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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	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	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	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		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		187
88	#############################################################################	188	#############################################################################
89		189
90	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
91		191
…		…
98	=item $cf::RUNTIME	198	=item $cf::RUNTIME
99		199
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	201	every server tick.
102		202
103	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		206
105	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
107		211
108	=item $cf::NOW	212	=item $cf::NOW
109		213
110	The time of the last (current) server tick.	214	The time of the last (current) server tick.
111		215
112	=item $cf::TICK	216	=item $cf::TICK
113		217
114	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
115		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
116	=item %cf::CFG	230	=item %cf::CFG
117		231
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	233	from wherever your confdir points to.
120		234
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		236
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
127		257
128	=back	258	=back
129		259
130	=cut	260	=cut
131		261
132	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	269	my $msg = join "", @_;
135	utf8::encode $msg;
136		270
137	$msg .= "\n"	271	$msg .= "\n"
138	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
139		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
140	LOG llevError, $msg;	276	LOG llevWarn, $msg;
141	};	277	};
142	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
143		292
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		300
151	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	302	# within the Safe compartment.
153	for my $pkg (qw(	303	for my $pkg (qw(
154	cf::global cf::attachable	304	cf::global cf::attachable
155	cf::object cf::object::player	305	cf::object cf::object::player
156	cf::client cf::player	306	cf::client cf::player
157	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
158	cf::map cf::party cf::region	309	cf::party cf::region
159	)) {	310	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	312	}
163		313
164	$Event::DIED = sub {	314	$EV::DIED = sub {
165	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
166	};	316	};
		317
		318	#############################################################################
167		319
168	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
169		321
170	=over 4	322	=over 4
171		323
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	343	$d
192	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
193	}	345	}
194		346
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
198		348
199	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
200		350
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
209		352
210	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
211		354
212	=cut	355	=cut
213		356
214	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
216	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
217	}	403	}
218		404
219	=item cf::lock_wait $string	405	=item cf::lock_wait $string
220		406
221	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
222		408
223	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
224		410
225	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
228	returned.	414	returned.
229		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
230	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
232		421
233	=cut	422	=item $locked = cf::lock_active $string
234		423
235	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
236		429
237	sub lock_wait($) {	430	sub lock_wait($) {
238	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	432	}
246		433
247	sub lock_acquire($) {	434	sub lock_acquire($) {
248	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
249		437
250	# wait, to be sure we are not locked	438	sub lock_active($) {
251	lock_wait $key;	439	$LOCKS->count ($_[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	}	440	}
260		441
261	sub freeze_mainloop {	442	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
263		444
264	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	446	}
266	$WRITE_RUNTIME_WATCHER->start;	447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
267	};	512	}
268	$WRITE_RUNTIME_WATCHER->stop;	513	};
269	$TICK_WATCHER->stop;	514
270	$guard	515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
271	}	528	}
272		529
273	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
274		531
275	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		537
281	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
282		539
283	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
284		541
285	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
288		546
289	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
292	fast or be very important.	550	fast or be very important.
…		…
294	=cut	552	=cut
295		553
296	sub sync_job(&) {	554	sub sync_job(&) {
297	my ($job) = @_;	555	my ($job) = @_;
298		556
299	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
300	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
302		562
303	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	564
305	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
306		566
307	my $busy = 1;	567	my $busy = 1;
308	my @res;	568	my @res;
309		569
310	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	572	@res = eval { $job->() };
312	warn $@ if $@;	573	error $@ if $@;
313	undef $busy;	574	undef $busy;
314	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
315		576
316	while ($busy) {	577	while ($busy) {
317	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
318	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
319		588
320	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
321	} else {	590	} else {
322	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
323		592
…		…
343	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
344		613
345	$coro	614	$coro
346	}	615	}
347		616
348	sub write_runtime {	617	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		618
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
352	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
353		623
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		625
358	aio_fsync $fh	626	sub post_fork {
359	and return;	627	reset_signals;
		628	}
360		629
361	close $fh	630	sub fork_call(&@) {
362	or return;	631	my ($cb, @args) = @_;
363		632
364	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
365	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
366		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
367	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	821	}
369		822
370	=back	823	=back
371		824
372	=cut	825	=cut
373		826
374	#############################################################################	827	#############################################################################
375		828
376	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
377		830
378	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
381		834
382	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	837	Deliantra).
385		838
386	=over 4	839	=over 4
387		840
388	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
389		842
…		…
433	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
434		887
435	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
437		890
438	Some classes such as crossfire maps and objects can specify attachments	891	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.	892	that are attached at load/instantiate time, thus the need for a name.
440		893
441	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
442		895
443	=over 4	896	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	957	our @CB_MAP = ();
505		958
506	my %attachment;	959	my %attachment;
507		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
508	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
510		969
511	use sort 'stable';	970	use sort 'stable';
512		971
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
547		1006
548	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		1011
553	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
555		1014
556	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
561		1020
562	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
563	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
564		1023
565	} elsif (ref $type) {	1024	} elsif (ref $type) {
566	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
567		1026
568	} else {	1027	} else {
569	shift @arg;	1028	shift @arg;
570	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
571	}	1030	}
572	}	1031	}
573	}	1032	}
574		1033
575	sub _object_attach {	1034	sub _object_attach {
…		…
585	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
586	}	1045	}
587		1046
588	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
589	} else {	1048	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
591	}	1050	}
592		1051
593	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
594	}	1053	}
595		1054
…		…
597	if (ref $_[0]) {	1056	if (ref $_[0]) {
598	_object_attach @_;	1057	_object_attach @_;
599	} else {	1058	} else {
600	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
601	}	1060	}
		1061	_recalc_want;
602	};	1062	};
603		1063
604	# all those should be optimised	1064	# all those should be optimised
605	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
610	reattach ($obj);	1070	reattach ($obj);
611	} else {	1071	} else {
612	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
613	}	1073	}
		1074	_recalc_want;
614	};	1075	};
615		1076
616	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
618		1079
…		…
633	";	1094	";
634	die if $@;	1095	die if $@;
635	}	1096	}
636		1097
637	our $override;	1098	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1100
640	sub override {	1101	sub override {
641	$override = 1;	1102	$override = 1;
642	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
643	}	1104	}
644		1105
645	sub do_invoke {	1106	sub do_invoke {
646	my $event = shift;	1107	my $event = shift;
647	my $callbacks = shift;	1108	my $callbacks = shift;
648		1109
649	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
650		1111
651	local $override;	1112	local $override;
652		1113
653	for (@$callbacks) {	1114	for (@$callbacks) {
654	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
655		1116
656	if ($@) {	1117	if ($@) {
657	warn "$@";
658	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
659	override;	1119	override;
660	}	1120	}
661		1121
662	return 1 if $override;	1122	return 1 if $override;
663	}	1123	}
664		1124
665	0	1125	0
666	}	1126	}
667		1127
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1129
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1131
672	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
673		1133
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1137
678	=back	1138	=back
679		1139
680	=cut	1140	=cut
681		1141
682	#############################################################################	1142	#############################################################################
683	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
684		1186
685	sub reattach {	1187	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1189	my ($obj) = @_;
		1190
		1191	# no longer needed after getting rid of delete_package?
		1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1193
689	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
690		1195
691	@$registry = ();	1196	@$registry = ();
692		1197
…		…
697	for (@$attach) {	1202	for (@$attach) {
698	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
699	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
700	}	1205	}
701	} else {	1206	} else {
702	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
703	}	1208	}
704	}	1209	}
705	}	1210	}
706		1211
707	cf::attachable->attach (	1212	cf::attachable->attach (
708	prio => -1000000,	1213	prio => -1000000,
709	on_instantiate => sub {	1214	on_instantiate => sub {
710	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
711		1216
712	$data = from_json $data;	1217	$data = decode_json $data;
713		1218
714	for (@$data) {	1219	for (@$data) {
715	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
716		1221
717	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1238	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
735		1240
736	sync_job {	1241	sync_job {
737	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
740		1247
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
744	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
745	close $fh;	1255	aio_close $fh;
746		1256
747	if (@$objs) {	1257	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
752	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
753	close $fh;	1266	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
755	}	1268	}
756	} else {	1269	} else {
757	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
758	}	1271	}
759		1272
760	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
761	} else {	1277	} else {
762	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
763	}	1279	}
764	} else {	1280	} else {
765	aio_unlink $filename;	1281	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
767	}	1283	}
768	}	1284	};
769	}	1285	}
770		1286
771	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
773		1289
…		…
785	or return;	1301	or return;
786		1302
787	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
789	or return;	1305	or return;
		1306
790	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
791	}	1309	}
792		1310
		1311	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
795	return ($data, $av);	1316	($data, $av)
796	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
797		1324
798	#############################################################################	1325	#############################################################################
799	# command handling &c	1326	# command handling &c
800		1327
801	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1342	}
816		1343
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1345
819	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
820		1351
821	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
822	called.	1353	called.
823		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
824	=cut	1366	=cut
825		1367
826	sub register_extcmd {	1368	sub register_extcmd {
827	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
828		1370
829	$EXTCMD{$name} = $cb;	1371	$EXTCMD{$name} = $cb;
830	}	1372	}
831		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
		1381
832	cf::player->attach (	1382	cf::player->attach (
833	on_command => sub {	1383	on_unknown_command => sub {
834	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
835		1385
836	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
837	or return;	1387	or return;
838		1388
…		…
843	cf::override;	1393	cf::override;
844	},	1394	},
845	on_extcmd => sub {	1395	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
847		1397
848	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1399
850	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
856	} else {	1415	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1417	}
859		1418
860	cf::override;	1419	cf::override;
861	},	1420	},
862	);	1421	);
863		1422
		1423	# "readahead" all extensions
864	sub load_extension {	1424	sub cache_extensions {
865	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
866		1426
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
868	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
869	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}	1430	}
892	die $@;
893	}	1431	};
894		1432
895	push @EXTS, $pkg;	1433	$grp
896	}	1434	}
897		1435
898	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
899	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1443	next unless -r $path;
901	eval {	1444
902	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
903	1	1508	}
904	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
905	}	1519	};
906	}	1520	}
907		1521
908	#############################################################################	1522	#############################################################################
909		1523
		1524	=back
		1525
910	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
911		1527
912	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
913		1529
914	=cut	1530	=cut
915		1531
916	package cf::player;	1532	package cf::player;
917		1533
…		…
919		1535
920	=head3 cf::player	1536	=head3 cf::player
921		1537
922	=over 4	1538	=over 4
923		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
924	=item cf::player::find $login	1554	=item cf::player::find $login
925		1555
926	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
927		1557
928	=cut	1558	=cut
929		1559
930	sub playerdir($) {	1560	sub playerdir($) {
931	cf::localdir	1561	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1563	}
937		1564
938	sub path($) {	1565	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1567
941	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
942	}	1569	}
943		1570
944	sub find_active($) {	1571	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
949		1576
950	sub exists($) {	1577	sub exists($) {
951	my ($login) = @_;	1578	my ($login) = @_;
952		1579
953	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
955	}	1582	}
956		1583
957	sub find($) {	1584	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1586	my $login = $_[0];
960		1587
961	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
962		1589
963	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
965	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
967	}	1607	}
968	}	1608	}
969	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
970		1623
971	sub save($) {	1624	sub save($) {
972	my ($pl) = @_;	1625	my ($pl) = @_;
973		1626
974	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
979	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
980		1633
981	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
983		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
984	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
985	Coro::cede;	1643	cf::cede_to_tick;
986	}	1644	}
987		1645
988	sub new($) {	1646	sub new($) {
989	my ($login) = @_;	1647	my ($login) = @_;
990		1648
…		…
996	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
997		1655
998	$self	1656	$self
999	}	1657	}
1000		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1001	=item $pl->quit_character	1669	=item $pl->quit_character
1002		1670
1003	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1005		1673
1006	=cut	1674	=cut
1007		1675
1008	sub quit_character {	1676	sub quit_character {
1009	my ($pl) = @_;	1677	my ($pl) = @_;
1010		1678
		1679	my $name = $pl->ob->name;
		1680
1011	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1013		1683
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1015	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1017	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1018		1692
1019	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
1024	IO::AIO::aio_rmtree $temp;	1704	IO::AIO::aio_rmtree $temp;
		1705	}
		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
1025	}	1719	}
1026		1720
1027	=item cf::player::list_logins	1721	=item cf::player::list_logins
1028		1722
1029	Returns am arrayref of all valid playernames in the system, can take a	1723	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1724	while and may block, so not sync_job-capable, ever.
1031		1725
1032	=cut	1726	=cut
1033		1727
1034	sub list_logins {	1728	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1729	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1730	or return [];
1037		1731
1038	my @logins;	1732	my @logins;
1039		1733
1040	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1044		1744
1045	utf8::decode $login;	1745	utf8::decode $login;
1046	push @logins, $login;	1746	push @logins, $login;
1047	}	1747	}
1048		1748
1049	\@logins	1749	\@logins
1050	}	1750	}
1051		1751
1052	=item $player->maps	1752	=item $player->maps
1053		1753
		1754	=item cf::player::maps $login
		1755
1054	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1055	player. May block.	1757	player. May block.
1056		1758
1057	=cut	1759	=cut
1058		1760
1059	sub maps($) {	1761	sub maps($) {
1060	my ($pl) = @_;	1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1765
1062	my $files = aio_readdir playerdir $pl	1766	my $files = aio_readdir playerdir $pl
1063	or return;	1767	or return;
1064		1768
1065	my @paths;	1769	my @paths;
…		…
1067	for (@$files) {	1771	for (@$files) {
1068	utf8::decode $_;	1772	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1773	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1774	next unless /^$PATH_SEP/o;
1071		1775
1072	s/\.map$//;	1776	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1777	}
1075		1778
1076	\@paths	1779	\@paths
1077	}	1780	}
1078		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1080		1787
1081	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1082		1789
1083	=cut	1790	=cut
1084		1791
1085	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1087		1794
1088	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1796	}
1092		1797
1093	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1094		1840
1095	=back	1841	=back
1096
1097		1842
1098	=head3 cf::map	1843	=head3 cf::map
1099		1844
1100	=over 4	1845	=over 4
1101		1846
…		…
1105		1850
1106	use Fcntl;	1851	use Fcntl;
1107	use Coro::AIO;	1852	use Coro::AIO;
1108		1853
1109	use overload	1854	use overload
1110	'""' => \&as_string;	1855	'""' => \&as_string,
		1856	fallback => 1;
1111		1857
1112	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1114		1860
1115	sub generate_random_map {	1861	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
1117		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1118	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1867	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp,
		1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1123	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1124	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1125	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1126	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1127	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1128	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1877	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1879	(cf::region::find $rmp->{region})
1131	)	1880	)
1132	}	1881	}
1133		1882
		1883	=item cf::map->register ($regex, $prio)
		1884
		1885	Register a handler for the map path matching the given regex at the
		1886	givne priority (higher is better, built-in handlers have priority 0, the
		1887	default).
		1888
		1889	=cut
		1890
1134	sub register {	1891	sub register {
1135	my (undef, $regex) = @_;	1892	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1893	my $pkg = caller;
1137		1894
1138	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1895	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1896
1141	$EXT_MAP{$pkg} = qr<$regex>;	1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1898	}
1143		1899
1144	# also paths starting with '/'	1900	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1902
		1903	sub thawer_merge {
		1904	my ($self, $merge) = @_;
		1905
		1906	# we have to keep some variables in memory intact
		1907	local $self->{path};
		1908	local $self->{load_path};
		1909
		1910	$self->SUPER::thawer_merge ($merge);
		1911	}
1146		1912
1147	sub normalise {	1913	sub normalise {
1148	my ($path, $base) = @_;	1914	my ($path, $base) = @_;
		1915
		1916	$path = "$path"; # make sure it's a string
		1917
		1918	$path =~ s/\.map$//;
1149		1919
1150	# map plan:	1920	# map plan:
1151	#	1921	#
1152	# /! non-realised random map exit (special hack!)	1922	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1923	# {... are special paths that are not being touched
…		…
1166	$base =~ s{[^/]+/?$}{};	1936	$base =~ s{[^/]+/?$}{};
1167	$path = "$base/$path";	1937	$path = "$base/$path";
1168	}	1938	}
1169		1939
1170	for ($path) {	1940	for ($path) {
1171	redo if s{//}{/};
1172	redo if s{/\.?/}{/};	1941	redo if s{/\.?/}{/};
1173	redo if s{/[^/]+/\.\./}{/};	1942	redo if s{/[^/]+/\.\./}{/};
1174	}	1943	}
1175		1944
1176	$path	1945	$path
…		…
1181		1950
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1951	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1952
1184	$path = normalise $path, $base;	1953	$path = normalise $path, $base;
1185		1954
1186	for my $pkg (keys %EXT_MAP) {	1955	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1956	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1957	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1958	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1959	$self->init; # pass $1 etc.
1191	return $self;	1960	return $self;
1192	}	1961	}
1193	}	1962	}
1194		1963
1195	Carp::carp "unable to resolve path '$path'.";	1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
1196	()	1965	()
1197	}	1966	}
1198		1967
1199	sub init {	1968	sub init {
1200	my ($self) = @_;	1969	my ($self) = @_;
…		…
1215		1984
1216	# the original (read-only) location	1985	# the original (read-only) location
1217	sub load_path {	1986	sub load_path {
1218	my ($self) = @_;	1987	my ($self) = @_;
1219		1988
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1989	"$MAPDIR/$self->{path}.map"
1221	}	1990	}
1222		1991
1223	# the temporary/swap location	1992	# the temporary/swap location
1224	sub save_path {	1993	sub save_path {
1225	my ($self) = @_;	1994	my ($self) = @_;
1226		1995
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1997	"$TMPDIR/$path.map"
1229	}	1998	}
1230		1999
1231	# the unique path, undef == no special unique path	2000	# the unique path, undef == no special unique path
1232	sub uniq_path {	2001	sub uniq_path {
1233	my ($self) = @_;	2002	my ($self) = @_;
1234		2003
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2005	"$UNIQUEDIR/$path"
1237	}	2006	}
1238		2007
1239	# and all this just because we cannot iterate over	2008	sub decay_objects {
1240	# all maps in C++...
1241	sub change_all_map_light {
1242	my ($change) = @_;	2009	my ($self) = @_;
1243		2010
1244	$_->change_map_light ($change)	2011	return if $self->{deny_reset};
1245	for grep $_->outdoor, values %cf::MAP;	2012
		2013	$self->do_decay_objects;
1246	}	2014	}
1247		2015
1248	sub unlink_save {	2016	sub unlink_save {
1249	my ($self) = @_;	2017	my ($self) = @_;
1250		2018
1251	utf8::encode (my $save = $self->save_path);	2019	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	2021	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	2022	}
1255		2023
1256	sub load_header_from($) {	2024	sub load_header_from($) {
1257	my ($self, $path) = @_;	2025	my ($self, $path) = @_;
1258		2026
1259	utf8::encode $path;	2027	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1261	or return;	2029	or return;
1262		2030
1263	$self->_load_header ($path)	2031	$self->_load_header ($f)
1264	or return;	2032	or return;
1265		2033
		2034	local $MAP_LOADING{$self->{path}} = $self;
		2035	$f->resolve_delayed_derefs;
		2036
1266	$self->{load_path} = $path;	2037	$self->{load_path} = $path;
1267		2038
1268	1	2039	1
1269	}	2040	}
1270		2041
1271	sub load_orig {	2042	sub load_header_orig {
1272	my ($self) = @_;	2043	my ($self) = @_;
1273		2044
1274	$self->load_header_from ($self->load_path)	2045	$self->load_header_from ($self->load_path)
1275	}	2046	}
1276		2047
1277	sub load_temp {	2048	sub load_header_temp {
1278	my ($self) = @_;	2049	my ($self) = @_;
1279		2050
1280	$self->load_header_from ($self->save_path)	2051	$self->load_header_from ($self->save_path)
		2052	}
		2053
		2054	sub prepare_temp {
		2055	my ($self) = @_;
		2056
		2057	$self->last_access ((delete $self->{last_access})
		2058	|| $cf::RUNTIME); #d#
		2059	# safety
		2060	$self->{instantiate_time} = $cf::RUNTIME
		2061	if $self->{instantiate_time} > $cf::RUNTIME;
		2062	}
		2063
		2064	sub prepare_orig {
		2065	my ($self) = @_;
		2066
		2067	$self->{load_original} = 1;
		2068	$self->{instantiate_time} = $cf::RUNTIME;
		2069	$self->last_access ($cf::RUNTIME);
		2070	$self->instantiate;
1281	}	2071	}
1282		2072
1283	sub load_header {	2073	sub load_header {
1284	my ($self) = @_;	2074	my ($self) = @_;
1285		2075
1286	if ($self->load_temp) {	2076	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2077	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2078	} else {
1293	$self->load_orig	2079	$self->load_header_orig
1294	or return;	2080	or return;
1295		2081	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	2082	}
		2083
		2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
		2086
		2087	$self->default_region (cf::region::find_by_path $self->{path})
		2088	unless $self->default_region;
1301		2089
1302	1	2090	1
1303	}	2091	}
1304		2092
1305	sub find;	2093	sub find;
1306	sub find {	2094	sub find {
1307	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1308		2096
		2097	cf::cede_to_tick;
		2098
1309	$path = normalise $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1310		2100
		2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1312		2103
1313	$cf::MAP{$path} || do {	2104	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";
1315	my $map = new_from_path cf::map $path	2105	my $map = new_from_path cf::map $path
1316	or return;	2106	or return;
1317		2107
1318	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1319		2109
1320	$map->load_header	2110	$map->load_header
1321	or return;	2111	or return;
1322		2112
1323	if ($map->should_reset) {	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2114	# doing this can freeze the server in a sync job, obviously
		2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1324	$map->reset;	2118	$map->reset;
1325	undef $guard;
1326	$map = find $path	2119	return find $path;
1327	or return;
1328	}	2120	}
1329		2121
1330	$cf::MAP{$path} = $map	2122	$cf::MAP{$path} = $map
1331	}	2123	}
1332	}	2124	}
		2125
		2126	sub pre_load { }
		2127	#sub post_load { } # XS
1333		2128
1334	sub load {	2129	sub load {
1335	my ($self) = @_;	2130	my ($self) = @_;
1336		2131
		2132	local $self->{deny_reset} = 1; # loading can take a long time
		2133
1337	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2137	my $guard = cf::lock_acquire "map_data:$path";
1339		2138
		2139	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2141
1342	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1343		2143
1344	$self->alloc;	2144	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2145
		2146	$self->pre_load;
		2147	cf::cede_to_tick;
		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
		2151	$self->_load_objects ($f)
1346	or return;	2152	or return;
1347		2153
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1349	if delete $self->{load_original};	2155	if delete $self->{load_original};
1350		2156
1351	if (my $uniq = $self->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2158	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2161	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1356	}	2165	}
1357	}	2166	}
1358		2167
1359	Coro::cede;	2168	$f->resolve_delayed_derefs;
1360		2169
		2170	cf::cede_to_tick;
1361	# now do the right thing for maps	2171	# now do the right thing for maps
1362	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2174	unless $self->difficulty;
1372	Coro::cede;	2175	cf::cede_to_tick;
		2176
		2177	unless ($self->{deny_activate}) {
		2178	$self->decay_objects;
		2179	$self->fix_auto_apply;
		2180	$self->update_buttons;
		2181	cf::cede_to_tick;
1373	$self->activate;	2182	$self->activate;
1374	}	2183	}
1375		2184
		2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
		2187
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
1377	}	2189	}
1378		2190
		2191	$self->post_load;
		2192
		2193	1
		2194	}
		2195
		2196	# customize the map for a given player, i.e.
		2197	# return the _real_ map. used by e.g. per-player
		2198	# maps to change the path to ~playername/mappath
1379	sub customise_for {	2199	sub customise_for {
1380	my ($self, $ob) = @_;	2200	my ($self, $ob) = @_;
1381		2201
1382	return find "~" . $ob->name . "/" . $self->{path}	2202	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2203	if $self->per_player;
1384		2204
		2205	# return find "?party/" . $ob->name . "/" . $self->{path}
		2206	# if $self->per_party;
		2207
1385	$self	2208	$self
1386	}	2209	}
1387		2210
1388	# find and load all maps in the 3x3 area around a map	2211	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2212	sub load_neighbours {
1390	my ($map) = @_;	2213	my ($map) = @_;
1391		2214
1392	my @diag; # diagonal neighbours	2215	my @neigh; # diagonal neighbours
1393		2216
1394	for (0 .. 3) {	2217	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2218	my $neigh = $map->tile_path ($_)
1396	or next;	2219	or next;
1397	$neigh = find $neigh, $map	2220	$neigh = find $neigh, $map
1398	or next;	2221	or next;
1399	$neigh->load;	2222	$neigh->load;
1400		2223
		2224	# now find the diagonal neighbours
		2225	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2228	}
1404		2229
1405	for (@diag) {	2230	for (grep defined $_->[0], @neigh) {
		2231	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2232	my $neigh = find $path, $origin
1407	or next;	2233	or next;
1408	$neigh->load;	2234	$neigh->load;
1409	}	2235	}
1410	}	2236	}
1411		2237
1412	sub find_sync {	2238	sub find_sync {
1413	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1414		2240
1415	cf::sync_job { find $path, $origin }	2241	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2242	if $Coro::current == $Coro::main;
		2243
		2244	find $path, $origin
1416	}	2245	}
1417		2246
1418	sub do_load_sync {	2247	sub do_load_sync {
1419	my ($map) = @_;	2248	my ($map) = @_;
1420		2249
1421	cf::sync_job { $map->load };	2250	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2251	if $Coro::current == $Coro::main;
		2252
		2253	$map->load;
1422	}	2254	}
1423		2255
1424	our %MAP_PREFETCH;	2256	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2257	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2258
1438	sub find_async {	2259	sub find_async {
1439	my ($path, $origin) = @_;	2260	my ($path, $origin, $load) = @_;
1440		2261
1441	$path = normalise $path, $origin && $origin->{path};	2262	$path = normalise $path, $origin && $origin->{path};
1442		2263
1443	if (my $map = $cf::MAP{$path}) {	2264	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2266	}
		2267
		2268	$MAP_PREFETCH{$path} |= $load;
		2269
		2270	$MAP_PREFETCHER ||= cf::async {
		2271	$Coro::current->{desc} = "map prefetcher";
		2272
		2273	while (%MAP_PREFETCH) {
		2274	while (my ($k, $v) = each %MAP_PREFETCH) {
		2275	if (my $map = find $k) {
		2276	$map->load if $v;
		2277	}
		2278
		2279	delete $MAP_PREFETCH{$k};
		2280	}
		2281	}
		2282	undef $MAP_PREFETCHER;
1445	}	2283	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2284	$MAP_PREFETCHER->prio (6);
1449		2285
1450	()	2286	()
1451	}	2287	}
1452		2288
		2289	# common code, used by both ->save and ->swapout
1453	sub save {	2290	sub _save {
1454	my ($self) = @_;	2291	my ($self) = @_;
1455
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;
1457		2292
1458	$self->{last_save} = $cf::RUNTIME;	2293	$self->{last_save} = $cf::RUNTIME;
1459		2294
1460	return unless $self->dirty;	2295	return unless $self->dirty;
1461		2296
…		…
1467	return if $self->{deny_save};	2302	return if $self->{deny_save};
1468		2303
1469	local $self->{last_access} = $self->last_access;#d#	2304	local $self->{last_access} = $self->last_access;#d#
1470		2305
1471	cf::async {	2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2308	$_->contr->save for $self->players;
1473	};	2309	};
		2310
		2311	cf::get_slot 0.02;
1474		2312
1475	if ($uniq) {	2313	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2316	} else {
1479	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2317	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1480	}	2318	}
1481	}	2319	}
1482		2320
		2321	sub save {
		2322	my ($self) = @_;
		2323
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	$self->_save;
		2327	}
		2328
1483	sub swap_out {	2329	sub swap_out {
1484	my ($self) = @_;	2330	my ($self) = @_;
1485		2331
1486	# save first because save cedes
1487	$self->save;
1488
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
1491	return if $self->players;	2336	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};
1494		2337
		2338	# first deactivate the map and "unlink" it from the core
		2339	$self->deactivate;
		2340	$_->clear_links_to ($self) for values %cf::MAP;
		2341	$self->in_memory (cf::MAP_SWAPPED);
		2342
		2343	# then atomically save
		2344	$self->_save;
		2345
		2346	# then free the map
1495	$self->clear;	2347	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2348	}
1498		2349
1499	sub reset_at {	2350	sub reset_at {
1500	my ($self) = @_;	2351	my ($self) = @_;
1501		2352
1502	# TODO: safety, remove and allow resettable per-player maps	2353	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2354	return 1e99 if $self->{deny_reset};
1505		2355
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2356	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2357	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2358
…		…
1513	my ($self) = @_;	2363	my ($self) = @_;
1514		2364
1515	$self->reset_at <= $cf::RUNTIME	2365	$self->reset_at <= $cf::RUNTIME
1516	}	2366	}
1517		2367
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2368	sub reset {
1533	my ($self) = @_;	2369	my ($self) = @_;
1534		2370
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2372
1537	return if $self->players;	2373	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2374
1540	warn "resetting map ", $self->path;#d#	2375	cf::trace "resetting map ", $self->path, "\n";
		2376
		2377	$self->in_memory (cf::MAP_SWAPPED);
		2378
		2379	# need to save uniques path
		2380	unless ($self->{deny_save}) {
		2381	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2382
		2383	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2384	if $uniq;
		2385	}
1541		2386
1542	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
1543		2388
1544	$self->in_memory (cf::MAP_SWAPPED);	2389	$self->deactivate;
		2390	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2391	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2392
1549	$self->unlink_save;	2393	$self->unlink_save;
1550	$self->destroy;	2394	$self->destroy;
1551	}	2395	}
1552		2396
1553	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
1554		2398
1555	sub nuke {	2399	sub nuke {
1556	my ($self) = @_;	2400	my ($self) = @_;
1557		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
		2405	delete $cf::MAP{$self->path};
		2406
		2407	$self->unlink_save;
		2408
		2409	bless $self, "cf::map::wrap";
		2410	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2414
		2415	$cf::MAP{$self->path} = $self;
		2416	}
		2417
1561	$self->reset; # polite request, might not happen	2418	$self->reset; # polite request, might not happen
		2419	}
		2420
		2421	=item $maps = cf::map::tmp_maps
		2422
		2423	Returns an arrayref with all map paths of currently instantiated and saved
		2424	maps. May block.
		2425
		2426	=cut
		2427
		2428	sub tmp_maps() {
		2429	[
		2430	map {
		2431	utf8::decode $_;
		2432	/\.map$/
		2433	? normalise $_
		2434	: ()
		2435	} @{ aio_readdir $TMPDIR or [] }
		2436	]
		2437	}
		2438
		2439	=item $maps = cf::map::random_maps
		2440
		2441	Returns an arrayref with all map paths of currently instantiated and saved
		2442	random maps. May block.
		2443
		2444	=cut
		2445
		2446	sub random_maps() {
		2447	[
		2448	map {
		2449	utf8::decode $_;
		2450	/\.map$/
		2451	? normalise "?random/$_"
		2452	: ()
		2453	} @{ aio_readdir $RANDOMDIR or [] }
		2454	]
1562	}	2455	}
1563		2456
1564	=item cf::map::unique_maps	2457	=item cf::map::unique_maps
1565		2458
1566	Returns an arrayref of paths of all shared maps that have	2459	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2460	instantiated unique items. May block.
1568		2461
1569	=cut	2462	=cut
1570		2463
1571	sub unique_maps() {	2464	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2465	[
1573	or return;	2466	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2467	utf8::decode $_;
1579	next if /\.pst$/;	2468	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2470	? ()
		2471	: normalise $_
		2472	} @{ aio_readdir $UNIQUEDIR or [] }
		2473	]
		2474	}
1581		2475
		2476	=item cf::map::static_maps
		2477
		2478	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2479	file in the shared directory excluding F</styles> and F</editor>). May
		2480	block.
		2481
		2482	=cut
		2483
		2484	sub static_maps() {
		2485	my @dirs = "";
		2486	my @maps;
		2487
		2488	while (@dirs) {
		2489	my $dir = shift @dirs;
		2490
		2491	next if $dir eq "/styles" || $dir eq "/editor";
		2492
		2493	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2494	or return;
		2495
		2496	for (@$files) {
1582	s/\.map$//;	2497	s/\.map$// or next;
1583	push @paths, $_;	2498	utf8::decode $_;
1584	}	2499	push @maps, "$dir/$_";
		2500	}
1585		2501
1586	\@paths	2502	push @dirs, map "$dir/$_", @$dirs;
1587	}	2503	}
1588		2504
1589	package cf;	2505	\@maps
		2506	}
1590		2507
1591	=back	2508	=back
1592		2509
1593	=head3 cf::object	2510	=head3 cf::object
1594		2511
…		…
1598		2515
1599	=over 4	2516	=over 4
1600		2517
1601	=item $ob->inv_recursive	2518	=item $ob->inv_recursive
1602		2519
1603	Returns the inventory of the object _and_ their inventories, recursively.	2520	Returns the inventory of the object I<and> their inventories, recursively,
		2521	but I<not> the object itself.
1604		2522
1605	=cut	2523	=cut
1606		2524
1607	sub inv_recursive_;	2525	sub inv_recursive_;
1608	sub inv_recursive_ {	2526	sub inv_recursive_ {
…		…
1611		2529
1612	sub inv_recursive {	2530	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2531	inv_recursive_ inv $_[0]
1614	}	2532	}
1615		2533
		2534	=item $ref = $ob->ref
		2535
		2536	Creates and returns a persistent reference to an object that can be stored as a string.
		2537
		2538	=item $ob = cf::object::deref ($refstring)
		2539
		2540	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2541	even if the object actually exists. May block.
		2542
		2543	=cut
		2544
		2545	sub deref {
		2546	my ($ref) = @_;
		2547
		2548	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2549	my ($uuid, $name) = ($1, $2);
		2550	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2551	or return;
		2552	$pl->ob->uuid eq $uuid
		2553	or return;
		2554
		2555	$pl->ob
		2556	} else {
		2557	warn "$ref: cannot resolve object reference\n";
		2558	undef
		2559	}
		2560	}
		2561
1616	package cf;	2562	package cf;
1617		2563
1618	=back	2564	=back
1619		2565
1620	=head3 cf::object::player	2566	=head3 cf::object::player
…		…
1626	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2572	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627	can be C<undef>. Does the right thing when the player is currently in a	2573	can be C<undef>. Does the right thing when the player is currently in a
1628	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
1629		2575
1630	=cut	2576	=cut
		2577
		2578	our $SAY_CHANNEL = {
		2579	id => "say",
		2580	title => "Map",
		2581	reply => "say ",
		2582	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2583	};
		2584
		2585	our $CHAT_CHANNEL = {
		2586	id => "chat",
		2587	title => "Chat",
		2588	reply => "chat ",
		2589	tooltip => "Player chat and shouts, global to the server.",
		2590	};
1631		2591
1632	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2593	# with dialog boxes.
1634	#TODO: the first argument must go, split into a $npc->reply_to ( method	2594	#TODO: the first argument must go, split into a $npc->reply_to ( method
1635	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
1637		2597
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2598	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2599
1640	if ($self->{record_replies}) {	2600	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2601	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2602
1642	} else {	2603	} else {
		2604	my $pl = $self->contr;
		2605
		2606	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2607	my $dialog = $pl->{npc_dialog};
		2608	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2609
		2610	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2613	}
1645	}	2614	}
		2615	}
		2616
		2617	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	=cut
		2620
		2621	sub cf::object::send_msg {
		2622	my $pl = shift->contr
		2623	or return;
		2624	$pl->send_msg (@_);
1646	}	2625	}
1647		2626
1648	=item $player_object->may ("access")	2627	=item $player_object->may ("access")
1649		2628
1650	Returns wether the given player is authorized to access resource "access"	2629	Returns wether the given player is authorized to access resource "access"
…		…
1663		2642
1664	=item $player_object->enter_link	2643	=item $player_object->enter_link
1665		2644
1666	Freezes the player and moves him/her to a special map (C<{link}>).	2645	Freezes the player and moves him/her to a special map (C<{link}>).
1667		2646
1668	The player should be reasonably safe there for short amounts of time. You	2647	The player should be reasonably safe there for short amounts of time (e.g.
1669	I<MUST> call C<leave_link> as soon as possible, though.	2648	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2649	though, as the player cannot control the character while it is on the link
		2650	map.
1670		2651
1671	Will never block.	2652	Will never block.
1672		2653
1673	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
1674		2655
…		…
1682	=cut	2663	=cut
1683		2664
1684	sub link_map {	2665	sub link_map {
1685	unless ($LINK_MAP) {	2666	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2667	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2668	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2669	$LINK_MAP->load;
1689	}	2670	}
1690		2671
1691	$LINK_MAP	2672	$LINK_MAP
1692	}	2673	}
…		…
1694	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
1695	my ($self) = @_;	2676	my ($self) = @_;
1696		2677
1697	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
1698		2679
		2680	++$self->{_link_recursion};
		2681
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2683
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2685	if $self->map && $self->map->{path} ne "{link}";
1703		2686
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1705	}	2688	}
1706		2689
1707	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
		2692
		2693	return unless $self->contr->active;
1709		2694
1710	my $link_pos = delete $self->{_link_pos};	2695	my $link_pos = delete $self->{_link_pos};
1711		2696
1712	unless ($map) {	2697	unless ($map) {
1713	# restore original map position	2698	# restore original map position
…		…
1724	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
1725	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
1726		2711
1727	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
1730		2715
1731	$map->load;	2716	$map->load;
1732	$map->load_diag;	2717	$map->load_neighbours;
1733		2718
1734	return unless $self->contr->active;	2719	return unless $self->contr->active;
		2720
		2721	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2722	if ($self->enter_map ($map, $x, $y)) {
		2723	# entering was successful
		2724	delete $self->{_link_recursion};
		2725	# only activate afterwards, to support waiting in hooks
1735	$self->activate_recursive;	2726	$self->activate_recursive;
1736	$self->enter_map ($map, $x, $y);
1737	}
1738
1739	cf::player->attach (
1740	on_logout => sub {
1741	my ($pl) = @_;
1742
1743	# abort map switching before logout
1744	if ($pl->ob->{_link_pos}) {
1745	cf::sync_job {
1746	$pl->ob->leave_link
1747	};
1748	}
1749	},	2727	}
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2728
1753	# try to abort aborted map switching on player login :)	2729	}
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770		2730
1771	=item $player_object->goto ($path, $x, $y)	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1772		2732
		2733	Moves the player to the given map-path and coordinates by first freezing
		2734	her, loading and preparing them map, calling the provided $check callback
		2735	that has to return the map if sucecssful, and then unfreezes the player on
		2736	the new (success) or old (failed) map position. In either case, $done will
		2737	be called at the end of this process.
		2738
		2739	Note that $check will be called with a potentially non-loaded map, so if
		2740	it needs a loaded map it has to call C<< ->load >>.
		2741
1773	=cut	2742	=cut
		2743
		2744	our $GOTOGEN;
1774		2745
1775	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2747	my ($self, $path, $x, $y, $check, $done) = @_;
		2748
		2749	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2750	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2751	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2752	($path, $x, $y) = @$EMERGENCY_POSITION;
		2753	}
		2754
		2755	# do generation counting so two concurrent goto's will be executed in-order
		2756	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2757
1778	$self->enter_link;	2758	$self->enter_link;
1779		2759
1780	(async {	2760	(async {
1781	my $map = cf::map::find $path;	2761	$Coro::current->{desc} = "player::goto $path $x $y";
		2762
		2763	# *tag paths override both path and x|y
		2764	if ($path =~ /^\*(.*)$/) {
		2765	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2766	my $ob = $obs[rand @obs];
		2767
		2768	# see if we actually can go there
		2769	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2770	$ob = $obs[rand @obs];
		2771	} else {
		2772	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2773	}
		2774	# else put us there anyways for now #d#
		2775
		2776	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2777	} else {
		2778	($path, $x, $y) = (undef, undef, undef);
		2779	}
		2780	}
		2781
		2782	my $map = eval {
		2783	my $map = defined $path ? cf::map::find $path : undef;
		2784
		2785	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2786	$map = $map->customise_for ($self);
1783		2787	$map = $check->($map, $x, $y, $self) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2788	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2789	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2790	}
1788		2791
		2792	$map
		2793	};
		2794
		2795	if ($@) {
		2796	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2797	LOG llevError | logBacktrace, Carp::longmess $@;
		2798	}
		2799
		2800	if ($gen == $self->{_goto_generation}) {
		2801	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
		2803	}
		2804
		2805	$done->($self) if $done;
1790	})->prio (1);	2806	})->prio (1);
1791	}	2807	}
1792		2808
1793	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
1794		2810
…		…
1796		2812
1797	sub parse_random_map_params {	2813	sub parse_random_map_params {
1798	my ($spec) = @_;	2814	my ($spec) = @_;
1799		2815
1800	my $rmp = { # defaults	2816	my $rmp = { # defaults
1801	xsize => 10,	2817	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2818	ysize => (cf::rndm 15, 40),
		2819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2820	#layout => string,
1803	};	2821	};
1804		2822
1805	for (split /\n/, $spec) {	2823	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2824	my ($k, $v) = split /\s+/, $_, 2;
1807		2825
…		…
1819	# that depends on the exit object	2837	# that depends on the exit object
1820		2838
1821	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
1822		2840
1823	if ($exit->map) {	2841	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2842	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
1828	}	2848	}
1829		2849
1830	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
1831		2851
1832	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
		2854	my $meta = "$RANDOMDIR/$md5.meta";
1834		2855
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
		2858	undef $fh;
		2859	aio_rename "$meta~", $meta;
1837		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
1840	}	2867	}
1841	}	2868	}
1842		2869
1843	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
1847		2874
1848	$self->enter_link;	2875	$self->enter_link;
1849		2876
1850	(async {	2877	(async {
1851	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
1852	unless (eval {	2880	unless (eval {
		2881	$self->deactivate_recursive; # just to be sure
		2882
		2883	# random map handling
		2884	{
		2885	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2886
1853	prepare_random_map $exit	2887	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2888	if $exit->slaying eq "/!";
		2889	}
1855		2890
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2891	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2892	my $x = $exit->stats->hp;
		2893	my $y = $exit->stats->sp;
1858		2894
		2895	$self->goto ($map, $x, $y);
		2896
		2897	# if exit is damned, update players death & WoR home-position
		2898	$self->contr->savebed ($map, $x, $y)
		2899	if $exit->flag (cf::FLAG_DAMNED);
		2900
1859	1;	2901	1
1860	}) {	2902	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
1862	. "I'll try to bring you back to the map you were before. "	2904	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2905	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2907
1866	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
1867	$self->leave_link;	2909	$self->leave_link;
1868	}	2910	}
1869	})->prio (1);	2911	})->prio (1);
1870	}	2912	}
1871		2913
…		…
1882		2924
1883	sub cf::client::send_drawinfo {	2925	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2926	my ($self, $text, $flags) = @_;
1885		2927
1886	utf8::encode $text;	2928	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2930	}
1889		2931
		2932	=item $client->send_big_packet ($pkt)
		2933
		2934	Like C<send_packet>, but tries to compress large packets, and fragments
		2935	them as required.
		2936
		2937	=cut
		2938
		2939	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2940
		2941	sub cf::client::send_big_packet {
		2942	my ($self, $pkt) = @_;
		2943
		2944	# try lzf for large packets
		2945	$pkt = "lzf " . Compress::LZF::compress $pkt
		2946	if 1024 <= length $pkt and $self->{can_lzf};
		2947
		2948	# split very large packets
		2949	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2950	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2951	$pkt = "frag";
		2952	}
		2953
		2954	$self->send_packet ($pkt);
		2955	}
		2956
		2957	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2958
		2959	Send a drawinfo or msg packet to the client, formatting the msg for the
		2960	client if neccessary. C<$type> should be a string identifying the type of
		2961	the message, with C<log> being the default. If C<$color> is negative, suppress
		2962	the message unless the client supports the msg packet.
		2963
		2964	=cut
		2965
		2966	# non-persistent channels (usually the info channel)
		2967	our %CHANNEL = (
		2968	"c/motd" => {
		2969	id => "infobox",
		2970	title => "MOTD",
		2971	reply => undef,
		2972	tooltip => "The message of the day",
		2973	},
		2974	"c/identify" => {
		2975	id => "infobox",
		2976	title => "Identify",
		2977	reply => undef,
		2978	tooltip => "Items recently identified",
		2979	},
		2980	"c/examine" => {
		2981	id => "infobox",
		2982	title => "Examine",
		2983	reply => undef,
		2984	tooltip => "Signs and other items you examined",
		2985	},
		2986	"c/shopinfo" => {
		2987	id => "infobox",
		2988	title => "Shop Info",
		2989	reply => undef,
		2990	tooltip => "What your bargaining skill tells you about the shop",
		2991	},
		2992	"c/book" => {
		2993	id => "infobox",
		2994	title => "Book",
		2995	reply => undef,
		2996	tooltip => "The contents of a note or book",
		2997	},
		2998	"c/lookat" => {
		2999	id => "infobox",
		3000	title => "Look",
		3001	reply => undef,
		3002	tooltip => "What you saw there",
		3003	},
		3004	"c/who" => {
		3005	id => "infobox",
		3006	title => "Players",
		3007	reply => undef,
		3008	tooltip => "Shows players who are currently online",
		3009	},
		3010	"c/body" => {
		3011	id => "infobox",
		3012	title => "Body Parts",
		3013	reply => undef,
		3014	tooltip => "Shows which body parts you posess and are available",
		3015	},
		3016	"c/statistics" => {
		3017	id => "infobox",
		3018	title => "Statistics",
		3019	reply => undef,
		3020	tooltip => "Shows your primary statistics",
		3021	},
		3022	"c/skills" => {
		3023	id => "infobox",
		3024	title => "Skills",
		3025	reply => undef,
		3026	tooltip => "Shows your experience per skill and item power",
		3027	},
		3028	"c/shopitems" => {
		3029	id => "infobox",
		3030	title => "Shop Items",
		3031	reply => undef,
		3032	tooltip => "Shows the items currently for sale in this shop",
		3033	},
		3034	"c/resistances" => {
		3035	id => "infobox",
		3036	title => "Resistances",
		3037	reply => undef,
		3038	tooltip => "Shows your resistances",
		3039	},
		3040	"c/pets" => {
		3041	id => "infobox",
		3042	title => "Pets",
		3043	reply => undef,
		3044	tooltip => "Shows information abotu your pets/a specific pet",
		3045	},
		3046	"c/perceiveself" => {
		3047	id => "infobox",
		3048	title => "Perceive Self",
		3049	reply => undef,
		3050	tooltip => "You gained detailed knowledge about yourself",
		3051	},
		3052	"c/uptime" => {
		3053	id => "infobox",
		3054	title => "Uptime",
		3055	reply => undef,
		3056	tooltip => "How long the server has been running since last restart",
		3057	},
		3058	"c/mapinfo" => {
		3059	id => "infobox",
		3060	title => "Map Info",
		3061	reply => undef,
		3062	tooltip => "Information related to the maps",
		3063	},
		3064	"c/party" => {
		3065	id => "party",
		3066	title => "Party",
		3067	reply => "gsay ",
		3068	tooltip => "Messages and chat related to your party",
		3069	},
		3070	"c/death" => {
		3071	id => "death",
		3072	title => "Death",
		3073	reply => undef,
		3074	tooltip => "Reason for and more info about your most recent death",
		3075	},
		3076	"c/say" => $SAY_CHANNEL,
		3077	"c/chat" => $CHAT_CHANNEL,
		3078	);
		3079
		3080	sub cf::client::send_msg {
		3081	my ($self, $channel, $msg, $color, @extra) = @_;
		3082
		3083	$msg = $self->pl->expand_cfpod ($msg)
		3084	unless $color & cf::NDI_VERBATIM;
		3085
		3086	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3087
		3088	# check predefined channels, for the benefit of C
		3089	if ($CHANNEL{$channel}) {
		3090	$channel = $CHANNEL{$channel};
		3091
		3092	$self->ext_msg (channel_info => $channel);
		3093	$channel = $channel->{id};
		3094
		3095	} elsif (ref $channel) {
		3096	# send meta info to client, if not yet sent
		3097	unless (exists $self->{channel}{$channel->{id}}) {
		3098	$self->{channel}{$channel->{id}} = $channel;
		3099	$self->ext_msg (channel_info => $channel);
		3100	}
		3101
		3102	$channel = $channel->{id};
		3103	}
		3104
		3105	return unless @extra || length $msg;
		3106
		3107	# default colour, mask it out
		3108	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3109	if $color & cf::NDI_DEF;
		3110
		3111	my $pkt = "msg "
		3112	. $self->{json_coder}->encode (
		3113	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3114	);
		3115
		3116	$self->send_big_packet ($pkt);
		3117	}
		3118
		3119	=item $client->ext_msg ($type, @msg)
		3120
		3121	Sends an ext event to the client.
		3122
		3123	=cut
		3124
		3125	sub cf::client::ext_msg($$@) {
		3126	my ($self, $type, @msg) = @_;
		3127
		3128	if ($self->extcmd == 2) {
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3130	} elsif ($self->extcmd == 1) { # TODO: remove
		3131	push @msg, msgtype => "event_$type";
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3133	}
		3134	}
		3135
		3136	=item $client->ext_reply ($msgid, @msg)
		3137
		3138	Sends an ext reply to the client.
		3139
		3140	=cut
		3141
		3142	sub cf::client::ext_reply($$@) {
		3143	my ($self, $id, @msg) = @_;
		3144
		3145	if ($self->extcmd == 2) {
		3146	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3147	} elsif ($self->extcmd == 1) {
		3148	#TODO: version 1, remove
		3149	unshift @msg, msgtype => "reply", msgid => $id;
		3150	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3151	}
		3152	}
1890		3153
1891	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
1892		3155
1893	Queues a query to the client, calling the given callback with	3156	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3157	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3158	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		3159
1897	Queries can fail, so check the return code. Or don't, as queries will become	3160	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	3161	become reliable at some point in the future.
1899		3162
1900	=cut	3163	=cut
1901		3164
1902	sub cf::client::query {	3165	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	3166	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	3174	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3175	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		3176
1914	$self->send_packet ($self->{query_queue}[0][0])	3177	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	3178	if @{ $self->{query_queue} } == 1;
		3179
		3180	1
1916	}	3181	}
1917		3182
1918	cf::client->attach (	3183	cf::client->attach (
		3184	on_connect => sub {
		3185	my ($ns) = @_;
		3186
		3187	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3188	},
1919	on_reply => sub {	3189	on_reply => sub {
1920	my ($ns, $msg) = @_;	3190	my ($ns, $msg) = @_;
1921		3191
1922	# this weird shuffling is so that direct followup queries	3192	# this weird shuffling is so that direct followup queries
1923	# get handled first	3193	# get handled first
1924	my $queue = delete $ns->{query_queue}	3194	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3195	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3196
1927	(shift @$queue)->[1]->($msg);	3197	(shift @$queue)->[1]->($msg);
		3198	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3199
1929	push @{ $ns->{query_queue} }, @$queue;	3200	push @{ $ns->{query_queue} }, @$queue;
1930		3201
1931	if (@{ $ns->{query_queue} } == @$queue) {	3202	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3203	if (@$queue) {
…		…
1934	} else {	3205	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3206	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3207	}
1937	}	3208	}
1938	},	3209	},
		3210	on_exticmd => sub {
		3211	my ($ns, $buf) = @_;
		3212
		3213	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3214
		3215	if (ref $msg) {
		3216	my ($type, $reply, @payload) =
		3217	"ARRAY" eq ref $msg
		3218	? @$msg
		3219	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3220
		3221	my @reply;
		3222
		3223	if (my $cb = $EXTICMD{$type}) {
		3224	@reply = $cb->($ns, @payload);
		3225	}
		3226
		3227	$ns->ext_reply ($reply, @reply)
		3228	if $reply;
		3229
		3230	} else {
		3231	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3232	}
		3233
		3234	cf::override;
		3235	},
1939	);	3236	);
1940		3237
1941	=item $client->async (\&cb)	3238	=item $client->async (\&cb)
1942		3239
1943	Create a new coroutine, running the specified callback. The coroutine will	3240	Create a new coroutine, running the specified callback. The coroutine will
…		…
1959		3256
1960	$coro	3257	$coro
1961	}	3258	}
1962		3259
1963	cf::client->attach (	3260	cf::client->attach (
1964	on_destroy => sub {	3261	on_client_destroy => sub {
1965	my ($ns) = @_;	3262	my ($ns) = @_;
1966		3263
1967	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1968	},	3265	},
1969	);	3266	);
…		…
1984	our $safe = new Safe "safe";	3281	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
1986		3283
1987	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
1988		3285
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3286	$safe->permit_only (Opcode::opset qw(
		3287	:base_core :base_mem :base_orig :base_math :base_loop
		3288	grepstart grepwhile mapstart mapwhile
		3289	sort time
		3290	));
1990		3291
1991	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
1992		3293
1993	=pod	3294	=pod
1994		3295
1995	The following fucntions and emthods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
1996		3297
1997	cf::object contr pay_amount pay_player map	3298	cf::object
		3299	contr pay_amount pay_player map x y force_find force_add destroy
		3300	insert remove name archname title slaying race decrease split
		3301	value
		3302
1998	cf::object::player player	3303	cf::object::player
1999	cf::player peaceful	3304	player
2000	cf::map trigger	3305
		3306	cf::player
		3307	peaceful
		3308
		3309	cf::map
		3310	trigger
2001		3311
2002	=cut	3312	=cut
2003		3313
2004	for (	3314	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3315	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3316	insert remove inv nrof name archname title slaying race
		3317	decrease split destroy change_exp value msg lore send_msg)],
2006	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
2008	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
2009	) {	3321	) {
2010	no strict 'refs';
2011	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
2012	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2013	for @funs;	3324	for @funs;
2014	}	3325	}
2015		3326
…		…
2030		3341
2031	my $qcode = $code;	3342	my $qcode = $code;
2032	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2033	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
2034		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
2035	local $_;	3349	local $_;
2036	local @safe::cf::_safe_eval_args = values %vars;
2037		3350
2038	my $eval =	3351	my $eval =
2039	"do {\n"	3352	"do {\n"
2040	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2041	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
2042	. $code	3355	. $code
2043	. "\n}"	3356	. "\n}"
2044	;	3357	;
2045		3358
		3359	if ($CFG{safe_eval}) {
2046	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
2047	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2048	sub_generation_inc;	3363	sub_generation_inc;
		3364	} else {
		3365	local @cf::_safe_eval_args = values %vars;
		3366	@res = wantarray ? eval eval : scalar eval $eval;
		3367	}
2049		3368
2050	if ($@) {	3369	if ($@) {
2051	warn "$@";	3370	warn "$@",
2052	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
2053	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
2054	}	3373	}
2055		3374
2056	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
2057	}	3376	}
2058		3377
…		…
2072	=cut	3391	=cut
2073		3392
2074	sub register_script_function {	3393	sub register_script_function {
2075	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
2076		3395
2077	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
2078	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
2079	}	3398	}
2080		3399
2081	=back	3400	=back
2082		3401
2083	=cut	3402	=cut
2084		3403
2085	#############################################################################	3404	#############################################################################
		3405	# the server's init and main functions
2086		3406
2087	=head2 EXTENSION DATABASE SUPPORT	3407	sub load_facedata($) {
		3408	my ($path) = @_;
2088		3409
2089	Crossfire maintains a very simple database for extension use. It can	3410	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3411	# for this (global event?)
2091	excludes objects.	3412	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3413
2093	The parameter C<$family> should best start with the name of the extension	3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3415
2096	=over 4	3416	trace "loading facedata from $path\n";
2097		3417
2098	=item $hashref = cf::db_get $family	3418	0 < aio_load $path, my $facedata
		3419	or die "$path: $!";
2099		3420
2100	Return a hashref for use by the extension C<$family>, which can be	3421	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3422
2104	=item $value = cf::db_get $family => $key	3423	$facedata->{version} == 2
		3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3425
2106	Returns a single value from the database	3426	# patch in the exptable
2107		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2108	=item cf::db_put $family => $hashref	3428	$facedata->{resource}{"res/exp_table"} = {
2109		3429	type => FT_RSRC,
2110	Stores the given family hashref into the database. Updates are delayed, if	3430	data => $exp_table,
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3431	hash => (Digest::MD5::md5 $exp_table),
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3432	};
		3433	cf::cede_to_tick;
2159		3434
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3435	{
		3436	my $faces = $facedata->{faceinfo};
2164		3437
2165	sub db_get($;$) {	3438	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3440
2171	sub db_put($$;$) {	3441	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3442	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2174	} else {	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3445
2180	cf::global->attach (	3446	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3447	}
2185	);
2186	}
2187		3448
2188	#############################################################################	3449	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3450	next unless $info->{smooth};
2190		3451
2191	sub cfg_load {	3452	my $idx = cf::face::find $face
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3453	or next;
2193	or return;
2194		3454
2195	local $/;	3455	if (my $smooth = cf::face::find $info->{smooth}) {
2196	*CFG = YAML::Syck::Load <$fh>;	3456	cf::face::set_smooth $idx, $smooth;
		3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3458	} else {
		3459	error "smooth face '$info->{smooth}' not found for face '$face'";
		3460	}
2197		3461
		3462	cf::cede_to_tick;
		3463	}
		3464	}
		3465
		3466	{
		3467	my $anims = $facedata->{animinfo};
		3468
		3469	while (my ($anim, $info) = each %$anims) {
		3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3471	cf::cede_to_tick;
		3472	}
		3473
		3474	cf::anim::invalidate_all; # d'oh
		3475	}
		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
		3496	1
		3497	}
		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
		3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
		3522	load_resource_file "$MAPDIR/regions"
		3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
		3529	}
		3530
		3531	sub reload_facedata {
		3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$DATADIR/archetypes"
		3538	or die "unable to load archetypes\n";
		3539	}
		3540
		3541	sub reload_treasures {
		3542	load_resource_file "$DATADIR/treasures"
		3543	or die "unable to load treasurelists\n";
		3544	}
		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
		3569	sub reload_resources {
		3570	trace "reloading resource files...\n";
		3571
		3572	reload_exp_table;
		3573	reload_materials;
		3574	reload_facedata;
		3575	reload_sound;
		3576	reload_archetypes;
		3577	reload_regions;
		3578	reload_treasures;
		3579
		3580	trace "finished reloading resource files\n";
		3581	}
		3582
		3583	sub reload_config {
		3584	trace "reloading config file...\n";
		3585
		3586	0 < aio_load "$CONFDIR/config", my $config
		3587	or die "$CONFDIR/config: $!";
		3588
		3589	utf8::decode $config;
		3590	*CFG = yaml_load $config;
		3591
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2199		3593
2200	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3594	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3595	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2202		3596
2203	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
2207	};	3601	};
2208	warn $@ if $@;	3602	warn $@ if $@;
2209	}	3603	}
2210	}	3604	}
2211		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
		3632	}
		3633
2212	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2213	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3647	(async {
		3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
		3650	})->prio (Coro::PRIO_MAX);
2217	};	3651	};
2218		3652
2219	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
2220	db_load;	3654
		3655	cf::sync_job {
		3656	cf::incloader::init ();
		3657
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663
		3664	reload_resources;
		3665	reload_config;
		3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2221	load_extensions;	3676	load_extensions;
2222	Event::loop;	3677
		3678	utime time, time, $RUNTIMEFILE;
		3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	cf::_post_init 0;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2223	}	3696	}
2224		3697
2225	#############################################################################	3698	#############################################################################
2226	# initialisation and cleanup	3699	# initialisation and cleanup
2227		3700
2228	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2229	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2236	},
2237	);	3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
2238	}	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2239	}	3797	}
2240		3798
2241	sub emergency_save() {	3799	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2243		3801
2244	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2245		3808
2246	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2247	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2248	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2249	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2251	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3820	$pl->save;
2255	}	3821	}
2256	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2257		3823
2258	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2259	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2260	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3829	$map->valid or next;
2262	$map->save;	3830	$map->save;
2263	}	3831	}
2264	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2265	};	3862	};
2266		3863
2267	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2268	}	3865	}
2269		3866
		3867	sub post_cleanup {
		3868	my ($make_core) = @_;
		3869
		3870	IO::AIO::flush;
		3871
		3872	error Carp::longmess "post_cleanup backtrace"
		3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2270	sub reload() {	3904	sub do_reload_perl() {
2271	# can/must only be called in main	3905	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
2273	warn "can only reload from main coroutine\n";	3907	error "can only reload from main coroutine";
2274	return;	3908	return;
2275	}	3909	}
2276		3910
2277	warn "reloading...";	3911	return if $RELOAD++;
2278		3912
2279	warn "freezing server";	3913	my $t1 = AE::time;
2280	my $guard = freeze_mainloop;	3914
		3915	while ($RELOAD) {
		3916	cf::get_slot 0.1, -1, "reload_perl";
		3917	info "perl_reload: reloading...";
		3918
		3919	trace "perl_reload: entering sync_job";
		3920
		3921	cf::sync_job {
2281	cf::emergency_save;	3922	#cf::emergency_save;
2282		3923
2283	warn "sync database to disk";	3924	trace "perl_reload: cancelling all extension coros";
2284	cf::db_sync;
2285	IO::AIO::flush;
2286
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved
2289
2290	warn "cancel all watchers";
2291	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}
2294
2295	warn "cancel all extension coros";
2296	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3926	%EXT_CORO = ();
2298		3927
2299	warn "remove commands";	3928	trace "perl_reload: removing commands";
2300	%COMMAND = ();	3929	%COMMAND = ();
2301		3930
2302	warn "remove ext commands";	3931	trace "perl_reload: removing ext/exti commands";
2303	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2304		3934
2305	warn "unload/nuke all extensions";	3935	trace "perl_reload: unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2308		3938
2309	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3940	eval {
2311	$cb->($pkg);	3941	$cb->($pkg);
2312	1	3942	1
2313	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2314	}	3948	}
2315		3949
2316	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;
2318	}
2319
2320	warn "unload all perl modules loaded from $LIBDIR";	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3953
2324	warn "removing <$k>";	3954	trace "... unloading $k";
2325	delete $INC{$k};	3955	delete $INC{$k};
2326		3956
2327	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2329		3959
2330	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2331	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2332	}	3965	}
2333		3966
2334	Symbol::delete_package $k;
2335	}
2336
2337	warn "get rid of safe::, as good as possible";	3967	trace "perl_reload: getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3970
2341	warn "unload cf.pm \"a bit\"";	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2343		3974
2344	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3976	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2347		3978
2348	warn "reloading cf.pm";	3979	info "perl_reload: unload completed, starting to reload now";
		3980
		3981	trace "perl_reload: reloading cf.pm";
2349	require cf;	3982	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2351		3984
2352	warn "load config and database again";	3985	trace "perl_reload: loading config and database again";
2353	cf::cfg_load;	3986	cf::reload_config;
2354	cf::db_load;
2355		3987
2356	warn "load extensions";	3988	trace "perl_reload: loading extensions";
2357	cf::load_extensions;	3989	cf::load_extensions;
2358		3990
		3991	if ($REATTACH_ON_RELOAD) {
2359	warn "reattach attachments to objects/players";	3992	trace "perl_reload: reattaching attachments to objects/players";
2360	_global_reattach;	3993	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3994	trace "perl_reload: reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
		3996	trace "perl_reload: reattaching attachments to players";
		3997	reattach $_ for values %PLAYER;
		3998	}
		3999
		4000	cf::_post_init 1;
		4001
		4002	trace "perl_reload: leaving sync_job";
		4003
		4004	1
		4005	} or do {
		4006	error $@;
		4007	cf::cleanup "perl_reload: error, exiting.";
		4008	};
		4009
		4010	--$RELOAD;
		4011	}
		4012
		4013	$t1 = AE::time - $t1;
		4014	info "perl_reload: completed in ${t1}s\n";
		4015	};
		4016
		4017	our $RELOAD_WATCHER; # used only during reload
		4018
		4019	sub reload_perl() {
		4020	# doing reload synchronously and two reloads happen back-to-back,
		4021	# coro crashes during coro_state_free->destroy here.
		4022
		4023	$RELOAD_WATCHER ||= cf::async {
		4024	Coro::AIO::aio_wait cache_extensions;
		4025
		4026	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4027	do_reload_perl;
		4028	undef $RELOAD_WATCHER;
		4029	};
2363	};	4030	};
2364		4031	}
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370
2371	warn "reloaded";
2372	};
2373		4032
2374	register_command "reload" => sub {	4033	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
2376		4035
2377	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	4037	$who->message ("reloading server.");
		4038	async {
		4039	$Coro::current->{desc} = "perl_reload";
		4040	reload_perl;
		4041	};
2381	}	4042	}
2382	};	4043	};
2383		4044
2384	unshift @INC, $LIBDIR;	4045	#############################################################################
2385		4046
2386	$TICK_WATCHER = Event->timer (	4047	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		4048
		4049	our @WAIT_FOR_TICK;
		4050	our @WAIT_FOR_TICK_BEGIN;
		4051
		4052	sub wait_for_tick() {
		4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4054
		4055	my $signal = new Coro::Signal;
		4056	push @WAIT_FOR_TICK, $signal;
		4057	$signal->wait;
		4058	}
		4059
		4060	sub wait_for_tick_begin() {
		4061	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4062
		4063	my $signal = new Coro::Signal;
		4064	push @WAIT_FOR_TICK_BEGIN, $signal;
		4065	$signal->wait;
		4066	}
		4067
		4068	sub tick {
		4069	if ($Coro::current != $Coro::main) {
		4070	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4071	unless ++$bug_warning > 10;
		4072	return;
		4073	}
		4074
2394	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		4076
2398	$WAIT_FOR_TICK->broadcast;	4077	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2400		4078
2401	# if we are delayed by four ticks or more, skip them all	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4080	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2403		4081	Coro::async_pool {
2404	$TICK_WATCHER->at ($NEXT_TICK);	4082	$Coro::current->{desc} = "runtime saver";
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	4083	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	4084	or error "ERROR: unable to write runtime file: $!";
2427	})->();	4085	};
2428	},	4086	}
2429	);	4087
		4088	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4089	$sig->send;
		4090	}
		4091	while (my $sig = shift @WAIT_FOR_TICK) {
		4092	$sig->send;
		4093	}
		4094
		4095	$LOAD = ($NOW - $TICK_START) / $TICK;
		4096	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4097
		4098	if (0) {
		4099	if ($NEXT_TICK) {
		4100	my $jitter = $TICK_START - $NEXT_TICK;
		4101	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4102	debug "jitter $JITTER\n";#d#
		4103	}
		4104	}
		4105	}
		4106
		4107	{
		4108	# configure BDB
		4109
		4110	BDB::min_parallel 16;
		4111	BDB::max_poll_reqs $TICK * 0.1;
		4112	$AnyEvent::BDB::WATCHER->priority (1);
		4113
		4114	unless ($DB_ENV) {
		4115	$DB_ENV = BDB::db_env_create;
		4116	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4117	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4118	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4119	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4120	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4121
		4122	cf::sync_job {
		4123	eval {
		4124	BDB::db_env_open
		4125	$DB_ENV,
		4126	$BDBDIR,
		4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4129	0666;
		4130
		4131	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4132	};
		4133
		4134	cf::cleanup "db_env_open(db): $@" if $@;
		4135	};
		4136	}
		4137
		4138	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4139	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4140	};
		4141	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4142	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4143	};
		4144	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4145	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4146	};
		4147	}
		4148
		4149	{
		4150	# configure IO::AIO
		4151
		4152	IO::AIO::min_parallel 8;
		4153	IO::AIO::max_poll_time $TICK * 0.1;
		4154	undef $AnyEvent::AIO::WATCHER;
		4155	}
		4156
		4157	our $_log_backtrace;
		4158	our $_log_backtrace_last;
		4159
		4160	sub _log_backtrace {
		4161	my ($msg, @addr) = @_;
		4162
		4163	$msg =~ s/\n$//;
		4164
		4165	if ($_log_backtrace_last eq $msg) {
		4166	LOG llevInfo, "[ABT] $msg\n";
		4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4168	# limit the # of concurrent backtraces
		4169	} elsif ($_log_backtrace < 2) {
		4170	$_log_backtrace_last = $msg;
		4171	++$_log_backtrace;
		4172	my $perl_bt = Carp::longmess $msg;
		4173	async {
		4174	$Coro::current->{desc} = "abt $msg";
		4175
		4176	my @bt = fork_call {
		4177	@addr = map { sprintf "%x", $_ } @addr;
		4178	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4179	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4180	or die "addr2line: $!";
		4181
		4182	my @funcs;
		4183	my @res = <$fh>;
		4184	chomp for @res;
		4185	while (@res) {
		4186	my ($func, $line) = splice @res, 0, 2, ();
		4187	push @funcs, "[$func] $line";
		4188	}
		4189
		4190	@funcs
		4191	};
		4192
		4193	LOG llevInfo, "[ABT] $perl_bt\n";
		4194	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4195	LOG llevInfo, "[ABT] $_\n" for @bt;
		4196	--$_log_backtrace;
		4197	};
		4198	} else {
		4199	LOG llevInfo, "[ABT] $msg\n";
		4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4201	}
		4202	}
		4203
		4204	# load additional modules
		4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
2430		4207
2431	END { cf::emergency_save }	4208	END { cf::emergency_save }
2432		4209
2433	1	4210	1
2434		4211

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