remove ext commands";	3920	trace "perl_reload: removing ext/exti commands";
2328	%EXTCMD = ();	3921	%EXTCMD = ();
		3922	%EXTICMD = ();
2329		3923
2330	warn "unload/nuke all extensions";	3924	trace "perl_reload: unloading/nuking all extensions";
2331	for my $pkg (@EXTS) {	3925	for my $pkg (@EXTS) {
2332	warn "... unloading $pkg";	3926	trace "... unloading $pkg";
2333		3927
2334	if (my $cb = $pkg->can ("unload")) {	3928	if (my $cb = $pkg->can ("unload")) {
2335	eval {	3929	eval {
2336	$cb->($pkg);	3930	$cb->($pkg);
2337	1	3931	1
2338	} 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;
2339	}	3937	}
2340		3938
2341	warn "... nuking $pkg";
2342	Symbol::delete_package $pkg;
2343	}
2344
2345	warn "unload all perl modules loaded from $LIBDIR";	3939	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2346	while (my ($k, $v) = each %INC) {	3940	while (my ($k, $v) = each %INC) {
2347	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3941	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2348		3942
2349	warn "removing <$k>";	3943	trace "... unloading $k";
2350	delete $INC{$k};	3944	delete $INC{$k};
2351		3945
2352	$k =~ s/\.pm$//;	3946	$k =~ s/\.pm$//;
2353	$k =~ s/\//::/g;	3947	$k =~ s/\//::/g;
2354		3948
2355	if (my $cb = $k->can ("unload_module")) {	3949	if (my $cb = $k->can ("unload_module")) {
2356	$cb->();	3950	$cb->();
		3951	}
		3952
		3953	clear_package $k;
2357	}	3954	}
2358		3955
2359	Symbol::delete_package $k;
2360	}
2361
2362	warn "get rid of safe::, as good as possible";	3956	trace "perl_reload: getting rid of safe::, as good as possible";
2363	Symbol::delete_package "safe::$_"	3957	clear_package "safe::$_"
2364	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);
2365		3959
2366	warn "unload cf.pm \"a bit\"";	3960	trace "perl_reload: unloading cf.pm \"a bit\"";
2367	delete $INC{"cf.pm"};	3961	delete $INC{"cf.pm"};
		3962	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2368		3963
2369	# don't, removes xs symbols, too,	3964	# don't, removes xs symbols, too,
2370	# and global variables created in xs	3965	# and global variables created in xs
2371	#Symbol::delete_package __PACKAGE__;	3966	#clear_package __PACKAGE__;
2372		3967
2373	warn "reloading cf.pm";	3968	info "perl_reload: unload completed, starting to reload now";
		3969
		3970	trace "perl_reload: reloading cf.pm";
2374	require cf;	3971	require cf;
2375	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3972	cf::_connect_to_perl_1;
2376		3973
2377	warn "load config and database again";	3974	trace "perl_reload: loading config and database again";
2378	cf::cfg_load;	3975	cf::reload_config;
2379	cf::db_load;
2380		3976
2381	warn "load extensions";	3977	trace "perl_reload: loading extensions";
2382	cf::load_extensions;	3978	cf::load_extensions;
2383		3979
		3980	if ($REATTACH_ON_RELOAD) {
2384	warn "reattach attachments to objects/players";	3981	trace "perl_reload: reattaching attachments to objects/players";
2385	_global_reattach;	3982	_global_reattach; # objects, sockets
2386	warn "reattach attachments to maps";	3983	trace "perl_reload: reattaching attachments to maps";
2387	reattach $_ for values %MAP;	3984	reattach $_ for values %MAP;
		3985	trace "perl_reload: reattaching attachments to players";
		3986	reattach $_ for values %PLAYER;
		3987	}
		3988
		3989	cf::_post_init 1;
		3990
		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	};
2388	};	4019	};
2389		4020	}
2390	if ($@) {
2391	warn $@;
2392	warn "error while reloading, exiting.";
2393	exit 1;
2394	}
2395
2396	warn "reloaded";
2397	};
2398
2399	our $RELOAD_WATCHER; # used only during reload
2400		4021
2401	register_command "reload" => sub {	4022	register_command "reload" => sub {
2402	my ($who, $arg) = @_;	4023	my ($who, $arg) = @_;
2403		4024
2404	if ($who->flag (FLAG_WIZ)) {	4025	if ($who->flag (FLAG_WIZ)) {
2405	$who->message ("reloading server.");	4026	$who->message ("reloading server.");
2406		4027	async {
2407	# doing reload synchronously and two reloads happen back-to-back,	4028	$Coro::current->{desc} = "perl_reload";
2408	# coro crashes during coro_state_free->destroy here.
2409
2410	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2411	reload;	4029	reload_perl;
2412	undef $RELOAD_WATCHER;
2413	});	4030	};
2414	}	4031	}
2415	};	4032	};
2416		4033
2417	unshift @INC, $LIBDIR;	4034	#############################################################################
2418		4035
2419	$TICK_WATCHER = Event->timer (	4036	my $bug_warning = 0;
2420	reentrant => 0,
2421	prio => 0,
2422	at => $NEXT_TICK || $TICK,
2423	data => WF_AUTOCANCEL,
2424	cb => sub {
2425	$NOW = Event::time;
2426		4037
		4038	our @WAIT_FOR_TICK;
		4039	our @WAIT_FOR_TICK_BEGIN;
		4040
		4041	sub wait_for_tick() {
		4042	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4043
		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 {
		4058	if ($Coro::current != $Coro::main) {
		4059	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4060	unless ++$bug_warning > 10;
		4061	return;
		4062	}
		4063
2427	cf::server_tick; # one server iteration	4064	cf::server_tick; # one server iteration
2428	$RUNTIME += $TICK;
2429	$NEXT_TICK += $TICK;
2430		4065
2431	$WAIT_FOR_TICK->broadcast;	4066	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2432	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2433		4067
2434	# if we are delayed by four ticks or more, skip them all	4068	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2435	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4069	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2436		4070	Coro::async_pool {
2437	$TICK_WATCHER->at ($NEXT_TICK);	4071	$Coro::current->{desc} = "runtime saver";
2438	$TICK_WATCHER->start;
2439	},
2440	);
2441
2442	IO::AIO::max_poll_time $TICK * 0.2;
2443
2444	$AIO_POLL_WATCHER = Event->io (
2445	fd => IO::AIO::poll_fileno,
2446	poll => 'r',
2447	prio => 5,
2448	data => WF_AUTOCANCEL,
2449	cb => \&IO::AIO::poll_cb,
2450	);
2451
2452	$WRITE_RUNTIME_WATCHER = Event->timer (
2453	data => WF_AUTOCANCEL,
2454	after => 0,
2455	interval => 10,
2456	cb => sub {
2457	(Coro::unblock_sub {
2458	write_runtime	4072	write_runtime_sync
2459	or warn "ERROR: unable to write runtime file: $!";	4073	or error "ERROR: unable to write runtime file: $!";
2460	})->();	4074	};
2461	},	4075	}
2462	);	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;
		4142	IO::AIO::max_poll_time $TICK * 0.1;
		4143	undef $AnyEvent::AIO::WATCHER;
		4144	}
		4145
		4146	our $_log_backtrace;
		4147	our $_log_backtrace_last;
		4148
		4149	sub _log_backtrace {
		4150	my ($msg, @addr) = @_;
		4151
		4152	$msg =~ s/\n$//;
		4153
		4154	if ($_log_backtrace_last eq $msg) {
		4155	LOG llevInfo, "[ABT] $msg\n";
		4156	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4157	# limit the # of concurrent backtraces
		4158	} elsif ($_log_backtrace < 2) {
		4159	$_log_backtrace_last = $msg;
		4160	++$_log_backtrace;
		4161	my $perl_bt = Carp::longmess $msg;
		4162	async {
		4163	$Coro::current->{desc} = "abt $msg";
		4164
		4165	my @bt = fork_call {
		4166	@addr = map { sprintf "%x", $_ } @addr;
		4167	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4168	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4169	or die "addr2line: $!";
		4170
		4171	my @funcs;
		4172	my @res = <$fh>;
		4173	chomp for @res;
		4174	while (@res) {
		4175	my ($func, $line) = splice @res, 0, 2, ();
		4176	push @funcs, "[$func] $line";
		4177	}
		4178
		4179	@funcs
		4180	};
		4181
		4182	LOG llevInfo, "[ABT] $perl_bt\n";
		4183	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4184	LOG llevInfo, "[ABT] $_\n" for @bt;
		4185	--$_log_backtrace;
		4186	};
		4187	} else {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4190	}
		4191	}
		4192
		4193	# load additional modules
		4194	require "cf/$_.pm" for @EXTRA_MODULES;
		4195	cf::_connect_to_perl_2;
2463		4196
2464	END { cf::emergency_save }	4197	END { cf::emergency_save }
2465		4198
2466	1	4199	1
2467		4200

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